IR Optics Cutting and Polishing Machine: The 2 Leverage Stations<\/title>\n<meta name=\"description\" content=\"IR optics cutting and polishing machine from Vimfun \u2014 closed-loop wire cutting paired with aspheric polishing on one ISO 10110 tolerance budget.\">\n<link rel=\"canonical\" href=\"https:\/\/www.opticalcutting.com\/ir-optics-cutting-and-polishing-machine\/\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Sora:wght@500;600;700;800&family=Mulish:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap\" rel=\"stylesheet\">\n<style>\n :root{\n --white:#ffffff; --bg:#F2F8FD; --bg-2:#D5E8F6;\n --ink:#14202C; --ink-soft:#4E5C72;\n --blue:#0274BE; --blue-dark:#015A93; --blue-deep:#013D66; --blue-tint:#E1F0FB;\n --line:#DCE7EF; --line-2:#B8DBEF;\n --sans:'Mulish',sans-serif; --disp:'Sora',sans-serif; --mono:'IBM Plex 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@media(prefers-reduced-motion:reduce){.rise{animation:none;opacity:1;transform:none}}\n .geo *{vector-effect:non-scaling-stroke}\n<\/style>\n<\/head>\n<body>\n\n\n<section class=\"hero\">\n <div class=\"wrap\">\n <div>\n <div class=\"model-line rise d1\">SOLUTION HUB \u00b7 CUT & POLISH \u2014 THE BOOKEND STATIONS<\/div>\n <h1 class=\"rise d2\">IR Optics Cutting and Polishing Machine<\/h1>\n <p class=\"lede rise d2\">Two stations carry most of the optical-quality weight on an IR optics line: the front (cutting) and the back (polishing). The <strong>IR optics cutting and polishing machine<\/strong> bookend setup from Vimfun pairs closed-loop wire cutting with aspheric polishing on one ISO 10110 tolerance budget \u2014 sized for retrofit installs and partial-line upgrades where the middle stations stay as they are.<\/p>\n <div class=\"chips rise d3\">\n <div class=\"chip\"><div class=\"v\">2<\/div><div class=\"l\">Stations<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">\u00d8 \u2264 300<small> mm<\/small><\/div><div class=\"l\">Polish capacity<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">~0.5<small> mm<\/small><\/div><div class=\"l\">Kerf<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">< 5<small> nm<\/small><\/div><div class=\"l\">Polish Ra<\/div><\/div>\n <\/div>\n <div class=\"hero-actions rise d4\">\n <a class=\"btn\" href=\"#quote\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\"><path d=\"M5 12h14M13 6l6 6-6 6\"\/><\/svg>Request a 2-station consultation<\/a>\n <a class=\"btn btn-ghost\" href=\"#matrix\">Browse the equipment<\/a>\n <\/div>\n <\/div>\n <div class=\"hero-visual rise d3\">\n <div class=\"vhead\"><span>FIG.01 \u2014 2-STATION HANDOFF<\/span><b>VIMFUN<\/b><\/div>\n <div class=\"vbody\">\n <svg class=\"geo\" viewBox=\"0 0 460 240\" width=\"100%\" role=\"img\" aria-label=\"IR optics cutting and polishing machine handoff diagram \u2014 closed-loop wire cutting station feeds polishing station through an ISO 10110 tolerance handoff covering kerf, edge chipping, and subsurface damage\">\n <defs><marker id=\"ar\" markerWidth=\"9\" markerHeight=\"9\" refX=\"6\" refY=\"4.2\" orient=\"auto\"><path d=\"M0 0 L9 4.2 L0 8.4 z\" fill=\"#0274BE\"\/><\/marker><\/defs>\n \n \n <circle cx=\"100\" cy=\"105\" r=\"55\" fill=\"#E1F0FB\" stroke=\"#015A93\" stroke-width=\"2\"\/>\n <text x=\"100\" y=\"100\" text-anchor=\"middle\" font-family=\"Sora,sans-serif\" font-weight=\"700\" font-size=\"18\" fill=\"#015A93\">CUT<\/text>\n <text x=\"100\" y=\"118\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#4E5C72\">closed-loop wire<\/text>\n \n <circle cx=\"360\" cy=\"105\" r=\"55\" fill=\"#0274BE\" stroke=\"#015A93\" stroke-width=\"2\"\/>\n <text x=\"360\" y=\"100\" text-anchor=\"middle\" font-family=\"Sora,sans-serif\" font-weight=\"700\" font-size=\"18\" fill=\"#fff\">POLISH<\/text>\n <text x=\"360\" y=\"118\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#E1F0FB\">aspheric \/ spherical<\/text>\n \n <path d=\"M158 105 L302 105\" fill=\"none\" stroke=\"#0274BE\" stroke-width=\"2\" marker-end=\"url(#ar)\"\/>\n <text x=\"230\" y=\"92\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#015A93\" font-weight=\"600\">tolerance handoff<\/text>\n \n <g font-family=\"IBM Plex Mono\" font-size=\"9.5\" fill=\"#015A93\">\n <text x=\"230\" y=\"135\" text-anchor=\"middle\">kerf 0.5 mm<\/text>\n <text x=\"230\" y=\"148\" text-anchor=\"middle\">edge chip < 0.1 mm<\/text>\n <text x=\"230\" y=\"161\" text-anchor=\"middle\">SSD < 30 \u00b5m<\/text>\n <\/g>\n \n <text x=\"230\" y=\"200\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#0274BE\" font-weight=\"600\">ISO 10110 \u2014 one budget across both stations<\/text>\n \n <rect x=\"38\" y=\"190\" width=\"14\" height=\"22\" fill=\"#D5E8F6\" stroke=\"#015A93\" stroke-width=\"1.2\"\/>\n <text x=\"45\" y=\"225\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"9\" fill=\"#4E5C72\">ingot<\/text>\n <path d=\"M408 195 Q418 188 428 195 L428 213 L408 213 Z\" fill=\"#B8DBEF\" stroke=\"#015A93\" stroke-width=\"1.2\"\/>\n <path d=\"M408 195 Q418 188 428 195\" fill=\"none\" stroke=\"#fff\" stroke-width=\"1.2\"\/>\n <text x=\"418\" y=\"225\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"9\" fill=\"#4E5C72\">finished optic<\/text>\n <\/svg>\n <\/div>\n <div class=\"vcap\">Middle stations (centering, grinding) often stay in place during a 2-station upgrade \u2014 the value is concentrated in the bookends.<\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">The Leverage<\/div>\n <h2>Why are cutting and polishing the leverage stations on an IR optics line?<\/h2>\n <p>Between the front cut and the back polish, an IR optics line adds optical quality, removes material, and burns labor. But not every station contributes equally \u2014 and the IR optics cutting and polishing machine pair is where the leverage concentrates.<\/p>\n <\/div>\n <div>\n <p>A typical Ge \/ ZnSe \/ Si lens line has five stations: cut \u2192 center \u2192 grind \u2192 polish \u2192 coat. Centering is a mechanical adjustment \u2014 it locates an existing geometry but doesn't change it. Grinding generates the spherical or aspheric form, but its tolerance budget is set by what cutting delivered upstream. Coating is a chemistry step that depends almost entirely on what polishing delivered. The two stations that **set quality at all five downstream points** are the cut at the front and the polish at the back.<\/p>\n <p>For shops considering an IR optics cutting and polishing machine upgrade, the leverage shows up in three ways. First, every micron of subsurface damage (SSD) left by the cut becomes a micron the polisher must remove \u2014 typically at 100\u00d7 the per-micron cost. Second, every 0.1 mm of edge chip from the cut becomes a centering allowance the operator has to compensate. Third, every nanometer of surface roughness left by the polisher determines whether the AR coating sticks for 6 months or 6 years. None of the middle stations have this kind of compounding effect.<\/p>\n <p>That's why a partial-line upgrade \u2014 replacing just the cut and polish stations while keeping existing centering and grinding equipment \u2014 often delivers ROI faster than a full-line replacement. You're swapping in the two stations whose quality cascades the furthest, on a line where the other stations were already adequate.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Mechanics<\/div><h2>How does a cut shape the polishing burden downstream?<\/h2><\/div>\n <div>\n <p>The handoff between cutting and polishing carries four numbers that move directly from one station's output spec to the other's input spec. Picking an IR optics cutting and polishing machine pair without understanding this handoff is how shops end up with cutters too fast for their polishers (or polishers too slow for their cut quality).<\/p>\n <ul class=\"clean\">\n <li><strong>Kerf width<\/strong> ~0.5 mm closed-loop wire vs 5\u201310 mm core drill. Smaller kerf = less material waste, smaller blanks, less for polishing to remove.<\/li>\n <li><strong>Edge chipping<\/strong> < 0.1 mm on a closed-loop wire vs 0.3\u20130.8 mm typical for core drill. Chips become centering allowance, which sets where polishing's reference axis lands.<\/li>\n <li><strong>Subsurface damage (SSD)<\/strong> 5\u201315 \u00b5m on a clean wire cut vs 30\u201380 \u00b5m on an ID saw. SSD is the polisher's minimum removal depth \u2014 every micron costs cycle time and tool wear.<\/li>\n <li><strong>Surface roughness from cut (Ra)<\/strong> 0.6\u20131.2 \u00b5m on closed-loop wire \u2014 fine enough to enter polishing directly, skipping rough lapping in some workflows.<\/li>\n <\/ul>\n <p>The cleanest cut leaves the smallest polishing burden. That's not a marketing claim \u2014 it's the same physics regardless of supplier. The benefit of buying both stations from one supplier is that the output spec of the cut station IS the input spec of the polish station, on one drawing per <a href=\"https:\/\/www.iso.org\/standard\/79655.html\" target=\"_blank\" rel=\"noopener noreferrer\">ISO 10110<\/a>, with no per-vendor translation. For material-specific behavior \u2014 Ge {111} cleavage, ZnSe {110} planes, sapphire's hardness \u2014 the parameter sets live in each station's setup.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">The Cutting Side<\/div>\n <h2>Three Vimfun cutting machines feed the polish station<\/h2>\n <p>Each cutting machine fits a different blank-geometry case. Pick by output shape, not by aspirational features.<\/p>\n <\/div>\n <div>\n <h3>SG40 \u2014 routine round wafer slicing<\/h3>\n <p>The <a href=\"https:\/\/www.opticalcutting.com\/sg-40-germanium-wafer-slicing-machine\/\">SG40 germanium wafer slicing machine<\/a> produces round wafers from a Ge or Si ingot at ~0.5 mm kerf, in single or mixed thicknesses per program. Highest-volume of the three cutting machines, and the natural feed for any round-lens polishing workflow. Output Ra 0.6\u20131.2 \u00b5m, SSD 5\u201315 \u00b5m \u2014 the cleanest input the polisher can expect.<\/p>\n <h3>SGR40 \u2014 rotary prism \/ polygon blanks<\/h3>\n <p>The <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-blank-cutting-machine\/\">SGR40 germanium lens blank cutting machine<\/a> adds a rotary worktable for indexed multi-shape cuts \u2014 hexagonal blanks, prism windows, polygon housing optics. Same kerf and edge quality as the SG40; the difference is geometry. Polishing on the output side handles flat or shallow-curve faces typical of housing windows.<\/p>\n <h3>SGI 40 \u2014 free-form contour blanks<\/h3>\n <p>The <a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">SGI 40 germanium ingot cutting wire saw<\/a> reads DXF files and cuts arbitrary closed contours \u2014 crescents, off-axis shapes, irregular thermal-imaging blanks. The polishing handoff here usually adds an aspheric polishing pass since these blanks often correspond to aspheric or off-axis surfaces.<\/p>\n <div class=\"note\"><div class=\"t\">Don't have a finished drawing yet?<\/div><p>Send your raw lens specification \u2014 material, aperture, surface type, target volume \u2014 and we'll come back with the recommended cutting machine plus matching polishing class. Most consultations clarify in 1\u20132 emails.<\/p><\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">The Polishing Side<\/div><h2>One spindle handles aspheric, spherical, and flat<\/h2><\/div>\n <div>\n <p>On the polishing end of an IR optics cutting and polishing machine pair, the Vimfun aspheric polisher handles workpieces up to \u00d8 300 mm. One spindle covers aspheric, spherical, and flat surfaces on convex and concave sides \u2014 no tool change required between surface types. Cycle time is about 3 minutes per face for spherical work, 2\u20133\u00d7 that for aspheric depending on departure from the best-fit sphere.<\/p>\n <ul class=\"clean\">\n <li><strong>Surface roughness<\/strong> Ra < 5 nm after final polish \u2014 fine enough for direct DLC or BBAR deposition<\/li>\n <li><strong>Form irregularity<\/strong> better than 1\u03bb at 633 nm reference (much looser than visible-spectrum optics)<\/li>\n <li><strong>Workpiece range<\/strong> \u00d8 \u2264 300 mm, suitable for small thermal-imaging optics through large defense primary optics<\/li>\n <li><strong>Material support<\/strong> Ge, ZnSe, ZnS, Si, sapphire, BK7, fused silica \u2014 material-specific pad and slurry chemistry per part<\/li>\n <\/ul>\n <p>The polishing station is currently available as part of the IR optics cutting and polishing machine build \u2014 it doesn't have a standalone product page yet. Specifications and configuration options are sent with the line proposal. For material chemistry detail on chalcogenide polishing specifically, see the <a href=\"https:\/\/www.opticalcutting.com\/g-250-znse-zns-optics-grinding-machine\/\">ZnSe \/ ZnS optics grinding machine<\/a> page, which covers the same chemistry constraints that flow into polishing.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section id=\"matrix\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Equipment matrix<\/div><h2>Vimfun IR optics cutting and polishing machine options \u2014 at a glance<\/h2><\/div>\n <div>\n <p>Three cutting machines plus the polisher. Cutting machines have product pages; the polisher ships as part of the cut + polish line build.<\/p>\n <table class=\"tbl matrix\">\n <thead><tr><th>Machine<\/th><th>Station<\/th><th>Range<\/th><th>Why it pairs into cut + polish<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/sg-40-germanium-wafer-slicing-machine\/\">SG40<\/a><\/td>\n <td>Cut \u2014 round wafer slicing<\/td>\n <td>\u00d8 \u2264 200 mm ingots<\/td>\n <td>Highest-volume input to the polisher; clean Ra 0.6\u20131.2 \u00b5m<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-blank-cutting-machine\/\">SGR40<\/a><\/td>\n <td>Cut \u2014 rotary multi-shape<\/td>\n <td>\u00d8 \u2264 200 mm ingots<\/td>\n <td>Prism \/ polygon housing blanks for flat-face polish<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">SGI 40<\/a><\/td>\n <td>Cut \u2014 DXF free-form<\/td>\n <td>\u00d8 \u2264 185 \u00d7 L 400 mm<\/td>\n <td>Off-axis \/ crescent blanks for aspheric polish<\/td>\n <\/tr>\n <tr>\n <td>Aspheric polisher<\/td>\n <td>Polish \u2014 asph \/ sph \/ flat<\/td>\n <td>\u00d8 \u2264 300 mm<\/td>\n <td>Ra < 5 nm, form < 1\u03bb@633 nm \u2014 one spindle (line build)<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p>For the broader equipment context \u2014 centering, grinding, AR coating \u2014 see the <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-manufacturing-equipment\/\">germanium lens manufacturing equipment<\/a> hub (5-stage full-line view) or the broader <a href=\"https:\/\/www.opticalcutting.com\/infrared-optics-manufacturing-equipment\/\">infrared optics manufacturing equipment<\/a> catalog.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Decision Guide<\/div>\n <h2>Which Vimfun setup fits your cut-polish scenario?<\/h2>\n <p>Three partial-upgrade scenarios cover most cut + polish line consultations. Find yours below.<\/p>\n <\/div>\n <div>\n <h3>Scenario A \u2014 Aging cutter, polisher still acceptable<\/h3>\n <p>You're keeping your existing polishing line and replacing only the cutting station. Most common reason: switching from a core drill or ID saw to closed-loop wire for material savings on Ge. Setup: one of the three Vimfun cutting machines (per your blank geometry) plus a tolerance-handoff review against your existing polisher's input spec. Lead time: 8\u201310 weeks for the cutter, no polisher-side disruption.<\/p>\n <h3>Scenario B \u2014 New 2-station bookend installation<\/h3>\n <p>Building or significantly modernizing a line and want both cut + polish from one supplier. Setup: cutting machine choice per geometry + aspheric polisher + one ISO 10110 drawing flow connecting them. Lead time: 12\u201314 weeks for the full pair. The advantage over piecemeal procurement is that the cut output spec IS the polish input spec \u2014 no integration debugging at commissioning.<\/p>\n <h3>Scenario C \u2014 Capacity expansion (add cells)<\/h3>\n <p>You already have one cutter + one polisher running and need to add a second cell to handle volume growth. Setup: identical or upgraded versions of your existing machines, with cells running in parallel. Lead time: 8\u201310 weeks per cell. Often paired with a parallel centering \/ grinding capacity adjustment.<\/p>\n <div class=\"note\"><div class=\"t\">Don't see your scenario?<\/div><p>Defense qualifications, multi-material lines, and aspheric-only production all have their own configurations. Send your project profile via the <a href=\"#quote\">consultation request<\/a>.<\/p><\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Tolerance integration<\/div><h2>What goes wrong when cut and polish aren't on the same tolerance budget?<\/h2><\/div>\n <div>\n <p>The most common failure mode in multi-vendor IR optics cutting and polishing machine procurement is the spec gap at handoff. Vendor A sells the cutter and lists \"edge chipping < 0.3 mm\" on its datasheet. Vendor B sells the polisher and assumes \"centering allowance < 0.15 mm\" as its input. Both look reasonable on paper. In production, the polisher's centering routine fights the cutter's actual edge chip distribution, and shop-floor yield drops 10\u201320% on lenses near the centering allowance limit.<\/p>\n <p>The single-supplier path eliminates this. Vimfun's cut + polish drawing flow uses one ISO 10110 specification per finished part \u2014 surface form, decenter, edge chipping, subsurface damage, surface roughness all live in one tolerance document. Each station verifies the incoming spec at handoff (not at final inspection), and the polisher's removal allowance is sized against the cutter's measured (not advertised) output.<\/p>\n <p>For shops running multi-material lines \u2014 Ge for thermal imaging, ZnSe for CO\u2082 laser optics \u2014 this matters even more. Material-specific tolerance flow (chip-allowance differences between Ge {111} and ZnSe {110} cleavage planes, for instance) is one of the routine spec-sheet gotchas that single-supplier procurement removes.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Where Two-Station Upgrades Ship<\/div>\n <h2>Where two-station IR optics upgrades end up in production<\/h2>\n <p>Four production patterns where buying just the cut + polish pair (and keeping the middle stations as-is) makes the cleanest economic case.<\/p>\n <\/div>\n <figure style=\"margin:0 0 28px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg-2);box-shadow:0 18px 50px -30px rgba(1,90,147,.4)\">\n <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/grinding-and-centering-.jpg\" alt=\"Large-aperture IR optics spherical grinding and chamfering in progress \u2014 the middle stations preserved during an IR optics cutting and polishing machine bookend upgrade on a Vimfun line\" width=\"1600\" height=\"900\" loading=\"lazy\" onerror=\"this.style.display='none';this.nextElementSibling.style.display='flex'\" style=\"display:block;width:100%;height:auto;background:var(--bg-2)\" title=\"Vimfun glass cutting equipment is a perfect machine tool for precision cutting\">\n <div style=\"display:none;aspect-ratio:16\/9;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:linear-gradient(135deg,var(--blue-tint),var(--bg));color:var(--blue-deep);padding:24px;text-align:center\">\n <svg width=\"56\" height=\"56\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"opacity:.7\" aria-hidden=\"true\">\n <rect x=\"3\" y=\"3\" width=\"18\" height=\"18\" rx=\"2\"\/>\n <circle cx=\"8.5\" cy=\"8.5\" r=\"1.5\"\/>\n <path d=\"M21 15l-5-5L5 21\"\/>\n <\/svg>\n <div style=\"font-family:var(--mono);font-size:13px;font-weight:600;line-height:1.55;letter-spacing:.02em;max-width:520px\">\n Image placeholder \u2014 cut + polish bookend setup photo<br>\n <span style=\"font-weight:400;color:var(--ink-soft);font-size:11.5px;letter-spacing:.04em\">Upload to <code>\/wp-content\/uploads\/\u2026<\/code> and replace the <code>src<\/code> URL above.<\/span>\n <\/div>\n <\/div>\n <figcaption style=\"font-family:var(--mono);font-size:11.5px;color:var(--ink-soft);padding:11px 16px;border-top:1px solid var(--line);background:var(--white)\">Large-aperture IR optics in spherical grinding and chamfering \u2014 the middle stations that stay in place during a cut + polish bookend upgrade. Only the front cutter and back polisher get replaced.<\/figcaption>\n <\/figure>\n <div class=\"feat-grid\">\n <div class=\"feat\">\n <div class=\"num\">1<\/div>\n <h3>Aging Ge thermal-imaging line modernization<\/h3>\n <p>Existing centering and grinding equipment works fine; the cutter is 10+ years old and bleeds Ge to wide kerf. Replacing just the cutter + polisher recovers 20\u201335% of material yield and tightens AR-coating consistency.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">2<\/div>\n <h3>Hybrid Ge + chalcogenide line addition<\/h3>\n <p>You're adding ZnSe \/ ZnS handling to an existing Ge line. The current cutter and polisher were tuned for Ge only. Cut + polish replacement covers both materials with parameter-set switching, no second line.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">3<\/div>\n <h3>High-volume thermal-imaging capacity expansion<\/h3>\n <p>Demand outgrew the existing cell. Add a second SG40 + polisher pair to double cell capacity without touching the centering \/ grinding side, which usually has more headroom than the bookends.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">4<\/div>\n <h3>Defense optics qualification cycles<\/h3>\n <p>A new program demands tighter coating durability than the existing polisher's Ra spec supports. Polisher upgrade alone (paired with a matching cutter upgrade for tolerance flow) covers it without re-qualifying the rest of the line.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Partial-line economics<\/div><h2>What does a cutting + polishing upgrade actually cost?<\/h2><\/div>\n <div>\n <p>IR optics cutting and polishing machine economics differ from full-line economics in two ways: lower up-front CapEx, but faster payback because you're replacing the highest-leverage stations first. Per-machine list pricing for the cutting side runs $31K\u2013$39K for the SG \/ SGR \/ SGI 40 platform; the polisher ships with the cut + polish line package and is priced against your specific configuration (workpiece range, aspheric requirements, monthly volume).<\/p>\n <p>On the material-savings side, a kerf reduction from 5\u201310 mm core drill to 0.5 mm closed-loop wire saves <span class=\"hl\">$200\u2013$600 of germanium per 200 mm ingot<\/span>, depending on diameter. At 50 ingots\/month, that's $10K\u2013$30K of Ge kept every month \u2014 by itself enough to retire the cutter CapEx in 8\u201314 months without counting polishing or downstream gains.<\/p>\n <p>On the polishing side, the savings come from cycle time and yield, not material. A polisher that takes 5 minutes per face on adequate input might take 8 minutes on degraded cut input. Across 1,000 lenses\/month, that 3-minute delta is 50 hours of polisher labor per month \u2014 directly visible on the OpEx ledger. Combined cut + polish payback typically runs 10\u201314 months at mid-tier thermal-imaging volume; faster at automotive ADAS volume, slower at defense low-volume work where the case is more about quality compression than throughput.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Trust signals<\/div>\n <h2>Who already runs Vimfun cut + polish setups<\/h2>\n <p>Reference customers across thermal imaging, infrared sensor manufacturing, and defense optics programs. Selected names below; full reference list on request.<\/p>\n <\/div>\n <div>\n <p>The largest installed cutting footprint is at <a href=\"https:\/\/www.sunnyoptical.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sunny Optical Technology Group (HKSE 2382)<\/a> \u2014 30+ Vimfun cutting machines covering free-form contour, routine slicing, and rod extraction, primarily feeding their thermal-imaging lens lines. Polishing is handled in-house at Sunny, but several smaller Asia-Pacific IR optics customers run combined Vimfun cut + polish setups as their primary lens-line bookends.<\/p>\n <div class=\"trust-grid\">\n <div class=\"trust-tag\">Sunny Optical \u00b7 cutting (30+ units)<\/div>\n <div class=\"trust-tag\">IR optics shops (APAC)<\/div>\n <div class=\"trust-tag\">Edmund Optics<\/div>\n <div class=\"trust-tag\">Coherent<\/div>\n <div class=\"trust-tag\">Defense customers (NDA)<\/div>\n <div class=\"trust-tag\">Tecnisco Advanced Materials<\/div>\n <\/div>\n <p>Defense and aerospace cut + polish customers operate under NDA and become accessible once your project profile is shared. For the broader <a href=\"https:\/\/www.opticalcutting.com\/infrared-optics-manufacturing-equipment\/\">infrared optics manufacturing equipment<\/a> platform \u2014 including centering, grinding, and AR coating \u2014 see the main hub.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">FAQ<\/div>\n <h2>What buyers ask before adding cutting + polishing to an existing line<\/h2>\n <p>The questions that come up most often in IR optics cutting and polishing machine consultations. If yours isn't here, send it directly.<\/p>\n <\/div>\n <div class=\"faq\">\n <div class=\"faq-item\">\n <h3>Can we use a Vimfun cutter with our existing polishing line?<\/h3>\n <p>Yes \u2014 Vimfun cutters ship as standalone machines with documented output specs (kerf, edge chipping, SSD, Ra). If your existing polisher's input spec falls inside those numbers, the integration is clean. We run a quick spec compatibility check during the consultation and flag any handoff gaps before quoting.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What if our existing polisher has tighter tolerances than the cut output?<\/h3>\n <p>Two paths. Either tighten the cut spec by adjusting wire diameter and parameters (often achievable inside Vimfun cutter's standard range), or add a light grinding \/ lapping intermediate step. The consultation will recommend the lower-cost path for your specific tolerance gap.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Is the polishing machine sold as a standalone product?<\/h3>\n <p>Currently the aspheric polisher ships as part of the IR optics cutting and polishing machine line build, not as a standalone product. A standalone polisher product page is under development. Specifications are sent with line proposals; ask in the consultation for a polisher-specific spec sheet.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What materials does the cut + polish combo handle beyond germanium?<\/h3>\n <p>ZnSe, ZnS, silicon, sapphire, BK7, and fused silica \u2014 each gets a parameter-set switch (cutting wire grade, polishing pad and slurry chemistry). Hybrid lines that produce both Ge and chalcogenide optics on the same equipment run common \u2014 see the <a href=\"https:\/\/www.opticalcutting.com\/g-250-znse-zns-optics-grinding-machine\/\">G-250 ZnSe \/ ZnS grinding machine<\/a> page for chalcogenide-specific process detail.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>How does polishing differ for germanium vs ZnSe vs sapphire?<\/h3>\n <p>Each material has its own pad \/ slurry combination, dwell time, and final Ra target. Germanium polishes faster than ZnSe (Mohs ~4 vs ~4.5) but ZnSe is softer chemistry \u2014 different slurry pH. Sapphire is hardest (Mohs 9) and slowest, needing diamond slurry. The polisher hardware is common; the recipes differ.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What's the lead time for a cut + polish only install?<\/h3>\n <p>12\u201314 weeks for the full pair, 4\u20136 weeks on-site for commissioning and operator training. Replacing just the cutter (Scenario A above) ships in 8\u201310 weeks. For defense or aerospace timelines with qualification testing, add 6\u201312 weeks.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Do we need a centering machine between cut and polish?<\/h3>\n <p>For lens production, yes \u2014 centering establishes the optical-axis reference the polisher needs. If you're keeping your existing centering machine in a partial upgrade, the Vimfun cutter's edge-chipping spec is sized to fit standard centering allowances. If you're building new and want the centering machine too, the broader <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-manufacturing-equipment\/\">germanium lens manufacturing equipment<\/a> hub covers the full-line option.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Can the cut go directly to polish, skipping grinding?<\/h3>\n <p>For some flat optics (windows, filters), yes \u2014 if the cut leaves Ra and SSD inside the polisher's removal budget, intermediate grinding can be skipped. For curved optics (lenses), grinding stays in the workflow because the polisher operates on a pre-generated spherical or aspheric form, not on a flat cut face. Ask in the consultation for your specific part type.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"mainEntity\": [\n {\n \"@type\": \"Question\",\n \"name\": \"Can we use a Vimfun cutter with our existing polishing line?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Yes. Vimfun cutters ship as standalone machines with documented output specs for kerf, edge chipping, SSD, and Ra. If your existing polisher input spec falls inside those numbers, integration is clean. A spec compatibility check runs during the consultation.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What if our existing polisher has tighter tolerances than the cut output?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Two paths: tighten the cut spec by adjusting wire diameter and parameters within the Vimfun cutter standard range, or add a light grinding intermediate step. The consultation recommends the lower-cost path for your specific tolerance gap.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Is the polishing machine sold as a standalone product?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Currently the aspheric polisher ships as part of the cutting and polishing line build, not as a standalone product. A standalone polisher product page is under development. Specifications come with line proposals.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What materials does the cut + polish combo handle beyond germanium?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"ZnSe, ZnS, silicon, sapphire, BK7, and fused silica. Each material gets a parameter-set switch \u2014 cutting wire grade, polishing pad and slurry chemistry. Hybrid Ge plus chalcogenide lines on the same equipment are common.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"How does polishing differ for germanium vs ZnSe vs sapphire?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Each material has its own pad and slurry combination, dwell time, and final Ra target. Germanium polishes faster than ZnSe. ZnSe is softer chemistry with different slurry pH. Sapphire is hardest and slowest, needing diamond slurry.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What is the lead time for a cut + polish only install?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"12-14 weeks for the full pair plus 4-6 weeks on-site for commissioning and operator training. Replacing just the cutter ships in 8-10 weeks. Defense or aerospace timelines with qualification testing add 6-12 weeks.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Do we need a centering machine between cut and polish?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"For lens production yes \u2014 centering establishes the optical-axis reference the polisher needs. In partial upgrades, the Vimfun cutter edge-chipping spec is sized to fit standard centering allowances. The full-line option is in the germanium lens manufacturing equipment hub.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Can the cut go directly to polish, skipping grinding?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"For some flat optics like windows and filters yes, if the cut leaves Ra and SSD inside the polisher removal budget. For curved optics like lenses, grinding stays because the polisher operates on a pre-generated spherical or aspheric form, not a flat cut face.\"}\n }\n ]\n}\n<\/script>\n\n\n<section class=\"cta\" id=\"quote\">\n <div class=\"wrap\">\n <div class=\"cta-inner\">\n <div>\n <div class=\"eyebrow\">Next step<\/div>\n <h2>Talk through your IR optics cut-polish line with an engineer<\/h2>\n <p>Send us your lens drawing and your current line configuration. We'll come back with a 2-station upgrade proposal that fits your existing centering \/ grinding equipment and your target volume \u2014 typically within one business day.<\/p>\n <\/div>\n <div class=\"cta-actions\">\n <a class=\"btn\" href=\"mailto:daria@endlesswiresaw.com?subject=IR%20optics%20cutting%20and%20polishing%20machine%20\u2014%20line%20consultation%20request\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\"><path d=\"M5 12h14M13 6l6 6-6 6\"\/><\/svg>Request a 2-station consultation<\/a>\n <a class=\"btn btn-ghost\" href=\"#matrix\">Browse the equipment again<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n<\/body>\n<\/html>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>IR Optics Cutting and Polishing Machine: The 2 Leverage Stations SOLUTION HUB \u00b7 CUT & POLISH \u2014 THE BOOKEND STATIONS IR Optics Cutting and Polishing Machine Two stations carry most of the optical-quality weight on an IR optics line: the front (cutting) and the back (polishing). The IR optics cutting and polishing machine bookend setup […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-4904","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages\/4904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/comments?post=4904"}],"version-history":[{"count":0,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages\/4904\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/media?parent=4904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

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\n\t\t\t\t\t\n\n\n\n\nIR Optics Cutting and Polishing Machine: The 2 Leverage Stations<\/title>\n<meta name=\"description\" content=\"IR optics cutting and polishing machine from Vimfun \u2014 closed-loop wire cutting paired with aspheric polishing on one ISO 10110 tolerance budget.\">\n<link rel=\"canonical\" href=\"https:\/\/www.opticalcutting.com\/ir-optics-cutting-and-polishing-machine\/\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Sora:wght@500;600;700;800&family=Mulish:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap\" rel=\"stylesheet\">\n<style>\n :root{\n --white:#ffffff; --bg:#F2F8FD; --bg-2:#D5E8F6;\n --ink:#14202C; --ink-soft:#4E5C72;\n --blue:#0274BE; --blue-dark:#015A93; --blue-deep:#013D66; --blue-tint:#E1F0FB;\n --line:#DCE7EF; --line-2:#B8DBEF;\n --sans:'Mulish',sans-serif; 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@media(prefers-reduced-motion:reduce){.rise{animation:none;opacity:1;transform:none}}\n .geo *{vector-effect:non-scaling-stroke}\n<\/style>\n<\/head>\n<body>\n\n\n<section class=\"hero\">\n <div class=\"wrap\">\n <div>\n <div class=\"model-line rise d1\">SOLUTION HUB \u00b7 CUT & POLISH \u2014 THE BOOKEND STATIONS<\/div>\n <h1 class=\"rise d2\">IR Optics Cutting and Polishing Machine<\/h1>\n <p class=\"lede rise d2\">Two stations carry most of the optical-quality weight on an IR optics line: the front (cutting) and the back (polishing). The <strong>IR optics cutting and polishing machine<\/strong> bookend setup from Vimfun pairs closed-loop wire cutting with aspheric polishing on one ISO 10110 tolerance budget \u2014 sized for retrofit installs and partial-line upgrades where the middle stations stay as they are.<\/p>\n <div class=\"chips rise d3\">\n <div class=\"chip\"><div class=\"v\">2<\/div><div class=\"l\">Stations<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">\u00d8 \u2264 300<small> mm<\/small><\/div><div class=\"l\">Polish capacity<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">~0.5<small> mm<\/small><\/div><div class=\"l\">Kerf<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">< 5<small> nm<\/small><\/div><div class=\"l\">Polish Ra<\/div><\/div>\n <\/div>\n <div class=\"hero-actions rise d4\">\n <a class=\"btn\" href=\"#quote\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\"><path d=\"M5 12h14M13 6l6 6-6 6\"\/><\/svg>Request a 2-station consultation<\/a>\n <a class=\"btn btn-ghost\" href=\"#matrix\">Browse the equipment<\/a>\n <\/div>\n <\/div>\n <div class=\"hero-visual rise d3\">\n <div class=\"vhead\"><span>FIG.01 \u2014 2-STATION HANDOFF<\/span><b>VIMFUN<\/b><\/div>\n <div class=\"vbody\">\n <svg class=\"geo\" viewBox=\"0 0 460 240\" width=\"100%\" role=\"img\" aria-label=\"IR optics cutting and polishing machine handoff diagram \u2014 closed-loop wire cutting station feeds polishing station through an ISO 10110 tolerance handoff covering kerf, edge chipping, and subsurface damage\">\n <defs><marker id=\"ar\" markerWidth=\"9\" markerHeight=\"9\" refX=\"6\" refY=\"4.2\" orient=\"auto\"><path d=\"M0 0 L9 4.2 L0 8.4 z\" fill=\"#0274BE\"\/><\/marker><\/defs>\n \n \n <circle cx=\"100\" cy=\"105\" r=\"55\" fill=\"#E1F0FB\" stroke=\"#015A93\" stroke-width=\"2\"\/>\n <text x=\"100\" y=\"100\" text-anchor=\"middle\" font-family=\"Sora,sans-serif\" font-weight=\"700\" font-size=\"18\" fill=\"#015A93\">CUT<\/text>\n <text x=\"100\" y=\"118\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#4E5C72\">closed-loop wire<\/text>\n \n <circle cx=\"360\" cy=\"105\" r=\"55\" fill=\"#0274BE\" stroke=\"#015A93\" stroke-width=\"2\"\/>\n <text x=\"360\" y=\"100\" text-anchor=\"middle\" font-family=\"Sora,sans-serif\" font-weight=\"700\" font-size=\"18\" fill=\"#fff\">POLISH<\/text>\n <text x=\"360\" y=\"118\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#E1F0FB\">aspheric \/ spherical<\/text>\n \n <path d=\"M158 105 L302 105\" fill=\"none\" stroke=\"#0274BE\" stroke-width=\"2\" marker-end=\"url(#ar)\"\/>\n <text x=\"230\" y=\"92\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#015A93\" font-weight=\"600\">tolerance handoff<\/text>\n \n <g font-family=\"IBM Plex Mono\" font-size=\"9.5\" fill=\"#015A93\">\n <text x=\"230\" y=\"135\" text-anchor=\"middle\">kerf 0.5 mm<\/text>\n <text x=\"230\" y=\"148\" text-anchor=\"middle\">edge chip < 0.1 mm<\/text>\n <text x=\"230\" y=\"161\" text-anchor=\"middle\">SSD < 30 \u00b5m<\/text>\n <\/g>\n \n <text x=\"230\" y=\"200\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#0274BE\" font-weight=\"600\">ISO 10110 \u2014 one budget across both stations<\/text>\n \n <rect x=\"38\" y=\"190\" width=\"14\" height=\"22\" fill=\"#D5E8F6\" stroke=\"#015A93\" stroke-width=\"1.2\"\/>\n <text x=\"45\" y=\"225\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"9\" fill=\"#4E5C72\">ingot<\/text>\n <path d=\"M408 195 Q418 188 428 195 L428 213 L408 213 Z\" fill=\"#B8DBEF\" stroke=\"#015A93\" stroke-width=\"1.2\"\/>\n <path d=\"M408 195 Q418 188 428 195\" fill=\"none\" stroke=\"#fff\" stroke-width=\"1.2\"\/>\n <text x=\"418\" y=\"225\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"9\" fill=\"#4E5C72\">finished optic<\/text>\n <\/svg>\n <\/div>\n <div class=\"vcap\">Middle stations (centering, grinding) often stay in place during a 2-station upgrade \u2014 the value is concentrated in the bookends.<\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">The Leverage<\/div>\n <h2>Why are cutting and polishing the leverage stations on an IR optics line?<\/h2>\n <p>Between the front cut and the back polish, an IR optics line adds optical quality, removes material, and burns labor. But not every station contributes equally \u2014 and the IR optics cutting and polishing machine pair is where the leverage concentrates.<\/p>\n <\/div>\n <div>\n <p>A typical Ge \/ ZnSe \/ Si lens line has five stations: cut \u2192 center \u2192 grind \u2192 polish \u2192 coat. Centering is a mechanical adjustment \u2014 it locates an existing geometry but doesn't change it. Grinding generates the spherical or aspheric form, but its tolerance budget is set by what cutting delivered upstream. Coating is a chemistry step that depends almost entirely on what polishing delivered. The two stations that **set quality at all five downstream points** are the cut at the front and the polish at the back.<\/p>\n <p>For shops considering an IR optics cutting and polishing machine upgrade, the leverage shows up in three ways. First, every micron of subsurface damage (SSD) left by the cut becomes a micron the polisher must remove \u2014 typically at 100\u00d7 the per-micron cost. Second, every 0.1 mm of edge chip from the cut becomes a centering allowance the operator has to compensate. Third, every nanometer of surface roughness left by the polisher determines whether the AR coating sticks for 6 months or 6 years. None of the middle stations have this kind of compounding effect.<\/p>\n <p>That's why a partial-line upgrade \u2014 replacing just the cut and polish stations while keeping existing centering and grinding equipment \u2014 often delivers ROI faster than a full-line replacement. You're swapping in the two stations whose quality cascades the furthest, on a line where the other stations were already adequate.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Mechanics<\/div><h2>How does a cut shape the polishing burden downstream?<\/h2><\/div>\n <div>\n <p>The handoff between cutting and polishing carries four numbers that move directly from one station's output spec to the other's input spec. Picking an IR optics cutting and polishing machine pair without understanding this handoff is how shops end up with cutters too fast for their polishers (or polishers too slow for their cut quality).<\/p>\n <ul class=\"clean\">\n <li><strong>Kerf width<\/strong> ~0.5 mm closed-loop wire vs 5\u201310 mm core drill. Smaller kerf = less material waste, smaller blanks, less for polishing to remove.<\/li>\n <li><strong>Edge chipping<\/strong> < 0.1 mm on a closed-loop wire vs 0.3\u20130.8 mm typical for core drill. Chips become centering allowance, which sets where polishing's reference axis lands.<\/li>\n <li><strong>Subsurface damage (SSD)<\/strong> 5\u201315 \u00b5m on a clean wire cut vs 30\u201380 \u00b5m on an ID saw. SSD is the polisher's minimum removal depth \u2014 every micron costs cycle time and tool wear.<\/li>\n <li><strong>Surface roughness from cut (Ra)<\/strong> 0.6\u20131.2 \u00b5m on closed-loop wire \u2014 fine enough to enter polishing directly, skipping rough lapping in some workflows.<\/li>\n <\/ul>\n <p>The cleanest cut leaves the smallest polishing burden. That's not a marketing claim \u2014 it's the same physics regardless of supplier. The benefit of buying both stations from one supplier is that the output spec of the cut station IS the input spec of the polish station, on one drawing per <a href=\"https:\/\/www.iso.org\/standard\/79655.html\" target=\"_blank\" rel=\"noopener noreferrer\">ISO 10110<\/a>, with no per-vendor translation. For material-specific behavior \u2014 Ge {111} cleavage, ZnSe {110} planes, sapphire's hardness \u2014 the parameter sets live in each station's setup.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">The Cutting Side<\/div>\n <h2>Three Vimfun cutting machines feed the polish station<\/h2>\n <p>Each cutting machine fits a different blank-geometry case. Pick by output shape, not by aspirational features.<\/p>\n <\/div>\n <div>\n <h3>SG40 \u2014 routine round wafer slicing<\/h3>\n <p>The <a href=\"https:\/\/www.opticalcutting.com\/sg-40-germanium-wafer-slicing-machine\/\">SG40 germanium wafer slicing machine<\/a> produces round wafers from a Ge or Si ingot at ~0.5 mm kerf, in single or mixed thicknesses per program. Highest-volume of the three cutting machines, and the natural feed for any round-lens polishing workflow. Output Ra 0.6\u20131.2 \u00b5m, SSD 5\u201315 \u00b5m \u2014 the cleanest input the polisher can expect.<\/p>\n <h3>SGR40 \u2014 rotary prism \/ polygon blanks<\/h3>\n <p>The <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-blank-cutting-machine\/\">SGR40 germanium lens blank cutting machine<\/a> adds a rotary worktable for indexed multi-shape cuts \u2014 hexagonal blanks, prism windows, polygon housing optics. Same kerf and edge quality as the SG40; the difference is geometry. Polishing on the output side handles flat or shallow-curve faces typical of housing windows.<\/p>\n <h3>SGI 40 \u2014 free-form contour blanks<\/h3>\n <p>The <a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">SGI 40 germanium ingot cutting wire saw<\/a> reads DXF files and cuts arbitrary closed contours \u2014 crescents, off-axis shapes, irregular thermal-imaging blanks. The polishing handoff here usually adds an aspheric polishing pass since these blanks often correspond to aspheric or off-axis surfaces.<\/p>\n <div class=\"note\"><div class=\"t\">Don't have a finished drawing yet?<\/div><p>Send your raw lens specification \u2014 material, aperture, surface type, target volume \u2014 and we'll come back with the recommended cutting machine plus matching polishing class. Most consultations clarify in 1\u20132 emails.<\/p><\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">The Polishing Side<\/div><h2>One spindle handles aspheric, spherical, and flat<\/h2><\/div>\n <div>\n <p>On the polishing end of an IR optics cutting and polishing machine pair, the Vimfun aspheric polisher handles workpieces up to \u00d8 300 mm. One spindle covers aspheric, spherical, and flat surfaces on convex and concave sides \u2014 no tool change required between surface types. Cycle time is about 3 minutes per face for spherical work, 2\u20133\u00d7 that for aspheric depending on departure from the best-fit sphere.<\/p>\n <ul class=\"clean\">\n <li><strong>Surface roughness<\/strong> Ra < 5 nm after final polish \u2014 fine enough for direct DLC or BBAR deposition<\/li>\n <li><strong>Form irregularity<\/strong> better than 1\u03bb at 633 nm reference (much looser than visible-spectrum optics)<\/li>\n <li><strong>Workpiece range<\/strong> \u00d8 \u2264 300 mm, suitable for small thermal-imaging optics through large defense primary optics<\/li>\n <li><strong>Material support<\/strong> Ge, ZnSe, ZnS, Si, sapphire, BK7, fused silica \u2014 material-specific pad and slurry chemistry per part<\/li>\n <\/ul>\n <p>The polishing station is currently available as part of the IR optics cutting and polishing machine build \u2014 it doesn't have a standalone product page yet. Specifications and configuration options are sent with the line proposal. For material chemistry detail on chalcogenide polishing specifically, see the <a href=\"https:\/\/www.opticalcutting.com\/g-250-znse-zns-optics-grinding-machine\/\">ZnSe \/ ZnS optics grinding machine<\/a> page, which covers the same chemistry constraints that flow into polishing.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section id=\"matrix\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Equipment matrix<\/div><h2>Vimfun IR optics cutting and polishing machine options \u2014 at a glance<\/h2><\/div>\n <div>\n <p>Three cutting machines plus the polisher. Cutting machines have product pages; the polisher ships as part of the cut + polish line build.<\/p>\n <table class=\"tbl matrix\">\n <thead><tr><th>Machine<\/th><th>Station<\/th><th>Range<\/th><th>Why it pairs into cut + polish<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/sg-40-germanium-wafer-slicing-machine\/\">SG40<\/a><\/td>\n <td>Cut \u2014 round wafer slicing<\/td>\n <td>\u00d8 \u2264 200 mm ingots<\/td>\n <td>Highest-volume input to the polisher; clean Ra 0.6\u20131.2 \u00b5m<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-blank-cutting-machine\/\">SGR40<\/a><\/td>\n <td>Cut \u2014 rotary multi-shape<\/td>\n <td>\u00d8 \u2264 200 mm ingots<\/td>\n <td>Prism \/ polygon housing blanks for flat-face polish<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">SGI 40<\/a><\/td>\n <td>Cut \u2014 DXF free-form<\/td>\n <td>\u00d8 \u2264 185 \u00d7 L 400 mm<\/td>\n <td>Off-axis \/ crescent blanks for aspheric polish<\/td>\n <\/tr>\n <tr>\n <td>Aspheric polisher<\/td>\n <td>Polish \u2014 asph \/ sph \/ flat<\/td>\n <td>\u00d8 \u2264 300 mm<\/td>\n <td>Ra < 5 nm, form < 1\u03bb@633 nm \u2014 one spindle (line build)<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <p>For the broader equipment context \u2014 centering, grinding, AR coating \u2014 see the <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-manufacturing-equipment\/\">germanium lens manufacturing equipment<\/a> hub (5-stage full-line view) or the broader <a href=\"https:\/\/www.opticalcutting.com\/infrared-optics-manufacturing-equipment\/\">infrared optics manufacturing equipment<\/a> catalog.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Decision Guide<\/div>\n <h2>Which Vimfun setup fits your cut-polish scenario?<\/h2>\n <p>Three partial-upgrade scenarios cover most cut + polish line consultations. Find yours below.<\/p>\n <\/div>\n <div>\n <h3>Scenario A \u2014 Aging cutter, polisher still acceptable<\/h3>\n <p>You're keeping your existing polishing line and replacing only the cutting station. Most common reason: switching from a core drill or ID saw to closed-loop wire for material savings on Ge. Setup: one of the three Vimfun cutting machines (per your blank geometry) plus a tolerance-handoff review against your existing polisher's input spec. Lead time: 8\u201310 weeks for the cutter, no polisher-side disruption.<\/p>\n <h3>Scenario B \u2014 New 2-station bookend installation<\/h3>\n <p>Building or significantly modernizing a line and want both cut + polish from one supplier. Setup: cutting machine choice per geometry + aspheric polisher + one ISO 10110 drawing flow connecting them. Lead time: 12\u201314 weeks for the full pair. The advantage over piecemeal procurement is that the cut output spec IS the polish input spec \u2014 no integration debugging at commissioning.<\/p>\n <h3>Scenario C \u2014 Capacity expansion (add cells)<\/h3>\n <p>You already have one cutter + one polisher running and need to add a second cell to handle volume growth. Setup: identical or upgraded versions of your existing machines, with cells running in parallel. Lead time: 8\u201310 weeks per cell. Often paired with a parallel centering \/ grinding capacity adjustment.<\/p>\n <div class=\"note\"><div class=\"t\">Don't see your scenario?<\/div><p>Defense qualifications, multi-material lines, and aspheric-only production all have their own configurations. Send your project profile via the <a href=\"#quote\">consultation request<\/a>.<\/p><\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Tolerance integration<\/div><h2>What goes wrong when cut and polish aren't on the same tolerance budget?<\/h2><\/div>\n <div>\n <p>The most common failure mode in multi-vendor IR optics cutting and polishing machine procurement is the spec gap at handoff. Vendor A sells the cutter and lists \"edge chipping < 0.3 mm\" on its datasheet. Vendor B sells the polisher and assumes \"centering allowance < 0.15 mm\" as its input. Both look reasonable on paper. In production, the polisher's centering routine fights the cutter's actual edge chip distribution, and shop-floor yield drops 10\u201320% on lenses near the centering allowance limit.<\/p>\n <p>The single-supplier path eliminates this. Vimfun's cut + polish drawing flow uses one ISO 10110 specification per finished part \u2014 surface form, decenter, edge chipping, subsurface damage, surface roughness all live in one tolerance document. Each station verifies the incoming spec at handoff (not at final inspection), and the polisher's removal allowance is sized against the cutter's measured (not advertised) output.<\/p>\n <p>For shops running multi-material lines \u2014 Ge for thermal imaging, ZnSe for CO\u2082 laser optics \u2014 this matters even more. Material-specific tolerance flow (chip-allowance differences between Ge {111} and ZnSe {110} cleavage planes, for instance) is one of the routine spec-sheet gotchas that single-supplier procurement removes.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Where Two-Station Upgrades Ship<\/div>\n <h2>Where two-station IR optics upgrades end up in production<\/h2>\n <p>Four production patterns where buying just the cut + polish pair (and keeping the middle stations as-is) makes the cleanest economic case.<\/p>\n <\/div>\n <figure style=\"margin:0 0 28px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg-2);box-shadow:0 18px 50px -30px rgba(1,90,147,.4)\">\n <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/grinding-and-centering-.jpg\" alt=\"Large-aperture IR optics spherical grinding and chamfering in progress \u2014 the middle stations preserved during an IR optics cutting and polishing machine bookend upgrade on a Vimfun line\" width=\"1600\" height=\"900\" loading=\"lazy\" onerror=\"this.style.display='none';this.nextElementSibling.style.display='flex'\" style=\"display:block;width:100%;height:auto;background:var(--bg-2)\" title=\"Vimfun glass cutting equipment is a perfect machine tool for precision cutting\">\n <div style=\"display:none;aspect-ratio:16\/9;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:linear-gradient(135deg,var(--blue-tint),var(--bg));color:var(--blue-deep);padding:24px;text-align:center\">\n <svg width=\"56\" height=\"56\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"opacity:.7\" aria-hidden=\"true\">\n <rect x=\"3\" y=\"3\" width=\"18\" height=\"18\" rx=\"2\"\/>\n <circle cx=\"8.5\" cy=\"8.5\" r=\"1.5\"\/>\n <path d=\"M21 15l-5-5L5 21\"\/>\n <\/svg>\n <div style=\"font-family:var(--mono);font-size:13px;font-weight:600;line-height:1.55;letter-spacing:.02em;max-width:520px\">\n Image placeholder \u2014 cut + polish bookend setup photo<br>\n <span style=\"font-weight:400;color:var(--ink-soft);font-size:11.5px;letter-spacing:.04em\">Upload to <code>\/wp-content\/uploads\/\u2026<\/code> and replace the <code>src<\/code> URL above.<\/span>\n <\/div>\n <\/div>\n <figcaption style=\"font-family:var(--mono);font-size:11.5px;color:var(--ink-soft);padding:11px 16px;border-top:1px solid var(--line);background:var(--white)\">Large-aperture IR optics in spherical grinding and chamfering \u2014 the middle stations that stay in place during a cut + polish bookend upgrade. Only the front cutter and back polisher get replaced.<\/figcaption>\n <\/figure>\n <div class=\"feat-grid\">\n <div class=\"feat\">\n <div class=\"num\">1<\/div>\n <h3>Aging Ge thermal-imaging line modernization<\/h3>\n <p>Existing centering and grinding equipment works fine; the cutter is 10+ years old and bleeds Ge to wide kerf. Replacing just the cutter + polisher recovers 20\u201335% of material yield and tightens AR-coating consistency.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">2<\/div>\n <h3>Hybrid Ge + chalcogenide line addition<\/h3>\n <p>You're adding ZnSe \/ ZnS handling to an existing Ge line. The current cutter and polisher were tuned for Ge only. Cut + polish replacement covers both materials with parameter-set switching, no second line.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">3<\/div>\n <h3>High-volume thermal-imaging capacity expansion<\/h3>\n <p>Demand outgrew the existing cell. Add a second SG40 + polisher pair to double cell capacity without touching the centering \/ grinding side, which usually has more headroom than the bookends.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">4<\/div>\n <h3>Defense optics qualification cycles<\/h3>\n <p>A new program demands tighter coating durability than the existing polisher's Ra spec supports. Polisher upgrade alone (paired with a matching cutter upgrade for tolerance flow) covers it without re-qualifying the rest of the line.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Partial-line economics<\/div><h2>What does a cutting + polishing upgrade actually cost?<\/h2><\/div>\n <div>\n <p>IR optics cutting and polishing machine economics differ from full-line economics in two ways: lower up-front CapEx, but faster payback because you're replacing the highest-leverage stations first. Per-machine list pricing for the cutting side runs $31K\u2013$39K for the SG \/ SGR \/ SGI 40 platform; the polisher ships with the cut + polish line package and is priced against your specific configuration (workpiece range, aspheric requirements, monthly volume).<\/p>\n <p>On the material-savings side, a kerf reduction from 5\u201310 mm core drill to 0.5 mm closed-loop wire saves <span class=\"hl\">$200\u2013$600 of germanium per 200 mm ingot<\/span>, depending on diameter. At 50 ingots\/month, that's $10K\u2013$30K of Ge kept every month \u2014 by itself enough to retire the cutter CapEx in 8\u201314 months without counting polishing or downstream gains.<\/p>\n <p>On the polishing side, the savings come from cycle time and yield, not material. A polisher that takes 5 minutes per face on adequate input might take 8 minutes on degraded cut input. Across 1,000 lenses\/month, that 3-minute delta is 50 hours of polisher labor per month \u2014 directly visible on the OpEx ledger. Combined cut + polish payback typically runs 10\u201314 months at mid-tier thermal-imaging volume; faster at automotive ADAS volume, slower at defense low-volume work where the case is more about quality compression than throughput.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Trust signals<\/div>\n <h2>Who already runs Vimfun cut + polish setups<\/h2>\n <p>Reference customers across thermal imaging, infrared sensor manufacturing, and defense optics programs. Selected names below; full reference list on request.<\/p>\n <\/div>\n <div>\n <p>The largest installed cutting footprint is at <a href=\"https:\/\/www.sunnyoptical.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sunny Optical Technology Group (HKSE 2382)<\/a> \u2014 30+ Vimfun cutting machines covering free-form contour, routine slicing, and rod extraction, primarily feeding their thermal-imaging lens lines. Polishing is handled in-house at Sunny, but several smaller Asia-Pacific IR optics customers run combined Vimfun cut + polish setups as their primary lens-line bookends.<\/p>\n <div class=\"trust-grid\">\n <div class=\"trust-tag\">Sunny Optical \u00b7 cutting (30+ units)<\/div>\n <div class=\"trust-tag\">IR optics shops (APAC)<\/div>\n <div class=\"trust-tag\">Edmund Optics<\/div>\n <div class=\"trust-tag\">Coherent<\/div>\n <div class=\"trust-tag\">Defense customers (NDA)<\/div>\n <div class=\"trust-tag\">Tecnisco Advanced Materials<\/div>\n <\/div>\n <p>Defense and aerospace cut + polish customers operate under NDA and become accessible once your project profile is shared. For the broader <a href=\"https:\/\/www.opticalcutting.com\/infrared-optics-manufacturing-equipment\/\">infrared optics manufacturing equipment<\/a> platform \u2014 including centering, grinding, and AR coating \u2014 see the main hub.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">FAQ<\/div>\n <h2>What buyers ask before adding cutting + polishing to an existing line<\/h2>\n <p>The questions that come up most often in IR optics cutting and polishing machine consultations. If yours isn't here, send it directly.<\/p>\n <\/div>\n <div class=\"faq\">\n <div class=\"faq-item\">\n <h3>Can we use a Vimfun cutter with our existing polishing line?<\/h3>\n <p>Yes \u2014 Vimfun cutters ship as standalone machines with documented output specs (kerf, edge chipping, SSD, Ra). If your existing polisher's input spec falls inside those numbers, the integration is clean. We run a quick spec compatibility check during the consultation and flag any handoff gaps before quoting.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What if our existing polisher has tighter tolerances than the cut output?<\/h3>\n <p>Two paths. Either tighten the cut spec by adjusting wire diameter and parameters (often achievable inside Vimfun cutter's standard range), or add a light grinding \/ lapping intermediate step. The consultation will recommend the lower-cost path for your specific tolerance gap.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Is the polishing machine sold as a standalone product?<\/h3>\n <p>Currently the aspheric polisher ships as part of the IR optics cutting and polishing machine line build, not as a standalone product. A standalone polisher product page is under development. Specifications are sent with line proposals; ask in the consultation for a polisher-specific spec sheet.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What materials does the cut + polish combo handle beyond germanium?<\/h3>\n <p>ZnSe, ZnS, silicon, sapphire, BK7, and fused silica \u2014 each gets a parameter-set switch (cutting wire grade, polishing pad and slurry chemistry). Hybrid lines that produce both Ge and chalcogenide optics on the same equipment run common \u2014 see the <a href=\"https:\/\/www.opticalcutting.com\/g-250-znse-zns-optics-grinding-machine\/\">G-250 ZnSe \/ ZnS grinding machine<\/a> page for chalcogenide-specific process detail.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>How does polishing differ for germanium vs ZnSe vs sapphire?<\/h3>\n <p>Each material has its own pad \/ slurry combination, dwell time, and final Ra target. Germanium polishes faster than ZnSe (Mohs ~4 vs ~4.5) but ZnSe is softer chemistry \u2014 different slurry pH. Sapphire is hardest (Mohs 9) and slowest, needing diamond slurry. The polisher hardware is common; the recipes differ.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What's the lead time for a cut + polish only install?<\/h3>\n <p>12\u201314 weeks for the full pair, 4\u20136 weeks on-site for commissioning and operator training. Replacing just the cutter (Scenario A above) ships in 8\u201310 weeks. For defense or aerospace timelines with qualification testing, add 6\u201312 weeks.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Do we need a centering machine between cut and polish?<\/h3>\n <p>For lens production, yes \u2014 centering establishes the optical-axis reference the polisher needs. If you're keeping your existing centering machine in a partial upgrade, the Vimfun cutter's edge-chipping spec is sized to fit standard centering allowances. If you're building new and want the centering machine too, the broader <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-manufacturing-equipment\/\">germanium lens manufacturing equipment<\/a> hub covers the full-line option.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Can the cut go directly to polish, skipping grinding?<\/h3>\n <p>For some flat optics (windows, filters), yes \u2014 if the cut leaves Ra and SSD inside the polisher's removal budget, intermediate grinding can be skipped. For curved optics (lenses), grinding stays in the workflow because the polisher operates on a pre-generated spherical or aspheric form, not on a flat cut face. Ask in the consultation for your specific part type.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"mainEntity\": [\n {\n \"@type\": \"Question\",\n \"name\": \"Can we use a Vimfun cutter with our existing polishing line?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Yes. Vimfun cutters ship as standalone machines with documented output specs for kerf, edge chipping, SSD, and Ra. If your existing polisher input spec falls inside those numbers, integration is clean. A spec compatibility check runs during the consultation.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What if our existing polisher has tighter tolerances than the cut output?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Two paths: tighten the cut spec by adjusting wire diameter and parameters within the Vimfun cutter standard range, or add a light grinding intermediate step. The consultation recommends the lower-cost path for your specific tolerance gap.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Is the polishing machine sold as a standalone product?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Currently the aspheric polisher ships as part of the cutting and polishing line build, not as a standalone product. A standalone polisher product page is under development. Specifications come with line proposals.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What materials does the cut + polish combo handle beyond germanium?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"ZnSe, ZnS, silicon, sapphire, BK7, and fused silica. Each material gets a parameter-set switch \u2014 cutting wire grade, polishing pad and slurry chemistry. Hybrid Ge plus chalcogenide lines on the same equipment are common.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"How does polishing differ for germanium vs ZnSe vs sapphire?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Each material has its own pad and slurry combination, dwell time, and final Ra target. Germanium polishes faster than ZnSe. ZnSe is softer chemistry with different slurry pH. Sapphire is hardest and slowest, needing diamond slurry.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What is the lead time for a cut + polish only install?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"12-14 weeks for the full pair plus 4-6 weeks on-site for commissioning and operator training. Replacing just the cutter ships in 8-10 weeks. Defense or aerospace timelines with qualification testing add 6-12 weeks.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Do we need a centering machine between cut and polish?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"For lens production yes \u2014 centering establishes the optical-axis reference the polisher needs. In partial upgrades, the Vimfun cutter edge-chipping spec is sized to fit standard centering allowances. The full-line option is in the germanium lens manufacturing equipment hub.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Can the cut go directly to polish, skipping grinding?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"For some flat optics like windows and filters yes, if the cut leaves Ra and SSD inside the polisher removal budget. For curved optics like lenses, grinding stays because the polisher operates on a pre-generated spherical or aspheric form, not a flat cut face.\"}\n }\n ]\n}\n<\/script>\n\n\n<section class=\"cta\" id=\"quote\">\n <div class=\"wrap\">\n <div class=\"cta-inner\">\n <div>\n <div class=\"eyebrow\">Next step<\/div>\n <h2>Talk through your IR optics cut-polish line with an engineer<\/h2>\n <p>Send us your lens drawing and your current line configuration. We'll come back with a 2-station upgrade proposal that fits your existing centering \/ grinding equipment and your target volume \u2014 typically within one business day.<\/p>\n <\/div>\n <div class=\"cta-actions\">\n <a class=\"btn\" href=\"mailto:daria@endlesswiresaw.com?subject=IR%20optics%20cutting%20and%20polishing%20machine%20\u2014%20line%20consultation%20request\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\"><path d=\"M5 12h14M13 6l6 6-6 6\"\/><\/svg>Request a 2-station consultation<\/a>\n <a class=\"btn btn-ghost\" href=\"#matrix\">Browse the equipment again<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n<\/body>\n<\/html>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>IR Optics Cutting and Polishing Machine: The 2 Leverage Stations SOLUTION HUB \u00b7 CUT & POLISH \u2014 THE BOOKEND STATIONS IR Optics Cutting and Polishing Machine Two stations carry most of the optical-quality weight on an IR optics line: the front (cutting) and the back (polishing). The IR optics cutting and polishing machine bookend setup […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-4904","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages\/4904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/comments?post=4904"}],"version-history":[{"count":0,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages\/4904\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/media?parent=4904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}