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CNC GLASS MACHINING CNC
CNC Glass Machining Services — Precision Custom Glass Fabrication from China
SW Glass is a leading China-based glass OEM manufacturer of deep processing techniques, with over 10 years experience in glass CNC machining. Services span precision CNC cutting, drilling, tempering, coating (air/AR/AF), printing (silk screen) – all delivered ‘one stop shop’. Customers include various Fortune 500 brands like ABB, Schneider Electric, Siemens, Huawei, SpaceX.
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What Is CNC Glass Machining?
What is CNC glass machining.
CNC glass machining is a set of glass-shaping and finishing techniques that employ computer numerical control (CNC) machining centers, taking known CAD data and running it through an extensive array of CNC programs to generate one single batch of identical parts. Powerful CNC tools with meticulously-controlled speeds and feeds allow for processing up to 0.05 mm tolerances on thousands of pieces, at the lowest OEM prices in the world.A glass CNCM operation utilizes diamond tooling, because glass matrices lie between 5.5 and 7.0 on the Mohs hardness scale. CAD/CAM programs determine tool path data; a operator loads the data; then the CNC equipment delivers this data directly to each tool, to run at specific RPMs, feed rates, coolant flow rates.
SW Glass, as a reinforced China-based glass CNC machining factory, merges the formal accuracy and repeatability of sophisticated CNC machinery with the low-cost efficiency of Chinese manufacturing – to deliver complex geometries, precisions, and batch volumes to a worldwide OEM market.
Our CNC Glass Machining Capabilities
We operate 110+ units of CNC equipment at three Guangdong and Henan based factory sites, covering 80,000 m2 of production area. Our capabilities encompass all R&D and production glass processing operations from 2.5-inch tool-less hand-held parts to 42-inch sheets.
CNC Milling & Profiling
5-axis CNC milling to shape complex contours, transitions, sealing bead runs for flat and convex surfaces onto borosilicate, aluminosilicate, and soda lime substrates.
CNC Drilling & Boring
Drilled through and blind holes, from 0.5 mm to 80 mm dia. sonic hole, with ultrasonic hollow carbide drills. Positional accuracy within 0.05 mm tolerances.
Cutting & Slotting
Precision cut, cut-out glass shapes according to specifications (egg shaped, rectangular), circular cut outs, irregular profile edges. Slot and groove processing to meet ventilator and speaker needs. Laser cut fragile thin glass under 1.1 mm thickness. High speed waterjet processing.
Edge Grinding & Polishing
Double side sawn/seamed polished edges to produce many eye pleasing, chip-free effects – flat polish, pencil grind, optical grind, consistent Ra <0.15um.
Beveling & Chamfering
Add CNC bevels, to 15-45 degree angles. Edge and corner configuration for grip. Chipping-free in 0.1 mm depth. Reliable square edges by CNC grinding.
Engraving & Etching
3 Dimensional CNC etchings of logos, scales, patterns. Laser engraving for permanent high-contrast markings. Chemical AG etching for anti-glare surfaces.
Glass Materials We Process
Maximum variety and fewest OEM challenges when performing glass CNC machining with all kinds of glass substrates in one place. We have a on hand inventory of high-throughput items in our cooperating Guangdong warehouse facility.
| Glass Material | Thickness | Key Properties | Typical Applications |
|---|---|---|---|
| Soda-Lime Glass | 0.7–12 mm | Most economical; transmittance >89%; chemical & physical tempering | Industrial panels, lighting, appliance covers |
| Aluminosilicate (Gorilla® Glass) |
0.4–2.0 mm | CS>700 MPa; superior scratch resistance; ultra-thin | Touchscreens, mobile, automotive displays |
| Borosilicate Glass | 1.0–15 mm | Thermal shock resistant; Mohs 7.0; high chemical durability | Lab instruments, medical devices, optics |
| Low-Iron Ultra-Clear | 2.0–19 mm | Transmittance >91.5%; minimal green tint | Display panels, high-end lighting |
| ITO Coated Glass | 0.55–2.0 mm | Conductive 3–800 Ω/sq; transmittance >85% | LCD, smart home controls, solar R&D |
| Quartz / Fused Silica | 0.5–6 mm | UV-transparent; extreme thermal resistance | Semiconductor, precision optical components |
All-In-One Custom Glass Fabrication, Surface Treatment, and Coating
In contrast to OEMs that outsource their coating and printing processes, SW Glass perform all surface finishing services within our large China manufacturers to eliminate lengthening production cycles and potential incompatibility.
Anti-Glare (AG) Etching
Chemical etching for enhanced outdoor readability. Adjustable: Gloss 50±10 to 70±10, Haze 4.7–11, Ra 0.12–0.15 μm. Single or double-side etching.
Anti-Reflective (AR) Coating
Multi-layer vacuum coating. transmittance >94% single-side, >98% double-side. For high-end medical imaging and professional optical elements.
Anti-Fingerprint (AF) Coating
High performance hydrophobic/oleophobic coating. Water contact angle 105°±5°. Plasma pre-treatment for superior adhesion. Well suited to interactive touch panels.
Silk Screen Printing
High temperature ceramic inks for permanent graphics. Multi-color: black, white, red, green, color match Pantones etc. Registration at 0.1 mm. UV and weather proof.
ITO Conductive Coating
Indium tin oxide sputtered glass for touch sensitive and electrical function within panels. Resistance grades are 3-5, 10-15, 70-90, 120-800 /sq. Standard sizes 14″×14″, 14″×16″, 20″×24″ with custom dimensions available.
Chemical & Physical Tempering
Chemical strengthening by ion exchange giving a CS>450 MPa, DOL>8 μm on glass as thin as 0.4 mm. Physical tempering for glass ≥3 mm yields the safety-shatter pattern per EN 12150 (≥100 fragments per 50×50 mm). Both processes are performed in-house, not subcontracted.
Custom Cut Glass With CNC Machining
From Your Drawing to Delivery
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01CAD/CAM
Review -
02Material
Selection -
03CNC
Machining -
04Edge
Finishing -
05Tempering
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06Surface
Treatment -
07QC &
Export Pack
Customer engineering staff provides drawings (DXF, DWG, STEP, or PDF). In-house engineers evaluate for manufacturability and program CNC machine tool paths via CAD design software. Diamond tooling and in-house continuous coolant flow eliminate thermal shocks during cutting. Finished glass is CNC profiled and edge ground, then tempered, surface processed and inspected into a controlled-clean room facility with vacuum export packaging designed for international delivery.
Design Consideration
All CNC work must be completed prior to heat-treating as tempered glass cannot then be cut or drilled. This consideration should be taken into account early in design development: lock down your cutout and outline dimension requirements before booking production.
CNC Glass Machining Solutions for Every Industry
Glass parts produced through CNC machining are employed in mission-critical applications worldwide. Every market has unique material/use process pairings – our engineering team can work with you to identify the standard and process combination suitable for your market needs. Here are some of the most common solutions.
Industrial Touchscreen & HMI Panel Glass
Chemically strengthened cover glass for factory automation equipment, CNC machine operator panels, SCADA displays and PLC interfaces. AG-etched surfaces provide contrast in industrial lighting environments. From 3.5″ to 21.5″ with custom cutouts for sensors and connectors.
Medical Device Display Cover Glass
Biocompatibility-tested glass for patient monitor, diagnostic apparatus panels, and medical imaging systems. AG etching combined with chemical strengthening (CS>450 MPa, DOL>8 m). Meets medical device biocompatibility criteria (see SGS test report).
Automotive & Vehicle-Mounted Display Glass
Dashboard instrument cluster glass, infotainment cover lenses, rearview display panels. CNC machining with asymmetric shapes, sinew edges and multi-hole array for sensor integration. Silk-screened bezel and icon design with high-temperature fade proof inks.
Aerospace & Military Equipment Glass
High performance command display glasses, handheld controller touchscreens, avionics panel windows. High optical requirements, high impact mandates, high ambient requirements. Manufactured under industry standards-compliant ISO 9001 quality management for military-grade glass.
Smart Home & IoT Control Panel Glass
Smart wall switch, socket cover, thermostat display, fingerprint access control, smart home automation touchscreens. CNC-drilled button holes, silk-screened glyphs and bright-screen protection applied with AF coating for powder daily use. Custom shapes/colours available.
Household Appliance Glass Panels
Coffee, pressure , oven, water-heating, sanitaryware and kitchen electronics cover glasses and control panels. SEB Group (Fortune 500, parent company of Tefal/Supor) authorized SW Glass as a supplier partner in consumer glasses. Glass holds up at 250C+ and has fade-proof ceramic ink printing.
Tempered Lighting Glass
Witness-invisible, very clear component for garden lamps, wall washer lights, pool-lights, in-ground fixtures. Custom laser cutting ensures waterproof and impact resistant assemblies. High temperature silk-screened marking for professional grade OP nature of final use. IK07 impact rated variants available.
ITO Conductive & Specialty Coated Glass
ITO sputtered glass for LCD module, smart home sensor, solar panel R&D, laboratory electrochemistry. Independent fabrications: 3 /sq- 800 /sq Custom approaches to resistivity. Step glass with multi-thickness transitions, special-shape optical glass for high accuracy instrument also available.
Quality Assurance and Certifications for CNC Milling Glass
ISO 9001:2015
Quality Management
EN 12150
EU Tempered Glass Safety
Biocompatibility
Medical Report (SGS)
SEB Authorization
Fortune 500 License
Testing Equipment
| Test | Equipment | Standard / Metric |
|---|---|---|
| Dimensional accuracy | 2D coordinate measuring machine | ±0.05 mm |
| Surface stress | Surface stress meter | CS >450 MPa, DOL >8 μm |
| Color consistency | BM-7 Color Brightness Analyzer | ΔE <1.0 |
| Impact resistance | Drop ball tester | EN 12150 fragment test |
| Adhesion | Cross-cut tester (3M 610) | ≥4B (ISO class 1) |
| Corrosion | Salt spray fog chamber | 48–96 hr exposure |
| Hydrophobic | Contact angle goniometer | 105° ±5° |
Why Source CNC Glass Machining from SW Glass, China?
One-Stop Chinese Factory
CNC machining, silk screen printing, chemical and physical tempering, AG/AR/AF coating, ITO sputtering—all in one place. No outsourcing, No multifarious vendor quality disparity. 3 manufacturing plants in Guangdong and Henan Province. 80,000 sq. m.…
Fortune 500 Validated
Some of the client names forming our portfolio include ABB, Schneider Electric, Siemens, Toshiba, Huawei, Leica, CAT, Kohler, SpaceX, Saint-Gobain. The SEB Group has appointed us as their authorized production partners- this is a testament to our quality of manufacturing being recognized by the world standards.
Competitive OEM Pricing
We are a direct factory (not a trading company ), we could provide cost effective glass machining services by China based manufacturing leading cost advantage. Waived tooling charges above 5,000pcs. Annual blanket order programs available for stable demand customers.
Worldwide Export & Support
Export to over 30 countries, North America, Europe, Asia and Middle East. We take care of exporting documentation, customs packaging (vacuum + foam + carton), ship by air / sea or express courier. English speaking project managers; avoiding language barrier.
Glass Machining Cost Estimator
Get an instant ballpark estimate for your CNC glass machining project. For a precise quotation, submit your drawing to our engineering team.
Estimated Cost Breakdown
Base Material Cost—
CNC Machining—
Surface Treatment—
Tooling Setup (amortized)—
Estimated Unit Price—
* This is an approximate estimate for budgeting purposes only. Actual pricing depends on exact specifications, tolerances, drawing complexity, and current material costs. Tooling setup charges are typically waived for orders above 5,000 units. Contact our team for a precise quotation.
Get an Exact Quote — Send Your DrawingFrequently Asked Questions About CNC Glass Machining
CNC glass machining uses computer numerical control technology to precisely cut, drill, mill, grind, and polish glass materials. The CNC machine follows programmed CAD/CAM instructions to achieve tolerances as tight as ±0.05 mm — enabling complex geometries that manual processing cannot replicate consistently.
Common types of glass we CNC machine include soda-lime glass, aluminosilicate (Gorilla Glass), borosilicate, low-iron ultra-clear, quartz, and fused silica. Each glass material requires specific diamond tooling parameters — borosilicate needs slower feed rates due to higher hardness.
No — all CNC machining must be completed before tempering. Tempered glass shatters if machined after strengthening. The correct sequence is always: CNC machining → cleaning → tempering → surface treatment → inspection.
Our CNC machines achieve ±0.05 to ±0.1 mm dimensional tolerance. Hole positional accuracy reaches ±0.05 mm. Chemical strengthening parameters verified post-process: CS >450 MPa, DOL >8 μm.
Chemical strengthening uses ion exchange in molten salt at ~400°C — works on glass as thin as 0.4 mm, achieving CS>450 MPa. Physical tempering heats glass above 620°C then rapidly cools it — requires ≥3 mm thickness but produces safety-shatter pattern per EN 12150.
AG (Anti-Glare) etching creates a micro-textured surface reducing reflection. AR (Anti-Reflective) vacuum coating achieves >98% transmittance. AF (Anti-Fingerprint) hydrophobic coating provides water contact angle 105°±5°. All applied in-house at our factory.
Cost depends on glass material, part complexity, surface treatment, quantity, and tolerance. As a China-based direct factory, we offer globally competitive OEM pricing. Tooling charges are typically waived for orders above 5,000 units. Submit your drawing for a detailed quotation within 24–48 hours.
We support prototype runs from 50 pieces for design validation, and scale up to 1,000,000+ pieces annually for OEM production runs. Start with a prototype to validate specs before volume commitment.
Production: 7–15 business days. Prototypes: 5–7 days. International shipping from our Guangdong factory adds 3–7 days by express courier (DHL/FedEx) or 20–30 days by sea freight.
Yes. SW Glass exports to over 30 countries across North America, Europe, Southeast Asia, and the Middle East. We handle export documentation, customs-compliant vacuum packaging, and arrange air/sea/express shipping. English-speaking project managers ensure smooth communication throughout.
