Quick answer: CNC Machining D263 Thin Glass covers D263 Thin Glass (CTE 7.2 x 10^-6 /K, 350 nm – 2.0 um); CNC Machining to +/-0.01 mm positional. Prototypes ship in 5-10 working days.
cnc machining d263 thin glass is a materials problem before it is a machining problem. D263 Thin Glass has down-drawn fire-polished surfaces and a Knoop hardness of 590 kg/mm2, so the cnc machining recipe – feeds, coolant, tooling – differs from what works on ordinary float glass. The line runs 4-axis machining centers with diamond tooling and through-spindle coolant and holds +/-0.01 mm positional.
Key parameters
| Material | D263 Thin Glass (SCHOTT D 263 T eco) |
|---|---|
| Thermal expansion (CTE) | 7.2 x 10^-6 /K |
| Service temperature | 400 C (Tg 557 C) |
| Transmission range | 350 nm – 2.0 um |
| Density | 2.51 g/cm3 |
| Knoop hardness | 590 kg/mm2 |
| Refractive index | 1.523 @ 587 nm |
| Stock thickness | 0.03 – 1.1 mm |
| Maximum blank size | 440 x 360 mm |
| Process | CNC Machining |
| Working tolerance | +/-0.01 mm positional |
| Minimum feature | 0.4 mm slot width |
| Surface finish | Ra 0.4 um ground, optional polish |
| Thickness window | 0.5 – 50 mm |
| Edge condition | chamfered 0.1 – 0.5 mm as standard |
| RFQ inputs | PDF/DXF/STEP drawing, quantity brackets, surface and edge spec |
DFM notes from the shop floor
Before sending the RFQ, check these against your drawing:
- Material note: ultra-thin stock cannot take conventional clamping; parts are machined on wax or UV-tape carriers.
- Process boundary: internal corners carry a minimum radius equal to the smallest practical tool, typically R0.5 mm.
- Over-specification is the quiet budget killer: a 20/10 scratch-dig face costs roughly three times an 80/50 face, so grade each surface individually.
The full rules live in our tolerance design guide and holes and edges design guide.
Capabilities and limits
The core strength of CNC Machining is complex 3D geometry – pockets, steps, counterbores and compound edges in one setup. The honest limit: internal corners carry a minimum radius equal to the smallest practical tool, typically R0.5 mm. Both belong on the drawing before quoting, not after.
One material, many routes: on D263 Thin Glass we also quote edge grinding, drilling, polishing, etching, and multi-step drawings are the norm rather than the exception.
Who orders this
cnc machining d263 thin glass shows up across oled packaging (cover lids, frit-seal frames, fill-port plates); medical diagnostics (flow cells, slides, microplate bottoms, cuvette windows). Background reading on the underlying material science: SCHOTT D 263 thin glass.
The fastest route to a quote is geometry: use the 3D builder below, draw a dimensioned 2D drawing from it, or open the site-wide custom glass machining 3D + 2D builder for fully custom parts.
Related reading on this site: CNC machining capability, infrared windows, surface quality guide.
Common questions
What equipment runs the cnc machining work?
4-axis machining centers with diamond tooling and through-spindle coolant.
Is there a minimum order for cnc machining d263 thin glass?
No. Single prototypes are accepted, and pricing steps down at 10, 100 and 1,000 pieces.
How fast can prototypes ship?
Machined prototypes ship in 5 – 10 working days. Coated or bonded parts add 1 – 2 weeks depending on queue slots.
What files do you need for a quote?
A dimensioned PDF plus DXF or STEP geometry. If only a sketch exists, our drawing review service formalizes it before quoting.
Specifications on this page were last reviewed by our engineering team in August 2026.