Dongguan Felix Glass Co., Ltd. E-mail: james@felixglass.com - Tel: +86 185 6503 2888
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Curved Glass

Custom 2.5D and 3D thermally bent curved glass panel for display and industrial device cover
Curved Glass Engineering Category

Custom 2.5D & 3D Thermally Bent Curved Glass for Industrial & Smart Devices

Felix Glass provides precision thermally bent curved glass solutions, including standard 2.5D edge rounding and full 3D hot-bending forming. The glass adopts high-precision thermal bending moulding process under constant temperature control, ensuring uniform radian, consistent surface tension and stable structural strength.

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

Thermal bending forming Radian inspection Coating compatibility
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Product Overview

Product Overview

All curved glass can be matched with tempering, CNC fine processing, silk screen printing and optical coating. It integrates curved appearance with industrial mechanical stability for equipment curved cover and touch display scenarios.

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

Engineering Scope

2.5D edge arc, 3D single-curved forming, 3D double-curved forming, tempered strengthening, CNC edge control, printed border alignment and optical coating can be reviewed against customer drawings.

Substrate & structure

Curved Glass Substrate & Structural Types

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

2.5D Curved Glass

Only edge arc treatment with flat main surface and high flatness for display assembly.

3D Single-curved Glass

One-way radian bending for strip components, control panels and protective cover parts.

3D Double-curved Glass

Two-way arc forming for irregular curved shell structures and integrated cover glass.

Optional Substrates

Aluminosilicate glass, soda lime glass and borosilicate glass selected by strength, optical and thermal requirements.

Custom capabilities

Full Thermal Bending & Custom Capabilities

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

Precision glass CNC processing and forming preparation for custom curved tempered glass
Custom bending radius Customizable thickness range Whole-piece radian tolerance Edge polishing grade Hole positioning after bending Screen printing alignment tolerance AR/AG/AF coating compatibility Tempered strength grade
Manufacturing workflow

Standard Curved Glass Manufacturing Workflow

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

Raw glass cutting CNC edge pre-processing Fixture mould positioning Constant temperature thermal bending forming Slow cooling stress relief Chemical tempering strengthening Surface fine cleaning Coating & printing optional Radian & dimension inspection Custom packaging

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Applications

Core Industrial & Commercial Application Scenarios

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

Industrial curved instrument windows Smart home curved control panels Medical device curved protective covers Automotive small curved display glass Wearable device panel glass Household appliance curved touch screens
Surface processing

Optional Surface Functional Processing

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

Felix Glass curved tempered touch screen cover glass with protective sticker film, custom cutout for medical portable tablet touch display, high transmittance AR coating optional

AF anti-fingerprint coating

For curved touch interaction and repeated surface contact.

AG anti-glare coating

For curved display screen readability under external light.

AR anti-reflection coating

To improve curved surface transmittance and reduce reflection.

Custom border printing

Silk screen printing and logo carving matched to drawing alignment requirements.

Inspection

Curved Glass Quality & Forming Inspection Standards

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

Forming Geometry

  • Radian tolerance detection
  • Overall flatness test
  • Arc edge smoothness microscopic inspection

Mechanical & Stress Control

  • Bending stress uniformity inspection
  • Tempered hardness test
  • High and low temperature structural stability test

Surface & Coating Check

  • Coating adhesion test
  • Screen printing alignment review
  • Surface defect and cleaning inspection
FAQ

Engineering Customization FAQ

Typical customization ranges shown for reference. Actual specifications depend on material selection and engineering requirements.

What is the structural difference between 2.5D and 3D curved glass?

2.5D curved glass keeps a flat main surface and applies edge arc processing. 3D curved glass uses thermal bending to form one-way or two-way curvature across the glass body.

How is the minimum bending radius limited?

The minimum bending radius depends on glass substrate, thickness, panel size, forming depth, tempering requirement and mould design. Engineering review is required before confirming production feasibility.

How is radian tolerance defined?

Radian tolerance is normally checked against customer drawings, gauge fixtures or coordinate measurement data after thermal bending and stress relief.

Can coating be done after bending?

AR, AG and AF coating can be evaluated after bending when the curved surface geometry, coating fixture and optical requirement are compatible.

How is deformation controlled during thermal forming?

Deformation is reduced through controlled temperature curve, fixture mould positioning, slow cooling stress relief and follow-up radian inspection.

What affects sample and mass production lead time?

Sample customization cycle and mass production delivery time depend on substrate stock, mould preparation, bending radius, coating or printing steps, and inspection documentation requirements.

Related resources

Related Industrial Glass Resources

Technical documents

Curved Glass Process Datasheet & Bending Tolerance Specification

Upload curved structure drawings, bending radius, thickness, surface process requirements and application environment for engineering review.

Upload curved structure drawings

James Fu, Sales Director of FELIX OPTICAL GLASS, and a poster displaying contact information for an optical glass deep-processing factory.James Fu, Sales Director of FELIX OPTICAL GLASS, and a poster displaying contact information for an optical glass deep-processing factory. 2
Learn more from our FAQ
What is the minimum order quantity for custom precision optical glass components?

FELIX OPTICAL GLASS offers highly flexible MOQs to support customer projects, including prototype testing, small-batch trial orders, and high-volume production. All products can be fully customized to your drawings, tolerances, and application standards. Please send us your specifications, and we will reply within 1-5 hours and provide an accurate quotation after careful evaluation within 1-2 days.

Can I get free glass samples for testing before bulk order?

Yes, our FELIX GLASS factory supports sample testing for a wide range of precision optical glass components and assemblies. The lead time for sample production is 3 to 7 working days. Please contact us today to arrange samples and obtain a customized solution that meets your needs.

What is the production lead time for custom optical glass components?

A: The production cycle for standard samples is 3-10 working days, while mass production requires 15-35 working days, depending on the complexity of the product and the order quantity. We provide reliable precision optical glass components and fast delivery services for orders from industries such as defense, industrial equipment, medical devices, shipbuilding, robotics, automotive, and aerospace. Please submit your project details so we can provide you with an accurate delivery schedule.

Are your optical glass products ISO, CE and RoHS certified?

All precision optical glass components from FELIX OPTICAL GLASS comply with ISO quality system standards as well as CE and RoHS requirements. We provide comprehensive test reports, spectral graphs, material certificates, and inspection documents for customer review. Please feel free to request complete certification details and a formal quotation at any time.

Do you offer one-stop custom optical glass processing services?

Yes. We offer a full range of precision optical glass component processing services, including CNC machining, precision grinding, optical polishing, chemical/physical tempering, vacuum coating (AR anti-reflective coating, AF anti-fingerprint coating, AG anti-glare coating, IR infrared coating), and screen printing. From raw materials to finished products, every step is completed in our own factory. Please tell us your needs, and we will provide you with the most cost-effective solution.

CONTACT US NOW FOR A QUOTE
Send an inquiry now—we'll reply promptly within 1-5 hours and provide the best formal quote within 1-2 days! Let's start building a mutually beneficial partnership…
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With 19 years of experience as a precision optical glass expert, we provide comprehensive and satisfactory customized solutions.

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