6A2 Resin Bond Diamond Cup Wheel for Ceramic & Glass Grinding

Scratch-Free Grinding Wheel for Alumina Ceramic, Optical Glass & Sapphire

Product Overview

This 6A2 cup-shaped resin bond diamond wheel is engineered for precision surface and face grinding of alumina ceramic, optical glass, sapphire, and other hard brittle materials. The cup design provides uniform contact for flat, scratch-free finishes.

Key Specifications

Parameter

Details

Wheel Shape

6A2 (Cup Grinding Wheel)

Bond Type

Resin Bond

Abrasive Type

Synthetic Diamond

Grit Size

#240 - #400

Concentration

100% - 125% (Custom available)

Max Operating Speed

35 m/s (Max 7,000 RPM)

Precision Tolerance

≤ 0.01mm

Cylindricity Tolerance

 ≤ 0.01mm

Workpiece Material

Alumina Ceramic, Optical Glass, Sapphire

Suitable Application

Surface Grinding, Precision Machining

Customization

Available (Size, Grit, Shape)

Manufacturing Process

Sintered

Radial Runout

≤ 0.02mm

Lead Time

7-15 Days

Features & Advantages

✅ Produces flat and scratch-free surface on brittle materials

✅ High wear resistance for long service life

✅ Uniform grinding force for stable machining

Applications & Workpiece Materials

  • Surface grinding of alumina, zirconia, and advanced ceramic components

  • recision face grinding of optical glass, quartz, and sapphire parts

  • Flat lapping of ceramic substrates and insulating parts

  • Suitable for vertical surface grinders and precision ceramic grinding machines

If you need a custom solution for special materials or applications, please use the form below to tell us your requirements.

100mm (4") / 125mm (5") / 150mm (6") / 200mm (8") / Custom

#120 (Medium)

#180 (Fine)

#240 (Extra Fine)

#400 (Ultra Fine)

Custom

18mm / 20mm / 32mm / Custom

Request a Custom Diamond Wheel Quote

Tell us your grinding requirements below, and our engineering team will send you a tailored quotation within 24 hours.