White Aluminum Oxide Grinding Wheels for Precision Grinding

White aluminum oxide, also called white corundum, grinding wheels are supplied in cup and other shapes for precision grinding applications. Confirm workpiece material, machine, operation, wheel shape, dimensions, bore, grit, grade, bond, structure and maximum operating speed before order. Approve a sample and grinding test where required.

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Wheel shape, size and bond by order

Product Description

White Aluminum Oxide Grinding Wheels for Precision Grinding

White aluminum oxide, also known as white corundum, grinding wheels are supplied for precision grinding applications where a sharp and friable abrasive is specified. The correct wheel depends on the workpiece, machine, operation, wheel shape, dimensions, grit, grade, structure, bond and rated speed.

Specification note: Chemical composition, abrasive designation, bond system and performance requirements should be confirmed on the quotation or approved specification sheet.

White aluminum oxide cup grinding wheel

Typical Application Scope

White aluminum oxide wheels may be considered for precision grinding of tool steels, high-speed steels and hardened steels when the abrasive and bond are compatible with the operation. Actual suitability depends on workpiece hardness, contact area, stock removal, coolant, machine rigidity and desired surface finish.

Wheel Shapes and Construction

Straight, cup, dish or other profiles according to machine and drawing
Standard or custom outside diameter, thickness and bore
Vitrified or resin-bonded construction where available
Grit, grade and structure selected for the grinding requirement

Available combinations are confirmed by order; not every size, shape and bond is produced in every abrasive grade.

White corundum grinding wheel shape and size options

Specification Checklist

Item	Required information
Workpiece	Material, hardness and heat-treatment condition
Operation	Surface, cylindrical, tool, groove or other grinding process
Machine	Machine model, spindle, flange, guard and operating speed
Wheel shape	Standard shape code or dimensional drawing
Dimensions	Outside diameter, thickness, bore and relevant profile dimensions
Abrasive	White aluminum oxide designation or approved equivalent
Grit	Required stock removal and surface finish
Grade and structure	Hardness grade and wheel density/open structure requirement
Bond	Vitrified, resin or other specified bond
Rated speed	Maximum operating speed required by the machine

Buyer Testing and Approval

For a new application, approve drawings, markings and a sample wheel before mass production. Test cutting rate, heat generation, wheel wear, dressing behaviour, dimensional accuracy and workpiece finish under actual machine conditions.

Quality Checks Before Shipment

Wheel shape and dimensional conformity
Bore and flange-contact dimensions
Visual inspection for cracks, chips or edge damage
Balance or runout requirement where specified
Abrasive, grit, grade, bond and speed marking
Batch identification, packing and agreed documentation

Safe Handling and Use

Inspect the wheel before installation, use the correct flanges and guard, follow the machine and wheel manufacturers’ instructions, and wear appropriate eye and face protection. Never exceed the marked maximum operating speed. Do not use a cracked, dropped, damaged or abnormally vibrating wheel.

Quotation Information

Send the wheel drawing or complete specification, workpiece material, machine model, required quantity, packing, label language and destination port. MOQ, sample policy, lead time and available documentation are confirmed for each order.