Grinding wheel with titanium aluminum nitride and hard lubricant coatings
AssigneeMaster Chemical Corporation
InventorStuart C. Salmon
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Abstract
A grinding wheel according to the present invention includes cubic boron nitride (cBN) or other abrasive particles such as diamond secured to a substrate by an electroplated, electroless plated or brazed layer of nickel, chrome or nickel or chrome based alloy, a first antioxidation layer of, for example, vapor deposited titanium aluminum nitride (TiAlN) and a second hard lubricant layer of, for example, vapor deposited molybdenum disulfide (MOS2), diamond graphite, tungsten carbide carbon, carbon nitride or titanium carbon nitride. The hard lubricant layer acts as a release agent and lubricant which reduces clogging of the wheel by lowering adhesion and facilitating the release of ground material from the wheel thereby providing improved grinding performance.
Claims25
An improved grinding wheel comprising, in combination,
- a wheel having a peripheral surface,
- a plurality of abrasive particles secured to said peripheral surface,
- a layer of titanium aluminum nitride on said abrasive particles, and
- a layer of hard lubricant on said layer of titanium aluminum nitride.
An improved grinding wheel comprising, in combination,
- a circular wheel having a peripheral surface,
- a plurality of abrasive particles secured to said peripheral surface,
- a first coating of an antioxidizing material, and
- a second coating of a hard lubricant.
An improved grinding wheel comprising, in combination,
- a circular wheel having a peripheral surface,
- a plurality of cubic boron nitride particles secured to said peripheral surface,
- a layer of titanium aluminum nitride on said cubic boron nitride particles, and
- a layer of molybdenum disulfide on said layer of titanium aluminum nitride.
Dependencies are inferred from the claim text.