Abrasive article having a core including a polymer material
First Claim
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1. An abrasive article, comprising:
- a bonded abrasive body disposed within an interior recess of a peripheral surface of a core, wherein the core comprises a polymer material and reinforcing fibers, and wherein the core has a heat deflection temperature (HDT) at 0.45 MPa of at least about 130°
C. and a shrinkage ratio of not greater than 3%.
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Abstract
An abrasive article in form of an abrasive wheel comprising a core and a bonded abrasive body disposed within an interior recess of a peripheral surface of a core. The core comprises a polymer material and has an HDT at 0.45 MPa of at least about 130° C., and a low shrinkage ratio.
135 Citations
20 Claims
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1. An abrasive article, comprising:
a bonded abrasive body disposed within an interior recess of a peripheral surface of a core, wherein the core comprises a polymer material and reinforcing fibers, and wherein the core has a heat deflection temperature (HDT) at 0.45 MPa of at least about 130°
C. and a shrinkage ratio of not greater than 3%.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An abrasive article, comprising:
a bonded abrasive body disposed within an interior recess of a peripheral surface of a core, wherein the core comprises a polymer material and reinforcing fibers, the reinforcing fibers having an average aspect ratio of length to width ranging from at least 10 to not greater than 5000. - View Dependent Claims (15, 16, 17)
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18. A method of making an abrasive wheel, comprising:
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inserting a bonded abrasive body into a mold; and injection molding a core around at least a portion of the bonded abrasive body to form an integrally bonded abrasive article, wherein the core comprises a polymer material and has a heat deflection temperature (HDT) at 0.45 MPa of at least 130°
C. and a shrinkage ratio of not greater than 3%; andthe bonded abrasive body is disposed within an interior recess of a peripheral surface of the core. - View Dependent Claims (19, 20)
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Specification