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US 8,540,785 B2Granted
Bonded abrasive tool and method of forming
AssigneesSaint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
InventorsKonstantin S. Zuyev, Walter Strandgaard, Joel A. Fife, Muthu Jeevanantham
Life of this patent
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Abstract
A bonded abrasive tool includes a bonded abrasive body having a bond matrix material including an organic bond material, abrasive grains contained within the bond matrix material, and chopped fiber bundles within the bond matrix material. The tool further has a porosity within the bonded abrasive body, wherein a majority of the porosity includes pores surrounding the chopped fiber bundles.
Claims20
A bonded abrasive tool comprising:
- a bonded abrasive body comprising:
- a bond matrix material comprising an organic bond material;
- abrasive grains contained within the bond matrix material;
- chopped fiber bundles within the bond matrix;
- and
- porosity within the bonded abrasive body, wherein the porosity comprises two phases, a first phase comprising small pores uniformly dispersed within the bond matrix material, and a second phase comprising large pores selectively disposed around the chopped fiber bundles.
3 more elements
A bonded abrasive tool comprising:
- a bonded abrasive body comprising:
- a bond matrix material comprising an organic bond material;
- abrasive grains contained within the bond matrix material;
- chopped fiber bundles within the bond matrix having a length within a range between about 1 mm and about 5 mm;
- and
- porosity within the bonded abrasive body, wherein the porosity comprises two phases, a first phase comprising small pores having circular cross-sectional shapes uniformly dispersed within the bond matrix material, and a second phase comprising large pores extending laterally around portions of the peripheral surfaces of the chopped fiber bundles.
3 more elements
A bonded abrasive tool comprising:
- a bonded abrasive body comprising:
- a bond matrix material comprising an organic bond material;
- abrasive grains contained within the bond matrix material;
- chopped fiber bundles within the bond matrix;
- and
- porosity within the bonded abrasive body, wherein the porosity comprises two phases, a first phase comprising small pores uniformly dispersed within the bond matrix material, and a second phase comprising large pores surrounding the chopped fiber bundles, the bonded abrasive body demonstrating a material removal rate (MMR) of at least about 13 in3/min and having a G-ratio (MMR/WWR) of not greater than about 40 while grinding a metal workpiece having a thickness of 0.5 inches with a downforce applied to the bonded abrasive body of at least about 45 HP.
3 more elements
Dependencies are inferred from the claim text.