Abrasive article for ultra high material removal rate grinding operations
US8945253B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 21, 2012 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Feb 8, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/1409
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An abrasive article including a bonded abrasive body having a bond material present in an amount of not greater than about 15 vol % for the total volume of the body, abrasive particulate material contained in the bond material, the abrasive particulate material including abrasive agglomerates and unagglomerated abrasive particles, wherein the body comprises an abrasive particulate ratio (APp:APagg) within a range between 3:1 and about 1:3, wherein APp represents the amount (vol %) of unagglomerated abrasive particles present in the body and APagg represents the amount (vol %) of abrasive agglomerates present in the body, and a porosity of at least about 42 vol % of the total volume of the bonded abrasive body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.