Method and apparatus for making abrasive tools
OwnerNaum N. Tselesininventor
Life of this patent
Estimating the term…
Abstract
A separator is placed between the mold, and a body of matrix material with hard particles being compacted, for forming an abrasive body. The separator may be relatively soft, so some of the hard particles will partially enter the separator during compaction. Subsequent removal of the separator leaves particles protruding through the retaining surface so the abrasive body does not necessarily require dressing. The separator may act as a release agent to facilitate removal of the abrasive body. The separator may also be contoured so the abrasive body will be contoured after compaction. A plurality of separators may be used to provide different functions simultaneously.
Claims15
In the method for making a body of abrasive material wherein a plurality of hard particles is embedded in a matrix material for retaining said hard particles during use, said method including the steps of placing said matrix material in a mold means, providing said plurality of hard particles adjacent to at least one surface of said body, exerting compacting forces against said body with said mold means, and raising the temperature of said body to a sintering temperature during the said step of exerting compacting forces against said body, the improvement comprising the step of placing a separator between said mold and said body prior to the said step of exerting compacting forces against said body.
Dependencies are inferred from the claim text.