Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1984-10-17
1986-11-11
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51327, B24B 100
Patent
active
046214631
ABSTRACT:
A method of successively grinding a plurality of cams on a camshaft by performing a grinding cycle for each of the cams after each cam is brought into alignment with a grinding wheel through indexing movement in the axial direction thereof. The grinding cycle is performed with said camshaft being rotated and rocked respectively about its axis and a pivot axis parallel thereto and includes first to fourth steps. The substantial part of a stock removal of each cam is removed in the first step wherein the grinding wheel is infed at a rapid infeed rate as the camshaft is rotated at a slow rotational speed. The camshaft is rotated at a high rotational speed in the second step for removing from the cam a part of the stock removal which is to be cut off, but left uncut in the first step. Rotation of the camshaft at the high rotational speed is continued while the grinding wheel is infed in the third step for removing a grinding crack layer from the cam. Finally, the fourth step is carried out, wherein for finish grinding, the grinding wheel is infed against the cam rotating at a slow rotational speed.
REFERENCES:
patent: 4019288 (1977-04-01), Moritomo
patent: 4094105 (1978-06-01), Hatanaka et al.
patent: 4118900 (1978-10-01), Moritomo
patent: 4299061 (1981-11-01), Parnum
patent: 4528781 (1985-07-01), Koide et al.
Komatsu Yuichiro
Maruyama Toshio
Rose Robert A.
Schmidt Frederick R.
Toyoda Koki Kabushiki Kaisha
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