Method of grinding a curved corner portion

Details Method of grinding a curved corner portion Method of grinding a curved corner portion

1982-07-08

1985-04-16

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51327, B24B 100

Patent

active

045107190

ABSTRACT:
A method of grinding a curved corner portion of a workpiece by a grinding wheel having a curved edge surface whose radius is smaller than that of said curved corner portion. The grinding wheel is movable along a path extending at an acute angle to the axis of rotation of the workpiece. First, the grinding wheel is relatively moved to a first grinding start position. Then, the grinding wheel is moved inwardly to an advanced position along the path so as to perform a plunge grinding operation, and is subsequently retracted to the grinding start position. After that, the grinding wheel and the workpiece are relatively moved so as to move the grinding start position to the next grinding start position along a curved arc which is in parallel with the curved corner portion of the workpiece. The above plunge grinding operation is repeatedly performed from each grinding start position thereby grinding the curved corner position.

REFERENCES:
patent: 4337599 (1983-07-01), Koide et al.
Japanese Published Unexamined Patent Application No. 56-3168, filed: Jun. 25, 1979; published: Jan. 13, 1981.
Werkstatt und Betrieb 110 (1977)8, "Einsatz von NC-Rundschleifmaschinen" by Ulrich Vetter, pp. 457-477, particularly Bild 3.
Instruction Manual "Automatic Computer Control Step-Master and Plunge-Master Grinding Systems" having a copyright mark of registration in 1980 by The Warner & Swasey Co., FIG. 1, p. 6-1.

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