Grinding method of rounded annular corner on workpiece

Details Grinding method of rounded annular corner on workpiece Grinding method of rounded annular corner on workpiece

1985-03-15

1986-10-28

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51327, B24B 100

Patent

active

046190830

ABSTRACT:
A method of grinding a rounded annular corner formed between a cylindrical portion of a workpiece and a shoulder portion adjacent to the cylindrical portion, an apex portion of a grinding wheel is first positioned at a starting point to be in contact with a surface of the rounded annular corner and is subsequently moved along the surface of the rounded annular corner from the starting point to a terminal point where the shoulder portion is ground by the grinding wheel. During the movement of the grinding wheel from the starting point to the terminal point, the surface of the rounded annular corner is ground by the apex portion of the grinding wheel. When moved to the terminal point, the apex portion of the grinding wheel is retracted radially outwardly from the terminal point to an escape point where the apex portion is spaced from the outer periphery of the shoulder portion. Subsequently, the apex portion of the grinding wheel is returned in a reverse direction from the escape point to the terminal point and is further moved along the ground surface of the rounded annular corner toward the starting point.

REFERENCES:
patent: 4337599 (1982-07-01), Koide et al.
patent: 4510719 (1985-04-01), Yoneda et al.
Werkstatt und Betrieb 110(1977)8, "Einsatz von NC-Rundschleif-Maschinen," by Ulrich Vetter, pp. 475-477, particularly Bild 3.
Instruction Manual "Automatic Computer Control Step-Master and Plunge-Master Grinding Systems," by the Warner & Swasey Co., FIG. 1, pp. 6-1.

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