Method and apparatus for grinding the teeth of a circular saw to

Details Method and apparatus for grinding the teeth of a circular saw to Method and apparatus for grinding the teeth of a circular saw to

1975-01-13

1976-06-22

Smith, Al Lawrence

Metal tools and implements, making

Saw-making or furbishing device or machine

Sharpening and gumming

51 73R, 76112, B23D 6314, B24B 340

Patent

active

039643492

ABSTRACT:
A cup-shaped grinding wheel having an abrasive inner rim is brought into grinding contact with a tooth of a circular saw. The angle of attack of the grinding wheel is such that it imparts a second surface to the face of the saw tooth. The second generated surface has a continuous curved contour and a more negative average rake angle than the remaining portion of the face of said tooth. The apparatus and method are especially adapted to grinding the carbide tipped teeth of steel cutting saws but this technique may be used on other saw blades. Movements of the machine elements are automatically governed by a programmed electronic unit which, in turn, controls a system of hydraulic pistons.

REFERENCES:
patent: 1771602 (1930-07-01), Armstrong
patent: 2874517 (1959-02-01), Markle
patent: 2958240 (1960-11-01), Segal
patent: 3304810 (1967-02-01), English
patent: 3313185 (1967-04-01), Drake et al.
patent: 3616711 (1971-11-01), Daggett
patent: 3766806 (1973-10-01), Benner

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