Circular saw having an improved tooth geometry and method of mak

Details Circular saw having an improved tooth geometry and method of mak Circular saw having an improved tooth geometry and method of mak

1976-06-17

1977-12-06

Hinson, Harrison L.

Cutters, for shaping

Rotary cutting tool

Having peripherally spaced teeth

407117, 83851, B26D 112

Patent

active

040608808

ABSTRACT:
A cup-shaped wheel having an abrasive rim is employed to grind the teeth of a circular saw to an improved contour. Only point or edge contact takes place between the abrasive rim and the tooth. This technique is preferably utilized in conjunction with triple-chip type circular saws of the sort used to cut metals such as steel. The contour imparted to the cutting surface of the tooth comprises a section of an elliptical cylinder and exhibits improved steel cutting characteristics when compared to prior art multi-faceted saw teeth. Since only edge contact takes place between the abrasive rim and the tooth, the wheel is essentially self-dressing.

REFERENCES:
patent: 2546503 (1951-03-01), Haycock
patent: 2675603 (1954-04-01), Goehle
patent: 2831240 (1958-04-01), Maurer
patent: 3576061 (1971-04-01), Pahlitzsch

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