Machine for machining spiral cutting edges on cutting tools

Details Machine for machining spiral cutting edges on cutting tools Machine for machining spiral cutting edges on cutting tools

1976-05-28

1977-12-27

Smith, Gary L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 37, 51 48HE, 51219R, 51225, 90 115, B24B 1900

Patent

active

040646572

ABSTRACT:
A machine for machining a spiral cutting edge on an elongate workpiece having a rounded head by moving the workpiece relative to a rotating tool comprises a support unit mounted for vertical translational movement and rotation about a vertical axis. The support unit carries a headstock which can be positioned to make the axis of its workpiece-carrying spindle intersect the vertical axis, and a device for helicoidally driving the headstock spindle. The support unit rests on an inclined ramp surrounding the vertical axis and along which the unit can roll to helicoidally move the headstock for spirally machining a cutting edge into the rounded end of the workpiece. Thereafter a spiral cutting edge is machined into the cylindrical shaft of the workpiece, smoothly continuing the rounded, spiral edge.

REFERENCES:
patent: 1759196 (1930-05-01), Jackson
patent: 2449179 (1948-09-01), Scharping
patent: 2574111 (1951-11-01), Kopec
patent: 3623277 (1971-11-01), Bottcher
patent: 3813823 (1974-06-01), Southland
patent: 3851563 (1974-12-01), Habib

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