Gear cutting – milling – or planing – Broaching – With means to select cutter or to select or modify cutter drive
Patent
1981-09-16
1983-05-10
Bilinsky, Z. R.
Gear cutting, milling, or planing
Broaching
With means to select cutter or to select or modify cutter drive
407 12, 409262, 409265, 409283, B23D 3714, B23D 4306
Patent
active
043827314
ABSTRACT:
An apparatus is provided for machining a flat surface on a workpiece and comprises an annular frame on which an annular wheel is rotatably mounted around a predetermined axis of rotation. A plurality of circumferentially spaced cutting members are secured to one axial surface of the wheel and preferably these cutting members are broaching tools. At least one, and preferably a plurality of circumferentially spaced workpiece holding fixtures are also mounted to the frame so that each fixture is open to, spaced from and axially aligned with said axial surface of said wheel. Each fixture can hold one workpiece with the surface to be machined adjacent the axial surface of the wheel with the cutting members. The wheel is continuously rotatably driven by a suitable motor at a high rotational speed, i.e. in excess of 200 surface feet/minute, while a feed unit associated with each fixture selectively axially moves its fixture with its workpiece towards the wheel, i.e. in the direction of the stock to be removed whereupon the cutting members engage and machine the desired workpiece surface. Thus, multiple workpieces can be simultaneously machined at high speeds limited only by the strength of the wheel and the power of the motor. In one form of the invention, the workpiece is incrementally fed toward the wheel during each wheel revolution thus incrementally removing stock from the workpiece.
REFERENCES:
patent: Re16903 (1928-03-01), Rose
patent: 1177569 (1916-03-01), Hanson
patent: 2113554 (1938-04-01), Johnson
patent: 2123777 (1938-07-01), Hart
patent: 2317262 (1943-04-01), Dusevoir
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