Gear cutting – milling – or planing – Milling – Process
Patent
1990-11-09
1991-10-08
Briggs, William
Gear cutting, milling, or planing
Milling
Process
409190, 409231, B23C 100, B23Q 520
Patent
active
050549758
ABSTRACT:
A milling machine for cutting a surface on a workpiece and including a milling head assembly having a cutting stroke for cutting the surface of the workpiece and a return stroke to prepare for the next cutting stroke, the milling head assembly including a rotatable spindle structure with a cutter structure mounted to the spindle structure for rotation therewith and being actuable to provide a desired cut on the workpiece surface and a piston and cylinder construction operatively connected with the cutter structure to axially position the cutter structure separately from the spindle structure between an advanced position to provide a desired cut on the workpiece surface and a retracted position relative to the workpiece surface to preclude cutting engagement with the workpiece surface as the cutter structure is moved in opposite directions traversing the workpiece surface and a unique method providing a rough cut on the workpiece surface when the cutter structure is in the retracted position and a finish cut when the cutter structure is in the advanced position and actuating the cutter structure to the retracted position for the return stroke after the finish cut.
REFERENCES:
patent: 3783740 (1974-01-01), Seiberlich
patent: 3823641 (1974-07-01), Seiberlich
patent: 3859001 (1975-01-01), Hoddinott et al.
patent: 3962952 (1976-06-01), Bour
patent: 4271710 (1981-06-01), Brems
patent: 4932288 (1990-06-01), James, Sr.
Habarth Richard A.
Wawrzyniak Walter W.
Briggs William
Practical Engineering, Inc.
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