Machine tool with pulsating cutting force

Details Machine tool with pulsating cutting force Machine tool with pulsating cutting force

1978-12-06

1981-04-14

Briggs, William R.

Gear cutting, milling, or planing

Milling

Including means to infeed rotary cutter toward work

409141, 409156, B23C 900, B23Q 502

Patent

active

042616751

ABSTRACT:
The cutting force applied between the cutting tool and the workpiece of a machine tool is periodically pulsated to expedite removal of material from the workpiece. The periodic cutting force pulsation is produced by periodically varying the spindle speed or the feed rate or both. In one embodiment, the periodic speed variation is produced by universal joints in the spindle drive and worktable drive. In a second embodiment, the periodic speed variation is produced by elliptical gears in the spindle drive and worktable drive.

REFERENCES:
patent: 2309637 (1943-02-01), Fickett et al.
patent: 2891426 (1959-06-01), Martin et al.
patent: 3504581 (1970-04-01), Weichbrodt et al.
patent: 4052132 (1977-10-01), Oates
patent: 4056137 (1977-11-01), Morasch

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