Automatic mica undercutter

Details Automatic mica undercutter Automatic mica undercutter

1985-08-19

1987-03-31

Bilinsky, Z. R.

Gear cutting, milling, or planing

Milling

Including means to infeed rotary cutter toward work

409147, 409176, 409197, 29 27B, B23C 126

Patent

active

046539654

ABSTRACT:
An improved machine for undercutting the commutator of a DC motor. Designed specifically to undercut the mica insulation slots of a commutator, the device includes drive means to allow slippage of an undercutting assembly so that saw and spindle assembly damage are avoided. The invention also incorporates an automatic skewing attachment which indirectly senses misallignment of mica slots to be undercut and acts to reposition the commutator as needed so that the mica slot undercutting process may continue.

REFERENCES:
patent: 1928697 (1933-10-01), McFarland et al.
patent: 2400933 (1946-05-01), Johnson et al.
patent: 4131837 (1978-12-01), Whetham
patent: 4222692 (1980-09-01), Paulousky

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