High-precision equipment

Details High-precision equipment High-precision equipment

1987-04-17

1988-11-15

Weidenfeld, Gil

Gear cutting, milling, or planing

Milling

Including means to infeed rotary cutter toward work

408 10, 408 13, 409193, B23Q 1524

Patent

active

047845414

ABSTRACT:
A high precision processing equipment includes a contactor provided in a numerical control processing unit and moved in a direction parallel to a spindle, so that the contactor is brought into contact with a workpiece or its support member during feeding motion of the spindle so as to define a positional relationship between the contactor and the spindle. When a magnetic-electric converting element attached to the contactor is opposed to a magnet on the spindle during feeding movement of the spindle, the element detects movement of the magnet, and a resulting detection signal is used to obtain a positional relationship between the spindle and a workpiece, i.e. the starting position of a subsequent processing motion during activation of the processing unit.

REFERENCES:
patent: 3605909 (1971-09-01), Lemelson
patent: 3963364 (1976-06-01), Lemelson
patent: 4118139 (1978-10-01), Lemelson

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