Apparatus for controlling the advance of a machine tool toward a

Details Apparatus for controlling the advance of a machine tool toward a Apparatus for controlling the advance of a machine tool toward a

1985-08-16

1987-01-20

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116592, 82DIG9, 364474, 408 10, 409196, B24B 4910

Patent

active

046371699

ABSTRACT:
The advance of a tool toward a workpiece is controlled with two acoustic transducers, one acting as a transmitter and the other as a receiver. The acoustic energy transmitted from the one to the other as the tool and the workpiece approach one another (this continuing until contact between the two elements) is detected and used to control a reduction in the speed of approach. The acoustic energy may be transmitted at a predetermined frequency, modulated or characterized in another manner.

REFERENCES:
patent: 2866301 (1958-12-01), Koulicouitch
patent: 3897659 (1975-08-01), Henry
patent: 3952458 (1976-04-01), Tomita
patent: 4012870 (1977-03-01), Berniere
patent: 4139969 (1979-02-01), Brown
patent: 4428055 (1984-01-01), Kelley

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