Tool load sensor and control circuit

Details Tool load sensor and control circuit Tool load sensor and control circuit

1976-01-30

1978-12-12

Schaefer, Robert K.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

408 6, H01H 3524, H01H 4500

Patent

active

041297890

ABSTRACT:
A machine control circuit in which the sharpness of a machine tool cutting edge is sensed as a function of the pressure in a hydraulic tool-feed cylinder, and in which the machine is automatically de-activated for tool inspection after a pass is completed when the feed pressure reaches a preselected level.

REFERENCES:
patent: 2978689 (1961-04-01), Tech et al.
patent: 3299697 (1967-01-01), Sparling
patent: 3625622 (1971-12-01), Wright
patent: 3720120 (1973-03-01), Cutler
patent: 4025218 (1977-05-01), Logan et al.

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