Cutting tool having positioning means

Details Cutting tool having positioning means Cutting tool having positioning means

1987-03-30

1989-02-28

Schmidt, Frederick R.

Turning

Severing or cut-off

Interrelated means for tool infeed and circumrotation

82 21A, 82 27, 5116585, B23B 2300

Patent

active

048075019

ABSTRACT:
A tailstock body of a numerically controlled lathe is positioned by a hydraulic rotary motor at a desired position to have a quill center of the tailstock body engage one end of a part or workpiece. The positioning of the tailstock body is by a programmable controller of a numerical control receiving signals for an encoder attached to the hydraulic rotary motor.

REFERENCES:
patent: 2493475 (1950-01-01), Casella
patent: 3585759 (1971-06-01), Andreson
patent: 3858053 (1974-12-01), Burnett
patent: 3919614 (1975-11-01), Wespi
patent: 3921479 (1975-11-01), Katz
patent: 4099432 (1978-07-01), Champeau
patent: 4621551 (1986-11-01), Silverman
patent: 4669359 (1987-06-01), Shiba

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