Z-axis drive assembly

Details Z-axis drive assembly Z-axis drive assembly

1975-08-29

1976-08-17

Simpson, Othell M.

Cutting by use of rotating axially moving tool

Machine including plural tools

Turret of tools

29 46, 74640, 408135, B23B 3420

Patent

active

039751090

ABSTRACT:
A Z-axis drive assembly for a turret machining center incorporates a variable speed DC motor mounted on a vertically adjustable carriage and connected through a harmonic drive unit to rotate a pinion. The pinion forms part of a rack and pinion mechanism, for controlling the vertical elevation of the rack relative to the carriage.

REFERENCES:
patent: 2501177 (1950-03-01), Karweit
patent: 2776584 (1957-01-01), Burg
patent: 3091979 (1963-06-01), Schaeffer et al.
patent: 3187862 (1965-06-01), Musser
patent: 3822961 (1974-07-01), Lay

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