Tool driving or impacting – Advance causing or controlling means – Rotary drive and advance originate from same mechanical element
Patent
1978-07-10
1980-05-06
Feldbaum, Ronald
Tool driving or impacting
Advance causing or controlling means
Rotary drive and advance originate from same mechanical element
408137, B23Q 5027, B23Q 5033
Patent
active
042012716
ABSTRACT:
A quill drive comprising a housing adapted for mounting on machine tools. A quill is slidably mounted in a longitudinal bore in the housing, and is longitudinally positioned by a ball screw. The ball screw is driven for longitudinal positioning of the quill by a variable speed, reversible motor. The quill rotatably supports a spindle for driving various cutting tools. The spindle is advanced longitudinally by the quill and is rotatably driven by a second motor. The quill drive can be used singly or in a multiple arrangment on transfer machines or other automatic equipment. The unique design has fewer parts resulting in a simple reliable, relatively inexpensive device which is compact and easy to use. A relatively simple modification of the gear box converts the quill drive into a drive for tapping threaded holes.
REFERENCES:
patent: 2768539 (1956-10-01), Wollenhaupt
patent: 2905440 (1959-09-01), Gerentes
patent: 3160033 (1964-12-01), Moyer
patent: 3640147 (1972-02-01), Fantoni
patent: 3711212 (1973-01-01), Kuck
patent: 3740161 (1973-06-01), Milewski
patent: 3859001 (1975-01-01), Hoddinott et al.
patent: 3885635 (1975-05-01), Menzel
patent: 3955629 (1976-05-01), Turner
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