Tool driving or impacting – Means to drive tool about an axis – Relatively fixed drive for an advancing tool
Patent
1989-11-30
1992-02-25
Rosenbaum, Mark
Tool driving or impacting
Means to drive tool about an axis
Relatively fixed drive for an advancing tool
408137, B23Q 532
Patent
active
050904892
ABSTRACT:
Machining unit for machine tools with several machining stations with a tool spindle (4), which is accommodated longitudinally displaceably on the inside of a displacement unit (1) which consists of a hollow threaded spindle (5) and a threaded nut (6) with associated sleeve (8). The tool spindle (4) is mounted rotatably on the front side in the threaded nut but is not displaceable axially in relation to the threaded nut (6). On the driving side the tool spindle is formed as a slotted shaft (35) which is, for example, in a work connection with a hub-like toothed wheel (24) which is rotatably but not axially displaceably mounted in the body (2) of the machining unit (1). The threaded spindle (5) is mounted rotatably but not axially displaceably on the inside of the machining unit (1) and is drivable via a motor (23) which is drivable in both directions of rotation.
REFERENCES:
patent: 3126766 (1964-03-01), Bent
patent: 3640147 (1972-02-01), Fantoni
patent: 3885635 (1975-05-01), Menzel
patent: 4201271 (1980-05-01), Evans
patent: 4362444 (1982-12-01), Watkins
patent: 4450857 (1984-05-01), Baug et al.
patent: 4546834 (1985-10-01), Menzel
Porta S.r.l.
Rosenbaum Mark
Smith Scott A.
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