Turning – Process of turning
Patent
1986-09-09
1988-08-09
Schmidt, Frederick R.
Turning
Process of turning
82 12, 82 2A, B23B 326
Patent
active
047620374
ABSTRACT:
The apparatus has a drive hub with a fixing pin and driving flange. A cross slide carrying a tool is displaceably guided in the flange. Displacement takes place by a guidance roller, which fits into a guidance groove of a planetary web of a planetary gear constructed as a cam plate. Together with a further similar planetary gear, the first planetary gear forms a planetary power split transmission, on which is superimposed the rotary movement of an annular motor. As a result of the rotary movement of the cam plate with the guidance groove the displacement of the cross slide is brought about. Using an envelope drive, the rotary movement of the motor is transferred to a tachoalternator with a pulse generator. The pulses of the pulse generator are processed in a processor, which controls the motor and therefore the displacement movement of the cross slide. Compared with known apparatuses, the apparatus is characterized in that the motor housed in annular manner in the casing and the transmission constitute an independent unit requiring no additional drive parts outside the apparatus.
REFERENCES:
patent: 3710659 (1973-01-01), Pagella et al.
patent: 3744352 (1973-07-01), Scholl
patent: 4411178 (1983-10-01), Wachs et al.
patent: 4573379 (1986-03-01), Bald
patent: 4573380 (1986-03-01), Bald
patent: 4599769 (1986-07-01), Latzko et al.
patent: 4612834 (1986-09-01), Wheeler
K. R. Pfiffner Engineering
Schmidt Frederick R.
Terrell William E.
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