Cutting – Tool engages work during dwell of intermittent workfeed – Means to change tool position – or length or datum position...
Patent
1996-10-03
1999-06-15
Rachuba, M.
Cutting
Tool engages work during dwell of intermittent workfeed
Means to change tool position, or length or datum position...
83241, 83267, 83245, 298983, B26D 520
Patent
active
059118067
ABSTRACT:
A groove stamping machine stamps the required grooves successively into a disk-shaped blank particularly for manufacturing stator and rotor plates for electric machines. The groove stamping machine has a stationary bench which, on the end side, carries a spacing apparatus for receiving the blank. A stamping device disposed on the bench is adjustable with respect to the spacing apparatus. The distance between the spacing apparatus and the stamping device can be adjusted by a ball thread spindle which acts between the spacing apparatus and the stamping device. The fixing of an adjusted distance takes place by the blocking of the ball thread spindle, preferably by way of a disk brake. The stamping device is disposed via a combined roller slide bearing on the bench which permits a low-friction displacement of the stamping device which also supporting the latter in a stiff manner. The combination of the low-friction bearing device and the ball thread spindle, which is preferably arranged close to the blank, permits a precise adjustment and constant maintenance of the desired machining radius. The precision and the compensation of temperature fluctuations also results from the ball thread spindle being preferably arranged in an exposed manner, that is, in a thermal contact with the environment.
REFERENCES:
patent: 3890863 (1975-06-01), Reihle et al.
patent: 3906826 (1975-09-01), Middendorf
patent: 4434693 (1984-03-01), Hosoi et al.
patent: 4516447 (1985-05-01), Schneider et al.
patent: 4602541 (1986-07-01), Benzinger et al.
patent: 4879894 (1989-11-01), Benedict et al.
Bareis Alfred
Elsasser Helmut
Kurz Otto
Muhlhauser Wolfgang
Pick Gerhard
Rachuba M.
Schuler Pressen GmbH & Co.
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