Method for the manufacture of die-forged or die-stamped workpiec

Details Method for the manufacture of die-forged or die-stamped workpiec Method for the manufacture of die-forged or die-stamped workpiec

1990-08-31

1992-01-21

Albritton, C. L.

Electric heating

Metal heating

By arc

21912172, B23K 2600

Patent

active

050830082

ABSTRACT:
The invention relates to a method for the manufacture of die-forged or die-stamped workpieces, in which, after the stamping or forging process, the burr on the rough workpiece is removed, and the rough workpiece is machined at least at the functional faces, and subsequently heat-treated to achieve a structural change in the material. In order to eliminate some of the machining steps and thereby achieve a faster and less expensive manufacture of the workpiece, a trajectory laser is used to remove the burr on the rough workpiece. The removal of the burr is preferably carried out after the heat-treatment of the rough workpiece, whereby the laser also produces the functional faces of the rough workpiece in the same manufacturing step.

REFERENCES:
patent: 3835912 (1974-09-01), Kristensen et al.
patent: 4081655 (1978-03-01), Gale
patent: 4159686 (1979-07-01), Heim
patent: 4473735 (1984-09-01), Steffen
VDI-Z bd. 129 (1987) No. 6-Jun., Helmut Huber, pp. 55-59.

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