Process and device for metal spinning

Details Process and device for metal spinning Process and device for metal spinning

1991-10-24

1993-06-15

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

With modification or control of temperature of work, tool or...

72 84, B21D 2218

Patent

active

052188493

ABSTRACT:
A process and a device for metal spinning a blank into a formed part, especially into a vessel bottom, are described, which can be used for forming materials including materials which are difficult to deform, with high dimensional accuracy and/or high degrees of deformation. For attaining this object, the blank is clamped on its circumference and forced freely, i.e. without using a spinning chuck, into a clearance by means of a motion-controlled spinning tool until its finished dimension is reached.

REFERENCES:
patent: 2408596 (1946-10-01), Bednar et al.
patent: 4058998 (1977-11-01), Franek et al.
Lehrbuch der Umformtechnik, Herausgegeben von Kurt Lange, Berlin Heidelberg, NY 1975, pp. 262-263.
Russian Language Book (reference 2) pp. 70-74.
The Tool and Manufacturing Engineer, "Hot-Roll Spinning Controls Wall Thickness", P. C. Sun, pp. 93-94.

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