Process and device for metal spinning

Metal deforming – By use of tool acting during relative rotation between tool... – With modification or control of temperature of work – tool or...

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72 84, B21D 2218

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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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