METHOD OF ELASTIC SPINNING Russian patent published in 2011 - IPC B21D22/16 

Abstract RU 2416478 C1

FIELD: process engineering.

SUBSTANCE: invention relates to metal forming, particularly, to rotary drawing of cylindrical shells, hollow articles and, to spinning. Spinning tool is revolved about its axis, fed in lengthwise and crosswise directions to drive into billet. Note here that spinning toll represents a disk with its face accommodating spinning roll with its working edge made up of coiled hollow tube. Note also that concentric needle rings are secured on said disk to adjoin spinning roll that are made up of metal wire frieze bundles. Note that spinning element is fixed on moving rotary part, i.e. rotor of end face induction motor that comprises stator with coiled magnetic circuit. Magnetic circuit grooves house m-phase primary. Said motor comprises also rotor with coiled magnetic circuit with short-circuited secondary fitted in its grooves. Axes of spinning tool and machined billet are located mutually perpendicular. Said billet is mounted on centers to be revolved by spinning tool due to friction forces.

EFFECT: expanded processing performances, higher quality and efficiency.

5 dwg

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RU 2 416 478 C1

Authors

Stepanov Jurij Sergeevich

Kirichek Andrej Viktorovich

Mal'Tsev Anatolij Jur'Evich

Afanas'Ev Boris Ivanovich

Samojlov Nikolaj Nikolaevich

Fomin Dmitrij Sergeevich

Tarasov Dmitrij Evgen'Evich

Burtsev Vasilij Sergeevich

Dates

2011-04-20Published

2009-10-16Filed