UNIT OF SPINNING ROLLS FOR ROTARY BURNISHING OF BILLETS Russian patent published in 2011 - IPC B21D22/16 

Abstract RU 2409441 C1

FIELD: process engineering.

SUBSTANCE: invention relates to metal forming, particularly to devices intended for rotary burnishing and spinning. Unit of spinning rolls consists of two rolls fitted on one axle and separated by spacing ring. Said rolls feature profile consisting of three sections, i.e. starting, squeezing, burnishing and gauging cylinder. Note here that said starting section is made on one roll rigidly fitted on the axle with forced rotation. Said roll needle surface is made from metal wire frieze bunches with preset front angle. Second roll running free in axle bearings has spinning section arranged at preset angle and burnishing section with preset angle separated by gauging cylinder that represents a sine tape.

EFFECT: expanded process performances, higher quality and efficiency.

5 dwg

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RU 2 409 441 C1

Authors

Stepanov Jurij Sergeevich

Kirichek Andrej Viktorovich

Mal'Tsev Anatolij Jur'Evich

Zajtsev Aleksej Ivanovich

Afanas'Ev Boris Ivanovich

Fomin Dmitrij Sergeevich

Tarasov Dmitrij Evgen'Evich

Samojlov Nikolaj Nikolaevich

Dates

2011-01-20Published

2009-04-21Filed