SPRING SPINNING TOOL FOR ROLLING THIN-WALL HOLLOW ARTICLES Russian patent published in 2010 - IPC B21D22/16 

FIELD: process engineering.

SUBSTANCE: invention relates to metal forming, particularly to forming relief on thin-wall articles and for rotary moulding and spinning. Proposed tool comprises roller fitted on axle in holder made up of two disks with spinning toll arranged there between. Note here that one disk is fitted on axle while the other one seats thereon to axially move and fixed. Both disks can revolve together. Note also that said spinning toll consists of coil spring made from metal strip with spring properties so that spring turns adjoin each other without clearance while roller axle is arranged in the holder to revolve unobstructed therein. Said spinning tool is arranged between said disks.

EFFECT: expanded performances, higher quality and efficiency of processing.

5 dwg