FIELD: metal forming.
SUBSTANCE: device for cold pressure treatment of tubular elements has two or more cams, each of which has gear wheel, which is in gearing with drive gear for rotation of all cams. Each cam has a cam surface extending around the cam body, which has an area of increasing radius and can have a constant radius area. Each cam also has a traction surface extending around the cam body. Rupture at each cam surface is aligned with clearance in traction surface of each cam. Gaps and gaps provide gap for insertion and removal of tubular element between cams to form circumferential slot when cams rotate.
EFFECT: as a result, the device simplification and reduced operator involvement when processing pipe elements.
57 cl, 17 dwg
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