TUBE WORKING METHOD AND APPARATUS FOR PERFORMING THE SAME Russian patent published in 2006 - IPC B23B1/00 B23B5/08 

FIELD: working metals by cutting, working tube blanks for lowering their wall thickness difference before rolling, finishing non-rigid tubes.

SUBSTANCE: method comprises steps of working outer surface of rotating tube whose one end is fastened in floating chuck of front drive center of machine tool. Said tube is placed onto mandrel arranged in front of cutting tool and moving simultaneously with it along axis of worked article. Blade type tool is used for working in order to enhance working efficiency. Position of worked part in radial direction is stabilized by means of hold-down rollers. Apparatus for performing the method includes front drive center with floating chuck and unit that may move along guides in direction of forming dimensions and on which in one plane normal to axis of worked tube cutting tool and mandrel are mounted. In plane of mounting cutting tool such as blade type tool and mandrel, hold-down rollers are mounted in addition.

EFFECT: enhanced efficiency of working.

2 cl, 3 dwg