YB-21-59 Coiler Mandrel

The main parts of this mandrel: spindle, sector plate, sliding sleeve, oblique wedge, jaw sector plate with end cover shaft of the movable support head. The main parts of this mandrel manufactured by our company: sector plate, spindle, etc. are alloy forgings of 42CrMo, qualified by flaw detection - rough machining - flaw detection - tempering - semi-finishing - aging - finishing. Finishing, grinding and assembly according to the requirements of the drawings.