MULTI-ROLL TABLE RING-ROLLING MILL AS WELL AS METHOD FOR ROLLING RINGS WITH MULTI-ROLL TABLE RING-ROLLING MILL

摘要

PROBLEM TO BE SOLVED: To provide a multi-roll table ring-rolling mill, with which producing of rings with sufficient size accuracy can be guaranteed in a structurally simple manner.;SOLUTION: A multi-roll table ring-rolling mill 10 comprises: at least one main roll (20) rotating about a main roll axle (26); and two mandrel rolls (30) mounted in a mandrel roll table (35) rotating about a mandrel table axle (36), the two axles (26 and 36) being mounted in unchangeable manner and eccentric to one another at least during a rolling process; load relief means (40) acting independent of the eccentricity of the main roll axle (26) and the mandrel roll table axle (36) being provided to relief the milling load of at least one of the mandrel rolls (30); and measurement means (70) for measuring a ring diameter of a milled ring (15).;COPYRIGHT: (C)2016,JPO&INPIT