ULTRA-HIGH SPEED STRAIGHTENING METHOD OF WIRE ROD AND WIRE ROD STRAIGHTENER OF ROTARY DIE TYPE

摘要

PURPOSE:To reduce centrifugal force, weight and size and to enable considerable increase in the number of revolutions of a spinner by constituting the spinner body in such a way that all the circumferential positions centroids over the entire axial length of the spinner body exist on a revolving shaft. CONSTITUTION:The position centroid of a straightening die device C0 exists on the revolving shaft O of a spinner when a straightening die 3 is mounted and fixed into a pushing hole 4 of which the axial line X of the guide path 31 for a wire rod is required to be set coaxially with the shaft O. The die 3 is displaced and positioned by screwing relatively oppositely tap bolts 6 and 6b screwed to the internal screw 5 of the hole 4 in the case of mounting and fixing said die into the hole 4 which is required to be set eccentrically at a prescribed value. The outside side faces of the arm parts 81, 81 of a U-shaped member of which the screw hole is screwed to the adjusting screw 602 of the bolt 6a are brought into contact with the plane wall 41 of the hole 4 and therefore the U-shaped member is regulated in turning and is displaced in the direction opposite from the screwing direction of the bolt 6a. The displacement of the U-shaped member acts as a balance weight and the position of centroid of the device C0 is thus maintained on the revolving shaft.