| 摘要 |
<p>In a ring welding machine, frame means for supporting the following operative means, means for supporting strip stook preparatory to being formed into a ring, means for clamping the free end portion of said strip stock preparatory to forming a blank therefrom, means for forming a blank from said strip stock while the free end portion of said strip stock is clamped in said clamping means, weld gripping means for gripping said formed blank, said clamping means being actuable to unclamp following gripping of said blank by the weld gripping means, means for bending a gripped blank into a substantially circular configuration having the blank ends in opposed relationship preparatory to welding, said weld gripping means being carried by the bending means, micro plasma torch means for welding the opposed blank ends to form a ring, and means for ejecting the welded ring. supp</p> |
