| 摘要 |
The riveting head according to the invention includes, at the end of the rotary drive shaft 2, a sleeve tube 3, an inner sleeve tube 5 inclined on the sleeve tube 3 at an angle A and a riveting-head (-die) holder 7 inclined on the sleeve tube 5 at an angle B. The angle of the riveting head (die) 6 with the axis 3a of the sleeve tube 3 is adjustable by indexing the position of the sleeve tube 5 around its axis 4a. <IMAGE>
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