| 摘要 |
A tubing swaging machine comprising four coplanar hydraulic cylinders which compress the end of a piece of tubing around a central mandrel. The central mandrel has indentations and is reciprocated by a fifth hydraulic cylinder perpendicular to the plane of the other four cylinders. Each of the four coplanar hydraulic cylinders reciprocate a die which has a surface corresponding to the indentation in the mandrel opposite.
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