Method and die for the production of the end of a flexible shaft, the end having a polygonal cross-section and being twisted over a certain length

摘要

To produce the end of a flexible shaft formed by a plurality of layers of wire applied one upon the other in a spiral, the said end being polygonal in cross-section and twisted over a certain length, the flexible shaft (1) is worked in a hammering machine known per se, the hammering jaws (4) are of identical design and have skew hammering surfaces (6, 7). <IMAGE>