| 摘要 |
A mold for equal channel angular pressing contains a split casing with a pair of adjacent channels of identical cross section with additional element from wear-resistant material; moreover the additional element from wear-resistant material is made in the form of two variable, internal and external, walls of input channel, which are located in the place of the passage of adjacent channels, with possibility of their change in two mutually perpendicular directions, moreover the first is internal wall, and then - external wall, in the case the joint of casing is made along the mold, which is fastened in a known manner, for example by pins. |
