Mould for equal channel angular extrusion

摘要

A mould for equal channel angular extrusion contains a split casing with a pair of adjacent channels of identical cross section with additional element from wear-resistant material, which is made in the form of a changeable external wall of inlet channel, which is located along the inlet channel to the place of passage of adjacent channels and which can be replaced from the side of inlet channel, without dismantling the mould, in the case the joint of housing is made along the mould, which is fastened in a known manner, for example by pins. Furthermore, in the additional element a heater is located in the area of connection of channels.