General design method of extrusion die
In this paper, the simulation software of 3d volume forming is used to simulate the hot extrusion process of the casing fork.
The establishment of the basic model of rigid viscoplastic finite element model the establishment of the bifurcation forgings of the casing fork is a symmetrical long axis forgings, which is very difficult to form in one time.In the two-step process, in order to guarantee the accuracy of the simulation results, the field variables of the deformed body were inherited before and after the forming process.
The basic model parameters are set, and the model material is steel. In the simulation process, American brand e is adopted, and the preforming heating temperature DPLPd is set. The influence of the hot extrusion punch structure of the final forming temperature of the sleeve fork on the final forming is studied.The phenomenon of filling at the top and bottom of the fork is analyzed deeply.The production practice shows that this special punch structure can reduce material consumption, improve the service life of the mould, improve the dimensional accuracy and mechanical properties of the product.
Conventional extrusion mold design method improved design scheme of the main jade introduction with the continuous development of aluminum industry application, in recent years, the market for aluminum in surface quality of the cross section shape dimension tolerance, etc, have more and more strict requirements, as a designer, in the case of considering these factors, but also different schemes for extrusion mould processing mould management cost of production scrap rate and the influence of these aspects such as the stability of the final performance.