Power spinning spinnability analysis value simulating method

Abstract

The invention discloses a power spinning spinnability analysis value simulating method, which comprises the steps of acquiring technological parameters of a spinning roller, a mold and a panel veneer; calculating coordinates of a reference point MO of the spinning roller before being subjected to spinning forming according to the technological parameters; calculating the locus of the spinning roller according to the technological parameters and the reference point MO of the spinning roller before being subjected to spinning forming; using finite element software to carry out finite element modeling, and drawing grids of the panel veneer according to the obtained technological parameters, the obtained reference point MO of the spinning roller before being subjected to spinning forming and the obtained locus of the spinning roller to obtain a power spinning finite element model; carrying out analog simulation on the obtained power spinning finite element model so as to obtain coordinates of multiple points on the outer generatrix of a workpiece generated by final forming of the panel veneer, and coordinates of multiple points on the inner generatrix on the grids of the panel veneer corresponding to the coordinates; subtracting the corresponding coordinates of the points on the inner generatrix on the grids of the panel veneer from the coordinates of the multiple points on the outer generatrix so as to find out the minimum difference of the two coordinates to be used as the minimum thickness of the panel veneer. The power spinning spinnability analysis value simulating method can be used for guiding power spinning production and has the characteristics of low cost, high efficiency and short period.

Description

technical field [0001] The invention belongs to the technical field of plastic forming, and more specifically relates to a spinability analysis numerical method of powerful spinning. Background technique [0002] Spinning forming is one of the plastic forming processes with a long history. Spinning forming is to use the rotary wheel to apply pressure to the rotating blank, so that it can produce continuous local plastic deformation and form various symmetrical thin-walled rotators and Plastic processing methods for pipe fittings. At present, it has become a priority forming process in the processing of rotary parts. Compared with other forming methods, it has a series of advantages such as good processing flexibility, simple equipment, high product quality, and easy realization of product lightweight and flexibility. Therefore, , The spinning forming method occupies an important position in the fields of metal precision processing technology such as aviation, aerospace and ...

AI Technical Summary

Problems solved by technology

However, at present, there are few studies on spinability, which are relatively rare at home and abroad, which leads to the problem that the material is prone to wrinkling and cracking during the spinning process.

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