Point heat source composite formation method for bending
A compound forming and bending point technology, applied in the field of sheet metal structural parts, can solve the problems of leaving damage on the surface of the workpiece, difficulty in manufacturing automation, etc., achieve good shapeability, overcome damage or even destruction of formed parts, and reduce deformation resistance.
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[0013] The present invention can be divided into two working schemes of forming and fine adjustment. The so-called forming scheme is to input a point heat source energy to the difficult-to-deform part of the part while bending (rolling) forming. When this method is used for forming, the thermal energy converted from the energy of the point heat source can not only reduce the deformation resistance of the material in the action area of the point heat source, but also assist the forming of the part through the non-uniform thermal stress field established in the thickness direction of the part, so it can significantly improve the above-mentioned The amount of bending forming of formed parts as well as forming efficiency and forming accuracy. Hard-to-deform parts can be obtained by computer simulation of formed parts. The so-called fine-tuning scheme is to input point heat source energy into the corresponding elastic internal energy concentration area for parts that are formed ...
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