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Stamping engineer analysis: the wall of deep drawing pieces are cracking at the bottom of the causes and prevention, can collect

by:Fortuna     2021-01-31
Has 18 years experience in stamping deep drawing parts design and production engineers said to the author, conical or straight wall form deep drawing parts, how many are in the process of production of wall and bottom are broken, he summarizes some experience to share: stamping deep drawing parts when making wall break down, may be material in deep drawing of radial tension is too large, concave die fillet radius is too small, or drawing lubrication degree is not enough, caused by poor plastic raw materials, comprehensive analysis, we can draw can be a solution: 1, reduce the pressure force; 2, increasing the die fillet radius; 3, make deep drawing parts can be the proper use of lubricant; 4, choose the material plastic or increasing annealing process; And stamping at the bottom of the deep drawing parts is broken, can cause is the cause of die radius is too small, the material is in a state of being cut; We can increase the die fillet radius, make it smooth, the surface roughness Ra < 0. 2um; The above article is derived from the metal stamping parts, automotive stamping parts processing customized 18 years, reprint please indicate the source. 【 Relevant recommendation 】 Details: how much do you know the new energy automotive stamping parts? Details: sharing details of stamping processing industry: precision metal stamping parts figure how to draw, please be aware that this several steps
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