Processing method and die for shaft sleeve used for automobile steering transmission mechanism
A technology of steering transmission and processing methods, applied in the direction of forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of wall thickness reduction, high scrap rate, thickening, etc., and achieve the effect of avoiding wrinkles
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[0020] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand and understand, the present invention will be further explained below in conjunction with specific embodiments.
[0021] See figure 2 , The automobile steering transmission mechanism shaft sleeve 100 is a cylindrical part with flanges 110 and 120 at both ends. Its inner diameter is Φ38_0.2mm. The outer diameter of the flanges 110 and 120 is Φ53+1.5mm. The angle between the sides 110 and 120 and the outer cylinder wall is 90°. The wall thickness of the entire cylinder wall is 2.5±0.2mm. The flange sides 110 and 120 and the inner cylinder wall adopt R3.5±0.3mm transition. The height of the shaft sleeve 100 of the steering transmission mechanism of the automobile is 40_0.2mm.
[0022] To this end, the automobile steering transmission mechanism sleeve 100 adopts such as figure 1 The seamless steel pipe shown as the material of E235+N is used as the parent ...
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