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Metal stamping parts share flanging process standards

by:Fortuna     2021-02-01
Today the author with everybody to know about the metal stamping mould 'flanging process', what is the flanging process? We are processed in advance of metal stamping hole or part of the groove on the wool ( Sometimes don't advance processing hole) , depending on the material stretching deformation along a curve into the edge of the vertical stamping method, is called 'flanging, metal salt of subsection round hole flanging and turn over to the outer edge. Because it is through the stretch forming of materials, therefore its forming mainly restricted by material elongation size. Are mainly used for riveting of flanging, holes, tapping, etc. Metal stamping mold and calculation formula of round hole flanging and related technical requirements data is as follows: formula: d = 0. 5 to 0. 6 t; Is inversely proportional to the value of d and H, d value hours, H value is big. D = D1 + ( D - D1) = D1 + 1。 3 t; In order to ensure the verticality of flanging D, in the general case D D1 + 1 or less. 3T。 H = + 0。 43 r + 0, 72吨; Flanging height H ( Depends on the flanging metal volume) Usually is 1. 7 t ~ 1。 9 t。 L = + 2。 5 t; M for the thread specification. Formula for pre punching diameter d a flanging hole diameter D1 / punch punch a flanging vertical edge diameter (D2 According to the center layer calculation) H a D a flanging hole diameter hole flanging height R radius/within a flanging die outer radius hole center distance L a double side T a small thread hole flanging material thickness data is as follows: metal stamping process requirements: metal stamping hole flanging height H p 3 p; P for the thread pitch. Flanging in the plane of the same pitch tolerance of plus or minus 0 or more. 15. Do not recommend using T = 1. 5 mm stainless steel for the M3 flanging, T = 2. Stainless steel for the M4 flanging of 0. Aluminum plate flanging should consider when tapping screw can withstand the force. Flange flanging is concave convex contour flanging and flanging of two types; Outer convex contour of flanging also calls the compression type of flanging, concave contours of flanging, also known as stretch flanging. Note: R a radius after flanging parts; b - Flanging radius before and after flanging of the radius of the poor; R + b, R - B a flanging parts before, Blank) The radius of the 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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