A kind of integral forming process method of thin-walled annular rib cylindrical part
A technology of integral forming and process method, applied in the field of forming and manufacturing of sheet metal parts, can solve the problem of inability to achieve local deformation self-adjustment, etc., and achieve the effect of improving integrity and reliability, weakening restrictive effects, and improving dimension accuracy.
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[0048] combined with Figure 1-10 , to further describe the present invention:
[0049] 1. Mold operation preparation,
[0050] a, make mold, mold is made up of upper mold 1, lower mold 4 and sealing punch, mold cavity is divided into feeding zone, bulging zone, and sealing punch comprises left punch and right punch, and above-mentioned is the same as prior art , which will not be described here, an overflow hole 8 is set at the part corresponding to the bulging area of the mold and the reinforcing rib, such as figure 1 , Figure 1.1 , Figure 1.2As shown, the number and diameter of the overflow holes depend on the bulging amount of the component and the height-thickness ratio of the reinforcement. The design principles are as follows: the bulging amount is greater than 15%, the number of overflow holes should be no less than 20, and the cross-sectional area It is not easy to exceed 5% of the initial ribbed tube blank cross-sectional area; the height-thickness ratio ...
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