Method for judging setting of draw-bead in part drawing and moulding
A technology of drawbeads and parts, applied in the field of drawbead setting and judgment, can solve the problems of time-consuming, etc., achieve the effect of less calculation, eliminate wrinkling phenomenon, and fewer steps
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[0017] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0018] For such as figure 1 For the products shown or similar products, the cross-sections of some different positions are quite different, so there are different inflows. If there is no treatment, if the inflow difference is too large, the formed product will appear wrinkled. One of the processing methods is to set up drawbeads to artificially adjust the flow of materials through drawbeads, so that the difference in inflow at different sections becomes smaller and wrinkling is avoided. The present invention provides a kind of judging method for quickly determining the setting quantity of drawbeads, which comprises the following steps:
[0019] (1) First determine the two sections with large cross-section differences, and the distance between the two sections is L; the selection of the cross-section is determined based on experience, for example, in a place where t...
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