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Stamping parts in small or large size problem

by:Fortuna     2021-02-01
May encounter in the daily operation of stamping parts, punching scale small or large, Perhaps across to standard begged) And the situation with punch scale is large, in addition to the contemplation of forming convex and concave die design scale, the machining accuracy and blanking gap into especially, also thought from the following several aspects to the management. 1, when cutting the onset of a flash. To research cutting edge, and pay attention to check the blanking gap is reasonable. When bending caused by the instability of stamping parts. Main needle for U and V bending. Deal with the problem of stamping parts before bending of guide, the guide, in the process of bending and bending process of medium pressure live data to avoid stamping parts during the course of bending slide is the key points to solve the problem. When cutting the onset of a flash. To research cutting edge, and pay attention to check the blanking gap is reasonable. 2, cutting blade wear, profile and tensile stress increases, double stamping attack, distortion tends to increase. Attack way, punching dimension will be small. On the crush, the data of plastic deformation data attack, can lead to punching scale is large. And reduce pressure, punching dimension will be small. 3, punch edge end shape. As end slope or arc, the blanking force, salt pieces is used as material, slander, therefore, punching scale will become big. And punch end plane ( No cant or arc) When punching can be relatively small. In the detailed operation practice, detailed analysis should be done according to detailed title problem, then find out the countermeasures to solve the problem.
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