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Precision Auto Parts
Precision stamping double material and torsion of cause
by：Fortuna
2021-02-05
Using metal stamping die, die cutting precision stamping surrounding remaining material, the method of forming the appearance of salt pieces.
Salt pieces turn makings, distortions of the main reason for the influence of cutting force: as a result of the existence of blanking clearance, material by stretching, in the side of the die material up warping, punch side by compression.
When using stripper plate, using the stripper plate clamp material, to prevent the side of the die material up warping, at this point, the stress of the material of the corresponding change.
With the increase of the unloading slabs the blank material force, the material by the tensile of the convex side;
Compression force decreases and the material is compressed, die surface tensile force decreases.
Stamping parts as the flip of material on the surface of the concave die caused by stretching.
To sum up: when cutting, pressure and pressure material is to prevent the focus of the precision stamping double material and torsion.
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