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Precision company requirement for precision metal stamping parts material

by:Fortuna     2021-02-06
Precision metal stamping parts of material surface and inner of stamping performance has great influence on the quality of the finished product, precision to the requirement of stamping materials is: (1) accurate, uniform thickness. Stamping mould precision, small gap, sheet thickness will increase the deforming force, and material, even will die burst; Sheet metal would affect the quality of the finished product is too thin, and even cracking during deep drawing. (2) the surface is bright and clean, no spots, no scar, no scratch, no surface crack, etc. All surface defects will remain in the finished surface, crack defects in bending, deep drawing, forming and other processes may expand to the widespread, cause waste. (3) yield strength evenly, in deep drawing, flanging, bulging and stamping process, because there are successively to succumb, plastic deformation, will cause uneven deformation, forming inaccuracies caused by defective goods or scrap. (4) high uniform elongation. Tensile test, the sample neck phenomenon began to appear in front of the elongation is called uniform elongation. In deep drawing, any region of the sheet metal deformation can not be extended more than material evenly, can appear otherwise uneven deformation. (5) QuQiang than low. Precision metal stamping parts of the ratio of the yield limit and ultimate strength as showed. Low showed not only can reduce deformation resistance, can also reduce wrinkling tendency when deep drawing, reduce the amount of springback after bending, improve the precision of bending parts. 6 work hardening sex is low. After the cold deformation of work hardening can increase the deformation resistance of materials, make it difficult to continue to deformation, so the general plate with low hardening exponent. But higher hardening index of the plastic deformation stability of the material is good, not easy to appear local cracking. Precision in practical production, the company often manufacturability experiment was carried out, such as deep drawing performance test, bulging performance test and other test materials stamping performance, to ensure the quality of precision metal stamping parts. Precision contact: wish you a prosperous business, everything goes well, if you want to learn more dynamic, can scan the qr code, pay attention to the public. , is committed to precision stamping processing factory of the world's most professional electronic components
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