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201 stainless steel roll stretch mold material how to choose to cut 201 stainless steel roll depth when the possibility of bonding tumor, improve the quality of the workpiece and die life:
1, the size of the stainless steel parts, in the production of bulk is not very large, for the throttle material, should use cast iron HT300, QT600-2 as convex, concave mold material, can also be used special wear-resistant cast iron.
2, the deep drawing of small and medium parts, the general use of copper-based alloy for mold materials, such as aluminum bronze, aluminum and iron bronze, phosphor bronze and so on.
3, the smaller size of the stainless steel parts deep drawing, the choice of cemented carbide YG8, YG15 for die, W18Cr4V for punch, the practice confirmed that the deep angle in the concave die and the wall is not easy to form a binding tumor.
4, the use of silicon nitride ceramic mold for 201 stainless steel roll deep drawing can get better results, because silicon nitride is a typical inorganic non-metallic materials, and stainless steel is very different, but it is very high hardness.