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Why does mold wear and tear occur
Release time:2023-09-09
Mold wear and tear reasons
1：the main working parts of the mold material problems, improper material selection. Poor material properties, not wear-resistant; mold steel unrefined, with a large number of smelting defects; convex-concave mold, forging billet reforging process is not perfect, the legacy of heat treatment hidden problems.
2：mold structure design problems, punch die structure is unreasonable. Elongated convex mold is not designed to strengthen the device, the outlet is not smooth to appear stacked, the unloading force is too large for the convex mold to withstand the alternating load intensification, and so on.
3：the mold making process is not perfect, mainly in the convex, concave die forging blanks of poor intrinsic quality, heat treatment technology and process problems, resulting in convex, concave die quenching impermeable, there are soft spots and uneven hardness. Sometimes produce micro-cracks, or even cracks, grinding and polishing is not in place, the surface roughness value is too large.
4：No lubrication or lubrication but the effect is not good.
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