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The hardness of mold parts is the main factor affecting the wear resistance

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The hardness of mold parts is the main factor affecting the wear resistance

Release date:2018-03-05 The author: Click:

The hardness of the mold parts is the main factor affecting the wear resistance. Under normal circumstances, the higher the hardness of the mold parts, the smaller the amount of wear and the better the wear resistance. In addition, wear resistance is also related to the type, number, morphology, size, and distribution of carbides in the material.

1, toughness

Most of the working conditions of the mold are very harsh, and some often suffer from a large impact load, resulting in brittle fracture. In order to prevent the mold parts from suddenly breaking during work, the mold must have high strength and toughness. The toughness of the mold depends mainly on the carbon content, grain size, and microstructure of the material.

2, automotive mold top rod wear resistance; mold accessories

When the billet plastically degenerates in the cavity of the mold, it flows and slides along the surface of the cavity, causing violent friction between the surface of the cavity and the blank, resulting in failure of the mold due to wear. Therefore, the wear resistance of the material is one of the most basic and important properties of the mold.

3, fatigue fracture performance

In the working process of mold parts, under the long-term effect of cyclic stress, fatigue fracture often occurs. In the form of small energy multiple impact fatigue fracture, tensile fatigue fracture contact fatigue fracture and bending fatigue fracture.

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Key words:Automotivemoldtop,Automotivemoldtopmanufacturers,Automobilemoldtoprodfactory