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Hexagonal module

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Hexagonal module

  • Taxonomy:Screw Die

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  • Date of release:2019/06/21
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Detailed introduction

Material Selection Requirements of Mold Manufacturers

Fatigue fracture properties

During the working process of the die, fatigue fracture often occurs under the long-term action of cyclic stress. Its forms include low energy multiple impact fatigue fracture, tensile fatigue fracture, contact fatigue fracture and bending fatigue fracture.

The fatigue fracture performance of the die mainly depends on its strength, toughness, hardness and inclusion content in the material.

High temperature performance

When the working temperature of the die is higher, the hardness and strength will decrease, leading to early wear or plastic deformation of the die and failure. Therefore, the die material should have high temper resistance stability to ensure that the die has high hardness and strength at working temperature.

Cold and thermal fatigue resistance

Some moulds are in the state of repeated heating and cooling in the working process, which makes the surface of the cavity subject to tension and pressure variable stress, causes surface cracking and peeling, increases friction, hinders plastic deformation, reduces dimensional accuracy, and leads to die failure. Thermal and cold fatigue is one of the main failure modes of hot working dies, and the die should have high cold and thermal fatigue resistance.

Corrosion resistance

When some moulds such as plastic moulds are working, due to the presence of chlorine, fluorine and other elements in the plastics, HCI, HF and other strong corrosive gases are decomposed and precipitated after heating, which erode the surface of the mould cavity, increase its surface roughness and aggravate wear failure.

Hexagonal die performance

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Key word:HexagonalDieCharacteristics,HexagonalDieManufacturing,Hexagonaldieproduction

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