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Precision injection molding processing what are the characteristics of the mould
by：CSSSLD
2021-02-03
1, wear resistance,
blank plastic changes in the mold cavity, the cavity outside activities and sliding, the intense friction between the outside of the cavity and block, thus triggering mould effect due to wear and tear. With the wear resistance is the most fundamental mould is data, one of the most important function.
hardness is an important identity of impact abrasion resistance. As usual circumstances, the mould of the machine the higher hardness, wear volume is smaller, wear resistance. Other, abrasion resistance and guess the number of varieties, carbide, status, intrusive and spread.
2, strong toughness
mould most things premise is very stubborn, some often suffer bigger shock load, thus lead to brittle fracture. In order to avoid the mould machine when something suddenly brittle fracture, precision hardware mold to have high strength and toughness.
mould toughness important depends on the data of carbon content, grain size and tectonic conditions - Precision mold manufacturing.
3, fatigue fracture mechanism
mould process, in the reincarnation is under the influence of stress, often cause fatigue fracture. The situation there is little energy repeatedly hit fatigue fracture, fatigue fracture of tensile fatigue fracture battle fatigue fracture and twists and turns. Die fatigue fracture mechanism of important depends on its strength, toughness, hardness, and guess the content of inclusions.
4, low temperature function
when the mould temperature is higher, can lower the hardness and strength, cause mould wear or plastic deformation occurred in late and take effect. Is, precision injection mold should possess high tempering stability, resistance to guaranteeing the mold at what temperature, with high hardness and strength.
blank plastic changes in the mold cavity, the cavity outside activities and sliding, the intense friction between the outside of the cavity and block, thus triggering mould effect due to wear and tear. With the wear resistance is the most fundamental mould is data, one of the most important function.
hardness is an important identity of impact abrasion resistance. As usual circumstances, the mould of the machine the higher hardness, wear volume is smaller, wear resistance. Other, abrasion resistance and guess the number of varieties, carbide, status, intrusive and spread.
2, strong toughness
mould most things premise is very stubborn, some often suffer bigger shock load, thus lead to brittle fracture. In order to avoid the mould machine when something suddenly brittle fracture, precision hardware mold to have high strength and toughness.
mould toughness important depends on the data of carbon content, grain size and tectonic conditions - Precision mold manufacturing.
3, fatigue fracture mechanism
mould process, in the reincarnation is under the influence of stress, often cause fatigue fracture. The situation there is little energy repeatedly hit fatigue fracture, fatigue fracture of tensile fatigue fracture battle fatigue fracture and twists and turns. Die fatigue fracture mechanism of important depends on its strength, toughness, hardness, and guess the content of inclusions.
4, low temperature function
when the mould temperature is higher, can lower the hardness and strength, cause mould wear or plastic deformation occurred in late and take effect. Is, precision injection mold should possess high tempering stability, resistance to guaranteeing the mold at what temperature, with high hardness and strength.
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