Vacuum heat treatment technology is a new type of heat treatment technology developed in recent years. Its characteristics are exactly what is urgently needed in the mould manufacturing of household products, such as preventing heating oxidation and non-decarburization, vacuum degassing or degassing, eliminating hydrogen embrittlement, thus improving the plasticity, toughness and fatigue strength of materials (parts). Factors such as slow vacuum heating and the small temperature difference between inside and outside the parts determine the small deformation of the parts caused by vacuum heat-treatment process.
Vacuum oil cooling quenching, vacuum air cooling quenching and vacuum tempering are mainly used in vacuum heat treatment of dies. In order to maintain the excellent characteristics of vacuum heating of workpieces (such as dies), the selection and formulation of coolant and cooling process are very important. Oil cooling and air cooling are mainly used in the quenching process of dies for household products. For Household Product Mould(FURNITUREMOULD) working surfaces that are not machined after heat treatment, vacuum tempering is adopted as much as possible after quenching, especially for vacuum quenched workpieces, which can improve mechanical properties related to surface quality, such as fatigue property, surface brightness, corrosion resistance, etc.
The successful development and application of computer simulation technology in heat treatment process make it possible to intelligently heat treat household product mould. Due to the characteristics of small batch (even single piece) and multiple varieties of household product mould, as well as the characteristics of high heat treatment performance requirements and no waste products, intelligent heat treatment of household product mould is necessary.
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