Custom Intelligent door lock shell

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Analysis of mold deformation during heat treatment
During quenching and tempering of die casting molds, deformation or distortion can occur. Deformation is caused by stresses in steel, including thermal stress, structural transformation stress
power.
Thermal stress: The mold size will increase during heating. When heating is faster and more uneven, the size of different parts of the bow will increase inconsistently, resulting in
Generating stress and deformation. The purpose of multi stage preheating and slow heating is to maintain a uniform temperature throughout the mold. Quenching also produces very large stresses
Force, using graded quenching, can reduce deformation. The faster quenching and cooling, the better. Structural transformation stress: Heat treatment is performed by changing the apparent
Microstructure to achieve the purpose of improving performance. However, the microstructure of metallic materials, such as ferrite, austenite, and martensite, has different densities, so that in the group consisting of
In the process of fabric transformation, the transformation from austenite to martensite causes a change in size. Excessive rapid and uneven quenching tends to bow | lift the mold
As the volume of the part increases, some sections generate stress and cause deformation.