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How does the CNC spinning machine prevent mold processing deformation?

March 15, 2022

The reason for the deformation of the mold of the CNC spinning machine is usually very complicated. As long as they analyze the reasons for their occurrence and use different methods to prevent them from occurring, the deformation of the mold can be reduced and controlled. Generally, heat treatment and deformation of precision and complex CNC spinning machine molds can prevent deformation. The specific methods are: reasonable selection of materials, reasonable use of technology,

How does the CNC spinning machine prevent mold processing deformation

Reasonable selection of materials. For precision and complex molds, micro-deformation die steels with good materials (such as air-quenched steels) should be selected; for die steels with severe carbide segregation, reasonable forging and quenching and tempering heat treatment should be performed; for large and unforgeable die steels, solid solution double Refine heat treatment.

Reasonably design the structure. The structure design of the CNC spinning machine mold should be reasonable, the thickness should not be too wide, and the shape should be symmetrical. For larger deformation, the mold of the CNC spinning machine should master the deformation rules, and should retain the machining allowance, and the composite structure.

Choose the heating temperature reasonably and control the heating speed. For precision and complex molds, slow heating, preheating and other balanced heating methods can be used to reduce the deformation of the mold during heat treatment.

Reasonable use of craftsmanship. On the premise of ensuring the hardness of the mold of the CNC spinning machine, try to use the pre-cooling, hierarchical cooling quenching or temperature quenching process. For some complex molds, pre-heat treatment, aging heat treatment, tempering nitriding heat treatment and other methods can control the mold accuracy of the CNC spinning machine.

Reasonable use of maintenance equipment. When repairing defects such as mold blistering, pores and wear, please use cold welders and other repair equipment with less thermal shock to avoid deformation during the repair process.

In the spinning process, the forming of metal is inseparable from the mold, and the shape of the mold has a great influence on the forming accuracy of the product. Using a series of reasonable methods and means can reduce the deformation of the mold, so that the shape of the spinning product has a higher consistency, the performance is stable, and the accuracy of the product is improved.

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