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Use the correct way to reduce the deformation of sheet metal processing
Visit:163 Date:2022-06-08
During the cooling process of parts, the type, cooling performance, and hardness of sheet metal processing medium are related to deformation. The change of cooling performance can be adjusted by changing the viscosity, temperature, liquid surface pressure, using additives, stirring, etc. The higher the viscosity of quenching oil, the higher the temperature, and the smaller the oval deformation. In static state, the deformation is smaller.  
 
In the thermal treatment of forging, the method of reducing deformation parts is to hang as much as possible, the other is to place it vertically at the bottom of the furnace, and the third is to support it with two points. In one division, the fourth is placed on the heating steel workers.  
 
The decompression and quenching of sheet metal processing is to extend the steam membrane stage by reducing the hydraulic pressure of the quenching medium. The cooling speed of the high temperature zone decreases, making the cooling speed of each part of the parts uniform. First of all, the parts from quenching temperature to the temperature that is slightly higher than the slightly higher than the MS point, and then the baked is kept in the atmosphere to make the overall temperature of the part uniform, and then the oil is cold, so that the macroscopic phase changes evenly. Get greatly improved.  
 
You can effectively reduce the deformation of sheet metal processing: salt bath quenching; high temperature oil quenching; decompression quenching; one slot and three sections of quenching. Salted bath quenching and high temperature oil quenching are similar. They are quenching at the temperature of the martensite transition, which increases the uniformity of the macarinology.

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Guangdong Haisen Technology Co., Ltd.  
Contact: Feng Chan  
Mobile: 13537811194  
Email: fhxia66@163.com  
Website: www.dghskj.net  
Address: Room 103, No. 9, Shukeng Street, Yanwang, Daling Mountain Town, Dongguan City, Guangdong Province  

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