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Processing characteristics of stainless steel end mills
The first option is a mixture of austenite and ferrite. The hardness of the hardened layer is 1.4-2.2 times that of the original matrix, and the strength R=1470-1960MPa.
Release time:
2022-11-17
1. Severe work hardening
The work hardening of stainless steel is very serious. The first option is a mixture of austenite and ferrite. The hardness of the hardened layer is 1.4-2.2 times that of the original matrix, and the strength R=1470-1960MPa. This kind of stainless steel has great plasticity and great strengthening factor. In addition, austenite is unstable and easily transforms into martensite under the action of cutting force.
2. High cutting force
Stainless steel has high plasticity, especially the depth of austenitic stainless steel is 2.5 times that of 45# steel. The milling machine has large plastic deformation, large cutting resistance, severe work hardening, high thermal strength, and is not easy to curl and break.
3. High cutting temperature
Stainless steel has large plastic deformation, high friction, and relatively low thermal conductivity. Therefore, under the same conditions, the temperature of stainless steel milling machine is about 200 degrees higher than that of 45 steel.
4. Cutting is not easy
Prone to bonding and built-up edge formation when machining stainless steel. Stainless steel has relatively high plasticity and toughness, and is not easily damaged by milling machines. Tools are prone to adhesive wear and edge build-up when exposed to high temperatures and pressures.
5. Tools are easy to wear
Of course, stainless steel milling cutters should be used for machining stainless steel, because the TiC hard spots in stainless steel will cause severe grinding and wear of the tool. Knives and knives are prone to sticking, spreading and crater wear under conditions of high speed, high temperature and high pressure.
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