Why do stainless steel castings lose tools during processing?

Different from other traditional industries, precision casting of stainless steel castings is a new forging process that is still in a rapid development stage in China. Stainless steel, which is famous for its strong corrosion resistance, high temperature resistance, high alkali resistance, and oxidation resistance, has the appearance size Due to the extremely high precision and extremely high surface smoothness of the product, the application of stainless steel casting also reduces the processing process of mechanical equipment to a certain extent. However, for stainless steel casting, the advantages and forging difficulty coexist because the shape of stainless steel is greatly More than pig iron, void deformation in castings is more likely to cause casting defects.

Why do stainless steel castings lose tools during processing?

1. As far as processing is concerned, hardening during processing is very serious. If hardening occurs during the cutting process, the tendency of the cutting direction will be inaccurate. Therefore, cutting the tool at the hardened position can easily reduce the service life of the tool.

2. During the casting process, the cutting tool will be easier to stick. No matter what kind of stainless steel material it is, the cutting strength is very high and the cutting temperature is also very high.

3. This material has high hardness, greater plasticity during cutting, and greater tangential stress, so the cutting force is greater. In addition, this material has poor thermal conductivity, and the temperature is concentrated in a relatively small and slender part around the knife edge. Therefore, this is also a troublesome processing technology for foundries.

4. Due to the stainless steel material, the processing technology of stainless steel will increase the loss of the tool. These raw materials contain high melting point, high cutting temperature and high plastic deformation, which will accelerate the damage of the tool. Replacement of the tool and high frequency of sharpening will also directly Affects processing efficiency and increases tool usage costs.

The processing difficulty coefficient of precision cast stainless steel is very high, but the advantages of stainless steel precision casting cannot be ignored, and have greatly covered this processing difficulty coefficient. The greater the difficulty, the more we must not be afraid of difficulties, move forward courageously, solve forging problems step by step, and seek solutions for Stainless steel products cast by customers. In the continuous improvement, we also need to get more suitable solutions to improve the product quality of our stainless steel castings.