What type of tools are generally used in the processing of Stainless Steel Machinery Parts

Release time:

2021-12-16

The requirements for the geometric parameters of the tool during processing of Stainless Steel Machinery Parts should generally be considered from the selection of the front angle and the back angle.

What type of tools are generally used in the processing of Stainless Steel Machinery Parts? What are the basic requirements? The tool model is generally YW, YT is for processing steel, and YG is for casting.

Stainless Steel Machinery Parts

1. The requirements for the geometric parameters of the tool during processing of Stainless Steel Machinery Parts should generally be considered from the selection of the front angle and the back angle. When selecting the rake angle, factors such as the chip curling geometry, the presence or absence of chamfers, and the positive and negative angles of the edge inclination should be considered. Regardless of the type of tool, a large rake angle must be used when machining stainless steel. The selection of the clearance angle should not be too small, but it should not be too large. If the clearance angle is too large, the wedge angle of the tool will be reduced, the strength of the cutting edge will be reduced, and the wear of the tool will be accelerated. In general, the relief angle should be appropriately larger than when machining ordinary carbon steel.
2. Requirements for the surface roughness of the cutting part of the tool during processing of Stainless Steel Machinery Parts Improving the surface finish of the cutting part of the tool can reduce the resistance when the chips form curling and improve the durability of the tool. Compared with processing ordinary carbon steel, when processing stainless steel, the cutting amount should be appropriately reduced to slow down tool wear; at the same time, appropriate cooling and lubricating fluid should be selected to reduce the cutting heat and cutting force during the cutting process and prolong the service life of the tool.
3. The material requirements of the tool holder during the machining of Stainless Steel Machinery Parts, the tool holder must have sufficient strength and rigidity to avoid chatter and deformation during the cutting process. This requires the selection of an appropriately large cross-sectional area of the arbor, and at the same time, a material with higher strength should be used to manufacture the arbor, such as quenched and tempered No. 45 steel or No. 50 steel.
4. Requirements for the material of the cutting part of the tool when processing Stainless Steel Machinery Parts When processing stainless steel, the material of the cutting part of the tool is required to have high wear resistance and can maintain its cutting performance at a higher temperature. Currently commonly used materials are: high-speed steel and cemented carbide.
5. Since high-speed steel can only maintain its cutting performance below 600°C, it is not suitable for high-speed cutting, but only suitable for processing stainless steel at low speed. Since cemented carbide has better heat resistance and wear resistance than high-speed steel, tools made of cemented carbide are more suitable for cutting stainless steel.

To improve the surface quality of Stainless Steel Machinery Parts, it is necessary to use carbide tools for processing. The cutting amount is slightly lower than that of turning ordinary carbon steel workpieces, especially the cutting speed should not be too high.

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