Rapid tool wear caused by cutting high temperature is the main problem in the cutting process of titanium alloy. The thermal conductivity of PCD diamond tools is several times that of cemented carbide. When processing titanium alloy, more cutting heat can be conducted out of the cutting area through the tool; the durability of PCD tools for cutting titanium alloy can reach dozens of times that of cemented carbide tools. Polycrystalline cubic boron nitride (PCBN) tools are second; TiC-based cemented carbide tools and ceramic tools are considered not suitable for titanium alloy cutting due to low durability and other reasons.
In terms of pcd tool angle, a smaller rake angle is generally selected for cutting titanium alloys to increase the contact length between the chip and the rake face; at the same time, a larger clearance angle is selected to reduce the friction between the flank face and the machined surface.

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and the speed of the coolant needs to be doubled when grinding large-size camshafts.

When use silicon carbide grinding wheel or other mixed-abrasive grinding wheels based on green silicon carbide for titanium alloy, the grinding wheel adheres to

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