Dry-cutting technology is proposed with the development of ceramic cutting tools. With regard to environmental protection considerations, no cutting fluid is used. The auxiliary heating device is used to locally heat the surface of the workpiece (such as laser heating, conductive heating, etc.) to a certain temperature to improve the material. The machinability reduces the cutting force and contributes to the realization of dry cutting. However, this technology places high demands on the heat resistance (red hardness) of the tool for a long period of time. Therefore, it is currently only applicable to a ceramic tool that can maintain its strength and hardness at high temperatures for a long period of time.
Dry cutting is currently not a universal technology due to the influence of the current process conditions, workpiece materials and processing types.
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