Dry, semi-dry and low temperature cold air cutting technology

Cutting heat is an inevitable physical phenomenon in the metal cutting process, which has a negligible influence on the quality of the workpiece and the life of the tool. At low speed cutting, mechanical wear is the main cause of tool wear; in high-speed cutting, cutting high temperature induces tool wear, and mechanical wear is mainly converted into diffusion wear, phase change wear and carbonized wear as the main wear mechanism, and the tool surface is induced. Bond wear. The cutting heat also causes the tool and the workpiece to thermally expand, which aggravates the friction and wear of the flank and causes the surface roughness of the workpiece to rise. Therefore, the super finishing process emphasizes that the conduction heat must be controlled in the workpiece and the tool in a timely and effective manner. Controlling the temperature of the tool and the workpiece is of great significance for CNC machining. To control the cutting heat of the metal and the temperature rise of the tool and the workpiece,

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