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PTJ Manufacturing Shop

How to choose the right tool in aluminum machining process

How to choose the right tool in aluminum machining process

Due to the special characteristics of aluminum, no matter which machine tool is used, it is often unsatisfactory in terms of efficiency, life, and gloss of the workpiece. Therefore, how to choose the right tool and machining technology when machining aluminum has become a concern for everyone.

robot precision parts machiningLet's first understand the machining characteristics of lower aluminum and aluminum alloys: aluminum has low strength, low hardness, and large plasticity, which is suitable for plastic forming machining. However, it has a strong tendency to deform and strengthen during cutting, is easy to stick to the knife, and it is difficult to produce smooth surfaces. Machining aluminum alloy has much higher strength and hardness than pure aluminum, but it has lower strength and hardness compared with steel, lower cutting force, and good thermal conductivity.

Due to the softness and plasticity of aluminum alloy, it is easy to stick to the knife during cutting, and build up chippings on the tool. Welding may occur on the blade during high-speed cutting, which will cause the tool to lose cutting ability, and affect the machining accuracy and surface roughness. . In addition, the aluminum alloy has a large thermal expansion coefficient, and the cutting heat easily causes thermal deformation of the workpiece, reducing the cnc machining accuracy.

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