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What should I pay attention to when choosing the part material for precision machining?

September 27, 2022

Not all materials can be precision machined. Some materials are so hard that they are beyond the range of hardness for machining. Therefore, these materials are not suitable for precision machining. What should I pay attention to when choosing materials in the field of precision machining?

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The materials used for nc precision machining parts are mainly divided into two categories: metallic materials and non-metallic materials. For metal materials, the hardness is relatively high on behalf of stainless steel and carbon steel, followed by cast iron, again copper, and finally aluminum; and ceramics and plastic processing is classified as non-metallic processing materials.

 

First, the requirements of the material hardness. In some special cases, the higher the hardness of the material, the better. It is limited to the hardness requirements of the machined parts. The machined material should not be too hard, if it is harder than the machine parts or machine tools can not be machined.

 

Second, whether the material is suitable, at least one level lower than the mechanical parts and mechanical tools, but also depends on the function of the equipment and parts processing process.

 

Precision parts processing for product materials have certain requirements, not all materials are suitable for mechanical processing, let's say too soft or too hard material, too soft no processing necessary, too hard will lead to equipment can not be processed on it.

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Therefore, in the field of mechanical parts processing, the density of the material needs to be understood before processing the parts. If the density is too high, the corresponding hardness will be higher. If the hardness exceeds the hardness of the machine tool, machining is not possible. In this case, the processing will not only damage the parts, but also cause other hazards, such as broken tools, damage to the machine tool, etc. Therefore, in the field of machining, the processing material should be lower than the hardness of the tool, so that the material is suitable for precision machining.