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Precision CNC machining, what are the material requirements?

Precision CNC machining, and not what materials can be precision processing, some materials hardness is too large, more than the hardness of the processing machine parts, may break the machine parts, so these materials are not suitable for precision machining, unless it is made of special materials, or laser cutting.

For CNC precision machining materials are divided into two categories, metal materials and non-metal materials.

For metallic materials, the greatest hardness is stainless steel, followed by cast iron, followed by copper, and finally aluminum.

And the processing of ceramics, plastics and so on belongs to the processing of non-metallic materials.

1, the first is the requirement of the hardness of the material, for some occasions, the higher the hardness of the material is the better, just limited to the hardness of the processing machine, the processing of the material can not be too hard, if the machine is also hard can not be processed.

2, secondly, the material is moderate, at least than the machine hardness is lower than a grade, at the same time to see the role of processing devices is to do what to use, reasonable selection of materials for the machine.

In short, precision parts processing of material requirements or some, and not what material is suitable for processing, such as too soft or too hard material, the former is not necessary to process, and the latter is unable to process.

So, the most basic one is, before processing must pay attention to the density of the material, if the density is too large, equal to the hardness is also very large, and the hardness if more than the machine parts (lathe tool) hardness, is unable to process, not only will damage parts, but also cause danger, such as turning tool flying out of the injury.

So, in general, for CNC precision machining, the material material should be lower than the hardness of the machine tool, so that can be processed.