What are the material requirements for precision parts processing?

What are the material requirements for precision parts processing?

Precision machining, not all materials can be precisely machined, some materials are too hard, exceeding the hardness of the processing parts, it may break the parts, so these materials are not suitable for precision machining, unless it is made of special materials, or laser cutting.

Materials for precision parts processing are divided into two categories, metallic materials and non-metallic materials.

For metal materials, stainless steel has the highest hardness, followed by cast iron, copper, and finally aluminum.

The processing of ceramics, plastics, etc. belongs to the processing of non-metallic materials.

1. The first is the requirement for the hardness of the material. For some occasions, the higher the hardness of the material, the better. However, it is limited to the hardness requirements of the processing parts. The processed materials cannot be too hard. If they are harder than the parts, they cannot be processed.

2. Secondly, the material is moderately soft and hard, at least one grade lower than the hardness of the machine parts. At the same time, it also depends on the function of the processed components and the reasonable selection of materials for the machine parts.

Overall, precision machining still has some requirements for materials, and not all materials are suitable for processing, such as materials that are too soft or too hard. The former is not necessary for processing, while the latter cannot be processed.

Therefore, the most basic one is to pay attention to the density of the material before processing. If the density is too large, it is equivalent to a high hardness. If the hardness exceeds the hardness of the machine part (lathe tool), it cannot be processed. It will not only damage the parts, but also cause danger, such as the tool falling out and hurting people. Therefore, in general, for mechanical processing, the material material should be lower than the hardness of the tool, so that it can be processed.