Requirements for materials for precision machinery parts processing, Nanjing Precision Engineering Co., ltd
Not all materials can be processed for precision mechanical parts. Some materials have too high hardness and may break the parts if they cross the hardness of the processed parts, therefore, these materials are not suitable for precision mechanical parts processing, unless they are made of special materials or laser cutting.
Materials for precision machining precision mechanical parts are divided into two categories, metal materials and nonmetal materials.
For metal materials, the hardness is stainless steel, followed by cast iron, followed by copper, followed by aluminum.
The processing of ceramics, plastics, etc. is attributed to the processing of nonmetallic materials.
The processing of precision mechanical parts mainly requires the hardness of materials. For some occasions, the higher the hardness of materials, the better. It is only limited to the hardness requirements of processed parts, and the processed materials cannot be too hard, it is assumed that it is harder than the machine parts and cannot be processed.
The hardness of the material is moderate, at least one level lower than the hardness of the parts. Together, it depends on what the function of the processed parts is to be used and the reasonable selection of materials for the parts.
There are still some requirements for materials for the processing of precision mechanical parts. Not all materials are suitable for processing, such as materials that are too soft or too hard. The former is not necessary for processing, the latter cannot be processed.
Therefore, we must pay attention to the density of the material before processing.
Assuming that the density is too high, it is equivalent to the hardness, and the hardness is across the machine (Lathe tool)
The hardness can not be processed, not only will damage the parts, but also pose a danger, such as the turning tool flying out to hurt people.
Therefore, in general, for mechanical processing, the material material is lower than the hardness of the machine tool, so that it can be processed.
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