With the continuous development of industry and the increasing demand of various parts, the quality of parts should be guaranteed when machining. The selection of raw materials is one of the basic conditions to ensure the quality. What are the requirements for the selection of raw materials.
Not all materials can be processed for precision mechanical parts. Some materials are too hard to exceed the hardness of the processed parts, which may break the parts. Therefore, these materials are not suitable for precision mechanical parts processing, unless they are made of special materials or laser cut.
There are two kinds of materials for precision machining parts: metal materials and non-metal materials. For metal materials, the hardness is stainless steel, followed by cast iron, followed by copper, followed by aluminum. The processing of ceramics and plastics is attributed to the processing of non-metallic materials.
The machining of parts of precision machinery mainly requires the hardness of materials. In some cases, the higher the hardness of materials, the better. It is only limited to the hardness requirements of machining parts. The processed materials cannot be too hard. It is assumed that they are harder than the machining parts. The material is moderate in hardness and soft, at least one level lower than the hardness of the parts. Together, it depends on the function of the processed parts and the reasonable selection of materials for the parts.
There are still some requirements for materials in the processing of parts and components of precision machinery. Not all materials are suitable for processing, such as too soft or too hard materials. The former is not necessary for processing, while the latter is not. Therefore, we must pay attention to the density of materials before processing.
It is assumed that the density is too large, which is equivalent to the hardness. If the hardness exceeds the hardness of the machine (lathe tool), it cannot be processed. It will not only damage the parts, but also pose a danger, such as the lathe tool flying out and injuring people. Therefore, generally speaking, for machining, the material material should be lower than the hardness of the machine tool, so that it can be processed.
Dalian hanpujiang New Precision Machinery Co., Ltd. is a comprehensive machining and international trade enterprise mainly engaged in the design and manufacture of various jigs, precision machinery parts, machine tool parts and mould parts. Welcome to come for consultation.
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