Material requirements for precision parts machining

Material requirements for dense parts machining: not all materials can be precisely processed for precision parts advance cnc machining. Some materials are too hard to exceed the hardness of the processed parts, and the parts may collapse, so these materials are not suitable for precision Machined, unless it is a machine part made of special materials, or laser cutting.

The materials for precision parts machining are divided into two categories, metallic materials and non-metallic materials. For general metal materials, the hardness is greater for stainless steel, followed by cast iron, followed by copper, and finally aluminum. The machining of ceramics, plastics, etc. belongs to the machining 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, but it is limited to the hardness requirements of the machined parts. The material for precision parts advance cnc machining should not be too hard. If it is harder than the machine part, it will cause Unprocessable.

2. Secondly, the material is moderately hard and soft, at least one grade lower than the hardness of the machine part. At the same time, it also depends on the purpose of the machined parts and the reasonable selection of the machine parts.

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

Therefore, the most basic one is that you must pay attention to the density of the material before machining. If the density is too large, the hardness is also large. If the hardness exceeds the hardness of the machine (lathe tool), it cannot be processed. It will only damage the parts, but also cause dangers, such as the turning tool flying out and hurting people.

Therefore, generally speaking, for mechanical advance cnc machining, the material material must be lower than the hardness of the machine knife, so that it can be processed.

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