Precision Parts Processing When It Should Follow What Aspects Of The Requirements

Precision machining industry has always been a labor-intensive, capital-intensive and technology-intensive industry, and the industry threshold is high. It is difficult to generate profits even if the enterprises are established but cannot reach a certain scale.

For precision machining its requirements are extremely strict.

Precision parts processing process has extremely strict requirements, a little careless processing will lead to workpiece error beyond the tolerance range, need to be reprocessed, or announced the blank scrap, greatly improve the cost of production. What requirements should it follow when processing precision parts?

First, it is the size of the requirements, must strictly follow the drawings of the shape and position tolerance requirements for processing. Although the size of the parts processed and produced by the enterprise is not exactly the same as the size on the drawing in fact, the actual size is within the tolerance range of the theoretical size, and all the parts are qualified products and can be used.

Second, the requirements of equipment, rough, finish processing should use different performance of equipment. Because the rough machining process is to cut most parts of the blank, the workpiece will produce a lot of internal stress in the case of large feed and large cutting depth, then it can not be finished. When the workpiece is finished after a certain time, it should be worked on a high-precision machine tool, so that the workpiece can achieve a high precision.

Third, the processing of precision parts often has the process of surface treatment and heat treatment, the surface treatment should be placed in the precision mechanical processing. And in the process of precision machining, the thin layer thickness after surface treatment should be considered. Heat treatment is to improve the cutting properties of the metal, so it needs to be carried out before machining.

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