What is the order of precision parts machining?

What is the order of precision parts machining? For the machining industry, the order is very important, it is related to the quality assurance of the product, there is a wrong order, it is easy to cause great losses, and serious words to start over, a little serious, is that these products are scrapped, precision parts processing is one of them, then what is the order of it? First, the arrangement of precision parts machining sequence should be considered according to the structure of the part and the condition of the blank, as well as the need for positioning clamping, with emphasis on the rigidity of the workpiece not destroyed.

(1) the processing of the upper process can not affect the positioning and clamping of the next process, interspersed with general precision parts processing process should also be taken into account.

(2) Inner cavity processing is carried out first, followed by shape processing.

(3) The same positioning and clamping method or the same tool processing process should be connected to reduce the number of repeated positioning, the number of tool changes and the number of times to move the platen.

(4) For multiple processes in the same installation, the process that causes little damage to the rigidity of the workpiece should be arranged first.

Second, the tool is concentrated in the sequence method to divide the process according to the tool used, with the same tool to finish processing all the parts that can be completed. In the second tool, the third is to complete the other parts they can complete. This can reduce the number of tool changes, compress the empty range time, and reduce unnecessary positioning errors.

Third, the processing parts are in order for the processing of many parts, according to its structural characteristics of the processing part into several parts, such as internal shape, shape, surface or plane. Generally first processing plane, positioning surface, after processing holes; first processing simple geometry, then complex geometry; first processing lower precision parts, then processing higher precision requirements. The above is the order of precision parts processing, which must be in accordance with these articles to operate, which will make your processing risk greatly reduced.