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What are the principles of precision parts processing?

Release date:2023/3/31   Page views:484

1, the benchmark first: that is, the first processing datum, parts in the process of mechanical processing, as the positioning of the appearance of the benchmark should be processed first, in order to provide a fine benchmark for the processing of the subsequent process as soon as possible.
2, divided into processing stage: machining quality requirements of high appearance, are divided into processing stage, generally can be divided into rough processing, semi-finishing and finishing three stages. Mainly in order to ensure the quality of processing; Equipment conducive to scientific application; Easy to arrange heat treatment process; And when it is convenient to find blank defects.
3, the first surface after the hole: for the box, bracket and connecting rod and other parts should be processed before processing the plane hole. In this way, the plane positioning machining holes can ensure the precision of the position of the plane and holes, and bring convenience to the processing of the holes on the plane.
4, finishing processing: the main appearance of finishing processing, such as grinding, honing, grinding, rolling processing, etc., should be placed in the end stage of the process route. The development of the general principle of precision parts processing process route, the formulation of precision parts processing process procedures, can be roughly divided into two links.
First of all, it is to formulate the process route of parts processing, and then determine the process size of each process, the equipment and process equipment used, as well as cutting specifications, time quotas, etc.