- Standards first: Process the standard surface first. During the machining process, the appearance of the parts as the positioning standard must be processed first to provide precision standards for the subsequent processing as soon as possible.
- Processing stage: The appearance of precision parts with high quality requirements is divided into processing stages, which are generally divided into three stages: rough processing, semi-processing and finishing. It is mainly to ensure the processing quality, facilitate the scientific application of equipment, and find blank defects when arranging the heat treatment process.
- Face first and then hole: The box, bracket, connecting rod and other parts should be processed before the plane is processed. In this way, the processing hole can be positioned on the plane, the position accuracy of the plane and the hole can be ensured, and the processing of the plane hole is convenient.
- Finishing processing: The main appearance finishing processing, such as grinding, fine grinding, rolling processing, etc., should be placed at the end of the process route. Formulate the process route for precision parts processing. The formulation of the process regulations for precision parts processing can be roughly divided into two links. First, formulate the process route for precision parts processing, and then determine the process dimensions, equipment and process equipment used, cutting specifications, and labor time quotas of each process.
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