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CNC precision parts processing, what is the effect of CNC precision parts processing, which steps should be understood before CNC precision parts processing?
by：Foxron
2021-11-30
CNC precision parts processing technology and methods are very important. After all, the development speed of our industry is also much faster. For example, in the machinery industry or other mechanical devices, there are more parts to be applied. Yes, the precision requirements are high. Different models, or different types of mechanical equipment, need to be applied to different accessories. Now let's learn about CNC precision parts processing! !
1. Benchmark first: Machining the datum surface first. During the machining process of the parts, the appearance as the positioning datum should be processed first, so as to provide a precise datum for the subsequent processing as soon as possible.
2. Distinguish the processing stages: For the appearance of high precision CNC processing quality requirements, the processing stages are all distinguished. Generally, it can be divided into three stages: rough machining, semi-finishing and finishing. The first is to ensure the quality of the processing; to facilitate the scientific use of equipment; to facilitate the organization of the heat treatment process; and to find the shortcomings of the blank when it is convenient.
3. Face first, hole second: For parts such as box body, bracket and connecting rod, the plane should be processed first and then the hole should be processed. In this way, the holes can be positioned on the plane to ensure the azimuth accuracy of the plane and the holes, and it is convenient for the processing of the holes on the plane.
4. Finishing processing: the primary surface finishing processing, such as grinding, honing, fine grinding, rolling processing, etc., should be placed at the end of the process road. The formulation of general guidelines for fine CNC machining roads and the formulation of precision CNC machining regulations can be roughly divided into two links. The first is to draw up the process path for parts processing, and then determine the process scale of each process, the equipment and process equipment used, the cutting standards, and the quota of working hours.
1. Benchmark first: Machining the datum surface first. During the machining process of the parts, the appearance as the positioning datum should be processed first, so as to provide a precise datum for the subsequent processing as soon as possible.
2. Distinguish the processing stages: For the appearance of high precision CNC processing quality requirements, the processing stages are all distinguished. Generally, it can be divided into three stages: rough machining, semi-finishing and finishing. The first is to ensure the quality of the processing; to facilitate the scientific use of equipment; to facilitate the organization of the heat treatment process; and to find the shortcomings of the blank when it is convenient.
3. Face first, hole second: For parts such as box body, bracket and connecting rod, the plane should be processed first and then the hole should be processed. In this way, the holes can be positioned on the plane to ensure the azimuth accuracy of the plane and the holes, and it is convenient for the processing of the holes on the plane.
4. Finishing processing: the primary surface finishing processing, such as grinding, honing, fine grinding, rolling processing, etc., should be placed at the end of the process road. The formulation of general guidelines for fine CNC machining roads and the formulation of precision CNC machining regulations can be roughly divided into two links. The first is to draw up the process path for parts processing, and then determine the process scale of each process, the equipment and process equipment used, the cutting standards, and the quota of working hours.
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