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How to divide CNC machining processes?

Writer: Kang Ding hardware Pubdate:2017-06-01 Source:CNC machining
Description:How to divide CNC machining processes? The division of NC machining processes can generally be carried out as follows: 1. Processing part of the order for the processing of a lot of parts, according to its structural characteristics of the...

How to divide CNC machining processes?

 
    
The division of NC machining processes can generally be carried out as follows:
 

1. Processing part of the order for the processing of a lot of parts, according to its structural characteristics of the processing part is divided into several parts, such as the shape, shape, surface or plane. The first processing of the plane, positioning surface, after processing holes; first processing simple geometry, and then processing complex geometric shapes; the first processing of low-precision parts, re-processing accuracy requirements of the higher parts.
 

2. Tool centralized sorting method is used according to the use of cutting tools, with the same tool processing parts can be completed on all parts. With the second knife, the third to complete the other parts they can complete. This reduces the number of tool changes, compressed space time, reduce unnecessary positioning error.
 

3. In the case of rough and finishing parts, it is necessary to carry out the alignment for parts that are likely to undergo deformation due to the deformation that may occur after roughing. Therefore, it is generally necessary to separate the processes for rough and finishing.
 
   
In summary, in the division process, we must see the structure and process parts, machine functions, parts of the number of CNC processing content, the number of installed and the unit production organization flexibility. It is also recommended to adopt the principle of process concentration or the principle of decentralized process, according to the actual situation to determine, but must strive to reasonable.
 
  
In order to reduce the number of tool changes, shorten the empty run time, reduce unnecessary positioning error, you can use the same tool to focus on the processing process to the parts of the processing process division. As far as possible, use the same tool to process all parts that can be machined, and then replace the other parts of the other parts of the tool. This method is often used in dedicated CNC machine tools and machining centers.


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