Problems Caused by Improper Arrangement of CNC Processing Technology

Problems caused by improper arrangement of CNC processing technology

Using CNC processing equipment for processing, CNC machinery service high efficiency, good quality, but if the process design is not arranged properly, it can not well reflect its advantages. From the experience of some CNC processing plants, there are some problems as follows:

1. CNC machining process is too scattered

The reason for this problem lies in fear of complexity (refers to the preparation time), simple programming, simplified operation and processing, easy adjustment to the knife using a knife processing, accustomed to ordinary processing. This results in product quality (position tolerance) is not easy to ensure, production efficiency can not play well. Therefore, CNC machining process personnel and operators should be fully familiar with CNC machining knowledge, try more, to master the relevant knowledge, as far as possible to use the process concentration method for processing, use it several times, will naturally reflect its advantages. After adopting the process concentration, the unit processing time increases, and we arrange the two equipment face to face, so that one person can operate the two equipment, greatly improving the efficiency and ensuring the quality.

2. Unreasonable CNC machining sequence

Some CNC machining operators consider the preparation of some problems, often put the processing sequence is very unreasonable. CNC machining usually according to the requirements of the general mechanical processing process preparation processing, such as first coarse then fine (change knives), first inside after outside, reasonable selection of cutting parameters, so that the quality and efficiency can be improved.
 

Careful use of G00(G26, G27, G29) quick location instruction G00 instruction to programming and use brought great convenience. However, if the setting and use is not appropriate, it will often cause the speed setting is too large, resulting in the return of zero overrush, precision decline, equipment rail surface pull and other adverse consequences. Return to zero route not pay attention to, easy to produce collision workpiece and equipment safety accident. Therefore, when considering the use of the G00 directive, you should be thoughtful and not arbitrary.

In numerical control machining, we should pay special attention to the retrieval and trial run of the program. After the program is input into the control system, the operator should use the SCH key, ↓, ←, → move key to carry out indeterminate and deterministic retrieval, and modify the program if necessary to ensure the accuracy of the program. At the same time, before the formal implementation of the program processing, must go through the program trial run (open power amplifier), to confirm whether the processing line and the design line.

The above are some common problems and solutions when using CNC machining equipment. In the actual work may also encounter some other problems, but as long as the CNC processing engineering and technical personnel and operators put their heads together, carefully grasp the knowledge and skills related to numerical control, numerical control equipment can be very good for the enterprise to play the maximum benefit.
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