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Common faults of CNC cutting machine
Author: Date: 2018-04-20 Hits: 612 two-dimensional code sharing

External faults of CNC cutting machines can be divided into soft faults and hard faults:

The soft fault of CNC cutting machine refers to:

The CNC cutting machine is caused by improper operation and debugging. Such failures mostly occur in the early stage of the use of the CNC cutting machine or during the adjustment of the equipment user. For CNC cutting machines, another fault-prone place is the servo unit. Because the movement of each axis is realized by the servo unit controlling the servo motor to drive the gear. Rotary encoder is used for speed feedback, and motor positioning is used for position feedback. Generally, the fault-prone place is the drive module of the rotary encoder and servo unit. There are also individual system chaos caused by power. Especially for systems with computer hard drives to save data.

There are some faults that do not generate fault alarm information, but the action cannot be completed. At this time, it is necessary to analyze and judge according to the maintenance experience, the working principle of the CNC cutting machine, and the PLC operating conditions.

Hard failure of CNC cutting machine refers to:

For the repair of CNC cutting machine, it is important to find the problem. Especially external failure of CNC cutting machine. Sometimes the diagnosis process is more complicated, but once the problem is found, it is easier to solve. The following two principles should be followed for external fault diagnosis. First of all, we must be proficient in the working principle and action sequence of CNC cutting machines. Secondly, PLC ladder diagram is used for diagnosis.

The status display function of the NC system or the external programmer monitors the running status of the PLC. Generally, as long as you follow the above principles and be careful, the general CNC cutting machine failure will be eliminated in time.

Guide rail of CNC cutting machine

In the feed transmission system of the CNC cutting machine, the role of the guide rail is to support and guide the moving parts, to make a reciprocating linear motion in a given direction. If the guide rail of the CNC cutting machine fails, measures should be taken in time. There are several methods to repair the failure of the guide rail of the CNC cutting machine:

1. Adjust the gap between the wedge bar and the supporting plate to make the friction between the supporting plate and the guide rail moderate and improve the movement accuracy;

2.Adjusting the pre-tightening force, adjusting the loose parts, eliminating the transmission gap, etc. can improve the transmission accuracy;

3. The plastic guide rail must ensure that the plastic guide is good and no damage;

4. The gap between the guide rail and the guide rail must not contain stolen goods, and there must be good protective devices;

5.The static pressure guide rail should have a set of oil supply system with good filtering effect;

6. Regularly, quantitatively, accurately and well lubricate every moving part.

There are many small tips in the CNC cutting machine that often appear in our work, but these small tips are likely to cause our day work is not smooth, so if you encounter problems during work, you must keep your mind clear In order to solve the problems we encountered well.


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