10 COMMON PROBLEMS WITH CNC MACHINE TOOLS

A CNC machine is an electromechanical device used to control and operate machine shop tools and devices by computer programming. CNC machines develop different problems and require proper maintenance. Here are the ten common problems with CNC machine tools

first of all  learn CNC Metal Casting and then read below 10 problems , you can read later also

1. Wrong cutting tools

Selecting the wrong cutting tool often results in a low-quality finish of the material. This can also be seen as cutter marks on the surface, rough edges, burn or raised marks on the material's corners or edges. To avoid this problem, make sure to choose the right cutting tools.


2. Problems with power supply

Sometimes, different parts of the CNC machine may not work due to power problems. To correct this, make sure the correct power supply is used on the power supply's input side. Hire a professional to have a proper check on the electric parts and connections.


3. Bad tool partner

Machine tool failures and errors can be very costly in the long run. To ensure they are kept to a minimum, work with well-established and experienced CNC machine tool companies that offer a full package of maintenance, training, and after-sales service.


4. Insufficient skills and training

CNC machine tool operators need a comprehensive set of skills and knowledge. If the workers do not have proper planning and programming expertise, workers cannot improve these machines' production. To make sure this problem is resolved, hire professional machine operators who can choose the right tools, work sequences, and write programs.





5. Problems with the automatic tool changer

Sometimes you may run into challenges with an automatic tool changer on your CNC machine tool. The base, tool holder, gripping arm, tool magazines, and support arm must be working smoothly and properly. This can be solved by learning each step of the tool change process and solving it by diagnosing the error.


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6. Tightening and loosening of fixtures

Tightening and loosening can be a significant problem when the workpiece cannot be clutched firmly by the spindle or when vibration or displacement occurs amid processing. To deal with this problem, check if the parts are correctly positioned for secure clamping. Wrong clamping of CNC machine parts can lead to damage or accidents.


7. Machine vibration 

The vibration of the CNC machine while working can greatly reduce the tool life, affecting the machine's durability and damaging the parts' quality. To resolve this issue, you need to diagnose whether the part is vibrating, or the tool is vibrating.


8. Improper maintenance

CNC machines must be carefully cleaned and lubricated regularly. Insufficient lubrication can cause machine parts to stick together or not move properly as they should. This may sound like a purely hygienic problem but can affect the output of the machine. Thus, make sure to schedule proper maintenance regularly.


9. Poor programming

Another problem that can cause serious issues with CNC machining is poor programming. This is a minor cause-and-effect issue, as programming directly controls product creation. Therefore, in the case of poor programming, the product will have problems. Therefore, make sure that each employee gets full and appropriate training on how to code a CNC machine properly.


10. Overheating leading to failure

Overheating can cause the whole CNC machine to fail. Your CNC machine can reach over 150 ° on the inside. Filters can become blocked with debris and dirt, which can lead to overheating. This can lead to serious damage.


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Prevention includes having a regular maintenance and cleaning schedule for cleaning dust and dirt from AC filters and units.


Avoiding these problems is the best thing you can do for the proper working of your CNC machine.


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