Poorly Maintained Or Improperly Maintained
CNC machines need to be carefully cleaned and lubricated regularly-otherwise problems may occur. Lack of cleaning may cause dust and debris to accumulate. This seems to be purely a hygiene issue, but it may actually affect the output of the machine.
For example, if you start to notice the material slipping during the cutting process, the accumulation of dust may prevent the machine from working properly and provide the most accurate instructions. If this problem continues to be solved, it will bring challenges when the machine is difficult to locate and keep the material stationary. This leads to higher accuracy and precision issues and ultimately leads to more errors.
Improper lubrication can cause machine parts to stick or move abnormally. This can cause errors as well as overheating and air blockage. Overheating and insufficient air can also cause problems, such as material movement in the process.
To learn more about CNC milling machine maintenance methods, please click: CNC Router Maintenance
Incorrect Settings Or Tools
Maybe one of your tools is dull, the cutting fluid or lubricant is not working properly, or the tool is moving at the wrong speed. All these problems can cause similar problems. The most likely result of one or more of these problems is the appearance of small burn marks on the edges and corners of the material.
The reason for this is simple. If the tool moves too slowly, the material will spend more time under the cutting edge than it should. This can cause burns and scars. Similarly, if the coolant does not work properly, the item may become too hot, causing burns to the edges of the material.
If one of your tools has already been burned, you need to adjust the settings according to the needs of the specific tool to avoid scars. Or, if the tool is too blunt and cannot cut properly, it may be time to replace it completely.
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Improper Or Incorrect Programming
Another problem that can cause serious problems in CNC machining is programming errors. This is a simple question of cause and effect because programming directly controls the creation of the product. Therefore, if the programming is incorrect, the product will have problems.
These problems can be difficult to spot, especially when new or inexperienced employees are involved. These employees may not have a completely accurate understanding of the process of the machine and may enter codes incorrectly. Although they recognize some mistakes, they may not realize their mistakes.
To solve this problem, inexperienced employees may try to turn off the power of the machine and then turn it on again. This may start the machine and cause it to correct the problem. At the same time, the original problem-the wrong encoding-remains undiscovered.
To avoid this situation, please ensure that every employee has received comprehensive and appropriate training on how to write CNC machine code correctly. In this way, these types of easily avoidable errors are less likely to occur, and you will be more likely to have a smooth and problem-free CNC machining process.
Insufficient Worker Skills And Training
With the increasing use of computing and programming, today’s CNC machine operators need a different set of knowledge and skills. Without proper organization, planning, and programming skills, even if workers who have used previous machine models in the past have processing skills and experience, they cannot optimize the output of these machines.
To ensure that this problem is solved, you need to hire the right machine operators who can visualize and design the machining process, choose the right tools and sequence for the job, and write programs.
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Automatic Tool Change Problem
Sometimes, you may face challenges in using automatic tool changers in CNC machine tools. This can be solved by learning each step of the tool replacement process and solving the problem by diagnosing the problem.
Check that the base, gripper arm, tool holder, support arm, and tool magazine are working properly and smoothly. Or check the movement of the swivel arm and robotic arm to make sure they are working properly. Also, keep the automatic tool changer and tool holder free of chips and coolant.
When your CNC machine vibrates during work, it may greatly shorten the life of the tool, affect the durability of the CNC machine, or damage the quality of the processed parts. You can only detect this by listening to the noise produced-sometimes it can be loud!
In order to solve this problem, you need to diagnose its workpiece chatter or tool chatter. You can also adjust the RPM of the machining process so that the frequency of the machining process does not resonate with the material frequency.
Note: For machining centers, when the spindle speed is higher than 8,000 rpm, a balanced tool post must be used. Otherwise, the vibration marks appear on the machined parts first. What followed was a shortened tool life, and finally the failure of the spindle bearing.
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For large batches and long-term processing, sometimes overheating may occur. The internal temperature of your CNC machine tool may reach 150 degrees or higher. This may have a negative impact on your machining work, the tools used, and the CNC machine itself.
To avoid this, please make sure to clean all passages regularly and clean the machine so that there are no dust, dirt, and materials on it. Regularly clean up all metal shavings and liquid used in cutting.
The overheating of the machine tool spindle is mainly caused by extensive use at the highest speed. The grease-lubricated spindle cannot be used for a long time at full speed. The air-lubricated spindle is better, while the oil-lubricated spindle (the same as that used by Huachuan) can run for a long time even at the maximum speed.
The change of the workshop environment temperature will also affect the overheating of the machine. Wind/draft passing through doors or open windows can affect the accuracy of precision machine tools.
Wide windows allow the sun to shine freely, and an air-conditioned air conditioner may please your operator, but since the machine will deform on the entire shaft, the machine will not like it at all.
Wrong CNC Machine Partner
Finally, and perhaps the most important point, you need to choose the right CNC machine partner to reduce the possibility of machine problems and human error.
In the long run, machine tool errors and errors can cause huge losses to your company. To ensure that these problems are reduced, please cooperate with an experienced CNC machine tool company that can provide comprehensive after-sales service, training, and maintenance services.
FORSUN CNC is meticulously designed and precisely manufactured to meet strict quality standards and has the best durability and service life in the industry.