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5 tips for diagnosing the failure of a cnc milling machine

During the machining process using a CNC milling machine it is possible that we may encounter problems that make it difficult to achieve a quality finish on our parts. Most of the time it is because, being machines, they simply fail. It is not always because of poor quality or poor assembly. If after a couple of years the machine starts to fail, there are errors that are the result of wear and tear, and it is not only mechanical but there can also be electrical faults.

Although our recommendation is that you should have the machine checked by an expert to find the fault, in this article we are going to explain the most common problems and faults in milling machines.

Milling machine breakdowns

CNC milling machine failures

Electrical faults and component failures are the most common reasons why a milling machine may fail. It should be noted that these factors can be due to many reasons, but they are usually related to poor manufacturing, lack of maintenance, poor use, poor quality of the parts that make up the machine or due to planned obsolescence.

On some occasions we have talked to you about the risk of buying machines in China. Although they can be very cheap, but you have to bear in mind that this means that you don't have an official technical service nearby and that any need for spare parts takes much longer. In the end, cheap is expensive. Not all Chinese machines are synonymous with poor quality, just be aware of the complications that can arise after the sale and in the maintenance of your milling machine.

5 questions to ask if you need assistance with a CNC milling machine

Almost all of the faults answered by these questions can be dealt with without the need for on-site technical assistance, and it also gives us a basis for seeing which path to take when resolving the incident. 

1. La màquina s'encén? 

If it turns on, we would go to the next question. If it does not turn on, it will be diagnosed at the electrical level.

2. Does it give an error message?  

Normally, it will appear on the screen of the control unit or computer. The idea would be to take a photo of the error message and pass it on to the technical service so that it can be resolved, either remotely or by telephone. 

3. Is the machine searching for the origin, does the Home, or does it move? 

In the vast majority of milling machines, an error message will appear if the machine does not move. At this point it is necessary to try to be as descriptive as possible with the problem fault.

4. What action leads to the fault? 

It may appear every time you try to turn on the chuck, or move the machine bridge backwards, to give a few examples. Describing the action will help us to become aware of the type of fault that results.

5. Is the milling machine capable of executing a file? 

When the machine tries to execute a file, it gives an error. Be as specific as possible with this error. 

With all these questions, we can know whether the fault will have a relatively quick solution or whether it will require a more in-depth intervention, whether it is a machine that you use frequently or an unused machine. máquina inutilizada.

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