Why are there sparks when the high frequency of wire cutting is turned off? Recommended wire cutting machine tool manufacturer [Zhikai CNC]

Wire cutting is a common metal processing method that uses high-frequency current to generate sparks on metal workpieces to achieve cutting. However, sometimes even if the high frequency of wire cutting is turned off, sparks will still appear. The following will explain this problem from several possible reasons.

1. Power supply problem:

There may be a problem with the power supply of the wire cutting machine, such as unstable voltage or poor contact of the power cord. These problems will cause unstable current, which will cause sparks. The solution is to check whether the power cord is well connected and ensure that the voltage is stable.

2. Workpiece material problem:

Wire cutting is suitable for most metal materials, but for some special materials, such as aluminum and copper, which have good conductivity, sparks may occur. This is because these materials have high conductivity and are prone to arc discharge. The solution is to choose appropriate cutting parameters, such as reducing the current and increasing the cutting speed.

3. Molybdenum wire problem:

There may be problems with the molybdenum wire used in the wire cutting machine, such as aging or damage of the molybdenum wire. These problems will cause unstable current, which will cause sparks. The solution is to replace the new molybdenum wire and make sure the molybdenum wire is well connected.

4. Cutting parameter issues:

The cutting parameters of wire cutting include current, speed and pulse frequency. If these parameters are not set correctly, sparks will be generated. The solution is to adjust the appropriate cutting parameters according to factors such as workpiece material and thickness.

5. Water cooling system problem:

Wire cutting machines usually use a water cooling system to cool the molybdenum wire and workpiece to prevent overheating. If there is a problem with the water cooling system, such as too high water temperature or poor water flow, it will cause the molybdenum wire and workpiece to overheat, causing sparks. The solution is to check the working status of the water cooling system to ensure that the water temperature and water flow are normal.

In summary, the reason why there are still sparks when the wire cutting high frequency is turned off may be power supply problems, workpiece material problems, cutting wire problems, cutting parameter problems or water cooling system problems. The solution to this problem is to check and repair the relevant equipment and parameters to ensure that they work properly.

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