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Key Factor of Success in EDM

Electrical Discharge Machining (EDM) is a method used to make metal molds. In order to improve processing efficiency and quality, the following are some suggested tips:


1. Choose the right electrode and workpiece material:

According to the shape, size and material requirements of the processed parts, choose the right electrode material and size. At the same time, ensure that the discharge coefficient between the workpiece material and the electrode material is similar to reduce the loss during the processing.


2. Set the appropriate processing parameters:

including discharge power, discharge time, pulse width, gap voltage, etc.

These parameters affect machining speed, electrode loss and machining accuracy. By optimizing these parameters, processing efficiency and quality can be improved.


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3.Keep the spark oil clean: 

the quality of the spark oil will affect the effect of discharge machining. Ensure that the spark oil is clean to avoid impurities in the oil affecting the discharge machining process. At the same time, replace the spark oil regularly to maintain its performance.


4. Monitor electrode loss: 

During processing, pay close attention to the loss of the electrode. If you find that the electrode loss is too fast, you can try to adjust the processing parameters. For example, reduce the discharge power or increase the pulse width to reduce the electrode loss.


5. Control the surface roughness of the workpiece: 

by adjusting the processing parameters and electrode shape, the surface roughness of the workpiece can be controlled. Better surface quality can be obtained by properly reducing discharge power and increasing pulse width during machining.


6. Make good use of numerical control system: 

make full use of the functions of numerical control system, such as preset machining path, automatic adjustment of voltage between. This helps to improve processing efficiency and accuracy.


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7. Regular inspection and maintenance of equipment:

 electrical discharge machining equipment needs regular inspection and maintenance to ensure that the equipment is in good working condition. Timely replacement of worn parts, such as electrodes, conductive blocks, etc., to ensure the quality of processing.


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8. Training operators: 

operators need to have a certain theoretical knowledge and technical level of electrical discharge machining. Through training, improving the skills of operators can improve the quality and efficiency of processing.


9. Timely adjustment of processing strategy: 

According to the actual situation in the processing process, timely adjustment of processing strategy. If you find that the processing quality is not good, you can try to adjust the processing parameters or re-plan the processing path.

In short, through the above tips, you can help improve the processing efficiency and quality of the EDM machining process. However, it should be noted that each processing process has its own uniqueness, so in actual operation, it is also necessary to flexibly adjust and optimize the processing parameters according to the specific situation.


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