Shangshan Precision Machinery: The requirements of pulse current conditions for the processing of graphite electrodes by the Longmen machining center

The pulse current is affected by the discharge area:
The selection principle of the pulse current of the graphite electrode is based on the average current.

When the graphite electrode is large, the current density is usually set to 10â‰¤12Aâ‰¤cm2.

When the graphite electrode, the current density is usually set to 6 ~ 8 / cm2.

The amount of electrode size affected by the pulse current:
Longmen machining center with large area or small area is not suitable for normal discharge machining of graphite electrode.

The choice of current must be determined by the size of the electrode area, which is the most reasonable choice.

When the average current reaches 10A ~ 120A of graphite electrode, the smallest graphite machine electrode wears. As the current consumption of the electrode also increases.

The characteristics of the pulse current are: the larger the pulse current value, the faster the discharge machining speed, the larger the discharge gap, the rougher the surface roughness, and the smaller the electrode loss.

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