Introduction:
As Electric Vehicle (EV) charging stations move toward Ultra-Fast Charging (350kW+), the thermal and electrical demands on internal busbars have reached unprecedented levels.
The Industry Trend:
Traditional wiring is being replaced by integrated Copper Busbars to handle higher current densities in smaller footprints. However, this shift requires extreme precision in fabrication to prevent “hot spots” caused by poor electrical contact.
Meida’s Case Study:
We recently helped a leading EV infrastructure provider optimize their power module.
-
The Problem: Their original busbars suffered from inconsistent hole alignment, leading to high resistance at connection points.
-
Our Solution: By applying our Spring-back Compensation Logic during the CNC bending of C1100 pure copper, we achieved a hole-alignment accuracy of $\pm 0.1 \text{ mm}$ across the entire 10-layer stack.
-
Result: The new design reduced heat dissipation by 12% and shortened their assembly time by 15%.
Conclusion:
In the green energy revolution, the difference between a reliable system and a failure often lies in the precision of a single copper component.