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Methods to Extend Electrode Service Life Against Rapid Wear & Heavy Material Adhesion for Capacitor Discharge Spot Welders
Jul 16,2026
Electrodes are key consumables in mass production of energy storage modules and power batteries. Their service life directly affects production efficiency, welding quality and manufacturing costs.
1 Proper Electrode Selection to Reduce Wear & Adhesion
1.Select electrode materials matching working scenarios: thin copper foil / nickel plating welding, aluminum foil / aluminum component welding, mass welding of high-hardness high-melting-point materials.
2.Optimize electrode structure: end face design and head finishing to reduce localized wear and metal adhesion.
2 Optimize Welding Process to Eliminate Wear & Adhesion Triggers
1.Optimize discharge energy and waveform parameters.
2.Adjust electrode pressure and pressing cycle: increase pre-pressure, extend pre-hold & post-hold time, adopt constant pressure control.
3.Control welding frequency; reserve cooling intervals between consecutive welds to avoid electrode overheating.
3 Standardized Equipment Maintenance to Slow Electrode Degradation
1.Grind electrodes regularly to remove adhered metal and oxide layers timely.
2.Strengthen cooling system maintenance; inspect cooling pipelines & heat sinks frequently and clear blockages.
3.Maintain welding loop to cut extra electrode loss.
4 Complete Material Pre-Treatment & Auxiliary Protection
1.Clean oil, oxide films, dust and moisture off workpiece surfaces thoroughly before welding.
2.Apply auxiliary protection processes to mitigate electrode adhesion.
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Wuxi HAIFEI Intelligent Equipment Co., Ltd.
Wuxi HAIFEI Welding Equipment Co., Ltd.
Add: 28 Shuiyun Road, Yuecheng, Jiangyin, Jiangsu Province, China. (Postal Code: 214404)
Mobile: +86 18915302352
Email: wushijie@jshaifei.com