Luvata is one of the most respected manufacturers of resistance-welding electrodes. Luvata's resistance-welding electrodes are used on robotic welding machines, primarily in automotive applications.
The unique blend of superior alloy composition and proprietary cold working properties enhances the welding performance of Luvata electrodes in adverse welding conditions created by coated materials.
The Ideal Solution for Resistance Welding Coated Steels
The introduction of galvanised and high strength steels, as well as a variety of newly developed coatings in automotive manufacturing have created new challenges for resistance welding.
Zinc, higher strength steels and other coatings can have adverse effects on the performance and life of cap welding electrodes, leading to premature wear and tear, sticking and increased dressing frequencies to maintain quality welds. As a result, traditional welding with chrome and/or chrome zirconium alloy electrodes has become inefficient and costly.
Luvata’s resistance-welding electrodes have been designed to overcome these challenges and provide the ideal solution for demanding welding conditions.
In today’s resistance welding market, cap electrodes are manufactured from four materials:
CuCrZr. C18150, RWMA Class 2. The lower percentage of chrome in comparison to the standard Class 2 CuCr material and the addition of Zr to this Copper alloy discourages the alloying affect of zinc and copper to form brass on the electrode face and helps to prevent sticking.
» Read more about Luvata's A-Trode®
CrCu. C18200, Luvata's standard Class 2 material. The industry standard for the welding of non-coated steels.
0.5% AL2O3 in Copper. Dispersion Strengthened Copper C15725, RWMA Class 20. A cost effective alternative to Nitrode.
1.1% AL2O3 in Copper. Dispersion Strengthened Copper C15760, RWMA Class 20. The most cost effective cap electrode available for resistance welding applications.
» Read more about Luvata's Nitrode®
A welding cap electrode with a Nitrode (C15760) core or insert, and a Z-Trode (CuZr C15000) jacket. Provides the performance of the full-bodied, Nitrode, while reducing the overall cost of welding.
» Read more about Luvata's Nitrode Composite
The Luvata P-Cap is a self-dressing electrode that maintains a constant current density across the weld face under typical welding forces. It should be used with either the Nitrode Cupal or Z-Trode materials for the best results.
» Read more about Luvata's P-Cap
CuZr. C15000, RWMA Class 1. Superior electrical conductivity, resistance to sticking and annealing make this copper alloy material one of the most cost effective materials for welding light-to-medium gauge coated and uncoated steels.
» Read more about Luvata's Z-Trode®