Hot Start Function
The hot start function briefly increases the welding current when striking the stick electrode, which ensures reliable arc ignition and prevents the electrode from sticking.
Physical-Chemical Mechanism
The hot start function briefly increases the current during ignition to raise the temperature of the electrode faster. This speeds up melting of the metals and ensures better contact between the electrode and the workpiece.
Metallurgical Relevance & Welding Risks
The hot start function prevents electrode sticking, which can cause arc ignition problems. It ensures more reliable arc starting and reduces the likelihood of hot cracks or incompletely melted material at the start of the weld.
Shop Practice & Instructions
Activate the hot start function before starting the welding process. Make sure the electrode is positioned correctly and the material is properly guided. If you have ignition problems, check the hot start settings and make sure all components are clean.