This standard applies to all types of resistance welding equipment, welding torches with built-in transformers and mobile resistance welding machines. The types of resistance welding machines are as follows: - single-phase AC resistance welding machines; - single-phase secondary rectification resistance welding machines; - single-phase inverter resistance welding machines; - three-phase secondary rectification resistance welding machines; - three-phase primary rectifier resistance welding machine (sometimes called frequency converter); - three-phase inverter resistance welding machine. This standard does not specify safety requirements, nor does it apply to solder-resisted transformers sold separately.
GB/T 8366-2004 history
2021GB/T 8366-2021 Resistance welding—Resistance welding equipment—Mechanical and electrical requirements
2004GB/T 8366-2004 Resistance welding-Resistance welding equipment-Mechanical and electrical requirements
1996GB/T 8366-1996 Rating of resistance welding equipment