If the cooling water of the energy storage spot welding machine becomes hot during welding, continuing to use the hot cooling water for cooling will definitely reduce the cooling effect and affect the welding.
The reason why the energy storage spot welding machine needs to be cooled is because a large current flows through the entire circuit for a long time to generate heat, including the controller, transformer, copper bar, cable, handle, electrode, etc. During the heating process, the workpiece will also transfer heat to secondary connection parts such as electrodes. Continuous overheating of the controller and transformer will affect the life of the components or even burn them out. Overheating of the electrode will affect the life of the welding head. At the same time, the residual heat will also affect the welding effect. Usually, sticky electrodes will be encountered. The electrodes will wear out too quickly. The current time will not change but the energy will be ignored. higher.
Energy storage spot welding machine cooling is also related to the welding rhythm. Of course, this is related to the welding machine structure, load rate, etc. Excluding other influencing factors, the faster the welding rhythm, the higher the cooling requirements. The impact of cooling water heating on welding depends on the structure of the entire spot welding machine, welding effect requirements, welding rhythm and other factors.
It is recommended to replace the circulating cooling water tank with a larger volume and larger water flow when the cooling water is hot. If necessary, use an ice water machine with refrigeration function for cooling.
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Post time: Jan-27-2024