When welding, an invisible force is generated in the weld area, which is called "weld stress" in mechanical terms. Even if we take the means of local preheating, the welding robot cannot avoid the generation of stress. The emergence of stress reduces the strength and fatigue resistance of the welded parts, which cannot meet the design requirements. At this time, how to relieve stress is very important. There are many ways to remove stress, but the most commonly used method is to use high-frequency induction annealing equipment to anneal heat treatment.
High-frequency induction annealing equipment is used for annealing heat treatment of the weld seam. The sensor is a profiling sensor manufactured according to the weld seam specification, which can ensure the uniformity of the welding seam heating temperature and heating area to the greatest extent, and will not appear in certain parts. Defects that cannot be heated can greatly improve the annealing effect of the weld seam, greatly reduce the stress of the weld seam after annealing, and meet the needs of the work.
High-frequency induction annealing equipment, which has a unique circuit design, uses power module units to form a system, even if a single power module unit is damaged, it will not cause equipment work interruption, so that the reliable operation of the equipment has been substantially improved. It can be used in conjunction with a feeding device and a thermometer when performing annealing heat treatment on the weld. In this way, it can not only ensure the accuracy of the heating temperature, but also enable workers to realize mechanized production.
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