Spot welding machine is a kind of mechanical equipment, using the principle of double-sided double-point overcurrent welding, when working two electrodes pressed workpiece so that the two layers of metal under the pressure of the two electrodes to form a certain contact resistance, and welding current flowing from one electrode through the other electrode in the two contact resistance points to form an instantaneous thermal fusion, and welding current instantly from the other electrode along the two workpieces to this electrode to form a circuit, and will not hurt the welded workpiece internal structure of the welded workpiece.
The spot welding machine has a simple structure and the welding time, pressure and current can be adjusted. The spot welder can be used for spot welding of different metal thicknesses without fumes, noise or contaminants during the welding process, which makes the precision spot welder highly appreciated by customers.
Spot welding can be used almost universally on different types of metal materials. Specifically, Low carbon or soft steel is often spot welded because of its lower thermal conductivity and higher resistance compared to other metals. Steel coated with zinc can also be spot welded if the electrode is changed frequently and the surface and weld head are kept free of contaminants. Stainless steel, nickel alloys and titanium can also be spot welded.
Resistance spot welding is a versatile and widely used process. Spot welding machines are widely used in new energy vehicles, electronic and electrical components processing industry, aerospace industry, mechanical hardware manufacturing industry, home appliance manufacturing industry and other industries involving metal products.
In the new energy vehicle industry, the spot welder has more applications than in the traditional vehicle industry, because the new energy automobile is powered by a battery pack, and the electric motor converts the electric energy into driving kinetic energy. The spot welder is used not only for vehicle body coverings and structural parts, but also for battery packs.
The new energy battery pack is mostly connected by multiple batteries, and the link is copper and aluminum row, and the spot welder is mainly used for high temperature diffusion welding of copper and aluminum row. In the production of electric vehicle batteries, spot welding is used to connect individual cells together to form a complete battery pack. With the advancement of origin quantification, aluminum rows are being used more and more in new energy vehicles.
In the electrical and electronics industry, spot welding machines have replaced manual welding, and the welding efficiency has been greatly improved and the leakage rate has been significantly reduced. While satisfying the precision of the equipment, it also greatly improves the welding quality of customers and reduces the production cost.
China’s spot welding industry has developed rapidly through a large number of international exchanges and the introduction and absorption of advanced foreign technology, and the industry is expanding rapidly. It has empowered various industries, reduced production costs and improved production efficiency.
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Post time: Apr-15-2023
