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If you do not have a welding machine, then in Moscow you can use the service of spot welding. As a rule, it is resorted to by people who design batteries for Hobie devices or electric vehicles. Provided that spot welding services are required for an already assembled battery, you will be guaranteed a minimum price for the work. Such batteries are already fastened together and they produced the necessary wiring of Nickel plates, and sometimes balancing wires. The master will take only for spot welding of elements, as a rule, it is about 50 rubles. for one contact. When ordering spot welding services in Moscow for large batteries or several pieces, of course, offer a discount.
Today we will talk about how spot welding for 18650 batteries takes place. This method of connection of cans can be found in almost all professional devices. This is largely due to the processes of production of battery packs, the company brazes them robot. Of course, you can entrust this business to two dozen workers with soldering irons in their hands, but it will be more time-consuming and more energy-consuming.
Spot welding for batteries is a relatively new and sought-after type for battery Assembly. In fact, this type of soldering, let's call it so, came to us from the automotive industry. For many years, the car body, or rather their components, were fastened together by point (contact welding). What are its main advantages? Perhaps the priority should be attributed to the speed and reliability of the connection. Imagine if every seam in a car was first treated with solder, then heated and brazed, about the same thing would be with the use of conventional welding. In addition, a reliable weld in modern conditions can provide only laser welding, but also point at the time coped with this perfectly.