Electric Soldering Iron Adjustable Temperature Internal Heating,Solder Iron Tip Kit Welding Pencil Repair Tools,welding Tools

Welding Pencil Specification : Power: 60W Temperature adjust: 200°C - 450°C Advantages of welding: 1. No drilling, no extrusion, you can buy an electric welding machine for the price of an electric drill, the price of welding rods is low, and the cost is really low. 2. Welding simplifies assembly process and high production efficiency. 3. The joint is a continuous fusion at the atomic level, with high structural strength and good joint sealing. 4. Easy to learn, low cost, and widely used. Precautions for using electric soldering iron 1. Before soldering, the excess part of the lead wire of the component should be cut off and tinned. If the surface of the component is oxidized and not easy to tin, you can use fine sandpaper or a knife to clean the surface of the lead, and use a soldering iron tip to dip an appropriate amount of rosin core solder to tin the lead. 2. When soldering, place the lead wire of the component with tinned tin on the position to be soldered, such as the pad hole of the printed board or the small hole of the solder piece of various joints, sockets and switches, and use a soldering iron tip with an appropriate amount of tin on it. The soldering part stays for about 3 seconds, and after the soldering iron is removed, a smooth solder joint is formed at the soldering part. 3. After welding, carefully observe the shape and appearance of the solder joints. The solder joints should be hemispherical and the height is slightly smaller than the radius. They should not be too bulging or flat. The appearance should be smooth and uniform without obvious pores or depressions, otherwise it will easily cause false or false welding. When welding the leads of several components at the same time, more attention should be paid to the quality of the solder joints.