With the extensive application of large integrated circuit and super large integrated circuit in the third industrial revolution, welding technology has also been widely used in the electronics industry. The circuit board welding technology mainly uses tin lead solder, and sometimes we need a variety of welding tools to complete a welding job. Such as Anti static Solder Iron, Tin Sucker, Rosin, Solder Paste, Solder Wire and Hot Air Gun. Now this article will introduce Rosin, Solder Paste, Solder Wire and Hot Air Gun.
1. Welding Accessories
When soldering components and pins in the internal circuit board of the smartphone, We need solder wire to connect the component pins to the printed circuit boards. In the welding process, in order to prevent solder oxidation we need flux paste to operate. We usually use flux paste mainly have rosin and solder paste. The following figure is the appearance of flux paste.
Tips:
Rosin is used to remove oxides and impurity during welding, then forming film to protect solder joints and not to be oxidized. Solder Paste is used to provide adhesion and fix components. Solder Wire is fusible metal, it has low melting point, and its function is to weld the welded metal together.
2. Hot Air Gun
Hot air gun is mainly used to remove welding and weld patches of welding tools. It is composed of a host machine and a hot blast welding gun and It has different shapes of solder nozzles. When you fixed, you should be based on the size of the welding site to choose the appropriate nozzle. The following figure is the appearance of hot air gun.
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