Among the pcb manufacturing suppliers, special equipment and tools are required for smt welding, desoldering, assembly, and circuit board inspection . This chapter begins with the most basic welding tools for electronic products and introduces manual-welded welding tools—electric soldering irons.
PCB soldering tool is one of the indispensable tools in the welding process of electronic products. In the manual welding operation process, the soldering iron is an indispensable tool. It a welding tool which relies on the heat conduction of the soldering iron to heat the base metal and melt the solder. The following is a detailed introduction to the soldering iron.
Electric soldering iron is an electric heating device used to weld electronic components, electrical circuits, metal wires and other metal objects. According to the requirements of the welding operation, the soldering iron needs to have the conditions of fast temperature stability, sufficient heat, low power consumption, high thermal efficiency, low temperature drop, continuous welding, light weight, easy operation, convenient maintenance, firm structure and long service life. In addition, the soldering iron should also have low leakage current, low static electricity, and no magnetic influence on the components. Because the soldering iron is small and light, it is widely used. Generally, the soldering iron used in welding is 220V, 50Hz AC. However, in the low-power transistor lead welding, a safe 24V, 12V, 6V low-voltage power supply soldering iron should be used,so avoiding damage to components during welding.
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The solderability handling of components is actually the tin plating of the cleaned components’ lead. Tin plating is a very important process in manual welding operations. Only the welded surfaces of the components are welded,so that the reliability and speed of welding will improve and reduce th...
Reliability generally refers to the probability that a product will perform a specified task under specified conditions within a specified time. It is related to the corresponding load, usage environment, and application cycle. It is usually evaluated by using a temperature cycling method. The re...