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Inline selective soldering machine

Selective Soldering System China - The comprehensive details on the whole process

By Sasinno - April 05, 2020


The process, by which conventional leaded components are soldered into a PCB, is known as the selective soldering process. Initially, the ‘hard-to-get’ areas of a circuit board were carried out by hand operators using the soldering iron. This process has now become a recognized design process in the PCB manufacturing industry. The process is conducted once the surface mount reflow operation is done. One of the primary reasons why selective soldering in China is the most preferred option is because selective soldering is an automated system.


Selective soldering machine manufacture

It will pump the molten solder from the reservoir through a nozzle for coating the leads that are extended out from the bottom of a circuit. The system will move in different directions for applying solder on every lead it has been programmed for. Along with that, the selective soldering system China can be programmed for any length of time. You can customize the temperature that will be applied for availing of the best results. It is an excellent tool that bridges the gap between wave soldering and manual soldering. Thus, in most of the cases, it is the most preferred choice.

Another critical aspect of the selective soldering system is it offers a significantly low-cost approach over convenient wave soldering. It will provide the ability to eradicate the need for the costly wave soldering pallets when using the traditional masking method. Along with that, the quick interchange of solder baths, like eutectic to lead-free and vice versa, will help in reducing the production costs. Removing the need for hand soldering will assist in enhancing product quality and result in increased production throughput. There are certain conditions where the selective soldering system in China is the best option because the wave soldering method cannot be used, and the hand soldering method will not be an effective one. These conditions are as follows:


Selective Soldering System China

When it is a tall component height: The height of the solder wave comes with limitations. Some components are tall enough that they will block the wave from soldering the board.


Tight component spacing: When the thru-hole components are placed very close to the SMT components, there may not be too much room to fit a protective fixture around the SMT parts that allow effective wave soldering.

Uneven heating: If thick boards are being used, then it can be a problem for hand soldering. Thus it is difficult to get a single soldering iron for heating all of the thermally connected metal in the board while ensuring that there is enough space for the solder to flow through the holes. Here is where it is essential to get a selective soldering system in China.

Dense condensation of thru-hole pins: When the large connectors are used with numerous pins, it might get difficult for a soldering iron to get in each pin for soldering them effectively. In all of the above-mentioned scenarios, selective soldering can offer a cost-effective and efficient solution.

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