How to Manually Solder the PCB Circuit Board?

As a China PCB Manufacturer, share with you. Circuit boards are very important basic assembly parts in electronic equipment, and are widely used in various electronic equipment such as household appliances, instruments and meters, and computers. Therefore, when making circuit boards, all aspects must be considered clearly to ensure that there will be no problems when using electronic equipment. So, what issues need to be considered when making circuit boards?

1. Consider the type of production

Circuit boards are divided into single-layer boards, double-sided boards, and multi-layer boards. The conductive patterns of single-sided boards are relatively simple, and only one side of the substrate has conductive patterns, while double-sided boards have conductive patterns on both sides. Metal holes are generally used. Connect the conductive images on both sides. Multi-layer boards have multiple substrate layers and complex conductive patterns, so they are more suitable for sophisticated electronic equipment. Therefore, circuit board manufacturing companies with guaranteed quality should consider which type of circuit board they need to use when designing and manufacturing.

2. Consider the material of the substrate

The insulating laminate composed of polymer synthetic resin and reinforcing material can be used as the substrate of the copper clad laminate. There are many types of synthetic resins, commonly used are phenolic resin, epoxy resin, polytetrafluoroethylene, etc., reinforcement materials generally have two types of paper and cloth. These materials determine the mechanical properties of the substrate, such as cold resistance and bending strength Wait. Therefore, it is necessary to consider what kind of substrate to use when making the circuit board.

Let me share with you the five steps of hand-soldering PCB circuit boards, the specific steps are as follows:

1. Preparation for welding: the preparation before welding includes the cleaning of the welding part, the installation of components and the preparation of solder, flux and tools. Hold the solder wire in your left hand and hold the electric soldering iron in your right hand (the tip of the soldering iron should be kept clean and the soldering head should be kept in soldering state at all times).

2. Heating the weldment: pay attention to heating the entire weldment, to be evenly heated.

3. Feeding the welding wire: After heating the welding piece to a certain temperature, the welding wire soldering iron touches the welding piece from the opposite side.

4. Remove the welding wire: When the welding wire has melted a certain amount, immediately remove the welding wire.

5. Remove the soldering iron: Remove the soldering iron after the solder has passed through the soldering pad or the welding part of the weldment.

Our company also has Flexible PCB on sale, welcome to contact us.