Oct 18, 2021 tinned solder tape and flux

Quality control in welding production process

(1) Count the types of defects in the welding production process. Common defects in the welding production process include foreign matter in the components, splits, chipped corners, broken corners of the cell, the gap between the cell string and the…

Oct 12, 2021 tinned solder tape and flux

Welding process parameters of crystalline silicon solar cells

In the welding process of crystalline silicon solar cells, in addition to the quality factors of the cell itself, the main factors that affect the welding effect are the following aspects: welding process parameters (welding temperature, welding time, etc.), selection…

Oct 08, 2021 tinned solder tape and flux

Solar cell welding operation method and post-welding inspection method

The welding of the cell is to weld the bus strap to the main grid line on the front (negative) of the battery. The bus strap is a tin-plated copper strip. An incorrect welding process will cause the power of…

Sep 18, 2021 tinned solder tape and flux

Welding equipment for solar photovoltaic modules-electric soldering iron

Welding equipment (electric soldering iron) constant temperature welding table is shown in Figure 1. Figure 1 Constant temperature welding station Ⅰ. Welding tools(1) Clean the sponge. Soak the cleaning sponge with water before using the soldering station, and then squeeze…

Aug 21, 2021 tinned solder tape and flux

The working principle of flux and the influence of welding rod quality

①Soldering fluxSoldering flux is a liquid soldering material with rosin as the main component. In the production of solar photovoltaic modules, lead-free and residual-free soldering fluxes are usually used. Figure 1 shows the flux produced by a certain company. Figure…

Aug 07, 2021 tinned solder tape and flux

Performance testing and storage characteristics of tinned solder tape

Ⅱ. Performance testing of tinned solder tapeThe performance test items of tinned solder tape are shown in Table 1. Test itemsInspection contentDetection method (use tools)PackageWhether the packaging is intact; confirm the manufacturer, specifications and shelf life, the shelf life of…