What is the function of photovoltaic welding strip rolling mill

The key role of photovoltaic welding strip rolling mill includes ensuring the dimensional accuracy of the strip, optimizing the mechanical properties of the strip, improving production efficiency and product quality, etc., as follows:

1.Ensure the dimensional accuracy of the welding strip: Photovoltaic welding strips require extremely high dimensional accuracy. The photovoltaic welding strip rolling mill gradually rolls the copper strip to the target thickness through multiple passes, and uses side pressure rollers to control the width of the welding strip. At the same time, equipped with online size monitoring and closed-loop control system, real-time monitoring and automatic adjustment can control size deviation within a very small range, meeting the standards of the photovoltaic industry.

2.Optimizing the mechanical properties of the welding strip: During the rolling process, the metal grains inside the copper strip can be refined, forming a more uniform metal structure, improving the ductility and fatigue resistance of the welding strip, making its elongation meet industry requirements, and avoiding brittle cracking during welding. In addition, through reasonable rolling processes and roll design, the integrity of the tin plating layer on the surface of the welding strip can be ensured, preventing the tin plating layer from falling off or scratching, and avoiding oxidation and rusting of the welding strip.

3.Improving production efficiency: photovoltaic welding strip rolling mill usually have continuous feeding and winding functions. By using a tension control system to maintain the uniform speed of copper strip operation, the integration of "unwinding rolling winding" can be achieved, which can significantly increase production capacity. At the same time, some rolling mills are also integrated with automated defect detection systems, which can identify surface defects on welding strips in real time and automatically mark them, reducing manual quality inspection costs and improving production efficiency.

4.Ensure product quality stability: The photovoltaic welding strip rolling mill can adjust the upper slider to ensure that the parallelism between the upper and lower pressure rolls is within an effective range and maintain a reasonable gap, thereby ensuring high quality and stable size of the produced welding strip products, and avoiding unstable welding strip quality caused by rolling roll problems.

5.Adapting to the production of irregular welding strips: With the development of photovoltaic technology, the demand for irregular welding strips has increased. The photovoltaic welding strip rolling mill can process the roller surface into grooves that match the cross-section of the irregular welding strip through customized roller design, and roll the copper strip into irregular structures with non rectangular cross-sections, providing support for the technological iteration of photovoltaic modules.

6.Cleaning and preheating of workpieces: Some photovoltaic welding strip rolling equipment is equipped with cleaning mechanisms and heating sleeves. The cleaning brush can clean the workpiece before rolling, effectively avoiding impurities from adhering and affecting the accuracy of subsequent rolling operations and product aesthetics. The heating sleeve can preheat the workpiece, making the rolling effect faster and higher.