How to Modify Laser Equipment Based on Different Welding Materials
06/03
2020
When laser welding different materials, the position of the laser beam plays a crucial role in determining weld quality—this is especially true for butt joints compared to lap joints. For example, when welding hardened steel gears onto low-carbon steel barrels, properly controlling the laser beam’s position helps produce a weld composed primarily of low-carbon constituents, which exhibits excellent crack resistance. Laser Equipment Modification In certain applications, the geometry of the workpiece to be welded requires a laser beam deflection at a specific angle. When the deflection angle between the beam axis and the joint surface is within 100 degrees, the workpiece’s absorption of laser energy remains unaffected.
Welding Speed: The welding speed has a significant impact on penetration depth. Laser equipment has undergone modifications and upgrades. After the laser equipment is upgraded, increasing the welding speed will result in shallower penetration; however, if the speed is too low, it can lead to excessive melting of the material and damage to the workpiece. Therefore, for a given material with a specific laser power and thickness, there exists an optimal range of welding speeds. Determining the cost of upgrading laser equipment—and the corresponding speed at which a desired penetration depth can be achieved—requires careful consideration. In laser welding processes, inert gases are typically used to protect the molten pool. While surface oxidation may not be a concern when welding certain materials, helium, nitrogen, and other gases are commonly employed for protection in most applications. Laser Equipment Modification Protect the workpiece from oxidation during the welding process.
Laser equipment renovation: After laser equipment is upgraded, laser welding becomes a welding process that uses a high‑energy‑density laser beam as the heat source—specifically, laser radiation heats the surface of the workpiece, and the heat on the surface spreads inward via thermal conduction, causing the workpiece to melt and form a well‑defined molten pool. The laser beam passes through the upper transparent material and is then absorbed by the lower layer. Once the laser energy is absorbed and converted into thermal energy, the laser equipment undergoes renovation. Because the two layers of material are pressed together, thermal energy is transferred from the absorption layer to the optical layer, causing both layers to melt and fuse.
Laser Equipment Modification Provided by Suzhou Youshun Laser Equipment Co., Ltd. Adhering to the corporate philosophy of “people-oriented,” the company boasts a highly skilled workforce dedicated to delivering high‑quality products and services that give back to society. We warmly welcome both new and existing customers to visit us and collaborate with us in creating a brighter future together.
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