LASER WELDING PROCESS FOR STEEL PLATES
DE602024003543T2Active Publication Date: 2026-04-01TAIWAN MASK
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Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2024-02-28
- Publication Date
- 2026-04-01
AI Technical Summary
Technical Problem
Existing laser welding methods are not applicable to thicker steel plates beyond 10 millimeters, and there is a need for improved methods to enhance weld quality and stability in such thicker plates.
Method used
A laser welding method using a power range of 20,000 to 30,000 watts, a welding angle of 0 to 10 degrees, and a molten region depth of 20 to 50 mm with a width of 4 to 7 mm, combined with defocusing distances and protective gases like argon, helium, or carbon dioxide, to achieve stable welding in thicker steel plates.
Benefits of technology
The method enables effective welding of steel plates up to 50 mm thick with enhanced strength and reduced defects, such as pores and nail head weld beads, by ensuring uniform heat distribution and plasma removal.
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