Oil-coated passivation film galvanized steel sheet welding process
A galvanized steel sheet, welding process technology, applied in welding medium, welding equipment, welding equipment and other directions, can solve the problem of unfavorable oil-coated passivation film galvanized steel sheet welding, oil-coated passivation film galvanized steel sheet welding difficulty, welding effect It can achieve the effect of good welding effect, low cost, high efficiency and high degree of automation
Inactive Publication Date: 2020-11-03
PANGANG GROUP RESEARCH INSTITUTE CO LTD
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Abstract
The invention relates to the technical field of galvanized steel sheet welding, in particular to an oil-coated passivation film galvanized steel sheet welding process. Oil-coated passivation film galvanized steel sheets are welded through a resistance spot welding mode; and equipment and parameters thereof during resistance spot welding are that a welding machine is a single-phase rectification type direct-current spot welding machine, an electrode is made of a Cr-Zr-Cu alloy, the diameter range of the end face of an electrode is 5-7 mm, the welding current range is 9.7-11.0 kA, the time rangeof each time of spot welding is 1-1.8 s, and the electrode pressure range is 2.5-3.5 kN. By the adoption of the resistance electric welding process, the nugget diameter of each spot-welded joint ranges from 3.1-4.5 mm, a nugget of each spot-welded joint meets the standard requirement, the shear resistance of each spot-welded joint is detected, the shear resistance of each spot-welded joint is larger than 2.0 kN, the shear resistance is better, the welding effect is remarkably improved, and welding of the large-scale oil-coated passivation film galvanized steel sheets is facilitated.
Application Domain
Welding/cutting media/materialsSoldering media +1
Technology Topic
Welding jointAlloy electrode +11
Examples
- Experimental program(8)
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PUM
| Property | Measurement | Unit |
| Thickness | 6.0 | mm |
| Surface diameter | 6.0 | mm |
| Diameter | 3.36 | mm |
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