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What are the welding skills of the cargo car |
| 发布时间：2019-07-03 阅读：2479次 |
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| 1. The welding operation is easy, but it is more time-consuming than materials, and the site welding conditions are poor. Quality defects such as undercut, porosity, slag inclusion and so on often occur. The welding may also reduce the protective layer of local reinforcement, which is harmful to the durability of the structure. There are some technical requirements and some limitations in the application.
2. In general, electroslag pressure welding can only be used in the connection of cast-in-place column reinforcement, which has limitations. Flash contact butt welding is operated in a fixed place, which is simple, fast, efficient and time-saving. If there are qualified welders and skilled workers, the welding quality will be guaranteed. Therefore, it is widely used in the connection of stressed longitudinal bars. All of the above can be used as the means of cargo tank car welding connection, which shall be selected according to specific occasions, position of welding object, equipment and technical conditions, operability, safety, reliability, economy and rationality.
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