来源：http://jnggsdz.com 发布时间：2019-12-17 15:31:14
What should be paid attention to in the processing of patterned aluminum plate lined with aluminum plate, and how to achieve better processing effect? Here are some steps:
1. Cutting: plasma cutting, carbon arc cutting, grinding wheel saw cutting large area composite aluminum plate, cutting into the required shape. The best way is to use air or inert gas plasma arc cutting. Cutting from alloy surfaces is recommended. Carbon arc cutting shall start from one side of the substrate. If a saw blade is used, only linear cutting can be performed. Silicon carbide saw blade is required.
2. Bending: the aluminum plate after bending can be cold processed and formed, and then bent into the required shape, arc or circle as required. During concave forming, alloy cracks will be closed due to internal stress; after punch forming, cracks will become larger, which is a normal part. If the crack is too large, use a suitable electrode to repair it. Crimp the tube to the recommended minimum bending radius.
3. Opening: the large hole is plasma cut and the small hole is EDM. The counterbore of the assembly bolt can be cut by plasma arc or carbon arc.
4. Welding: the base material of large-area patterned aluminum plate is aluminum plate with good welding performance. When two aluminum plates need to be connected together, the later base material is welded together first, and then the corresponding welding electrodes are filled in the former welding layer. Patterned aluminum plates can also be welded to other steel structures.
5. Plug welding: plasma or carbon arc gas can be used to drill holes on figured aluminum plate and connect with other steel structures through plug welding.
6. 螺栓固定:螺栓可通过闪光焊或熔焊焊接到钢板基材上，然后与其它工件连接。7. 表面处理:有花纹的铝板表示不需要加工。如果需要加工，只能研磨，其他常规方法不适用。花纹铝板不适合高表面精度要求。
6. Bolt fixation: the bolt can be welded to the steel plate base material through flash welding or fusion welding, and then connected with other workpieces. 7. Surface treatment: patterned aluminum plate indicates that it does not need to be processed. If machining is required, only grinding is allowed, other conventional methods are not applicable. Patterned aluminum plate is not suitable for high surface accuracy requirements.
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