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Spot Welding Machine Manufacturer: Introduction to Benefits and Methods of Cleaning Weldments Before Welding
Release time:
2021-08-26 15:08
Source:
spot welding machine manufacturer : benefits and methods of cleaning weldments before welding introduction
cleaned weldment surface, its contact resistance value increases with the increase of storage time, because the cleaned weldment surface is oxidized under the same storage conditions, therefore, when the storage time is not long, the newly formed oxide film on the surface is thin and uniform, which has little effect on the welding quality, if the storage time is too long, the oxide film will thicken and cannot be welded. Therefore, for oxidized materials, the time from surface cleaning to the end of welding must be strictly controlled. The length of storage time depends on the type of material, surface cleaning method, storage environment and quality requirements.
There are many ways to clean the surface, which can be roughly divided into the following two;
1. Mechanical methods, such as sandblasting, polishing, polishing, etc.
2. Chemical methods: such as pickling, alkali washing, etc. The specific cleaning method should be selected according to the welding material, supply status, structural shape and size, production conditions and welding head quality requirements.
Shenzhen STE Technology Co., Ltd. is a high-tech production enterprise integrating R & D, production and sales of automatic welding equipment and power battery PACK line equipment. The company has the self-made R & D ability of independent R & D of new products, strong technical development force, and professional technical engineering team to provide customers with timely and perfect pre-sales and after-sales service.
Spot Welding Machine Manufacturer: Introduction to Benefits and Methods of Cleaning Weldments Before Welding
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