Why should we clean the workpiece surface before using resistance welding machine?

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Why should we clean the workpiece surface before using resistance welding machine?

In addition to flash butt welding machines, whether it is spot welding machine, projection welding machine, butt welding machine or seam welding machine, Xinxing says that the surface of the workpiece must be cleaned before operation. Why?

CategoryNews Center
PublishedNot specified
SourceCompany technical archive

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ExceptFlash butt welding machine, whether it is a spot welder, projection welder, butt welder or seam welder, Xinxing says that the surface of the workpiece must be cleaned before operation. Why?

Oxides, dirt, oil and other impurities on the surface of the workpiece increase the contact resistance. An excessively thick oxide layer may even Prevent current from passing through. Partial conduction, due to excessive current density, will produce spatter and surface burn, oxide The unevenness of the layer will also affect the inconsistent heating of each solder joint, causing fluctuations in welding quality. So give it a thorough clean Workpiece surface is necessary to ensure high-quality joints

Wuxi Xinxing Welding Equipment Factory has been engaged in resistance welding for 29 years. Its core technology products include: semi-automatic butt welding machine, pneumatic-flash butt welding machine, multi-strand wire welding machine, foot pedal spot welding machine, pneumatic spot welding machine, medium frequency spot welding machine, row welding machine mesh welding machine, resistance automatic welding machine, energy storage welding machine, copper rod aluminum Rod and plate circular welding machine, auto parts spot welding machine, sheet metal spot welding machine, home appliance hardware spot welding machine, small electrical appliance spot welding machine, copper row copper pipe welding machine, nut spot welding machine, stainless steel welding machine, foil belt spot welding machine, aluminum spot welding machine, multi-head spot welding machine, bag cage spot welding machine, mesh row welding machine, ton barrel frame welding production line,Resistance automatic welding machine, brazing machines, diffusion welding machines, projection welding machines, seam welding machines, wire and cable optical cable supporting equipment, etc., reaching more than 300 types. If you are interested in our welding equipment, please contact us.

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