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Welding spark sticks on Cu conducting clamp

Welding spark sticks on Cu conducting clamp

Welding spark sticks on Cu conducting clamp

(OP)
Our Pickling line uses flash butt welding machine for joining steel sheets. During welding of the steel sheets, sparks tends to stick on the clamp, which is a Cu based material, adjacent to the weld area, as this Cu clamp is to conduct electricity for welding process. Does applying some ceramic coating on the Cu clamp helps? Or what can be done such that the welding spark doesnt stick to the clamp?

RE: Welding spark sticks on Cu conducting clamp

You are probably talking of spatter particles.
You might try to use any of the anti-spatter products offered on the market to avoid sticking.

http://www.welding-advisers.com/

RE: Welding spark sticks on Cu conducting clamp

Here is an anti-spatter coating that we use when welding on and a round copper and welding on finished SS.  I would give them a call and seen if they have a coating that is a little more permanent.

http://www.zypcoatings.com/ProductPages/Welding.htm.  



An alternative to the anti-spatter approach is to use an Aluminum metal spray (Al metalize) on the affected side, not the contact side,  of the contact bar.  

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