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Build Up on A Rim
Posted: Thu Feb 18, 2016 11:30 pm
by cjohnson98
Hey guys I need some feedback on this, this rim was curbed and was about halfway flattened around a quarter of this rim. The person asked if I could just do a build up in one pass. This rim is cast aluminum, just wanted some feedback and some tips! Thanks!
Re: Build Up on A Rim
Posted: Fri Feb 19, 2016 7:33 am
by exnailpounder
Hope you have good liability insurance if that rim ever fails.
Re: Build Up on A Rim
Posted: Fri Feb 19, 2016 9:18 am
by big gear head
Looks like a Cobra Mustang wheel. Is it going to be machined again and repainted? Did you use 4043 or 5356 wire on it?
Re: Build Up on A Rim
Posted: Fri Feb 19, 2016 11:53 am
by GFab70
I hate dealing with the internet safety inspectors and the liability nazi's when ya post. I certainly don't mean to be one but I wouldn't do this job and have a paper trail back to me. That being said. Frequency 100 or a bit higher for a focused arc, I feel that helps when doing build up vs a low frequency that produces a wider arc therefore a wider bead. Small sharp electrode with as little cleaning action as possible as still allow for a clean puddle. That will depend on how clean the cast is and your surface prep.4043 if it's a dirty casting and 5356 if it's a clean casting. IMHO.
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