I haven't, but I was reading this other manual on how to do it, and it soundsed like it would work, fairly well. It also depends on how big the part and what material the part is made of. <a href="http://users.eastlink.ca/~pspencer/nsaeta/electrolysis.html" target="_blank">http://users.eastlink.ca/~pspencer/nsaeta/electrolysis.html</a>