Originally Posted by ltmquik  .....We weld molds while they are still bolted to the table. I know they moldmakers do not even shut the machine down. The machine is grounded so there shouldn't be any problems. |
I hope you attach a good ground directly to the mold you are welding. If you rely on the grounding of the machine itself you can get arcing inside bearings or the linear ways. This is very bad news.