Dynabrade's 4 1/2-in.-diameter depressed-center wheel grinder features a 12,000-rpm, 1-hp air motor for cleaning metal before welding and removing weld beads afterwards. This grinder has a safetylock ...

Each day, the typical shop likely has some form of automation on the floor, but grinding and welding tend to remain manual processes, due to cost, product mix, or the perceived complexity of ...