Hoping someone has some experience they can share on refinishing the cast iron tops of some shop equipment. I have a 8" long bed planner & a 3hp shaper, both made by Grizzly. I bought these new a few years ago & never got to set them up, other than to test them & unfortuneatly I had to store them in an out building without any climate control. I thought I had protected the tops with a metal protectant but it didn't work to well & they rusted up! Hopefully the tops can be polished up, maybe sand first than metal polish? Has anyone had any luck doing something like this? Thanks.