Originally Posted by
criswilson10
I asked an old machinist about "reverse" grinding and polishing once and his response was that you could do either, but that the set up was different. For "reverse" work, you want the top of the wheel at waist level so that are your arms are horizontal. For "forward" work you want the bottom of the wheel at waist level so that your arms are horizontal.
I get better results grinding "reversed" on top of the wheel, but I get better polishing results going "forward" on the bottom of the wheel. So as always YMMV.