Quote:
Originally Posted by badav
hello. i am attempting to polish some stainless steel moulds. i am using a 2850rpm bench grinder, 6" sisal & loose cotton wheels with black & green compounds.
i have been reading this site extensively but i have some questions too. i notice in the "pick a buff" link on the main page, this information is listed to polish stainless.
what do you do different in the 2nd stage, as opposed to the 3rd stage. is it just the direction that you apply the workpiece against the wheel (cut/colour motion??
so far the way i have done it is to hit the piece with 400,800 & 1200, then buff with sisal/black and polish with loose cotton/green. what could i be doing to improve my results.
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First off what is the condition of your molds prior to your starting to sand? If there are no significant scratches I would go direct to the Emory on a sisal buff, then to green on a sewn buff.
I believe Stage 2 and Stage 3 refer to cutting (initial polish) and coloring (polishing and luster) in that order. Remember to rake your buffs often.
John