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Originally Posted by RAG I'd like to know if the festool, with the forced rotation, leaves micro-marring on black paint like the PC and Cyclo do; I think when a DA changes direction some of the abrasives leave relatively deep gouges in the paint...deep enough that even when worked for a really long time, the micro-marring can't be completely removed. With the rotary the abrasives don't have to change direction and kind of roll themselves into oblivion. This, coupled with the "slowness" issue as themightyamah pointed out, will probably keep me from every going back to a DA. However, I'd be interested to know how the festool breaks polishes down and thus how well it works for final finishing on black...especially since I'll probably have to hire someone soon...and it will surely be a while before this person will be able to finish down on black with a rotary. |
I've never seen micro marring with a DA style machine, or with the forced rotation stuff either for that matter on any color paint, though, I do not use the forced rotation mode as a finish polishing method.
In my shop everything gets finished down with a DA machine, usually with the more powerful dual mode machine. Mainly this is because of the problem you are thinking about, employees. I learned early on that it was not worth the hassle to try and train every employee that will be working on exteriors the ins and outs of rotary polishing. I usully handle the tough jobs up to the final polishing steps then turn them over to an employee for DA work.