Orbitals
Dual-action Polisher - (Also called orbital polishers) These machine polishers mimic the random motion of hand application. The pad does not rotate, it oscillates in very short movements. It will appear that the pads on these machines just "vibrate" on the surface. This is correct. The pad is not supposed to "turn". Orbital polishers offer the greatest safety as they can not generate enough heat or cut to damage the paint. Because the pad does not rotate, orbital polishers can not create swirls. These are excellent machines for enthusiasts but are also used by professionals for finish polishing, final waxing and buffing. These polishers can remove very light swirls but can not remove deeper swirls, scratches or paint imperfections. The Porter Cable 7424 is an example of a dual-action or orbital polisher.
Rotary or High-speed Polisher - (Also called a circular polisher) These are the same professional, machine polishers used by automakers and body shops for removing sanding swirls, scratches and paint defects. These machines are best used for compounding which abrades away or levels the top paint surface. The pads do rotate on circular polishers. Most circular polishers have detent speed settings which allow the operator to control the speed up to a pre-determined limit. Many enthusiasts are afraid of these machines but they shouldn't be. When used in the 900 to 1100 rpm range, these machines are very safe for novice users. Unlike orbital polishers where the pad is used flat on the surface, a circular machine is tilted slightly to work only on the side of the pad. Professionals will use a circular polisher to remove swirls, scratches and paint defects and then follow with an orbital polisher for polishing (removing compounding haze) and finishing (applying a wax or paint sealant). The Makita 9227 and DeWalt 849 are examples of circular polishers.
Hope this helps.
If you are planning on purchasing, I would suggest the PC 7424 wuth a velcro backing plate. Made my T/A (with the help of the Menzerna Twins) look 10x better.


Why would you use a machine to remove NXT? It is a wax, not a polish. I use 100% cotton towels with very light buffing action by hand and the NXT just comes right off, easy as pie. I wouldn't even spend the energy of getting my buffer out for that job.
:cheers:
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or if products needed in complete kit :
http://www.autogeek.net/pcw100.html
remember to use couponcode "corvetteforum" on checkout to save another 10% off their prices at http://www.autogeek.net




