Re: NEW! DA Foam Discs and Backing Plates
We make these new backing plates to fit a variety of needs. A 3" plate/pads on a DA concentrates the energy of the tool into a smaller area which increases cut. But more commonly that combo is used to get into tighter areas where a larger pad simply won't fit. If using a traditional style DA buffer, and most definitely when using our new MT300, the 5" plate and discs are highly recommended. Still, some people like the 6" plate because they have a bunch of existing 6" pads, or they use another tool that requires 6" pads and, rather than have both 5" and 6" inventory, they just run a 6" plate on their secondary tool.
Pneumatic DA sanders, while providing the same motion to the pad as an electric DA tool does, just don't have the sort of torque needed to do heavy correction. They can be fantastic for light polishing and wax application, however. You'd probably want to stick with 5" discs with that tool, so go with the 5" backing plate.
Yes, it would, in theory. What we don't for sure about that plate is how stiff it is, or isn't. A stiffer plate will better transfer power from the tool through the foam disc and result in better cut. From the description of this plate it sounds as though it's very flexible at the edges which may not be the best thing for defect removal. The other concern is the appearance of the loop material on it as it does not appear to be a micro hook. That can be problematic as a taller hook on a DA can create a lot of heat where the pad and plate come together. This is only made worse when the hook on the plate does not match up with the loop on the pad/disc - heat can become excessive in very short order, and over time it can and will wear out both the hook and loop materials, making engagement of the pad/disc to the plate less secure. If you're looking at this particular plate for budgetary reasons, this may prove to be a false economy. Our plate (this one) is a mere $7 more and ensures that you've got the right size, the right hook, and the correct stiffness for optimum efficiency.
Originally posted by dbssoccer
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Pneumatic DA sanders, while providing the same motion to the pad as an electric DA tool does, just don't have the sort of torque needed to do heavy correction. They can be fantastic for light polishing and wax application, however. You'd probably want to stick with 5" discs with that tool, so go with the 5" backing plate.
Originally posted by greymda
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