A DA sander, quick for Twin Motion sander, is an influence instrument used for sanding surfaces. It employs a random orbital motion, the place the sanding pad spins in a round movement whereas concurrently transferring in an elliptical orbit. This twin motion helps stop swirl marks, leading to a smoother, extra uniform end in comparison with single-action orbital sanders or belt sanders. An instance use case is making ready automotive physique panels for portray.
The advantages of using this sort of sander embrace its means to take away materials effectively whereas minimizing the chance of harm to the workpiece. The random orbital movement is much less aggressive than different sanding strategies, making it appropriate for numerous purposes, from positive ending to eradicating paint or rust. Its historic context includes its evolution from less complicated orbital sanders, designed to handle the problem of swirl marks and enhance sanding high quality throughout completely different industries.
