Ntchito yofanana kwa Onse awirimiyala ya orbitalndimapepala a sanderskusuntha abrasivemu achozungulira chitsanzo.

Kusiyana kwake ndi pamene apepala sanderamagwiritsamapepalasandpaper ngati abrasive, anorbital sanderamagwiritsa ntchito yapaderamchengazimbale. Ma disc awa amabwera mumitundu ingapo, ndipo amakhala okwera mtengo kuposa sandpaper wamba.