Overarm: The overarm bears the load in the spindle and arbor assembly. It's present in addition to the column. It's often known as overhanging arm. Arbor: Arbor can be a variety of Device adapter (or tool holder) that supports adding a facet cutter or area of interest milling tools. It https://millingmachinesdental61481.blogsuperapp.com/27355932/not-known-factual-statements-about-machine-milling-drilling