[Industrial Knowledge] Selection and installation of 3 Axis CNC Milling machine The smaller sized competent training table kind 3 Axis CNC Milling machine has a worktable width of less than 400mm, which is most appropriate for the handling of little and medium-sized components and general milling jobs of untidy forms. Larger requirements such as a gantry milling device, with a worktable above 500-600mm, are used to take care of the processing demands of massive unpleasant components