Ball Screw Servo Drilling Spindle Head

The spindle holds the drill or cutting tools and revolves in a fixed position in a sleeve. In most drilling machines, the spindle is vertical and the work is supported on a horizontal table. The sleeve or quill assembly does not revolve but may. slide in its bearing in a direction parallel to its axis.There are total 13 number of spindles rotating with same speed (650 r.p.m.) with the help of main gear (SP2), Hence we have to consider diameter of the two gears .