Originally Posted by
Toolmaker51
Gang drills - box jigs - fixtures. Tooled correctly, still a tough combination to out-run in limited production. Before CNC, those 'limits' were FAR higher.
Set ups make all the difference. Advantage is short distance between spindles compared with auto tool change. Another factor is 'Design for Manufacturing', minimization of blind holes, various tap sizes, orientation of features, left and right hand parts, creation of burrs. . . I'd recommend utilizing the flood coolant, too.
Yes there is effort, physical movement but not strenuous.