Diagram Showing Application of Auxiliary Motor-driven Screw for Preventing Backlash Fig. ... The machines shown are gear shapers; the one shown at the left is arranged for belt drive and the one at the right is the same machine redesigned for direct-current motor drive. ... The stopping and starting of the ram are accomplished, in the case of the belt-driven machine, by a clutch and brake, which require aanbsp;...
|Author||:||Lester Gray French|