Precision Worm Reducer, Gantry Robot 3:1 Reducer, Dual Pitch Cavex Reducer, Dual Lead Worm, Screw Jack and more
Dual Lead means that there are two lead values. It is also called Duplex worm.
(Possible to adjust back lash and is used for controlling the angle of the table of NC index, machine tool and precision machine.)
Dual Lead: Two lead values exit. (Refer to below figure.)
Looking before and after back lash adjustment