HQ slewing drive with enveloping worm has more torque transporation dun to applivation worm technology comparing the traditional worm drive unit

       with the single enveloping worm design which the worm mesh more teeth with gear in comparing with conventional worm gearing.This feature bring the total torque load distributed among more teeth,increasing durability,precision and efficiency and meanwhile maximum load capacity in compact design.

       HQ slewing drive delivers dependable operation with the rugged design ensuring many years of low-maintenance operation and feature of easier installation and compact space etc.

       HQ dual axis slewing drive unit can move the solar trackers in azimuth and elevation angle.