Just one pinion drives the axis (the "master") while the 2nd pinion is "preloaded" to remove the backlash (the "slave"). The preload is developed electronically with a Specific motor controller; these systems can also be build to drive alongside one another during cycle occasions when backlash just isn't vital. The https://gearbox-cvt08520.59bloggers.com/33116057/an-unbiased-view-of-gearbox-cvt