One particular pinion drives the axis (the "learn") whilst the 2nd pinion is "preloaded" to remove the backlash (the "slave"). The preload is made electronically by using a Specific motor controller; these techniques can be build to drive alongside one another during cycle occasions when backlash just isn't important. In https://gearbox-cvt02456.creacionblog.com/32529099/facts-about-gearbox-cvt-revealed