A single pinion drives the axis (the "master") when the next pinion is "preloaded" to get rid of the backlash (the "slave"). The preload is made electronically using a special motor controller; these programs can even be build to travel collectively in the course of cycle times when backlash is https://keeganpiwhs.bloggazzo.com/31854529/rumored-buzz-on-gearbox-cvt