1 pinion drives the axis (the "learn") whilst the second pinion is "preloaded" to remove the backlash (the "slave"). The preload is produced electronically by using a Exclusive motor controller; these methods may also be arrange to push with each other all through cycle moments when backlash is not essential. https://codyovwyz.therainblog.com/31695764/5-easy-facts-about-gearbox-cvt-described