... HFseries gearbox, are novel transmission device and composed of Y series motor, helical gear, Gelisen arc cone gear ... and worm gear. The gears are made of high wear ... , small volume, nice appearence and strong capacity of being overloaded.2:Pecise division and wide selection ... in Apr and Oct in GuangzhouWorld Of Industry 2012 Part Ⅱ F series gear gearbox