The gear OD has a graphic pattern applied to give the visual appearance of the helical gear teeth. Rather, a revolved cavity is included to reflect the mass of the gear and to automatically create the pitch diameter and tooth root diameter in subsequent drawings. Of special note is the way the gears are modeled. All machining is simple 2.5D and could be done using a manual knee mill and a manual lathe. It is designed for grease lubrication and uses readily available off the shelf components. The gearbelt input pulley has an integrated slip clutch designed to provide 0 to 110 oz-in torque. Some shafts turn in the opposite direction. This light duty gearbox provides multiple output shafts. Part transport needed to be positive and synchronized yet protected from occasional overload. The part to be labeled was transported using upper and lower sponge rollers. ![]() This gearbox was designed to drive a labeling machine.
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