Hub gearbox
For the nimble fleet
Drives for AGVs need to be lightweight and compact while at the same time offering high power density and energy efficiency. Especially in the increasingly smaller shuttle vehicles for distribution systems in warehouses, there is little installation space available for the drives.
Eisenbach-based gearbox manufacturer Framo Morat and Bonndorf-based motor manufacturer Dunkermotoren have therefore developed a compact DC drive system. The hub gear used for the first time in this design for AGVs has advantages in terms of service life, reliability and noise compared to the wheel and toothed belt drives often used to date. The input and output shafts are arranged coaxially in this gearbox design. The radial forces are transmitted via the hollow shaft almost centrally between the two ball bearings.
A planetary gearbox transmits the torques between the input and output shafts. On the motor side, the combination has compact smart EC motors with integrated control electronics and all standard fieldbus and Ethernet interfaces. For example, complete travel profiles can be stored and called up in the built-in electronics. The drive unit is available with a nominal voltage of 12 to 60 volts and nominal output torques of up to 350 Newton meters. as
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