The all-inclusive powerhouse

Highly integrated wheel hub drive with Plug & Play function

All functional elements in one compact system

Framo Morat has developed a highly integrated wheel hub drive that combines all functional elements, such as the wheel, a high-precision planetary gear, a powerful electric motor and a brake and electronics, into one all-inclusive solution. This modular and scalable system boasts high performance in a compact design and lets users make adaptations to the load capacity, torque, interfaces, sensor system and control profiles.

A high level of vertical integration in the component production, motor winding and assembly helps achieve short delivery times. When providing service and consultation, Framo Morat draws upon over 100 years of experience in gear technology and drive engineering and many years of industry expertise.

Wheel hub drive – Technical features

Maximum power density
High radial loads and constantly high acceleration and speed

Long service life
Drive system designed for efficiency with a long-lasting PUR wheel

Low level of maintenance
Components can be replaced individually thanks to the modular design

Intelligent drive system
Plug & Play function and a central parameter check using an optional sensor system

High level of integration
All functional elements housed in a compact space with minimal weight

Comprehensive communication
Comprehensive drive control system as an e-axle thanks to standard interfaces (e.g. RS485)

Wheel hub drive – Design

  • Powerful, replaceable PUR wheel
  • Efficient planetary gear (1- or 2-stage)
  • Separate wheel bearing
  • Universal customer interface
  • High-performance BLDC motor
  • Integrated holding brake
  • Integratable torque sensor
  • Industrial serial standard interface (RS 485)
  • Integrated ECU
  • Integratable motor encoder
  • Sealed overall system

Wheel hub drive – Dimensions

Dim. Values
L1 217 mm
222 mm
L2 189 mm
194 mm
L3 70 mm
D1 Ø 120 mm
D2 Ø 160 mm
B1 50 mm
S1 160 mm
S2 75 mm
□1 183 mm
□2 100 mm

Wheel hub drive – Performance data

1-stage drive 2-stage drive
Nominal power 800 W
Max. power *1 1350 W
Nominal voltage 48 VDC
Nominal current 20 A
Max. power consumption *2 35 A
Brake holding torque *3 2,2 Nm
Brake nominal voltage 48 VDC
Encoder Contactless, absolute angle sensor (up to 14-bit)
Encoder communication Serial SPI, incremental ABZ interface (12-bit) and SSI output (14-bit)
Max. speed *4 8 km/h
Max. acceleration *5 1 m/s2
Acceleration (80% of the load capacity) 0,75 m/s2
Max. system speed *6 265 rpm
Nominal torque *7 18 Nm 21 Nm
Acceleration torque *8 36 Nm 42 Nm
Emergency torque *9 54 Nm 63 Nm
Protection class IP54
Ambient temperature 0 - 40° C
Load capacity per wheel *10 250 kg 500 kg
Max. radial force per wheel 2.500 N 5.000 N
Max. axial force per wheel 800 N 1.700 N
Wheel diameter Ø 160 mm
Wheel width 50 mm
Hardness of tread 92° Shore
Rolling resistance 65 N
Friction coefficient > 0,25
Drive weight *11 9 kg 10 kg

*1 – Maximum electrical power during the test cycle
*2 – Maximum current consumption during the test cycle
*3 – Holding torque based on input side
*4 – Recommended maximum speed
*5 – Max. acceleration based on empty run
*6 – Corresponds to 8 km/h at Ø160 mm

*7 – Nominal values are based on a service life of 30,000 h
*8 – Max. 250 cycles per h, T2B proportion <5% of the total running time
*9 – Max. 1000 cycles during the entire service life
*10 – The load capacity specifications of the wheel manufacturer may vary
*11 – Drive weight based on condition upon delivery

All in one – one for all

Hub gearboxes – Platform and customer-specific adaptations

Besides the complete drive system, hub gearboxes from Framo Morat have proven their utility in connection with other motors, brakes & controlers, in wheel drives for driverless transport systems thanks to their compact design, which is achieved by integrating the planetary stage into the impeller. The advantageous arrangement of the bearings and the direct transmission of force into the vehicle frame enable high radial loads.

To facilitate short delivery times, the hub gearboxes are available in the NG250 and NG500 variants, each in single- and double-stage versions with polyurethan wheels. The low-maintenance design makes it easy to change the wheel. Customer-specific adaptations, such as a brush seal for outdoor applications or a toothed belt for use in high-bay warehouses, can be made upon request. Further information about the hub gears you’ll find at the Framo Morat website.

Types

NG 250

  • Max. load capacity 250 kg
  • Standard wheel size 125 mm
  • Total gear length 62,5 mm

NG 500

  • Max. load capacity 500 kg
  • Standard wheel size 160 mm
  • Total gear length 64 mm

Custom

  • Individual radial load
  • Application-specific interfaces (motor and impeller)

Product features

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