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Gear motors

Drives with high torque requirements and low output speeds are often more economically realized by combining a hydraulic motor and one- to four-stage planetary gear.


Our radial piston motors of the series

 

KM 11 - KM 110
RM 80 N - RM 250 N
RM 250 X - RM 3150 X

and our axial piston motors of the AE series can be combined as required with our one- to four-stage planetary gears. In addition, spring pressure disc brakes which are required to hold static loads in place, can be installed between motor and gears.

We distinguish between coaxial and angular gear motors:
Coaxial hydro-driven motors have a small design diameter, but usually require more installation space than angular gear motors.
These have a short design length and are often used as wheel drives on account of the clearance height.

With our gear motors, permanent torques of approx. 0.3 to 540 kNm can be achieved as standard. The capacity range is from 0.3 to 160 kW. If required, higher torques and capacities can also be achieved.

Disc brakes
For the secure holding of static loads, our hydro motors and motor-gear combinations can also be fitted with an additional spring.

Disc brakes

For the secure holding of static loads, our hydro motors and motor-gear combinations can also be fitted with an additional spring pressure disc brake. A distinction must be made here between brake types LBD and FL:

The LBD-type brakes form a single unit with the motor. They are always designed for the maximum possible motor torque. The connection dimensions of the brakes are identical with those of their respective motors, so that the brakes can simply be retrofitted if required. They include surface-treated interior parts and a special seal system, which allows these brakes to be operated with flame-resistant hydraulic fluids as well e.g. HFC.

Standardised add-on parts are used for attachment to a planetary gear.

Brakes of the type FL always form a unit with the respective gear. The hydro motor is also mounted to the brake input using standard add-on parts. The choice of brakes depends on the size of the gear and the respective holding torque. These brakes are not suitable for operation with flame-resistant hydraulic fluids or for switching frequencies greater than 60 per hour.

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