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Ihre Vorteile

Precise performance
Guaranteed top performance for demanding applications.

Flexible
Seamless integration and adaptability to your individual needs.

Reliable
Long-term performance and minimal maintenance requirements thanks to integrated lifetime lubrication and robust construction.

Space-saving and powerful
Maximum performance in minimum space, giving you more freedom to design your systems.

ZN.. cycloidal servo gear unit – compact, precise, powerful

Our ZN.. servo cycloidal gear units embody the best that modern drive technology has to offer. With their unique combination of precision, performance and modularity, they set new standards in the industry. These advanced drive systems are reliable partners for your most demanding projects. Whether you work in the food industry and need fast and precise positioning of your production lines, are involved in robotics and need to implement extremely precise motion sequences, or want to implement demanding applications with minimal vibrations in medical technology - our ZN.. servo cycloidal gears offer you the optimal solution.

Thanks to their compact design, dynamic performance and modular construction, they can be seamlessly integrated into your existing systems and adapted to your individual requirements. The mechanical backlash-free nature and the high torsional and tilting rigidity of these gearboxes are particularly noteworthy. With their robust designs and quick commissioning, they are the perfect choice for demanding applications in a wide range of industries. Our gearboxes are factory-lubricated for life, ready to install and available in up to twelve sizes.
Contact form Worldwide locations Locations in Germany

Any gear unit-motor combination from the kit

The MD adapter combines the advantages of a direct motor attachment with the benefits of an adapter attachment. Despite its enormous compactness, the MD adapter offers, in addition to the positive torque transmission, the option of easily replacing the CM3C servo motor.

The HN adapter provides a wide range of different possible motor mounting dimensions for even more flexible motor mounting by the customer. The mounting is carried out force-locking via a clamp coupling. The ZN.. cycloidal servo gear unit from SEW-EURODRIVE is optimally matched to operation on the servo inverters of the MOVI-C® automation system. The modular mounting via the MD and HN adapter complements the existing ZN.. CMP... cycloidal servo gearmotors in direct motor mounting.

ZN.. servo gear units
  • backlash-free servo gear unit
  • two-stage cycloidal gear unit
  • designed for acceleration torques between 612 Nm and 17500 Nm (36,750 Nm with direct motor mounting)
  • lubrication for life ex works
  • 5 times the permissible shock load
  • high power density
  • mechanical backlash-free
  • low mass moment of inertia
  • high positioning accuracy
  • gearbox can be used as main bearing
Gear unit type Servomotor Gear ratio Nominal torques Ma_N
(5 min-1)
Nm 		Acceleration torques Ma_pk
Nm 		Emergency switching off torque Ma_es
Nm 		Torsional stiffness Ctr
NM/arcmin 		Tipping stiffness Cpr
NM/arcmin 		Lost Motion and hysteresis loss arcmin Permitted breakdown torque Mk_dyn
Nm
ZNBF30 bis ZNBF130 / ZEBF140 CMP(Z)..* 41-249 341 – 20460 612 – 36750 1225 – 73500 61 - 6320 530 - 19800 < 1,0 784 – 44000
ZNBF30 bis ZNBF130 / ZEBF140 CM.. 41-249 573 – 20460 1029 – 36750 2058 – 73500 113 - 6320 530 - 19800 < 1,0 1660 – 44000
ZNBF31 bis ZNBF121 CM3C 41-249 341 – 9733 612 – 17500 1225 – 35000 61 - 2600 530 - 9000 < 1,0 784 – 15000
ZNBF31 bis ZNBF121 CMP(Z)..* 41-249 341 – 9733 612 – 17500 1225 – 35000 61 - 2600 530 - 9000 < 1,0 784 – 15000

*CMPZ.. is available in sizes 71 – 100.

Areas of application Application example
Food and beverage industry Palletizer and layer pad inserter
Sheet metal and wood processing Joinery machines, planing machines, etc.
Cutter heads, portals, etc.
Industrial handling technology Rotary and positioning tables
Robotics industry Painting, welding, assembly and service robots
Medical technology Imaging processes