Offset helical servo geared motors
A precise STOBER servo gear unit with a flat housing and large axial distance – combined with an extremely compact, highly dynamic synchronous servo motor from STOBER.

Offset helical servo geared motors: The slim black wonder with a powerhouse

Looking for a geared motor for small installation spaces? With a large axial distance? High positioning accuracy? And absolutely powerful at the same time?
Voilà: Here are the STOBER offset helical servo geared motors.

BENEFITS
Offset helical gear unit feat. EZ motor

Due to their extremely flat housing and large axial distance, offset helical gear units are easy to integrate in applications that have very tight, difficult space constraints.

These gear units also meet high demands for efficiency, ruggedness and a long service life.

When it is directly attached to an EZ motor, you benefit from an even smaller installation space, lower weight and high torque at the same time!

High positioning accuracy and backlash stability

To meet higher precision requirements, the F series offset helical gear units are available in two backlash classes.

The hardened helical gearing ensures reliable backlash stability.

F and EZ – thanks to the short design of the gear unit and motor, this combination gives you a geared motor that is extremely compact, precise, dynamic and highly reliable.

TECHNICAL DATA
FEZ SERIES
Power density
Price category
  • Total ratio: 4.3 – 274
  • Allowed acceleration torque: 21 – 1100 Nm
  • Backlash: 5 – 11 arcmin
  • Efficiency: 96 – 97%

Find your right fit!
FEATURES
FEZ SERIES
F gear unit feat. EZ motor …
APPLICATIONS
Winders
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Robots
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Storage and retrieval units
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

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Extrusion
Industries and Applications

We get your visions moving – in various industries and markets worldwide.

Using a holistic approach for your specific task, we support you with precisely tailored solutions for drives and automation.

Learn more
DOCUMENTS
TitleVersionIDDateLanguageSize / Type
Catalog STOBER compactCatalog STOBER compact 034426552021 06EN8.33 MB
Catalog Synchronous servo geared motors EZCatalog Synchronous servo geared motors EZ 104424372022 01EN24.17 MB
TitleVersionIDDateLanguageSize / Type
Operating instructions Gear units and geared motors C_F_K_SOperating instructions Gear units and geared motors C_F_K_S 024430272019 01EN280.89 KB
Safety instructions for electrical equipmentSafety instructions for electrical equipment 004415982009 05EN80.50 KB
Operating instructions EZ   EZHD   EZHP   EZS   EZM synchronous servo motorsOperating instructions EZ EZHD EZHP EZS EZM synchronous servo motors 014430322019 05EN434.19 KB
Mounting instructions Hollow shafts with shrink disk for F   K   KL   KS   S gear unitsMounting instructions Hollow shafts with shrink disk for F K KL KS S gear units 104407112019 05EN107.08 KB
Mounting instructions Rubber buffers for the torque arm on the F gear unitMounting instructions Rubber buffers for the torque arm on the F gear unit 004426992014 10EN135.79 KB
TitleVersionIDDateLanguageSize / Type
TitleVersionIDDateLanguageSize / Type
Lubricant fill volumeLubricant fill volume 164418712021 08EN1.22 MB
TitleVersionIDDateLanguageSize / Type
SERVICES
Consulting & support
Technology Consulting

Take advantage of the expertise of our application engineers in the Sales Centers or contact our first level support.

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Tools & software
SERVOsoft®

With SERVOsoft®, you have a tool at your fingertips that lets you design your drive systems or offset helical servo geared motors with precise scaling in just a few steps. Simple and fast at the same time.

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STOBER Configurator

With the intuitive STOBER product configurator, you can filter, compare, save and share the right drive solutions with ease.

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STOBER CAD

Are you looking for CAD data? With the STOBER CAD tool, the drawings you need are ready for download in just a few clicks.

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Service, replacement & repair
Service Network

STOBER is present in over 40 countries worldwide with 10 subsidiaries and 80 service partners. No matter where, no matter when, we’re always at your service and on the move!

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Replacement & Repair

Do you need competent help with replacement parts, replacement drives, repairs and retrofitting for offset helical servo geared motors? Feel free to contact us!

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24-hour emergency number for urgent cases.
We are here for you.

For us, TEAMWORK is a huge priority.

“At WINDMÖLLER & HÖLSCHER, collaborative partnership and trust are huge priorities. With STOBER, we have a strategic partner who also lives these by principles.”

– Christian Klein, Strategic Purchasing, WINDMÖLLER & HÖLSCHER KG

Need special solutions?

Our product portfolio is modular and freely scalable, offering a very wide range of combination options and offset helical servo geared motors. A drive system for custom-fit, compact machine concepts. With the option to make adjustments to fit the project.

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