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Hennlich S.R.L

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310213 Arad

+40 257 211021
+40 257 211021

drygear® gearboxes made of plastic:
reliable and maintenance-free

drygear® gearbox technology

Gearboxes are used to adapt the speed and torque of motors so that they are suitable for the specific requirements of machines and processes.

Gearboxes made of high-performance plastic: lubrication-free, lightweight and shock-resistant
All drygear® joints are modular; they can be extended as required and integrated into existing systems. The drygear® gearboxes are especially popular for robot arms used in quality control or sorting. Gearboxes also come into play with rotary axes or sliding applications, pusher applications or format adjustments.
Request individual consultation now

What you will find on this page:

Discover the range of drygear® gearbox solutions to increase your efficiency

Versatile and flexible applications with modular gearboxes

Strain wave gear

drygear® strain wave drive

  • Compact, lightweight design
  • Available with large gear ratios and therefore self-locking 
  • Used primarily as a gearbox for stepper motors 
  • Various drive and output versions possible
  • Lubrication-free with smooth, quiet operation
Buy strain wave gear
Rotary axes

drygear® worm gear

  • Cost-effective automation
  • Various sizes and designs
  • Rotary and pivoting movements
  • Matching motor kits available
  • Suitable for high axial loads, eccentric loads, and shock loads
  • Lubrication-free with smooth, quiet operation
Buy worm gears
Worm gears

robolink® D | Rotary axis with motor

  • Consists of an igus® robolink® D worm gear, including a matching motor
  • The version with igus® PRT slewing ring bearings makes the gearbox lubrication-free, maintenance-free, and particularly suitable as a rotary table for high axial loads, eccentric loads, and shock loads.
Buy robolink® D
Modular gearbox system

Apiro®, the modular gearbox system

  • Extremely modular and cost-effective 
  • Possible applications:
  • Lane adjustments,
  • Pusher tasks,
  • Gears with different ratios,
  • Rotary tables and rotary axes
Further information
Buy Apiro® gearbox
drygear® planetary gearbox

drygear® planetary gearbox

  • Planetary gearbox dry operation
  • Available transmission ratios: 4:1/16:1
  • Max. output torque: 1Nm/3Nm
  • Can be connected directly to the motor 
  • Output with flange or shaft 
  • INI kit available for referencing
Buy planetary gearbox

Other gearboxes and drive components

Discover our wide range of high-quality solutions for industrial plants and robotics applications. Optimise your application's performance with drygear® gearbox technology!
Buy drygear® gearbox

Advantages of the drygear® gearbox technology



Manufacturing with injection moulding or 3D printing guarantees cost efficiency and creates the geometrical freedom to optimise use of installation space. The flexible modular system allows the gearboxes to be expanded as desired and integrated into existing systems. 

Lubrication and maintenance-free

Lubrication-free drygear® gearbox technology uses plastic gears made of high-performance polymers. The gearboxes require no external lubricants, so they are resistant to dirt. No maintenance is necessary, so associated costs are eliminated.


Sustainability Our gearboxes require not a single drop of lubricating oil. This benefits not only our users, but also the environment. Our tribologically optimised materials also generate less abrasion, which means less energy is needed.



Thanks to motion plastics®, drygear® plastic gearboxes impress with ultra-light materials. This results in much less noise and vibration. For you as an operator, plastic gears - for example in robots - lead to an application that is up to four times quieter. 


Temperature Gearboxes that function reliably in either particularly warm or cold environments? The drygear® gearbox technology products can withstand almost all conditions. We also have gearboxes and motors in our product range that are suitable for extreme temperatures from -30°C to +180°C. 

Tested and proven

Icon tested Around 50 in-house drygear® test stations are available for individual customer tests. We also test our gearboxes daily for active research and development. 


Apiro® configurator

Kinematics tailored to your needs

Enter your requirements into the Apiro® modular gearbox system online configurator and receive an application overview. The input can be queried as an offer, or you can easily download your configuration as a CAD file. 
  • Fast and easy configuration
  • Optional accessories such as motors and motor control systems
  • Fast delivery (ready to ship starting in 24 hours)
To the Apiro® configurator

Application examples for gearbox technology

Easy handling - operated manually or automatically

Simple, fast, uncomplicated format adjustments. The modular Apiro® gearbox system enables you to use different gear ratios and length variants to set up your own lane adjustment.

Assembly in minutes and simple replacement of gearboxes

Connect stepper motors to robolink® joints.
Replace motor with worm gear in a robolink® joint

Order your free sample

Sample order for the packaging industry

Would you like a free Apiro® sample with information material?
Order now!

Apiro® iDeas

Ideas for automation solutions. 
Select an automation solution – Download parts lists and CAD data!
Start your own Apiro® project now
Apiro shop

Low Cost Automation - Fields of Application

More than 8,000 individual solutions per year!
Select your industry or application and learn more about our customers' success stories.
LCA in practical application

Termenii "Apiro", "AutoChain", "CFRIP", "chainflex", "chainge", "lanțuri pentru macarale", "ConProtect", "cradle-chain", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "dryway", "easy chain", "e-chain", "e-chain systems", quot;e-ketten", "e-kettensysteme", "e-loop", "energy chain", "energy chain systems", "enjoyneering", "e-skin", "e-spool", "fixflex", "flizz", "i.Cee", "ibow", "igear", "iglidur", "igubal", "igumid", "igus", "igus îmbunătățește ceea ce mișcă", 73quot;igus:bike", "igusGO", "igutex", "iguverse", "iguversum", "kineKIT", "kopla", "manus", "motion plastics", "motion polymers", "motionary", "plastics for longer life", "print2mold", "Rawbot", "RBTX", "readycable", "readychain", "ReBeL" , "ReCyycle", "reguse", "robolink", "Rohbot", "savfe", "speedigus", "superwise", "take the dryway", "tribofilament", "triflex", "twisterchain", "când se mișcă, igus îmbunătățește", "xirodur", "xiros" și "yes" sunt mărci comerciale protejate legal de igus® GmbH/ Cologne în Republica Federală Germania și, după caz, în unele țări străine. Aceasta este o listă neexhaustivă de mărci comerciale (de ex. cereri de mărci comerciale în curs de soluționare sau mărci comerciale înregistrate) ale igus GmbH sau ale companiilor afiliate igus în Germania, Uniunea Europeană, SUA și/sau alte țări sau jurisdicții.

igus® GmbH subliniază faptul că nu vinde produse ale companiilor Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM, Parker, Bosch Rexroth, SEW, Siemens, Stöber și toți ceilalți producători de elemente de acționare menționați pe acest site web. Produsele oferite de igus® sunt cele ale igus® GmbH