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Wear-resistant plastic gears

From a single part to high-volume production of up to several millions


Bevel gears

Transmission: 1:1 - 1:5
Module: 1 - 3.5

Spur gears

Number of teeth: 12 - 150
Module: 0,5 - 3

Racks

Module: 0,5 - 3
Length: 250mm

Angular gearbox

Transmission: 1:1 - 1:5
Module: 1


Special parts

Special parts

I cannot find the dimensions I want in the shop or I need individual gears for my application.

Ask for special part
FAQ

CAD data download

I would like to view the gear/rack CAD data in the CAD database or download it directly free of charge.

To the CAD database
Samples and brochures

Free leaflet and samples

Order your free gear samples now or download the gears brochure.

Select now

Recording of the online seminar

Wear-resistant on four wheels - iglidur® plastic gears in automotive applications

This online seminar will teach you more about:

  • igus as an automotive supplier
  • advantages of iglidur® plastic gears 
  • our manufacturing capabilities - from prototypes to series production
  • practical application examples

View now


Gears made of iglidur® high-performance polymers enable lubrication-free and maintenance-free use.
Thanks to their special combination of base polymers, fibres, extenders and solid lubricants, they are extremely wear-resistant. Our gears have already successfully proven themselves in different applications.
iglidur® materials are thoroughly tested in our own Testlab.
In accordance with the predominant parameters in your application, we provide you with free, non-binding advice on the right materials and manufacturing and tool technology needed to form your individual gears (toothed component) in a reliable process.
You can place an order with igus with no minimum order quantity.


Gear test: cycles until gear break


 

Diagram X axis: materials Y axis: cycles in the test, gears made of xirodur B180 and POM were tested. Average number of cycles at 200rpm and 2Nm to tooth root break.
Test rig All gears made of iglidur® high-performance polymers are tested thoroughly and extensively in the igus laboratory

Our manufacturing procedure

From a single part to high-volume quantities of up to several millions

Injection moulding gears

Injection moulding

  • From our largest possible variety of iglidur® materials
  • Standard dimensions available
  • Different shaft-hub combinations available
  • Individual high-volume production of special parts
  • Economic high-volume production

Learn more now

3D printed gears

3D printing

  • Delivery time from one to three days
  • No minimum order quantity
  • CAD configurator for gears and racks online
  • For prototypes

 

Learn more now

Mechanically manufactured gears

Machining

  • Made of iglidur® bar stock
  • Economically efficient in the case of small to medium-sized quantities
  • For high-volume gears

 
 

Learn more now

New gear products 2022


Tech up, cost down: we will always give you at least one of the two. That has been our job for many years.Experience the 2022 iglidur® gear innovations.

 

Go to the innovations

Application examples with plastic gears


 


Lubrication-free

Sustainability of our gears

For our plastic gears, you do not need a single drop of lubricating oil. Not only our users but also the environment benefit from this. In addition, our tribologically optimised materials generate less abrasion, which means less energy is needed.

Sustainability

This is why we developed our gears:

iglidur® gears have proven their worth in different gearboxes and have also been tested under realistic conditions of use in the igus test laboratory. For example, torque fluctuations, efficiency and backlash of the gearboxes with plastic gears are electrically measured and evaluated. The gathered empirical values allow for continuous optimisation of our gears and use in wear-intensive continuous application.
 
iglidur® gears are characterised by their special wear resistance in use. Due to their special material composition of base polymers, fibres, fillers and solid lubricants, they have very low wear properties and do not require additional lubricants. This extends maintenance intervals and reduces expensive downtime minutes.

Test laboratory

Your questions and our answers (FAQ)


What is a gear?
The gear is a round component that has uniformly distributed teeth around its circumference. It is used to transmit force between two rotating gears or between a gear and a gear rack. Depending on the application, further types are used. 

What types of gears are available?
The most common types of gears/gear components are:  

Different kinds of gear and toothing are often combined with each other in order to implement certain sequences of movement.  

When do gears fit together?
In order for gears to move easily, it is important that the teeth can mesh with each other. For this, the teeth of the gears must have the same size and therefore the same module. This applies to all gearing components, e.g. also for gear racks, bevel gears, etc.

What is the module of a gear?
The module indicates the size of a gear. The module is calculated by dividing the pitch circle diameter by the number of teeth (m= d/z).
It should be noted that only gears with the same module can be combined.

How long does a gear last?
The service life of a gear depends on various factors. On the one hand, the specifications (e.g. module or number of teeth) of the gear and how the gear is used (e.g. application temperature, torque or speed). If you would like to know in advance how long a gear will last in your application, you are welcome to fill out our form for a free service life calculation.
Try it now

How are the gears produced from iglidur® high-performance polymers?
At igus, gears are manufactured using three manufacturing processes:
  • Injection moulding with iglidur® granulates 
  • Mechanical processing from iglidur® bar stock  
  • 3D printing with iglidur® laser sintering or FDM materials 
Depending on the request, we will advise you free of charge and without obligation regarding production in order to find the best cost-effective solution together with you.    

How are iglidur® gears tested?
In our Testlab we have test rigs to test our gears made of a wide variety of iglidur® materials in various scenarios. We would also be happy to provide you with samples for your application-related tests.   

What is the minimum order quantity?
There is no minimum order quantity for our gears. You can enquire and order with no minimum order quantity. 

Can iglidur® gears be lubricated?
External lubrication of the gears is not required. All of the materials we use have been tribologically optimised and designed for dry operation. In case you want to lubricate, you can do so in combination with a silicon-free lubricant. 

I need a special type, is this possible?
Yes, the production of special geometries is possible and feasible for all quantity scenarios due to our wide range of manufacturing processes. We would be happy to provide you with individual advice on your special geometry and the appropriate material. You can submit an enquiry for your individual gear here.

What are the benefits of iglidur® gears? 
The iglidur® gears do not require any external lubrication and are therefore maintenance-free. In addition, you benefit from the long service life of our gears, which is due to wear-resistant materials, which we achieve with the formulations of iglidur® materials. Compared to metallic gears, plastic gears are quiet and offer optimal emergency operating specifications. The tribological optimisation of the materials also achieves a low coefficient of friction.  

When does a gear need to be replaced?   
As soon as power transmission is no longer possible due to wear on the gear, they must be replaced. Through geometric adjustments such as for e.g. module, number of teeth or by choosing the right material, the service life of the gears can be increased.   

What are the available areas of application?
The iglidur® gears are used in all industries. Depending on the area of application, we offer special materials that, for e.g., have FDA conformity or certain fire standards (such as the automotive sector), or similar.  


More than 250,000 customers worldwide place their trust in iglidur® materials
AGCO | B. Braun Melsungen | Crankbrothers | DMG MoriFAUN Viatech | HillromKohlerKRONESLemken | MultipondNowy Styl | Ottobock | SensataTecnoSun SolarThalerV-ZugWSS Wilh. Schlechtendahl & SöhneZunhammer | and many more
 

Success story

samo Maschinenbau GmbH


"We were looking for a material that was lubrication-free, robust and cost-effective, so we opted for the iglidur® plain bearings from igus"

To the success story
Overview

...and many further success stories


Discover further success stories from more than 60 different industries all over the world.

Discover more customer success stories

Plastic gear instead of metal gear

Tech up and cost down - now

Plastic gears are cost-effective, do not require external lubrication and are maintenance-free.
In contrast to metal gears, our polymer ones contain solid lubricants, which reduce friction.
Furthermore, certain fillers ensure an additional
improvement of the mechanical properties.
 
Overview of benefits

  • Lubrication-free
  • Maintenance-free
  • Lightweight
  • Noise-reducing
  • Corrosion-free

Metal vs. polymer gear

Further information on our materials

Material selection

Materials with special properties

Learn everything about our tribologically optimised materials and their properties.
 
 

Test laboratory

Largest test lab in the industry

We carry out tests so that you do not have to experiment. Find out how our iglidur® polymer plain bearings are tested in the largest test laboratory in the industry. We also carry out individual customer tests here.

iglidur

What is iglidur®?

What are iglidur materials made of? What is behind the self-lubrication effect? Find out more about the functionality of iglidur®.
 
 


Consulting

I look forward to answering your questions

Shipping and consultation

In person:

Monday to Friday from 8:30 am - 5:30 pm.

Online:

24h

The terms "igus", "Apiro", "CFRIP", "chainflex", "conprotect", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "easy chain", "e-chain", "e-chain systems", "e-loop", "e-ketten", "e-kettensysteme", "e-spool", "e-skin", "flizz", "ibow", "igear", "iglidur", "igubal", "kineKIT", "manus", "motion plastics", "pikchain", "plastics for longer life", "print2mold", "readycable", "readychain", "ReBeL", "robolink", "speedigus", "tribofilament", "triflex", "xirodur" and "xiros" are legally protected trademarks of the igus® GmbH/Cologne in the Federal Republic of Germany, and, where applicable, in some foreign countries. igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM, Parker, Bosh Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mentioned on this website. The products offered by igus® are those of igus® GmbH.