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igus® Ltd.

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igus® study: drylin® R on wooden shafts

We have carried out various tests to determine our materials' coefficients of friction and wear rates. Plain bearings and liners made from the iglidur® J and J4 materials were tested on various wooden shafts and the results compared to those for metal shafts. This study gives us results for wood, a renewable raw material.

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Wooden shaft
Wooden shaft
Wooden shafts

How do igus® materials behave on wooden shafts?

drylin® product developer Lars Fenger in an interview

What was the decisive point for the study entitled "drylin® R on wooden shafts"?
The lower surface pressure of our drylin® linear plain bearings make them generally suitable for use on round shafts with softer surfaces as well. This is in contrast to ball bearings, which require a hardened surface. Aluminium shafts and tubes are already in the delivery portfolio, as are extremely lightweight carbon shafts. And our study involves collecting results for wood, a renewable raw material.

 Which tests were performed?
 To make an initial selection from the variety of wood, flexural strength tests were performed in the igus® laboratory. And coefficient of friction and wear results were determined with suitable types of wood.

What were the results?
 The short answer is: drylin® linear technology works with wood. It works very well. The results show that the coefficients of friction differ only slightly from those for steel and aluminium. The wear results for bearings and shafts are also very promising. Some types of wood, such as steamed beech, are especially good mating partners for our new drylin® R J4 econ linear plain bearing.

What is especially important?
The tests were performed in a dry laboratory environment; dirt and moisture can decisively change the measurement results for wood, but not for such materials as stainless steel. We are constantly expanding our test series for different woods, and local availability also plays a central role here. At the trade show, we want to gather initial customer experiences on the subject and support customer projects with drylin® and wood. The first customer applications with plain bearings on wooden shafts have already been developed.
lars fenger Lars Fenger drylin® product developer

Fact sheet for download

All technical information can be found in our PDF.
To the technical data

Press release for download

You can find our press release on the wooden shaft study in our PDF.

Tech up with igus news

Tech up

  • Metal-free linear guide
Cost down with igus news

Cost down

  • Extremely lightweight components
evidence from igus news


  • Friction test of iglidur® J4 liner on round shafts made of different woods, Ø 20mm, load 200N, 1.1m/s, determined friction values 0.2-0.25µ
recycling with igus news


  • Round shafts made from renewable raw materials

Application examples


drylin® R on wooden shafts

A height-adjustable, tiltable wooden desk.

drylin® R in commercial vehicle technology

drylin® R transfers the steering movement from the front to the rear wheels. 
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drylin® in the laboratory

The materials used here from the drylin® R product range easily withstand the extreme conditions. 
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More application examples

Take a look at some more application examples.
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The terms "igus", "Apiro", "chainflex", "CFRIP", "conprotect", "CTD", "drylin", "dry-tech", "dryspin", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-skin", "e-spool", "flizz", "ibow", "igear", "iglidur", "igubal", "igutex", "kineKIT", "manus", "motion plastics", "pikchain", "readychain", "readycable", "ReBeL", "speedigus", "triflex", "robolink", "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, Bosch Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mention on this website. The products offered by igus® are those of igus® GmbH