Breakthrough in linear technology: New igus material provides more design freedom

40 percent less friction and a new optimized 3:1 design rule: drylin T Miniature Guide Carriage with new iglide E3 material

July 13, 2022 – igus®, the motion plastics specialist, announced it has achieved a breakthrough in tribological plastics. With iglide® E3, igus has developed a new linear material with a friction coefficient of up to 40 percent better than its existing materials. E3 opens up design flexibility in linear technology for its users, replacing the classic 2:1 rule with a newly expanded 3:1 rule.

The igus drylin® T Miniature linear slide offers exceptionally smooth movement and new design freedom thanks to the newly developed iglide E3 material. Depending on the operating point, this has a coefficient of friction of approximately 0.16µ. A miniature drylin T system, using iglide E3, can achieve up to 40 percent less friction than the igus standard materials when measured on hard-anodized aluminum, and even less when compared to commercially available sliding materials. This also means that manual adjustments require up to 40 percent less drive force to move a system.

“This is an important step towards greater design freedom, as it enables us to expand design leeway for the first time,” says Stefan Niermann, head of igus Linear and Drive Technology business unit.

The traditional 2:1 Rule, which generally applies to linear plain bearings, states that the distance between the driving force and the fixed bearing should not be more than twice the bearing leangth. Otherwise, the system could experience chattering, binding or blocked movement. The greater the distance between the drive and the guide bearing, the higher the wear and required drive force. With its E3 material, igus has now extended this design rule to 3:1 so that the drive can be 50 percent further away without impairing linear guide movement. At the same time, the required drive forces are reduced by up to 40 percent, which means 40 percent energy savings in electrically driven applications.

Proven to slide better – without harmful lubricants

The miniature guide carriage with the new iglide E3 liners offers the well-known advantages of igus motion plastics. The solid lubricants incorporated into the high-performing plastic material ensures low-noise operation, high resistance to dirt, and no need for maintenance. Eliminating lubrication is not only cost-saving but also good for the environment. With new material mixing and processing and countless tests in the igus test laboratory, igus has further pushed the application limits of motion plastics and created new design freedom in linear technology.

The drylin T Miniature Guide Carriage is available in three sizes (09mm, 12mm, and 15mm) and can be used in laboratory, medical technology, and many more industries and applications.

To learn more about drylin T Linear Guide Rails and Carriages from igus, click here.

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