How to secure bearings properly – Part 2: axial securing

Lars Butenschön | 27. November 2018

In part one of my series “How to secure bearings properly”, we learned how and why bearings move in their mounting holes and what we can do against it. If press-fit is not enough or not available in order to keep a bearing in place, you can do so by changing it´s shape. In this […]

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Finding the right bearing: 7 essential criteria

Lars Butenschön | 4. January 2019

The various influences that affect the lifespan of a plain bearing are relatively trivial. It´s easy to imagine that a truckload of fine dust is rather less helpful for a long bearing life. Also, that 500 ° C ambient temperature can cause difficulty in choosing the right lubricant, results in few raised eyebrows. And yet, often times […]

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Plastic bearings for high loads? What does high load actually mean?

Lars Butenschön | 4. December 2018

There is a saying among german conservative engineers going like this: “Wer Kunststoff kennt, nimmt Stahl”. “Those familiar with plastics use steel instead”. To be honest I didn’t hear this in quite a while now. But it´s still in the heads of many engineers. Even if they don´t know a word of german. In the […]

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How to secure bearings properly – Part 3: Anti-rotation features

Lars Butenschön | 27. November 2018

In episode two of this series, I showed you some options of how to secure bearings axially to keep them from moving out of housing holes. In this episode, I want to show you how to make an easy anti-rotation feature and why you would need one in the first place. Why would you need […]

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Latest news

The other day at the restaurant … or how to use your energy better!

hjansen | 6. August 2012

Does this sound familiar? You are sitting in a moderately occupied restaurant. There is one waiter. You would like to order and try to get eye contact with him. But he doesn’t look at you. You watch as he takes the orders from other customers, runs to the kitchen, returns, serves drinks, goes back to […]

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Take the bus through the pikchain®…..huiiiiiii!

Armin Gellweiler | 2. August 2012

Imagine, that you should design an intelligent vacuum conveyor together with our pikchain®. You want to control every suction cup individually and you know that this is not a problem with the pikchain-system.. But anyway, you feel uncomfortable, because you have for example 50 suction cups on the pikchain®: How should you pack so much […]

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Components for the wire feedthrough in a robolink joint

Martin Raak | 4. July 2012

How are the wires fed through in a lower joint? This feedthrough is important to make the movements of the joints independent of each other. For this purpose a Bowden cable system is used, in which 4 draw wires are routed in parallel (Picture 1). The components are shown here to guarantee this feedthrough. A […]

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Customer application: Pick+Place at the AUTOMATICA in Munich (Fraunhofer IFF)

Martin Raak | 11. June 2012

Roland Beherens and his team at the Fraunhofer Institut IFF (Factory operation and automation) in Magdeburg are using a robolink articulated arm with 4 degrees of freedom (custom design) in such a way that camera assisted sorting tasks can be performed automatically. The system uses SCHUNK drives, an adaptive gripper by FESTO and an in-house […]

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