Light and Precision Made

Rotary Joints

07.05.2015 The most frequent causes of vibrations in plants and machines are unbalanced rotating components and oscillations of external pipelines. Haag+Zeissler offers threads with a spigot or centring surface and self-centring flat metal gaskets for rotary connections. Series 7101 was developed for machines with unavoidable or even intended rotary or translatory oscillations and vibrations, such as milling machines, inking rollers, presses, mills or shredders.

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Rotary Joints

Series 7101 was developed for machines with unavoidable or even intended rotary or translatory oscillations and vibrations (Picture: Haag + Zeissler)

Rotary joints are required for feeding media (water, steam, oil, air, etc.) into rotating shafts, rollers or spindles.  They are usually positioned at the end of the rotating machine component and form the interface to the stationary pipelines. Rotary joints can be a cause of machine vibrations if their rotating parts are manufactured without sufficient care and/or if insufficient attention is paid to the connection to the rotating end of the shaft. The weight of the Series 7101 joints has been reduced by 60% through choice of appropriate housing material. This minimises the oscillating mass at the end of the shaft. The service life of the rotary joint is prolonged and the accuracy of the product or workpiece is improved.

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Hall 4.0 – H3

Facts for Decision Makers:

  • self-centring
  • lightweight
  • prolonged service life
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