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Slip Rings |
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- Power current transfer of up to several 100 A
- Transmission of all types of analogue signals
- Transfer of digital data up to the Gbit/s range
- Different design types available as standard
- Customised solutions are available
- Large selection of contact materials
- Robust design for reliable transmission
- Very long product life
- Maintenance-free variants
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Function
Slip rings are used wherever electric currents and signals need to be transmitted from a stationary machine element to a rotating shaft or vice versa. The transmission of electric energy between rotor and stator is realised by a sliding contact that is pressed against a rotating slip ring by a spring system exerting a constant pressure.
The optimal selection and pairing of the contact materials is an important factor for the reliability and product life. Tribological and electrical properties are considered to meet the requirements specific to the applications.
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We offer slip ring systems ranging from very low currents up to high currents of several hundred amperes. The proven and maintenance-free gold/gold technology used in the Rotoflux series is ideal for the reliable transmission of delicate analogue measuring signals as well as digital signals for current bus systems.
Our slip rings are typically used e.g. in rotary tables, wind turbines, packaging machines, tooling machines, rotating cranes, theatre stages, agitators, medical devices, filling plants, etc.
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Versions
Smaller to medium-sized slip rings are typically arranged axially in rows, whereby the insulated slip ring body can be offered as a closed stacked construction, or as a solid cast body. If short lengths or very large radial dimensions of up to 2 meters are required, the slip tracks can also be arranged concentrically, with the slip rings designed in disk shape.
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Rotoflux
We offer a standard range of our Rotoflux products that can be very easily adjusted to customer-specific solutions thanks to their modular design. The gold/gold technology that is primarily used in these products combines low dynamic signal noise with a constant contact quality maintained over a very long product life. In addition, this technology is practically maintenance-free.
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Rotoray
Our fibre-optical slip ring unit offers touchless bi-directional high-speed data transmission up to 30 Gbit/s and is available with single or multi-mode glass fibres.
It is immune to electromagnetic interference, allowing it to be used in applications subject to strong electric and magnetic fields and in explosive environments.
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Rotocap
Our capacitive slip rings of the ROTOCAP series provide uni- or bi-directional (2-way and higher) high-speed data transmission on the basis of capacitive, contactless transmission technology. Thanks to the contactless transmission technology, our slip ring is free of wear, speed-independent and highly resistant to EMI and ESD.
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Rotokombi
Different slip ring technologies as well as rotary unions for media can be combined into a complete system transmitting electric currents as well as media such as air, water, oil, grease, vacuum, etc. at the same time.
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