Slip rings

As a standard, our rotary unions are rated for continuous operation at 600 rpm. The maximum speed largely depends on the usage cycle – higher speeds can lead to overheating and premature wear. It involves a trade-off between performance and lifespan. In general, we can easily achieve speeds of up to 1500 rpm while maintaining reasonable lifespan.

We do not produce what are commonly referred to as "pancake" models with concentric rings on PCBs. Our flat models involve a concentric assembly of various unions, allowing for multiple circuits within a limited height.

Fiber optics use an independent system. Fiber Optic Rotary Joints (FORJs) utilize prisms to guide light within the rotating connection. They can be compact and combined with electrical rotary unions. Monochannel or multichannel FORJs can be combined, but they cannot have a through-bore.

Yes, even in standard models, our rotary unions with the "E1G" Gigabit option can transmit GigE-Vision signals. It's also possible to transmit HDMI or HD-SDI signals with appropriate models. These signals can be combined with other data or power signals.

Yes, many applications combine sensitive signal transmission with power transmission. For example, for servo motors, power is often combined with measurement or communication signals in the same cable. Hybrid cables can be directly integrated or "emulated" with commercial cables, allowing integration of various standards: DRIVE-CliQ, PowerLink, Sercos, Ethercat, etc. The arrangement of ground/shield paths and power distribution is carefully designed to avoid interference.

Our rotary union manufacturing process typically involves cable output. Some models like SVTS B offer terminals or connectors directly on the union. PES also has an engineering department and wiring workshop capable of creating any required connectivity (plugs, bases, terminals) according to your needs, while adapting mechanical interfaces.