When performance rhymes with free passage
In slip ring technology, the concept of a “large bore” — a large-diameter central bore — plays a strategic role in industrial and defense applications.
It lets a mechanical shaft, multiple cables and optical fibers, hydraulic conduits, or complete structures pass through the slip ring’s center. For example, these solutions support equipment such as rotating radars, optronic platforms, heavy machine tools, targeting systems, and naval turrets.
However, this mechanical freedom often brings a challenge: larger bores make high-speed data transfer harder to maintain.
As a result, this trade-off between diameter and performance slowed innovation for years.
Everaxis’ technological response
At Everaxis, our engineering teams turned this limitation into a driver of innovation.
Using our expertise in contactless transmission, we designed a new generation of large-bore slip rings. They transmit up to 3 Gbps in full duplex mode and offer a bore diameter of up to 500 mm in specific configurations.
Our Contactless Through Bore Slip Rings eliminate friction, prevent wear, reduce maintenance, and ensure stable transmission even in harsh environments (vibration, EMI, salinity, extreme conditions).
Consequently, this breakthrough enables more compact, robust, and intelligent designs.

Moreover, by removing long-standing barriers between mechanical and electrical performance, Everaxis empowers critical rotary systems to evolve freely. This freedom opens new opportunities for systems engineers and project managers in defense, space, aerospace, naval, and heavy industry sectors.
At Everaxis, we create customized solutions that meet the toughest requirements for power and data transmission in complex rotating environments.
Explore our range of large-bore slip rings !
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