Here we outline five things to know about electrical slip rings and their brushes, voltage drops, and noise mitigation. Also be sure to check out the FAQs: What are slip rings and why do some motors use them? and What’s the difference between electromechanical and fiber-optic slip rings? 1. The three main brush technologies in electric […]
Standard versus custom slip rings — and inductive, capacitive, wetted mercury variations
Slip-ring variations abound — and the advanced components come in bore sizes from half an inch to many feet in diameter — for medical-imaging machines designed to service livestock, for example. But options go beyond mere scale. So how do OEMs and design engineers choose between standard and custom options … and what are other […]
Where are slip rings used? Common markets and applications
Slip rings excel in myriad designs that include a rotating base or platform — including industrial equipment such as index tables, winders, and automated welders. Wind turbines are another key application — as are medical applications for MRI and CT imaging. Slip rings also work at the pivot point of closed-circuit security cameras. Slip rings […]
New hybrid cable from igus handles both power and feedback signals
The new CF280.UL.H cable from igus is a hybrid servo cable offered as an expansion to the chainflex line of cables for moving applications. The flexible cable can deliver motor power and feedback functions through a single cable. Hybrid cable technology was introduced by drive manufacturers to streamline their cable connections to eliminate the encoder […]
What’s the difference between electric and fiber-optic slip rings?
Design engineers identify the need for a slip ring in the very first stages of the design process — as usually there are no viable alternative solutions. Of course, while engineers know near the beginning of the design process whether they need a slip ring, the slip-ring design details are usually developed and finalized with […]
Electrical power and signals through a slip ring: Where do they go?
Slip rings — also called electric swivels, collector rings, and rotary electrical joints — are electromagnetic devices of electromechanical, fiber-optic, or even non-contacting inductance and capacitance subtypes that transmit power and data signals between a rotating machine segment and a stationary segment. Of course, power transmission is associated with higher voltage and higher current than […]
Software tools streamline cable design, management
A critical but sometimes overlooked component, cables come in a variety of customized versions to meet specific application requirements. Cable properties such as the number of solid conductors or wire strands for transmitting power to motors as well as feedback to and from controllers and sensors are an example of what designers must consider when […]
What are slip rings and why do some motors use them?
Slip rings — also referred to as rotary electrical joints, electric swivels, and collector rings — are devices that can transmit power, electrical signals, or data between a stationary component and a rotating component. The design of a slip ring will depend on its application — transmitting data, for example, requires a slip ring with higher […]
New connectivity from cables and connectors for motion designs
Easy connections to sensors, field devices, and other automation solutions are becoming the norm in motion control — that’s according to Brian O’Connor, director of product and market development at Aerotech. In fact, increasing affordability of electronics (and subsequent rise of IIoT) have spurred all branches of industrial automation to more networking. But even basic […]
New connector from Applied Motion Products simplifies daisy chain connections
Applied Motion Products’ new daisy-chain board connector for its NEMA 11 frame StepSERVO Integrated Motors separates communication terminals into two standalone power and I/O connectors, making it easier to establish daisy-chain connections on RS-485 and Modbus RTU networks. Standard configurations of Applied Motion’s TSM11 (NEMA 11 frame) integrated motors incorporate a single 12-pin header that […]
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