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For several years, igus® has been developing customer-specific systems for circular movements with energy chains, referred to as rotating energy supplies. They can be used to supply energy, data, and liquids to rotating assemblies in such applications as machine tools, robotics and bucket wheel excavators.
The igus® standard rotary modules consist of two circular guide elements. One part of the guide trough is attached to the stationary part of the system and the other to the rotating part. Because the rotary modules can be turned by both their inner or outer parts, the fixed end can be chosen freely for the e-chain®. In the main, e-chains® from the E4.1 series are used for "simple" applications and energy chains from the E2.1 and E2/000 series also used for rotary modules.
"RBR" stands for Reverse Bend Radius and means that the e-chain® can bend in two directions. Designs with RBR can be manufactured for most igus® e-chains®. The "RBR" does not have to be identical to the standard "BR" (bend radius) of the energy chain. A wide range of circular movements can be achieved with the RBR option. Angles of rotation up to 900° have been achieved.
Tip: Find a solution for your current design and quickly, easily by submitting an inquiry about your specific application to your igus® specialist for rotating energy supplies. We will provide you with the correct sizing, simplified 3D model and an offer with prices and delivery times.
"MRM" stands for multi-rotation module and is effectively a multi-level RBR system. With a simple igus® rotation module (such as a standard RBR energy chain), a rotation angle of up to 540° can be achieved, depending on the energy chain size. Each additional module extends the angle of rotation by up to 360°. A simple stop-dog system carries the system's upper layer according to a defined angle of rotation. This technology means that only one control system is required for both layers.
Depending on the application in question, the e-chains® glide on surfaces made of plastic, stainless steel or galvanised steel and are guided by special channels in a predefined circular movement.
Flexible mounting to your structure
Weather and UV protection are easily integrated
Defined and low-wear guidance of the e-chain® within your application
Open structure providing protection from dirt with additional weight-reducing features
Space-saving: symmetrical separation filling and the system
Now let the igus® expert work out your individual rotating energy supply.
Discover the igus® world of rotary energy supply systems to safely guide energy, data, liquids and air with rotation angles of up to 7,000 degrees.
Thanks to the modularity, versatility and high stability, the extensive range of different energy chains offers numerous solutions for many applications.
Ten valuable tips for designing the right guide trough for circular modules yourself. Avoid mistakes that reduce your system's service life or even cause downtime.
From the contents:
- Planning guide sheets correctly
- Tips on laying cables
- Limiting maximum rotation angle
- Generating CAD data for troughs and entire modules
Download ten tips now free of charge. We would be happy to assist you personally at any time.
After self-studying our ten tips for long-lasting rotary energy management, are you ready to implement your initial ideas? Our configurator for circular motion in the CAD section can help you configure an energy chain to match your application data. Download the CAD model, and load it directly into your design.
Largest range with 1,354 cables types for data, bus and hybrid systems, control system and drive. Specially developed for moving application in e-chains®.
Rotary cranes used in aluminium mining must always work without failure. Energy supply is also crucial here. However, a cable trolley system with cable loops led to increased cable breaks for this customer. The Reverse Bend Radius rotating energy supply with a plastic energy chain from the E4.1 series saves weight and space and can be installed quickly and easily as a modular system.
More RBR systems with e-chains® are deployed in joints of the robot.
Energy chains for circular movements up to 540°. Quick cable replacement. Modular design - variable widths.
twisterband: new sizes, turns of 7,000° and more possible. Compact, modular, cost-effective.
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