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The E4.1 range is a further development of the E4 Igus system that combines the best design ideas of the two energy chain variants E4/4 and E4/100 in one single universal solution.

The system includes numerous enhanced design features and comes in a wide supply range of five different interior heights from 21 to 80mm, as well as widths from 30 to 600mm.

With the combination of inner and outer side-links, the user has the possibility of choosing different configurations.

Controlling the pre-tension can be managed by simply turning the outer side-link.

If, on the other hand, the inner side-link is turned, the rotation of the link is changed, and thus the direction of rotation of the energy chain.

This makes applications such as ‘zigzag’ possible, for example.

The sides of the energy chain are connected through a tongue-and-groove connection.

This increases stability in pull and push direction, especially when the chain is used lying on its side, or when high lateral acceleration forces are acting on the chain.

The torsional stability of the energy chain is also increased.

Igus has developed a quick-action lock for the crossbars of the E4.1.

Users can now open and close even tightly packed energy chains using only a screwdriver.

This feature helps during initial assembly, repairs or retrofitting.

Users do not need any screws, circlips, bolts or any other small parts that can be easily lost.

Since the energy chain is accessible from above and below, servicing work can be carried out without it having to be dismantled.

‘This also applies to long gliding travels using guide troughs,’ said Justin Leonard, director for energy chain systems at Igus.

The opening links are integrated with new components for dividing up the interior, which can be combined and are interchangeable.

‘They have also been developed for even faster installation and cable routing,’ added Leonard.

This means the interior division can be installed without opening the energy chain.

Separators can be inserted without force and cables already inserted can be divided again later.

The standard version of the E4.1 series of energy chains also has a noise-dampening stop system with an internal brake.

If even quieter noise levels are required, the outer radius of the energy chains can be equipped with additional sound reducing pads, which makes quiet rolling possible.

These pads are soft, dampening elements that reduce sound and vibration as the energy chain is moved.

The E4.1 supply range also permits numerous special solutions.

These range from cleanroom versions through to ESD energy chains and include variants that take special fire protection classifications or chemical resistance requirements into account.

When equipped with lids and made of the high-temperature material Igumid HT, the chain can even withstand attacks by chips heated to 850C.

The E4.1 is now also available in the XXL material for applications that require 25 per cent more self-supporting length.

Travel distances up to 13m can be achieved safely without channels and supports.

Igus

Igus is the largest producer of reinforced plastic energy chains and injection-moulded polymer bearings. The range of polymer bearings includes Iglidur plain, Igubal spherical and Drylin linear bearings. They offer an excellent price-to-life relationship and are developed under the toughest conditions. They are oil, maintenance and lubrication free, low wear, resistant to dirt and dust, corrosion free and simple to fit. Igus also has the data to precisely predict the lifetime of these bearings within a specific application.

Igus is the largest producer of reinforced plastic energy chains and injection-moulded polymer bearings. The range of polymer bearings includes Iglidur plain, Igubal spherical and Drylin linear bearings. They offer an excellent price-to-life relationship and are developed under the toughest conditions. They are oil, maintenance and lubrication free, low wear, resistant to dirt and dust, corrosion free and simple to fit. Igus also has the data to precisely predict the lifetime of these bearings within a specific application.

Energy chains are the umbilical cord of modern machines. They minimise downtime and protect, support and extend the service life of cables and hoses. The broad range incorporates more than 30,000 innovative, low-cost products. From the smallest ‘micro’ chain to the largest chain in the world, the E4.350, Igus energy chains are capable of long and short travel distances at high speeds in all axes.

Igus also has its own cable series, Chainflex, specially designed with energy chains in mind. They are highly flexible cables, offering a long service life and very small bending radii. A wide range is available, from small signal cables to large power cables, high-speed data cables and glass fibre-optic cables.

The company’s energy chains and Chainlflex cables can be delivered as a fully harnessed and pre-assembled Readychain system, cutting purchasing, warehousing and installation costs.

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