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Twistable robot cable


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Robotic cables - Torsion-resistant cables

The increasingly complex movements in industrial applications demand twistable and/or three-dimensionally moving cables with a long service life, similar to the classic chainflex® cables. For example, a movable robot arm generates high bending, centrifugal and torsion forces in a robot cable. The chainflex® robot cables from igus® GmbH have been specifically designed and tested for this special requirement.

 
Torsion  
No. 1 in terms of choice, testing and guarantee

We manufacture fail-safe cables for movements in the e-chain® - for many cycles, high speeds, high accelerations and many more challenging conditions.

Guarantee  
36 month guarantee

In our 2,750m² laboratory, we put our cables through their paces - and with good confidence, we can give them a 36-month guarantee on our cables!

Tools  
Can be calculated and configured

With our tools you will find the right cable for every application - and can directly calculate the service life!

chainflex works  

Structure of a chainflex® robot cable

Cores, stranded structure, shields and [link pagenr="20870" title="jacket materials "] must compensate for high alternating bending loads as well as cable diameter changes due to torsional movements. For the said specific stress in the three-dimensional area, the structure of robot cables must have a combination of soft and sliding construction elements. Filling elements are used which can absorb occurring forces such as torsions. For this purpose, PTFE elements and rayon threads are installed. chainflex® robot cables also contain a special combination of PTFE liners so that the torsion-optimised shield assemblies can carry out necessary compensatory movements.

Special insulating materials are used for twistable bus cables. Here, cable capacitance, attenuation and the quality of transported signals are within a very narrow tolerance range.
Depending on the area of application in robotics, the PUR jacket, which was specially developed by igus®, protects against mechanical damage, such as caused by abrasion. The PUR mixture used here is both halogen-free and flame-retardant.

chainflex® robot cables for demanding robot applications

The company Wandres GmbH specialises in the development and production of brushing and air cleaning systems. The safe and careful removal of dust, fibres and smallest particles on surfaces is a prerequisite for many production processes in order to produce high-quality products. In order to protect the 6-axis robots from mechanical damage, the robot cables were equipped with factory-supplied protective hoses. However, these could not stand the continuous operation and are permanently torn or frayed, causing the whole test facility to come to a standstill.


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Special specifications of the chainflex® robot cables

The igus® robot cables for 3-dimensional movements have very high transmission properties and signal qualities over the entire service life within very narrow tolerances thanks to the use of very torsion-optimised insulating materials and mechanical dampening elements.
 
The igus® GmbH also promises a guaranteed number of 5 million movement cycles with a torsion of ± 180° per metre. To ensure this, the chainflex® robot cables are tested for several million more cycles under torsional conditions.
 
The "mechanical stress" to which a cable is exposed differs greatly between cables in a linear e-chain system and a cable subjected to bending, torsional and centrifugal forces. This cannot usually be determined in advance. The igus® Torsion Test Standard was developed for this purpose. This standard allows a reproducible assessment based on meaningful test results. All CFROBOT cables with a fixed end distance of one metre are twisted at least 5 million times. Furthermore, a test with 270° torsion was carried out in a test rig with a chain length of about 2,500 mm with strong impacts and high centrifugal forces as they often occur on an industrial robot.
 
Robot cables are available as fibre optic cable, servo or motor cable and hybrid cable. Control cables, data cables and cables for measuring systems are also available in this version.

Harnessed chainflex® robot cable also available

chainflex® robot cables can also be ordered as harnessed cables from a quantity of just one cable. Different plug-in connectors are also available as a fully installable readychain® dress pack.

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