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Cable carriers, also known as drag chains, energy chains, or cable chains depending on the manufacturer, are guides designed to surround and guide flexible cables and hydraulic or pneumatic hoses connected to moving automated machinery. They reduce wear and stress on cables and hoses, prevent entanglement, and improve operator safety.
Besides only bending in one plane due to the rigid jointed structure, cable carriers also often only permit bending in one direction. In combination with rigid mounting of the ends of the carrier, this can entirely prevent the enclosed cables from flopping in undesired directions and becoming tangled or crushed.
Today cable carriers are available in many different styles, sizes, prices and performance ranges. Some of the following variants are:
• open
• closed (protection from dirt and debris, such as woodchips or metal shavings)
• low noise
• cleanroom compliant (minimal wear)
• multi-axis movement
• high load resistant
• chemical, water and temperature resistant
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