How to choose flame-retardant drag chain cable

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Date: 2025-04-03Read: 3

Flame retardant drag chain cable is a special cable designed specifically for dynamic industrial environments, which combines high flexibility and flame retardant performance. It is widely used in mechanical equipment that requires frequent movement or bending.

Core definition and purpose

Flame retardant drag chain cables are mainly used forIndustrial scenes that require back and forth movement(such as robotic arms, CNC machine tools, logistics conveyor lines), usually built into cable drag chain systems. Its functions include:

Physical protectionPrevent cables from being stretched, worn, tangled, or scattered during movement;
security upgradeFlame retardant outer sheath can slow down the spread of flames, reduce the risk of fire, and is suitable for high temperature or flammable environments.

Application Scenarios

field	Specific application cases
industrial robot	Robot arm power line, sensor signal line, suitable for high-speed and high-precision motion
CNC machine tool	Internal cable protection of the machine tool to prevent erosion by cutting fluid and oil stains
logistics warehousing	Power and control circuits for stacker cranes and conveyor belts in automated three-dimensional warehouses
Metallurgical and Chemical Industry	Mobile monitoring cables near high-temperature smelting equipment and chemical reaction vessels

Technical details and selection criteria

structural composition
- conductorOxygen free copper wire twisted (with a single wire diameter of 0.08mm as the main), with strong conductivity and flexibility;
- insulating layerThermoplastic elastomers (TPE) or PUR materials, resistant to oil and wear;
- outer sheathFlame retardant PUR or NBR PVC composite material, with some double-layer structures containing anti wire drawing properties.
Key parameters for selection
- bend radius: Need to match the drag chain travel (choose 12 times the outer diameter for long travel and 10 times for short travel);
- Shielding requirementsShielding type (such as TRVVP, including tinned copper mesh braided layer) should be selected for high interference environments;
- Flame retardant ratingSelect according to the scenario (such as oil platforms requiring higher flame retardant levels).

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