- The high-flex drag chain cable is a specially designed wire product with excellent flexibility, suitable for applications requiring frequent bending and movement. It is typically constructed with high-quality conductors and flexible insulation materials, offering outstanding abrasion resistance and durability to ensure reliability and stability in various harsh environments. The high-flex cable is widely used in machinery, automated production lines, cable carrier systems, portable equipment, and other applications where electrical connection wires need to be highly flexible and durable.
- Structure:
- Conductors: High-flex drag chain cables typically consist of multiple flexible conductors, often made of materials like copper or aluminum. These conductors are soft and easily bendable.
- Insulation Layer: Each conductor is insulated with a layer of insulation material, commonly polyvinyl chloride (PVC) or polyethylene (PE), to prevent electrical shorts between conductors and provide protection.
- Outer Sheath: All conductors are typically covered by an outer sheath, which protects the conductors and insulation layers from mechanical damage and environmental factors. The outer sheath is often made of durable and corrosion-resistant materials.
- Characteristics: Waterproof, oil resistant, abrasion-resistant, tensile, UV resistant, flame retardant and other characteristics; Using high-quality nitrile mixture, with high tensile and wear-resistant strength, it meets the requirements of frequent bending of cables. The designed cycle bending life is 8 million times, and the actual use has exceeded 10 million times.
- Flexibility: High-flex drag chain cables exhibit high flexibility, allowing them to bend and move easily. This makes them suitable for applications requiring frequent movement and changes in position.
- Durability: Due to their common usage in moving equipment and mechanical systems, high-flex drag chain cables have high durability and resistance to wear, capable of withstanding prolonged use and friction.


Structrual Diagram

Product Application
- Internal wiring of machinery and equipment: Used for electrical connections within various types of machinery and equipment, such as automation equipment, robots, and sensors.
- Automated production lines: Employed in factory automation production lines, such as assembly lines and packaging lines, as electrical cables connecting machine equipment.
- Cable carrier systems: Utilized within cable carrier systems as internal electrical cables for transmitting power and signals.
- Portable equipment: Used in various portable devices and machinery, such as mobile robots and handheld tools, due to their flexibility to adapt to different moving and bending conditions.
Product Construction
Model | Product | Number of cores/square | Conductor/ Number of items/ Diameter | ID core wire | OD External covering |
T02 | TRVV | 2x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 4.5 |
T03 | TRVV | 3x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 4.8 |
T04 | TRVV | 4x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 5.5 |
T05 | TRVV | 5x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 6.0 |
T06 | TRVV | 6x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 6.1 |
T08 | TRVV | 8x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 6.6 |
T10 | TRVV | 10x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 6.8 |
T12 | TRVV | 12x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 7.5 |
T14 | TRVV | 14x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 7.8 |
T16 | TRVV | 16x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 8.5 |
T20 | TRVV | 20x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 9.2 |
T22 | TRVV | 22x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 10.5 |
T24 | TRVV | 24x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 11 |
T26 | TRVV | 26x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 11.5 |
T30 | TRVV | 30x0.15mm² | 30/0.08AS+200Ds | 1.25mm | 13 |
Product | Number of cores/square | Conductor/ Number of items/Diameter | ID core wire | OD External covering |
Core wire material, abrasion-resistant -40+105 degrees. Abrasion resistant outer coating, cold -40+high temperature 105 degrees. 2-core: blue, brown. PVC Sheath: black, gray, and orange can be customized. The outer diameter size can be customized according to customers. 3-core: blue, brown, yellow, green. 4-core: brown, gray, black, yellow, green. 5-core: brown, gray, black, blue, yellow, green. The color of the 6-50 core wire is uniformly white, with numbers numbered 1-50. |
Comparison of performance between PUR polyurethane, modified PVC drag chain cables, and other cables.
Materials | PUR | Polyvinyl chloride | PUR | PVC | Rubber | Rubber |
Type | Polyether | Modified projectile | Polyester type | Ym2 | Natural rubber | Chloroprene rubber |
Application | ||||||
Temperature | -35/+80ºC | -40/+105ºC | -25/+80ºC | +5/+70ºC | -25/+60ºC | -20/+60ºC |
Dry Room | +++ | +++ | +++ | +++ | +++ | +++ |
Wet Room | +++ | +++ | + | ++ | ++ | +++ |
Air | +++ | +++ | + | -- | -- | +++ |
Connectivity | +++ | +++ | +++ | ++ | +++ | +++ |
High bending stress connectivity | +++ | +++ | +++ | + | +++ | +++ |
Electrical performance | ||||||
Volume resistivity | 10 12 | 10 12 | 10 12 | 10 13 | 10 13> | 10 13> |
Wet electrical stability | ++ | ++ | +++ | +++ | +++ | +++ |
Mechanical performance | ||||||
Durability | +++ | +++ | +++ | + | + | ++ |
Ultimate elongation | +++ | +++ | +++ | + | +++ | +++ |
Tear strength | +++ | +++ | +++ | ++ | + | ++ |
Abrasion resistance | +++ | +++ | +++ | + | + | ++ |
Resistance | ||||||
Low temperature | +++ | +++ | ++ | + | ++ | ++ |
Hot air | ++ | +++ | +++ | ++ | + | ++ |
Thermal expansion | -- | -- | -- | -- | +++ | +++ |
Grease | ++ | ++ | +++ | ++ | + | +++ |
Solvent | ++ | + | +++ | + | + | + |
Ozone | ++ | + | +++ | +++ | + | ++ |
Climate | +++ | ++ | ++ | + | ++ | |
Hydrolysis | +++ | ++ | + | +++ | +++ | +++ |
High-energy rays | ++ | ++ | +++ | +++ | + | + |
+++=Excellent ++=Good +=Commonly -- =Poor |
The company specializes in the production of lowvoltage power cables, communication cables and specialty cables.Its main products include power cables,installation cables, parallel cables (atomic cables), control cables, pulse regulator dedicated coaxial cables, elevator cables, shielded cables, oilresistant multicore flexible cables, high flexible drag chain cables, encoder servo cables. The general products are primarily used for internal connections of electrical equipment, instruments, and elevators, as well as various components of machine tools and machinery. The specialty cables are used for installations involving continuous reciprocating motion, especially in industrial environments that are dry or humid and require frequent bending, such as in modern mechanical standard components' drag chains, logistics systems, control systems, and mechanical automation systems.
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