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High-flexibility servo drag chain cables
Specially designed for mobile servo motor systems with drag chains, integrating highly flexible structure and composite function design to ensure stable transmission of power and control signals in cyclic reciprocating curved motion scenarios, adapting to multiple working environments.
1. Dual-structure design to cover diverse needs
▍Power Type (Four-Core Independent Structure)
Core specifications: 4×0.5/0.75/1.0/1.5/2.5/4/6/10/16/25/35mm² (customizable as needed)
Functional positioning: Single-transmission servo power supply, suitable for power connection in conventional automation equipment.
▍Power Control Composite Type (Integrated Stranded Structure)
Innovative combination: 4 power core wires, 1~2 sets of control core wires (stranded into bundles)
Typical specifications: ▫ 4G1.5 2×0.5 | 4G2.5 2×0.75 (Power, single group control) ▫ 4G1.5 2×(2×0.5) | 4G2.5 2×(2×0.5) (Power, dual group control)
Scenario value: Simultaneously completes power supply and control signal transmission, reduces wiring complexity, and is suitable for highly integrated servo systems.
2. Breakthroughs in Five Core Technologies ▍Conductor Process: Ultra-fine Twisting, Upgraded Flexibility
Uses VDE 0295/CLASS Class 6 ultrafine oxygen-free bare copper wire (diameter ≤0.1mm), stranded into bundles, improving conductor flexibility by 40%, and customizable tin-plated copper conductors to enhance oxidation resistance.
▍Insulation Solution: High-Strength Elastomer, Double Protection
Special hybrid elastomer insulation material, dielectric strength ≥20 kV/mm, mechanical tensile strength ≥15 MPa, balancing electrical insulation stability and bending fatigue resistance.
▍Shielding System: Layered Protection, Worry-Free Interference Resistance
Power type: Single-layer tinned copper wire braided shielding (density ≥85%), effectively suppressing electromagnetic interference;
Composite type: Separate shielding of control core wires, overall shielding (divided total shielding structure), crosstalk resistance increased to 95%, ensuring precise control signal transmission.
▍Sheath System: Dual Material Options, Suitable for All Environments
Conventional scenario: Specially modified elastomer sheath, wear resistance coefficient ≥120 mg/1000 cycles, suitable for indoor dry environments;
Harsh scenarios: Imported PUR polyurethane sheath, oil-resistant (no corrosion after 72h diesel immersion), waterproof (IP67), UV aging resistant, suitable for outdoor/oily/humid environments.
▍Structural Reinforcement: Dual Protective Layer Design, High-Speed Compatibility
The inner sheath uses an armored extrusion process, with a fixed stranded wire structure to prevent loosening; the outer sheath is high-pressure molded, with a surface friction coefficient ≤0.3, supporting high-speed movement (acceleration ≥5 m/s²), and a bending life of up to 10 million cycles.
3. Key Performance Parameters Overview
Project
Base values
Custom Upgrade
Rated voltage
Power core wire 600/1000V, control core wire 250V AC
Higher voltage levels can be customized
Bending radius
Mobile installation 7.5×D, fixed installation 5×D (D = outer diameter)
Minimum can reach 5×D (special process)
Ambient temperature
-60℃ low temperature / -120℃ high temperature customization
Shielding effectiveness
Power type ≥60dB, composite type ≥80dB
Military-grade shielding (≥90dB) optional
System
UL, CSA, etc. customizable
4. Working condition adaptation and selection recommendations
▍Indoor routine operating conditions
Preferred configuration: modified elastomer sheath, single shielded power type
Applicable scenarios: machine tool servo shafts, automatic assembly lines, bending frequency ≤5 times per second.
▍Outdoor Complex Conditions
Preferred configuration: PUR polyurethane sheath with total shielding composite type
Applicable scenarios: port crane servo systems, chemical mixing equipment, requiring resistance to oil, water, and corrosion, with a bending service life of ≥ 8 million cycles.
▍High-speed, high-frequency operating conditions
Preferred configuration: Double-sheath structure, tin-plated copper shielding composite type
Applicable scenarios: collaborative robot joints, high-speed packaging machines, movement speed ≥ 10m/s, acceleration ≥8m/s².
Selection Tips
For automated production line scenarios, the drag chain reciprocating power supply is recommended, with a torsion-resistant wind-resistant structure and shielded type. If service life is needed, tensile components can be added or sheath materials can be replaced.
