Robot cable

1.  Robotics industry

1.1  Flexible torsional cables specially designed for assembly robots shall meet the following requirements:

◆ Conductor construction: Fine, high-tensile oxygen-free tinned copper strands or bare copper strands, combined with tensile‑resistant materials, are stranded in a regular small‑pitch lay configuration.

◆ The insulation and jacket are made of a special torsion-resistant elastomeric compound, offering corrosion resistance, wear resistance, high tensile strength, and oil resistance.

◆ Cable stranding employs a small pitch, composite lay, and untwisting process, increasing both the number of twists and the twist angle of the cable.

◆ The filling and wrapping are made of torsion‑resistant, high‑tensile‑strength flexible materials, and a specialized process design is employed to extend the service life of the equipment‑handling robots.

◆ Shielding: A specialized design employing multi-layer copper wire and aramid yarn braiding, enhancing cable torsional flexibility, electromagnetic interference resistance, and the accuracy of data transmission.

◆The inner sheath is made of a specially formulated extruded flexible elastomer compound.

◆ Special materials and specialized process design ensure the assembly robot’s resistance to bending. 1000 More than ten thousand times, torsion 180 ° 360 °. Requirements for corrosion resistance, oil resistance, wear resistance, and more.

◆Applicable environments for assembly robot cables: assembly robots, logistics distribution warehouses, intelligent equipment, automated production lines, and similar settings.

◆Customer Requirements: In accordance with the customer’s specifications, our company’s Technical Department has specially designed a high‑quality robotic flexible cable tailored to the customer’s application environment.

● Cable characteristics: Operating temperature -30 °C to 70 ℃; Bending radius: ≥ 4D D- Cable diameter;

Torsional curvature: 90 ° 180 ° 360 °Select based on the robot’s design

Number of bends: ≥ 500 Ten thousand times    ≥ 800 Ten thousand times   ≥ 1200 Ten thousand times, with a reasonable selection based on the robot’s speed.

Movement Speed: 20 m/s 30 m/s 50 m/s , Select based on the robot’s travel speed.

1.2  Cables specially designed for welding robots shall meet the following requirements:

◆ Conductor construction: Fine tinned copper strands combined with high-tensile-strength materials, arranged in a regular small‑pitch stranding configuration.

◆ The insulation and jacket are made of a special elastomeric compound, offering corrosion resistance, abrasion resistance, high tensile strength, oil resistance, and torsional resistance.

◆ Cable stranding: employs a small pitch, composite lay, and untwisting stranding process to increase the cable’s torsional cycles and torsional curvature.

◆ The filling and wrapping are made of torsion‑resistant, high‑tensile‑strength flexible materials, and a specialized process design is employed to extend the service life of the welding robot.

◆ Shielding: A special dual-layer shielding design combining braiding and wrapping, enhancing the cable’s resistance to electromagnetic interference and ensuring accurate data transmission.

◆ Special materials and specialized manufacturing processes ensure the welding robot cable’s excellent bend resistance. 800 More than ten thousand times, torsion 180 °. Requirements for corrosion resistance, oil resistance, wear resistance, UV resistance, and more.

◆Applicable environments for welding robot cables: welding robots, intelligent equipment, automated production lines, and similar settings.

◆Customer Requirements: In accordance with the customer’s specifications, our company’s Technical Department has specially designed a high‑quality robotic flexible cable tailored to the customer’s application environment.

● Cable characteristics: Operating temperature -30 °C to 90 ℃; Bending radius: ≥ 4D D- Cable diameter;

Torsional curvature: 90 ° 180 ° 360 °Select based on the robot’s design

Number of bends: ≥ 500 Ten thousand times ≥ 800 Ten thousand times ≥ 1200 Ten thousand times, with a reasonable selection based on the robot’s speed.

Movement Speed: 20 m/s, 30 m/s, 50 m/s, Select based on the robot’s travel speed.

1.3  Cables specially designed for metallurgical robots shall meet the following requirements:

◆ Conductor construction: Fine tinned copper strands combined with tensile‑resistant materials, arranged in a regular small‑pitch stranding configuration.

◆ Insulation and jacket are made of a specially formulated elastomeric compound, meeting -40 °C to 120 ℃, with advantages such as high-temperature resistance, corrosion resistance, wear resistance, oil resistance, and bend resistance.

◆ Cable stranding: employs a small pitch, composite lay, and untwisting stranding process to increase the cable’s torsional cycles and torsional curvature.

◆ The filling and wrapping are made of high-temperature‑resistant, high‑tensile‑strength flexible materials, and a specialized process design is employed to extend the service life of metallurgical robots.

◆ Shielding: Employing a high-density, double-layer shielding design with specialized manufacturing processes to enhance the cable’s resistance to electromagnetic interference and ensure precise data transmission.

◆ Special materials and specialized process design ensure compliance with the operating temperature range of metallurgical robots. -40 °C to 120 ℃ requirements: high-temperature resistance and bendability 800 Suitable for use in harsh environments, withstanding over ten thousand cycles, and offering resistance to corrosion, oil, abrasion, and ultraviolet radiation.

◆ Applications of metallurgical robot cables: metallurgy, mining, high-altitude regions, islands, marine equipment, and other environments with specific temperature requirements. -40 °C to 120 Flexible mobile cable for harsh environments such as °C

◆Customer Requirements: In accordance with the customer’s specifications, our Technical Department has specially designed a high‑quality, flexible, high‑temperature cable tailored to the customer’s intended application environment.

● Cable characteristics: Operating temperature -40 °C to 120 ℃; Bending radius: ≥ 6D D- Cable diameter;

Torsional curvature: 90 ° 180 ° 360 °Select based on the robot’s design

Number of bends: ≥ 500 Ten thousand times    ≥ 800 Ten thousand times   ≥ 1200 Ten thousand times, with a reasonable selection based on the robot’s speed.

Movement Speed: 20 m/s 30 m/s 50 m/s , Select based on the robot’s travel speed.

2. Various types of robot cables

2.1 UN91838 Robot-specific composite cable

Product Structure

●Product Model: UN91838

●Product specifications: Power ( 2-5 ) Core , ( 0.5-70 ); control ( 2-10 ) core, ( 0.1-1.5 ); signals and data ( 1-24 ) Right, ( 0.08-0.75 ) mm ²；

● Conductor: Fine oxygen-free bare copper wires with high flexural strength (tinned copper wires), stranded in a regular lay configuration with a small pitch, combined with high-tensile-strength wires (in compliance with…). IEC 60228 class 6 VDE 0295 class 6 Standard)

● Insulation: Specialized for power, control, and data applications, featuring high insulation resistance and superior mechanical properties. PVC Mixed insulating material signal: uses a special high-insulation-resistance formulation. PP Mixed insulating material

● Conductor Stranding Method: Twisted pairs are stranded using varying lay lengths, while the cable is constructed with a carefully designed untwisting pitch.

●Conductor Identification   : Conductor wires are color-coded:

Power and Control: (Black wire cores are marked with white numerals) + Yellow-green)

Signals and data: (red, yellow, green, blue, black, gray, white, purple, pink, brown, orange), etc. , Differentiation can be achieved through methods such as dot markings, color bars, or numerical codes (as per customer requirements).

● Double-layer shielding: aluminum foil and copper wire braid , Aluminum foil shielding 100% , knitting density 85%

● Overall Shielding: Tinned braided shield, with a wire coverage rate of 85%

● Outer jacket: low-adhesion, oil-mist resistant surface PUR Base mixture, exceptionally wear-resistant (compliant with VDE 0282 Standard)

● Sheath color: Black (and RAL9005 Similar ) (Other colors available upon customer request)

Blue (and RAL5011 Similar )

      Green (and RAL6005 Similar )

      Orange (and RAL2003 Similar )

Technical Specifications

● Rated voltage: 450/750V；  

● Test Voltage: Power and Control Cables 2500V/5min ; Data and signal cables 1000V/1min

● Operating temperature range: -40 °C to +100 °C

  (Mobile installation) Bending radius is: 6 × D

● Operating temperature range:   -50 °C to +100 °C

  (Fixed installation) The bending radius is: 5 × D

● Bending life: 60 Next / minutes, ≥ 800 Ten thousand times , Reversible 180 ° 360 ° (According to customer requirements)

● Material properties: wear resistance, oil resistance, chemical resistance, cold resistance, UV resistance, crush resistance, torsional resistance, and high tensile strength, among other advantages.

Application Scenarios

● Designed for high‑load applications, fully resistant to oils and bio‑oils, crush‑resistant, waterproof, seawater‑resistant, and capable of withstanding low temperatures—suitable for both indoor and outdoor use, as well as marine operations.

● Composite cable suitable for use in various robotic systems, including arc welding robots, spot welding robots, assembly robots, painting robots, material handling robots, marine exploration robots, engraving robots, palletizing robots, and more.

● Cable advantages: Through a specialized design process, the robot’s power, control, signal, and data systems are integrated into a single cable, which simplifies installation and saves space.

2.2 UNSFP81232 Data transmission cable for robots

Product Structure

●Product Model: UNSFP81232

●Product Specifications: ( 1-48 ) to ,2 Core, 3 Core; ( 0.08-2.5 ) mm ²；

● Conductor: Fine oxygen-free bare copper wires with high flexural strength (tinned copper wires), stranded in a regular lay configuration with a small pitch, combined with high-tensile-strength wires (in compliance with…). IEC 60228 class 6 VDE 0295 class 6 Standard)

● Insulation: High insulation resistance, high mechanical properties, special PVC Mixed insulating material

● Conductor Stranding Method: Twisted pairs are stranded using varying lay lengths, while the cable is constructed with a carefully designed untwisting pitch.

● Conductor Identification: Conductors are color‑coded (red, yellow, green, blue, black, gray, white, purple, pink, brown, orange). For multi‑core twisted insulated conductors, identification may be achieved through marking dots, colored stripes, numerical coding, or other methods, as per customer requirements.

● Partial shielding: aluminum foil shielding , Aluminum foil shielding 100%

● Overall Shielding: Tinned braided shield, with a wire coverage rate of 85%

● Outer jacket: low-adhesion, oil-resistant PVC Base compound, suitable for robot cables (compliant with VDE 0282 Standard)

● Sheath color: blue (and RAL5011 Similar ) (Other colors available upon customer request)

      Green (and RAL6005 Similar )

      Orange (and RAL2003 Similar )

  Technical Specifications

● Rated voltage: 300/300V；  

● Test voltage: 1000V/1min；

● Operating temperature range: -40 °C to +100 °C

  (Mobile installation) Bending radius is: 6 × D

● Operating temperature range: -50 °C to +100 °C

  (Fixed installation) The bending radius is: 5 × D

● Bending life: 60 Next / minutes, ≥ 800 Ten thousand times , Reversible 180 ° 360 ° (According to customer requirements)

● Material properties: wear resistance, oil resistance, chemical resistance, cold resistance, UV resistance, crush resistance, torsional resistance, and high tensile strength, among other advantages.

  Application Scenarios

● Designed for high‑load applications, fully resistant to oils and bio‑oils, crush‑resistant, waterproof, seawater‑resistant, and capable of withstanding low temperatures—suitable for both indoor and outdoor use, as well as marine operations.

● Transmission data cable suitable for connecting data transmission systems in arc welding robots, spot welding robots, assembly robots, painting robots, material handling robots, marine exploration robots, engraving robots, palletizing robots, and more.

● Cable advantages: Thanks to its specialized design, it offers strong resistance to both high‑frequency and low‑frequency interference, thereby enhancing the accuracy of data transmission.

2.3  UNSFPN71537 Monitoring and feedback signal cable for robots

Product Structure

●Product Model: UNSFPN71537

●Product Specifications: ( 1-48 ) to ,2 Core, 3 Core; ( 0.08-2.5 ) mm2；

● Conductor: Fine, oxygen-free bare copper wires with high flexural strength (tinned copper wires), combined with high-tensile-strength wires, stranded in a regular lay configuration with a small pitch.                (Compliant IEC 60228 class 6 VDE 0295 class 6 Standard)

● Insulation: High insulation resistance, excellent mechanical properties, suitable for monitoring feedback signal cables in special applications. PP Mixed insulating material

● Conductor Stranding Method: Twisted pairs are stranded using varying lay lengths, while the cable is constructed with a carefully designed untwisting pitch.

●Conductor Identification : Conductor cores are color‑coded (red, yellow, green, blue, black, gray, white, purple, pink, brown, orange, etc.); for multi‑core twisted insulated cores, identification may be achieved through marking dots, colored stripes, numerical coding, or other methods (as per customer requirements).

● Double shielding: aluminum foil shielding and tinned braided shielding, with aluminum foil shielding. 100% , the braiding coverage of the shielded wire is 85%

●Inner jacket: low-adhesion, oil-mist resistant surface PUR Base mixture, exceptionally wear-resistant (compliant with VDE 0282 Standard)

● Overall Shielding: Tinned braided shield, with a wire coverage rate of 85%

  ● Outer jacket: low-adhesion, oil-mist resistant surface PUR Base mixture, exceptionally wear-resistant (compliant with VDE 0282 Standard)

● Sheath color: blue (and RAL5011 Similar ) (Other colors available upon customer request.) Green (and RAL6005 Similar ) . Orange (and RAL2003 Similar )

Technical Specifications

● Rated voltage: 300/300V ；

● Test voltage: 1000V/1min ；

● Operating temperature range: -40 °C to +100 °C

      (Mobile Installation)    The bending radius is: 6 × D

● Operating temperature range: -50 °C to +100 °C

     (Fixed installation)     The bending radius is: 5 × D

● Bending life: 60 Next / minutes, ≥ 800 Ten thousand times , Reversible 180 ° 360 ° (According to customer requirements)

● Material properties: wear resistance, oil resistance, chemical resistance, cold resistance, UV resistance, crush resistance, torsional resistance, and high tensile strength, among other advantages.

Application Scenarios

● For heavy loads , fully resistant to oil, bio‑oils, compression, water, seawater, and low temperatures—suitable for both indoor and outdoor applications as well as marine operations.

●Suitable for connecting monitoring and feedback signal cables in arc welding robots, spot welding robots, assembly robots, painting robots, handling robots, marine exploration robots, engraving robots, palletizing robots, and other similar systems.

● Cable advantages: Thanks to its specialized design, it offers strong resistance to both high‑frequency and low‑frequency interference, thereby enhancing the accuracy of monitoring feedback signals.

2.4 UN61327 Robot-specific control cable

Product Structure

●Product Model: UN61327

●Product Specifications: ( 2-61 ) Core , ( 0.1-1.5 ) mm ² ; ( 2-48 ) Core , ( 2.0-6 ) mm ²

● Conductor: Fine, oxygen-free bare copper wires with high flexural strength (tinned copper wires), stranded in a regular lay configuration with a small pitch (in compliance with… IEC 60228 class 6 VDE 0295 class 6 Standard)

● Insulation: High insulation resistance, high mechanical properties, special PVC Mixture

● Conductor stranding method: Number of conductors < 12 Core: The conductors are stranded according to a small-pitch reverse-twist rule. Number of conductors ≥ 12 The core and the conductor are subjected to a double untwisting and re‑stranding process; in particular, the torsion‑resistant core incorporates an additional reinforcing core in its center.

●Conductor identification: Cross-sectional area ≤ 0.5mm² , the core wires are color-coded (red, yellow, green, blue, black, gray, white, purple, pink, brown, orange), etc. 。 Cross-sectional area ≥ 0.5mm² , one yellow-green conductor; the remaining conductors are all black with white numerals (as per customer requirements)

● Shielding: High‑flexural‑strength tinned braided shield with a wire coverage of 85%

● Outer jacket: low-adhesion, oil-mist resistant surface PUR Base mixture, exceptionally wear-resistant (compliant with VDE 0282 Standard)

● Sheath color: Black (and RAL9005 Similar ) (Other colors available upon customer request)

      Gray (and RAL7001 Similar )

      Orange (and RAL2003 Similar )

Technical Specifications

● Rated voltage: < 0.5mm² 300/300V ；   ≥ 0.5mm² 300/500V

● Test voltage: < 0.5mm²    1500V/5min ;≥ 0.5mm² 2000V/5min

● Operating temperature range: -40 °C to +100 °C

  (Mobile installation) Bending radius is: 5 × D

● Operating temperature range: -50 °C to +100 °C

  (Fixed installation) The bending radius is: 4 × D

● Maximum speed: 10 rice / seconds; 6 rice / Second (fictional) / Gliding)

● Maximum speed: 60 rice / seconds

● Bending life: 60 Next / minutes, ≥ 1000 Ten thousand times , Reversible 180 ° 360 ° (According to customer requirements)

● Flame-retardant properties: Compliant with IEC 332-1 Standard

● Material properties: wear resistance, oil resistance, chemical resistance, cold resistance, UV resistance, crush resistance, torsional resistance, and high tensile strength, among other advantages.

Application Scenarios

● For heavy loads   , fully resistant to oil, bio‑oils, compression, water, and low temperatures—suitable for both indoor and outdoor work environments

●Suitable for control signal cables used to connect control systems in arc welding robots, spot welding robots, assembly robots, painting robots, material handling robots, marine exploration robots, engraving robots, palletizing robots, and more.

2.5 UN51608 Power cable for robots

Product Structure

●Product Model: UN61608

●Product Specifications: ( 3-5 ) Core , ( 0.5-70 ) mm2 ; ( 3-48 ) Core , ( 0.5-6 ) mm2

● Conductor: Fine, oxygen-free bare copper wires with high flexural strength (tinned copper wires), stranded in a regular lay configuration with a small pitch (in compliance with… IEC 60228 class 6 VDE 0295 class 6 Standard)

● Insulation: High insulation resistance, high mechanical properties, special SME Mixture

● Stranding configuration: Conductor strands are stranded in a regular pattern with a small lay length.

    ● Filling and Wrapping: Filled with imported cotton yarn or fiber filaments, and wrapped with imported, environmentally friendly, tensile‑resistant, flexible wrapping material.                               

●Conductor Identification : Conductor identification (white numerals marked on black conductors) + Yellow-green)

● Outer jacket: low-adhesion, oil-mist resistant surface PUR Base mixture, exceptionally wear-resistant (compliant with VDE 0282 Standard)

● Sheath color: Black (and RAL9005 Similar ) (Other colors available upon customer request)

      Gray (and RAL7001 Similar )

      Orange (and RAL2003 Similar )

Technical Specifications

● Rated voltage: 450/750V；600/1000V

● Test voltage: 2500V/5min； 3000V/5min

● Operating temperature range: -40 °C to +100 °C

  (Mobile Installation)   The bending radius is: 6 × D

● Operating temperature range:   -50 °C to +100 °C

  (Fixed installation)   The bending radius is: 4 × D

● Maximum speed: 10 rice / seconds; 6 rice / Second (fictional) / Gliding)

● Maximum speed: 60 rice / seconds

● Maximum temperature achievable during a short circuit: +250 °C

● Bending life: 60 Next / minutes, ≥ 1000 Ten thousand times

● Flame-retardant properties: Compliant with IEC332-1 Standard

● Material properties: cold resistance, hydrolysis resistance and oil resistance, radiation resistance, ozone resistance, weather resistance, acid–alkali resistance, high abrasion resistance, high mechanical load capacity, excellent flexural fatigue resistance, torsional resistance, chemical resistance, and other advantages.

Application Scenarios

● For heavy loads   , fully resistant to oil, bio‑oils, compression, water, seawater, and acids, alkalis, and salts—suitable for both indoor and outdoor work environments

● Suitable for connecting power cables to various types of robot motors, including arc welding robots, spot welding robots, assembly robots, painting robots, material handling robots, marine exploration robots, engraving robots, palletizing robots, and more.

2.6 Industrial automation: cables specially designed for robotic mechanical arms.

Scope of Application

The expertly engineered torsion‑resistant design ensures the cable operates safely and reliably under high‑speed torsional conditions, significantly enhancing system stability. It effectively addresses issues caused by cable quality, such as core breakage, kinking (resulting in a helical deformation of the cable surface), insulation layer adhesion and damage, and sheath rupture, while also providing resistance to both forward and reverse torsional stresses. 720 Degree, (refer to the design requirements for specifics), with a specified torsional angle and maintained high service life.

Cable structure

Cable structure standard: Refer to   DIN VDE 0250 Standard

Conductor: Compliant DIN VDE 0295 ( or IEC 60228)   middle  6  Class conductor

Insulation: Custom-Made Speciality  NBR-PVC  It meets insulation material standards and exhibits excellent tensile strength and insulation resistance.

Insulation marking: Compliant   DIN VDE 0293   Standard

Outer jacket: specially customized  NBR-PVC  Composite sheathing material. Exhibits excellent tensile and tear strength, gray in color, compliant with…  RAL7001 Requirements.

Performance indicators

Operating voltage  Uo/U： S   ≤  0.75mm ², 300/500 V

S   ≥  1.0mm ², 450/750 V

Test voltage: S   ≤  0.75mm ², 2000V，50Hz，5Min

70 Minimum insulation resistance at ℃: 20  MΩ Km

Temperature range

Mobile Installation: -20~+80 °C

Fixed installation: -40~+85 °C

Minimum bending radius

Mobile Installation: 7.0X Cable outer diameter

Fixed installation: 4.0X Cable outer diameter