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Cable Pair Twisting Machine With Backtwist
Cable Pair Twisting Machine With Backtwist

Cable Pair Twisting Machine With Backtwist

The Pair Twisting Machine with Backtwist is a key piece of equipment specially designed for LAN cable production. It is primarily used to twist two insulated core wires according to specific requirements, while applying backtwist to the individual conductors during the twisting process. This produces twisted pairs that meet the high-performance requirements of network data transmission. The machine is widely used in the manufacturing of Cat5, Cat5e, Cat6, Cat7, and other network data cables. The equipment is equipped with a comprehensive testing and control system. During cable production, high-precision sensors continuously monitor various parameters—such as wire diameter, twist pitch, backtwist rate, tension, and length—and transmit real-time data to the control system. If any abnormal values are detected, the system automatically adjusts the operation of relevant components to ensure the product quality consistently meets standard requirements. The machine also features a self-diagnostic function. In the event of a fault, the system can quickly and accurately identify the fault location and display detailed information on the touchscreen interface, allowing operators to perform timely maintenance, reduce downtime, and improve overall production efficiency.
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Single Twist Cabling Machine

Cable Drawing Insulation Tandem Line
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  • 1、Adaptable wire diameter range: 0.5-1.5mm
    2、Speed: max2000tpm
    3、Pitch range: 5-60mm
    4、Tension accuracy：±5%
    5、Meter accuracy: ±0.5%.

About Us
Zhangjiagang Dachen Machinery Manufacturing Co., Ltd.
Zhangjiagang Dachen Machinery Manufacturing Co., Ltd.
Zhangjiagang Dachen Machinery Manufacturing Co., Ltd. established in 1997, we are Custom Cable Pair Twisting Machine With Backtwist Manufacturers and Cable Pair Twisting Machine With Backtwist Company, specializes in the research, development, and manufacturing of cable production equipment. Located in Jinfeng Town, Zhangjiagang—recognized as a national-level sanitary city—the company operates a modern 10,000 m² production facility, with an annual output value exceeding 50 million yuan.
As a national high-tech enterprise and a "Specialized, Refined, Characteristic, and Innovative" SME in Jiangsu Province, Dachen employs over 60 professionals, including a strong team of senior engineers who account for more than 20% of the staff. The company is ISO 9001:2008 certified, with its production capacity and technical expertise ranking among the best in the industry.
Dachen Machinery offers complete cable production equipment solutions—including LAN cable lines, industrial cable systems, plastic processing machinery, and customized non-standard equipment. With in-house control over the entire development process—from mechanical structure to electrical systems—the company ensures fast delivery and tailored service. Dachen is trusted by customers for its outstanding cost performance, fine craftsmanship, and dedicated after-sales support.
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Industry knowledge

What is the function of the Cable Pair Twisting Machine with Backtwist?

1. Overall Four-Pair Twisting: The machine completes the overall twisting of four twisted pairs in one operation, meeting the production requirements of high-speed network cables such as LAN and Cat6/7/8.

2. Simultaneous Backtwist and Insulation Tape Application: During the twisting process, each twisted pair is simultaneously backtwisted and wrapped with insulating tape, ensuring uniform torque and good protection for each pair.

3. Real-time High-Precision Parameter Monitoring: High-precision sensors monitor key parameters such as torque, twisting gap, tension, and wire length in real time, transmitting the data back to the control system for closed-loop control.

4. Self-Diagnosis and Fault Location: The machine is equipped with a touchscreen self-diagnostic function. In case of an anomaly, it can quickly locate the fault location and display detailed information, significantly reducing downtime.

What are the drive method and control system of the Cable Pair Twisting Machine with Backtwist?

1. Servo Motor Drive: Employs a high-response servo motor to achieve precise speed and torque control, meeting the ±5% tension accuracy requirement.

2. PLC + Touchscreen HMI Control: Utilizes an industrial-grade PLC combined with a large-screen touchscreen HMI to achieve end-to-end management of parameter setting, operation monitoring, and data recording.

3. Closed-Loop Sensor Feedback: Sensors for wire diameter, tension, and torque form a closed loop. The system automatically adjusts the drive motor based on real-time data, ensuring that torque and counting errors remain within set ranges.

4. Remote Monitoring and Data Storage: Enables remote monitoring via Ethernet or industrial wireless modules. Production data can be uploaded to a cloud platform for historical traceability and quality analysis.

What are the advantages of a Cable Pair Twisting Machine with Backtwist compared to a traditional cable pairing machine?

Traditional Twisting Machine Cable Pair Twisting Machine With Backtwist
Limited capacity (typically ≤ 300 tpm) Up to 500 tpm, meeting high‑volume production needs
Narrow wire‑diameter range (≤ 2 mm) Supports 1 – 3 mm wire diameters, covering a broader range of cables
Large torque and counting errors Torque accuracy ±5%, counting error ±0.5%, ensuring high‑quality network cables
Fault diagnosis relies on manual experience Self‑diagnostic system quickly locates faults, significantly reducing downtime
Lacks integrated back‑twist and tape‑wrapping Back‑twist + tape‑wrapping synchronized, improving pair consistency and protection

Frequently Asked Questions (FAQ)
Q1:What are the main advantages of back-twisting technology?

A:Back-twisting neutralizes the concentricity effect between the conductor and insulation layer, reduces mutual capacitance and impedance imbalance (NEXT loss), improves signal integrity and anti-interference capabilities, and adapts to 5G, 10G, and even higher-speed communication standards.

Q2:Does Dachen Machinery offer customized equipment services?
A:The company possesses complete R&D capabilities across the entire chain, including mechanical structure, control system, and software. We can provide customized design and rapid delivery based on customer drawings or special requirements, along with full technical support.

Q3:What is the applicable conductor size range for this twisting machine?
A:It is suitable for conductor diameters of 0.8mm–2.0mm (commonly Cat5e–Cat8), and can be used with tension adjustment from 0.6kgf to 3.0kgf to achieve uniform twisting.