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Jiangsu Listrong Mechanical & Electrical Co., Ltd.
Listrong Mechanical & Electrical Co., Ltd., is a professional wire and cable production manufacturer with development design, whole plant planning and technical advice, manufacture, installation, commissioning and after-sales service in one. Double Twist Buncher Machine Manufacturers and Custom Wire Bunching Machine Factory. Our main products are wire drawing machines, annealing machines, wire bunching machines and other related equipment for bare copper, copper alloy and stainless steel wire, etc.
We believe that perfect high-quality products only come from zero defective production process. Listrong has adopted advanced production equipment and technology, scientific & standardized management systems and strict testing standards to ensure an internationally advanced level of quality , structure, performance and appearance. A post-sales service team with versatility and high efficiency is standing by to provide a full range of services and ensure that the products of your choice are in good working condition all the time. supply Custom Tinned wires/Copper Wire Bunching Machine. Our products, well-trusted and supported, have been sold throughout China and Southeast Asia, the Middle East, South Africa and other regions.
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  • A steamless copper wire drawing and annealing machine
  • A kind of continuous wire drawing machine
  • An easy-to-clean wire drawing machine
  • A feeding device for stranding machines
  • A splitter device for stranding machines
  • A high-performance stranding machine with a line device
  • A kind of take-up device for high-speed stranding machine
  • A kind of broken wire alarm device for high-speed stranding machine
  • Occupational health and safety management system certification
  • Quality management system certificate
  • A kind of continuous wire drawing machine
  • A kind of wire drawing machine for fiber optic cable production
Bunching Machines Industry knowledge
How does the lay length or lay length of Bunching Machines determine the performance of the job?
The lay length, or lay pitch, in the context of Wire Bunching Machine refers to the distance over which individual wires or strands are twisted together to form a cable or conductor. The lay length is an essential parameter, and it plays a crucial role in determining the performance of the job in the following ways:
Electrical Performance: The lay length can significantly influence the electrical properties of the cable or conductor. It affects characteristics such as capacitance, inductance, and impedance. By adjusting the lay length, you can control the electrical performance, which is crucial in applications where signal integrity and transmission characteristics are essential. For example, specific lay lengths may be used to control the impedance of twisted pair cables in data communication applications.
Mechanical Strength: The lay length can impact the mechanical strength of the cable. The way the individual wires or strands are twisted together affects the overall strength and durability of the cable. In some applications, a longer lay length may be chosen to enhance the cable's mechanical robustness, which is critical in situations where the cable may be subject to mechanical stress or handling.
Flexibility and Bend Radius: The lay length affects the flexibility of the cable. A shorter lay length results in a stiffer cable, while a longer lay length typically increases flexibility. The choice of lay length is important when the cable needs to bend, coil, or flex without damage. Longer lay lengths are often preferred for more flexible cables.
Torsional Characteristics: Torsion or twisting behavior is influenced by the lay length. A shorter lay length may make the cable more resistant to twisting, while a longer lay length allows for greater flexibility and ease of twisting. This characteristic is important in applications where the cable may be subjected to torsional forces.
EMI and Cross-Talk: In data communication and power cable applications, the lay length can affect electromagnetic interference (EMI) and cross-talk between conductors. Carefully choosing the lay length can help minimize interference and cross-talk, ensuring reliable data transmission and reducing the impact of external electrical noise.
Manufacturability: The lay length can also influence the manufacturability of the cable. It may impact how the cable is handled during installation, coiling, or unwinding. A suitable lay length ensures that the cable can be efficiently manufactured and installed without issues.
Compliance with Standards: In many industries, standards and regulations dictate the required lay length for specific types of cables. Adhering to these standards is crucial for ensuring that the cable meets industry requirements and is safe for its intended use.
The choice of lay length is a critical engineering decision and should align with the specific requirements and performance characteristics of the job. Factors such as signal quality, mechanical strength, flexibility, and compliance with industry standards all come into play when determining the most appropriate lay length for a given application.

Can Bunching Machines be used to process a variety of different wire or strand materials?
Double Twist Buncher Machine are versatile equipment designed to process a variety of different wire or strand materials. These machines are commonly used in the wire and cable manufacturing industry to twist together multiple wires or strands to create a single conductor or cable. Here are some of the wire and strand materials that can be processed using Wire Cable Bunching Machine:
Copper Wire: Copper wire bunching machines are frequently used to twist and bunch copper wires. Copper conductors are widely used in electrical and electronic applications.
Aluminum Wire: Aluminum wire is often bunched to create conductors for applications where weight considerations are important.
Steel Wire: In industrial and construction applications, steel wire strands are bunched to create cables with high tensile strength.
Tin-Plated Wire: Bunching machines can process tin-plated wires, commonly used in electronic and automotive applications.
Alloy Wires: Various alloy wires, such as brass and bronze, can be processed using bunching machines to create custom conductors.
Stranded Wire: Bunching machines are commonly used to twist together strands of wire to create flexible and robust cables used in power transmission, telecommunications, and other applications.
Fiber Optic Strands: Double Twist Buncher can also process fiber optic strands, twisting them together to create fiber optic cables for data communication.
Coaxial Cable Components: Bunching machines can be used to assemble coaxial cables by twisting the central conductor and insulating layers.
Textile Strands: In some applications, textile strands or fibers are bunched together to create textile cables or cords used in various industries.
Specialized Wire Materials: Bunching machines can process specialized wire materials with unique coatings or insulations for specific industrial or commercial applications.
The versatility of bunching machines makes them valuable tools in the cable and wire manufacturing industry. They can be configured to handle different wire sizes, strand counts, and materials, making it possible to produce a wide range of custom cables and conductors tailored to specific application requirements. The choice of bunching machine and its configuration may vary depending on the materials and characteristics of the wires being processed.