Multiwire drawing machine

Types of multiwire drawing machines

A multiwire drawing machine is a piece of equipment that draws metal wires of different thicknesses. They are mainly used in the metal manufacturing industry. Multiple wires can be drawn simultaneously using a multiwire drawing machine. Here are some types of multiwire drawing machines:

• Multiwire wet drawing machines: These machines are used to draw wires with the help of fluids or lubricants. The fluids are used to cool as well as reduce friction. They are often used in industries where a high-quality surface finish is required. The multiwire wet drawing machine is a machine that can cut metal wire into different sizes. It can produce high-quality wires and has excellent production efficiency. It is often used in the production of metal products like fences, nets, and other materials. This machine works by first feeding a spool of metal wire into the machine. Then, the wire is drawn through multiple drawing dies that reduce its diameter and increase its length. At the same time, the wire is cut into smaller sections by a multi-blade device. Finally, the drawn wire segments are collected in a container or onto a spool.
• Multiwire brass drawing machines: Brass multiwire drawing machines are used to produce brass wires. These are machines that are specifically designed to shape and draw brass metal into wires of different gauges. The machine works by pulling the brass metal through a series of dies that reduce its diameter. Some multiwire brass drawing machines come with additional features like coil processing or bunching and braiding capabilities. These are useful for further processing the brass wire into different forms. Once the wire is drawn to the desired thickness, it may be heat-treated or coated for additional protection and durability.
• Multiwire drawing machines with bunching: Bunching is a process where several strands of wire are gathered together in a specific pattern. As the name suggests, multiwire drawing and bunching machines draw multiple wires simultaneously before bunching them together. In areas where cables are needed in bulk, multiwire drawing machines with bunching are highly efficient. They save time and reduce costs by producing large quantities of wires at once compared to single wire bunching machines. Typically, these machines are employed in industries such as electrical cabling, telecommunications, automotive, and other sectors that require high volumes of strands or wires.
• Multiwire copper drawing machines: As the name implies, copper multiwire drawing machines are used to manufacture copper wires. This means that the machines work on non-ferrous metals like copper, brass, bronze, aluminum, etc. When using a multiwire copper drawing machine, the wire is pulled through a series of dies that reduce its diameter. The reduced wire is then cut to length. There are different designs and models of multiwire drawing machines in the industry. Copper wires of different shapes are used in telecommunication, electrical wiring, automotive parts, connectors, and many more.

Specifications and Maintenance

Specifications

• Capacity: A multiwire drawing machine with a capacity of 2300-3000 kg per month can draw three wires at the same time, with a maximum speed of 1,500-3,000 New meters per month.
• Die: The die holes in multiwire drawing machines can be made in different shapes, such as circles, ovals, and rectangles. The holes can also be different sizes, depending on the thickness of the wire being drawn. The die material should be stable.
• Main motor: Mainly responsible for drawing the wire, the power of the main motor will depend on the capacity and speed of the machine. For a multiwire drawing machine with a capacity of 2300-3000 kg per month, the main motor power may be around 37-45 kW.
• Transmission system: The transmission system transfers the motor's drawing force to the drawing die. It may include gearboxes, belts, pulleys, etc. The gearbox may be of the helical gearbox type with a power of 37-45 kW and a reduction ratio of 15-20.
• Cooling system: The multiwire drawing machine's cooling system may include a water tank and a cooling fan. The water tank capacity may be about 200 liters, and the cooling fan's power may be around 2-3 kW.
• Machine size: The size of the machine is about 3.0m (width) × 1.5m (depth) × 2.5m (height).

Maintenance

• Regular lubrication: Multiwire drawing machines have specific lubrication parts, such as bearings and gears. Lubricants may include grease or oil for machines. Regular addition of lubricants can reduce friction and wear, extending machine service life.
• Check for loose parts: Regularly check if parts such as screws and bolts are loose, especially those requiring higher strength and stability. Tighten any loose parts to avoid operational instability and safety hazards.
• Replace wearing parts: Wearing parts, such as drawing dies, belts, and bearings, need periodic replacement to maintain the drawing machine's stability and precision. Consider the durability and quality of the replacement parts to ensure they meet the drawing machine's requirements.
• Electrical and circuit checks: Regularly inspect the electrical connections and circuits of the multiwire drawing machine to ensure stability and reliability. Check for loose, worn, or corroded parts and timely repair or replacement as needed.
• Cleaning: Regularly clean the multiwire drawing machine to prevent dirt and impurities from clogging the parts, thereby affecting the machine's normal operation. Clean the surface and crevices of various parts while taking appropriate cleaning agents and tools.

Scenarios in the multiwire drawing machine

A multi-wire drawing machine is utilized mainly in the wire and cable industry. Different models of the machine can fulfill the requirements for various industries. Here are some application scenarios of the multi-wire drawing equipment:

• Metal Wires:

  A multi-wire drawing machine is widely used to draw metal wires, such as copper, aluminum, steel, zinc, etc., for the manufacture of cables, chains, and other metal wire products. With the help of the machine, manufacturers can control the diameter and quality of metal wires precisely, which facilitates subsequent processing and usage.

• Optical Fiber Preform:

  The drawing unit in an optical fiber production line can be regarded as a multi-wire drawing device. An optical fiber preform will be drawn into multiple strands of optical fiber. This fiber-drawing machine plays an important role in the telecommunications and internet industries.

• Alloy Wires:

  Some specialized multi-wire drawing machines can draw alloy wires made from various combinations of metals. Multi-alloy wires are used in unique applications like electronics, medical equipment, or high-performance composite materials.

• Chains:

  Multi-wire chain drawing machines are used to produce chains, including those made of metal and plastic. The machine can improve the tensile strength and load-bearing capacity of chains, making them suitable for different uses, like industrial machinery, transportation equipment, and e-bikes.

• Cables:

  Multi-wire drawing machines can be used for various cables, including power cables, communication cables, and special function cables. Utilizing the machine can help manufacturers control cable dimensions, mechanical properties, and electrical performance, which meet the requirements of different applications.

• Filaments in 3D Printing:

  Multi-wire drawing machines can produce various filaments, including those made of plastic, composite materials, and metal. Utilizing the machine helps to control the wire's diameter and dispersity precisely, which is suitable for quality 3D printing. Multi-wire drawing machines meet the increasing demand of the 3D printing market.

• Textile Fiber:

  Multi-wire drawing machines can be used to draw fibers, including natural fibers, chemical fibers, and high-performance fibers. Textile manufacturers can use the machine to control the diameter, tensile strength, and elongation of the fibers, which facilitates subsequent spinning and weaving processes.

How to choose multiwire drawing machines

There are many types of multiwire drawing machines to choose from. Here are some things to consider when selecting one:

• Quality of wires produced:

  Different machines have different capabilities and specifications, so their end products will vary. Choose one that draws the kind of wires required with the right dimensions.

• Production volume:

  Find a machine that can handle the production volumes required. Consider how often it will need to be operated and how many wires need to be drawn per week.

• Usability:

  Is the interface easy to use, or does the operator require special training? An easy-to-understand interface with good instructions is critical for drawing quality wires on the first try.

• Flexibility:

  Can the machine handle different raw materials or wire gauges? Operators may need to switch to using a different type of metal or draw smaller or larger wires at different times. Choose a machine that can adapt to changing needs.

• Space:

  Consider how much floor space is available to install the multi-wire drafter. Will it fit comfortably in the planned space, or will an expansion be required to use it?

• Maintenance requirements:

  How often will the machine need servicing? Find one that has low maintenance needs and availability of replacement parts to minimize downtime.

• Cost:

  When choosing a machine, the initial cost, ongoing energy expenses, and maintenance costs over time are all things to consider. Select one that provides the best value when all costs are considered.

Q&A

Q1 What is the difference between a multiwire drawing machine and a single-wire drawing machine?

A1 The main difference between a multiwire and a single-wire drawing machine lies in their operational capacity and design. Single-wire drawing machines are built to draw one wire at a time. In contrast, multiwire machines can draw multiple wires simultaneously, thereby improving production efficiency. Moreover, the design also differs. Single-wire machines have a straightforward pull-and-cut design. On the other hand, multiwire drawing machines often incorporate a pay-off system, drawing system, and take-up system, making them more complex but also more efficient.

Q2 What are the trends in the multi-wire drawing machine market?

A2 The multi-wire drawing machine market is witnessing several trends. One dominant trend is the push towards automation and smart manufacturing. Many new machines incorporate automated systems for quality control, monitoring, and data collection. Additionally, industry 4.0 technologies, such as IoT connectivity, are being increasingly incorporated into multi-wire drawing machines. Such technologies allow machines to be connected to a network, thus enabling remote monitoring and control.

Q3 What kinds of wires can be drawn using a multiwire wire drawing machine?

A3 Various types of wires can be drawn using a multiwire wire drawing machine. These include metal wires like copper, steel, aluminum, alloy materials, and other materials like glass, fiber, and plastic.

Q4 What is the future of multiwire drawing machines in the machinery manufacturing industry?

A4 The development of multi-wire drawing machines is likely to follow the trends of larger, faster, and more automated machinery in the manufacturing industry. As industries continue to pursue high efficiency and low production costs, multi-wire drawing machines with high production capacity will be favored. In addition, machines that are easy to operate and maintain will also be preferred. Moreover, the integration of smart technology in multi-wire drawing machines will make remote monitoring and data analysis possible.