Introduction to Bare Conductor Production Equipment

Bare conductors, which include various types such as aluminum conductor steel-reinforced (ACSR), all-aluminum alloy conductor (AAAC), and aluminum conductor alloy reinforced (ACAR), are crucial components in the electrical transmission and distribution industry. The manufacturing of these conductors requires specialized equipment to ensure high quality, efficiency, and compliance with industry standards. This document provides an overview of the production equipment used in manufacturing bare conductors, including specific models, technical details, and indicative pricing.

Key Production Equipment for Bare Conductors

1. Rod Breakdown Machine (RBD)

Rod breakdown machines are used to reduce the diameter of aluminum or copper rods to the desired size for further processing into conductors.

  • Model: Niehoff MM85
    • Specifications:
      • Input Diameter: 9.5 mm
      • Output Diameter: 1.8 – 3.5 mm
      • Speed: Up to 30 m/s
      • Power: 250 kW
    • Features: High efficiency, continuous operation, advanced cooling system.
    • Price: Approximately $200,000 – $300,000

2. Stranding Machine

Stranding machines are used to twist multiple wires together to form a single conductor. This process is crucial for ensuring the mechanical and electrical properties of the conductor.

  • Model: Bow Technology S-400
    • Specifications:
      • Number of Wires: Up to 91
      • Stranding Pitch: 20 – 100 mm
      • Speed: Up to 1000 rpm
      • Power: 150 kW
    • Features: High-speed operation, precise control, easy maintenance.
    • Price: Approximately $150,000 – $250,000

3. Extrusion Line

Extrusion lines are used for applying insulating materials and sheaths to the conductor. However, in the case of bare conductors, this equipment is used primarily for aluminum cladding or coating processes.

  • Model: Troester TX-120
    • Specifications:
      • Extrusion Capacity: 500 kg/h
      • Maximum Diameter: 50 mm
      • Heating Zones: 4
      • Cooling Zones: 2
    • Features: High precision, consistent coating thickness, energy-efficient.
    • Price: Approximately $500,000 – $700,000

4. Annealing Furnace

Annealing furnaces are used to heat treat the wires, relieving internal stresses and enhancing ductility and conductivity.

  • Model: Habasit HA-500
    • Specifications:
      • Maximum Temperature: 600°C
      • Heating Capacity: 400 kW
      • Chamber Size: 3 x 2 x 1.5 m
    • Features: Uniform temperature distribution, programmable controls, safety features.
    • Price: Approximately $100,000 – $150,000

5. Continuous Casting and Rolling Line

This equipment is used for the continuous casting and rolling of aluminum rods from molten aluminum, which is the starting material for making conductors.

  • Model: Southwire SCR-7000
    • Specifications:
      • Casting Speed: 5 – 15 m/min
      • Rolling Diameter: 9.5 mm
      • Production Capacity: 7,000 tons/year
      • Power: 500 kW
    • Features: High productivity, energy-efficient, integrated control system.
    • Price: Approximately $1,000,000 – $1,500,000


The production of bare conductors requires a range of specialized equipment, each contributing to different stages of the manufacturing process. From rod breakdown machines to continuous casting lines, each piece of equipment plays a crucial role in ensuring the quality and efficiency of the final product. The models and specifications provided here represent some of the state-of-the-art options available in the market, reflecting the latest technological advancements in the industry.

For more detailed information and the latest pricing, it is recommended to consult directly with equipment manufacturers and suppliers. Some prominent suppliers in this field include Niehoff, Bow Technology, Troester, Habasit, and Southwire. These companies offer comprehensive solutions and support to meet the specific needs of bare conductor production.