Hangzhou Choose Technology Co., Ltd.
One stop service of wire and cable production line
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Copper rod breakdown machine is a vital piece of equipment used in the wire and cable manufacturing industry to transform thick copper rods into thinner wires. Here's a detailed overview of its functions and operation:
Feeding: Initially, copper rods are fed into the machine. These rods typically originate from processes such as casting or extrusion.
Drawing Dies: The copper rods pass through a series of drawing dies. These dies are made of hardened steel or tungsten carbide and have gradually decreasing diameters along the length of the machine. As the rods are pulled through these dies, they undergo substantial elongation and diameter reduction.
Drawing Process: The process involves applying tension to the copper rod while simultaneously pulling it through the drawing dies. This action reduces the diameter of the rod while increasing its length, resulting in a thinner wire.
Cooling and Lubrication: To prevent overheating and reduce friction during the drawing process, the copper rod and drawing dies may be cooled and lubricated. Cooling can be accomplished through water or air cooling systems, while lubrication helps in reducing wear on the dies and improving the quality of the drawn wire.
Multiple Passes: Achieving the desired wire diameter often requires multiple passes through different sets of drawing dies. Each pass employs dies with slightly smaller diameters, allowing for precise control over the wire dimensions.
Quality Control: Throughout the process, quality control measures are implemented to ensure the wire meets specified standards for diameter, tensile strength, surface finish, and other properties.
Final Product: The output of the copper rod breakdown machine is a copper wire of the desired diameter. This wire can be further processed, such as annealing to relieve stresses, or it can be wound onto spools for storage and distribution.
Copper rod breakdown machines are essential in producing various types of wires used in electrical wiring, telecommunications, electronics, and construction industries. Their efficiency and accuracy in reducing copper rod diameters play a significant role in determining the quality and reliability of the final wire products.
| Inlet wire | Φ8.0mm |
| Outlet wire | Φ1.2mm-Φ3.5mm |
| Max speed of drawing | 1500m/min |
| Drawing block size | Φ450mm |
| Max number of passes | 13 |
| Capacity of the accumulator | 7m |
| Dual-reel spooling bobbin size | PND500-PND630 |
| Main motor power | 250KW |
| Power of motor for constant speed wheel | 75KW |
| Power of motor for dual-spool take up | 22KW |
| Coiling machine | Φ800mm |
| Power of motor for coiling machine | 15KW |
| Anneal unit power | 60V, 5000A (DC) |
3. Brier introduction:
3.1 Payoff stand:
Type: cantilever type
Payoff stand consists of column, cantilever and steering roller.
Height of the column is 5000mm or so. The two aluminum reels can achieve continuous pay off.
3.2 Main drawing machine:
Type: slip type. 13-die copper wire drawing machine with drawing blocks of the same diameter
The machine consists of trough for cooling and circulation of drawing emulsion, gearbox, lubrication system, constant speed wheel, main motor and the motor for the constant speed wheel.
Four clip-and-run switches for die stringing by clip-and-run operation. Device to prevent the drawing block and drawing die holder extend identical distance from the body of gearbox.
Drawing blocks adopt steel wheels. Its surface is covered by tungsten carbide to prolong its use life.
3.3 Accumulator:
Capacity of the accumulator: 7m
Max. Tension: 138N
Tension is regulated by air cylinder pressure.
3.4 Annealing device:
Type: horizontal DC annealing, speed tracking automatically
Diameter of annealing inlet wire: Φ1.2mm-Φ3.5mm
Max linear speed of annealing: 25m/s
3.5 Φ500-Φ630 Dual-spool take-up:
Spool size: PND500~PND630
Max. take up speed: 25m/s
Take-up motor: 22KW (two, AC)
3.6 Coiling machine (can be used for soft and hard wire)
Applicable wire diameter: Φ1.5mm-Φ3.5mm
The speed: 20m/s
The coil diameter: Φ800mm
Loading: 1400kgs
Motor power: 15KW (AC)
The size of the coil basket: Φ600*Φ110*1300mm.
4. FAQ:
Dear customers, there are several models for the coppr rod breakdown machine. In order to recommend the suitabe models, we'd like to learn some information:
1. Inlet and outlet wire diameter
2. Whether need online annealer
3. Take up method: Spool bobbin or coiler?
4. Dimension drawing of spool bobbin/wire basket
Best regards
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