I Description
This is a production line, comprised of pay-off stand, flattening machine, tensioning frame, 3-for-1 conductor drawing machine, length counting device, take-up stand, control system and wire pointing & stringing machine, is for drawing rectangular copper/aluminum conductors continuously.
II Main technical parameters
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Item
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Data
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Suitable raw material
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Copper / aluminum rod in reel
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Suitable reel OD
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1700mm (or customerized)
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Suitable reel weight
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Max. 3500kg
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Max. rod diameter
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16mm
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Section area of drawn rectangular conductor
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5-120mm²
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Conductor drawing-out speed
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120m/min (continuously adjustable)
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Main driving power of flattening section
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37kW (inverter control)
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Main driving power of drawing section
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75kW (inverter control)
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Drawing dies
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3
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Drawing ratio of each die
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18~22%
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Drawing wheel diameter
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Ø700mm
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Taking-up machine
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PN800
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III Line buildup & details
3.1 Pay-off stand
- Passive driven
- Suitable copper/aluminum rod reel OD: 1700mm
- Suitable rod reel weight: 3500kg
3.2 Flattening machine
- Active driven, motor power 37kW, inverter control
- Rod positioning mould: carbide alloy, diameter 20mm
- Flattening roller diameter: 350mm
- Flattening roller material: 20Cr, tempered & hardened
- Flattening speed: 62m/min
3.3 Tensioning frame: for balancing wire between flattening machine and the later drawing machine.
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3.4 Main drawing machine
- Drawing wheel numbers: 3 (excluding dividing wheel)
- Drawing wheel diameter: 700mm
- Drawing wheel material:45Cr forged material, surface quenched
- Main driving motor power: 75kW, inverter control
- Max. drawing dies: 3
- Mechanical gear ratio of each die: 1:1.15
- Recommended elongation percentage: 18~22%
- Max. drawing speed: 120m/min
3.5 Length counting device
3.6 Take-up stand
- Code: PN800
- Take-up tension is adjustable on real time
- Take-up motor: moment motor
- Take-up disk outer diameter: 800mm
- Conductor ordering method: screw rod
- Conductor ordering stroke: 50mm
- Take-up disk center hole: Ø80mm or as required
3.7 Electric control system
- Flattening machine, drawing machine and take-up stand can work separately or be linked together.
- There is length alarming function alarming whenever reaching pre-set length
3.8 Wire pointing & stringing machine
- Separate machine for pointing & stringing wires into drawing dies
- Pointing range: Ø5- Ø14mm
- Min. thickness: 1mm
- Rotation speed: 40r/min
- Roller diameter: Ø150mm
- Driving motor power: 5.5kW
IV Main configuration
- Main motors: Siemens brand from joint venture in China
- Inverter: Mitsubishi from Japan
- Reducers: Tailong (No.1 brand from China)
- Main electric components: Schneider from joint venture in China
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