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Changzhou Kunbo Electromechanical Technology Co., Ltd.
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Photovoltaic Wire Tandem Extruder with One-Step Extrusion and 200m/min Speed for High Efficiency

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Photovoltaic Wire Tandem Extruder with One-Step Extrusion and 200m/min Speed for High Efficiency

Extrusion capacity : 240kg/h 180kg/h

Keyword : Tandem Extruder

Finished outer diameter : φ3mm-φ10.0mm

screw L/D : 25:1

Insulation/sheath material : LSOH/XLPE

Design speed : Max 250m/min

Application : extrusion of photovoltaic cable insulation/sheath wire.

Name : Photovoltaic Wire Tandem Extruder with One-Step Extrusion and 200m/min Speed for High Efficiency

Place of Origin : China

Brand Name : Kunbo

MOQ : 1

Packaging Details : Different packaging methods are adopted according to different modes of transport.

Payment Terms : L/C,T/T,D/P,D/A

Applicable conductor : φ1.8mm-φ7.0mm

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Photovoltaic Wire Tandem Extruder with One-Step Extrusion and 200m/min Speed for High Efficiency
Product Overview

PV Cable is a special connection cable in solar power generation systems, used for series connection between components and power transmission from components to inverter. Its core value lies in:

  • Weather resistance: Long-term exposure to ultraviolet (UV), high temperature (-40℃-120℃), humidity and chemical corrosion environment
  • Safety: Flame retardant, low smoke zero halogen (LSZH), reducing fire risks
  • Electrical stability: Low resistance design, reducing energy loss and improving system efficiency
Applications

Used for one-time extrusion of photovoltaic cable insulation and sheath, meeting the requirements of TUV and UL certification.

Main Process Parameters
Applicable conductor φ1.8mm-φ7.0mm
Finished outer diameter φ3mm-φ10.0mm
Maximum line speed Max 250m/min
Insulation/sheath material LSOH/XLPE
Extrusion capacity (80mm auxiliary machine) 180kg/h (open head, low smoke halogen-free irradiation cross-linked material), screw L/D = 25:1
Extrusion capacity (90mm main machine) 240kg/h (open head, low smoke halogen-free irradiation cross-linked material), screw L/D = 25:1
Main Components of a Wire Extrusion Line
1. Pay-off Stand

Holds and unwinds the bare conductor (e.g., copper or aluminum wire) for feeding into the extrusion process.

2. Straightener (optional)

Ensures the wire is straightened before entering the extruder for uniform insulation.

3. Extruder

The core component of the line. Melts and applies the insulation material (like PVC, PE, XLPE, etc.) uniformly around the conductor. Includes barrel, screw, and die head systems for precise material flow and coating.

4. Crosshead Die

Shapes and centers the melted insulation material around the wire. Ensures consistent wall thickness and concentricity.

5. Cooling Trough (Water Trough)

Rapidly cools the extruded wire to solidify the insulation. Typically uses water or air cooling systems.

6. Diameter Gauge (Laser Gauge)

Measures the diameter of the insulated wire in real time. Helps maintain dimensional accuracy and quality control.

7. Spark Tester

Detects insulation faults or pinholes by applying a high-voltage electric test.

8. Capstan (Haul-off)

Pulls the wire through the extrusion line at a consistent speed. Ensures proper tension and synchronization.

9. Take-up Machine

Collects the finished insulated wire onto a spool or drum for storage or further processing.


Product Tags:

200m/min wire extrusion line

      

200m/min extrusion production line

      

4mm wire extrusion line

      
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