High Speed SJ-70X25 N12 Nylon Coating Line Exturder for Galvanized Wire

1. Application: 

• applicable to the jacket/sheath extrusion of power wires, computer wires, data wires and high-frequency cables etc.

2. Main technical parameter:

• Wire specification – galvanized wire 2.5mm OD
• Black Nylon coating requirement - 0.50mm thickness of Nylon Coating is required.
• Drum size for finished product. – 1000m
• Option 1 - galvanized wire with N12 Nylon coating
• Option 2 - G304 stainless steel wire with N12 Nylon coating
• Option 3 - G316 stainless steel wire with N12 Nylon coating

3. Main Component:

• Coiling type pay-off rack
• Input wire straigtner 
• SJ-70×25 extruder 
• U7 self-centering extrusion head
• Automatic hopper and drying system
• 1.5 meters front movable stainless steel sink
• 12 meters fixed Stainless steel cooling water sink
• Horizontal wire accumulator
• Independent blow dryer 
• Φ500mm double wheel capstan machine
• Φ1000mm single reel type take-up witch traverse rack
• Electrical Control System

4. SJ70/25 Nylon extruder:

• Screw rod diameter: Φ 70mm
• L/D ratio of screw: 25:1
• Screw type: High-efficiency nylon special customized screw,
• Screw speed: 90r/min
• Extrusion capacity: 180kg/h;
• Main motor: 37kw AC motor, controlled by frequency control system
• Screw material: 38CrMoALA, surface nitriding treatment, nitriding depth 0.5-0.8mm, surface hardness ≥ HV840
•  Barrel material: 38CrMoALA, surface nitriding treatment, nitriding depth 0.5-0.8mm, surface hardness ≥ HV1000

5. Screw rod cooling: water cooling

• The temperature controller adopts intelligent electronic automatically adjusted between 0-399 ℃, and the temperature control accuracy is ± 2 ℃.display calculus temperature controller, the temperature can be Number of temperature control sections: head section 2 section, eye mold 1 section, head lock 1 section, barrel 6 section, cast aluminum heating ring and five high-power DF series axial flow cooling fans operate alternately
• The fuselage is electrically heated, and the cast aluminum heating ring has good heat preservation performance
• Head clamping: three-petal huff clamping, easy to operate
• Gear box: special gear box for high torque hard tooth surface grinding is adopted. The gears are all 40Cr quenched and tempered. The surface hardness of the tooth surface is HRC50-55 after high-frequency quenching and tempering. The shaft is 45 # steel quenched and tempered. The box material is cast iron. The gears are helical tooth surface grinding. The gearbox and the screw are connected by splines, and the one-way roller thrust bearing.

6. What service of Capstian can do for you?

1. Customized machine line design
2. Advanced technology for production process support
3. High quality machine manufacture with good quality raw material
4. Comprehensive service system to assure production line running smoothly
5. Regular visit of running production line in clients’ factory
6. 24 hours online service to solve all your questions