Flat 17-18, Zoina Hi-Tech Trunk Valley, Town Xiqiao, District Nanhai, Foshan, Guangdong.

Coating Extruder Production Line Technical Information

I. Core Equipment Positioning​​

The HPJX-CE-01 is a high-efficiency extrusion system designed for ​​precision coating of multiple substrates​​, achieving breakthrough integration of ​​10+ polymers​​ and ​​6 substrate types​​ for applications in cable reinforcement, building profiles, and automotive lightweighting. Core advantages:

  • ​​Ultra-high-speed coating​​: ​​80 m/min​​ (industry average ≤30 m/min)
  • ​​Ultra-thin layer control​​: ​​0.1 mm precision​​ → material cost savings ​​↑40%​​
  • ​​Smart substrate adaptation​​: Seamless switching between metal/wood/glass fiber.

​​II. Modular Technical System​​

​​1. Extrusion System: Multi-Material Compatibility​​

​​Parameter​​​​Technical Solution​​
​​Screw Grading​​– ​​20 mm screw​​ (5.5 kW): TPU thin-layer coating (0.1–0.5 mm)
 – ​​80 mm screw​​ (45 kW): PC thick-layer coating (3–5 mm, adhesion ​​>50 N/cm​​)
​​Temp Control​​5-zone PID (±1°C):
 – Low-temp zone (170–190°C): Prevents TPU yellowing
 – High-temp zone (280–300°C): Enhances PC adhesion
​​L/D Ratio​​30:1 high compression → ​​↑35% melt penetration​​ for PA-coated metal

​​2. Coating Die & Substrate Treatment​​

  • ​​Multi-channel co-extrusion​​:
    • Dual-layer coating: Primer (↑ adhesion) + functional layer (UV/flammability resistance)
    • Direct coating on wood (moisture ​​≤8%​​) → prevents bubbling.
  • ​​Substrate pretreatment​​:
    • Metal plasma cleaning (dyne level ​​>54 mN/m​​)
    • Glass fiber activation coating → ↑ polymer bonding.

​​3. Cooling & Calibration System​​

​​Component​​​​Technical Solution​​
​​Quenching​​Spray water cooling (5–10°C): Rapid solidification of 0.1 mm layers (anti-sag)
​​Slow Cooling​​Air-cooled tunnel (20–25°C): Eliminates internal stress in thick coatings (>3 mm)
​​Online QC​​Laser thickness gauge (​​±0.02 mm​​) + IR thermal imager (temperature deviation alarm)

​​4. Downstream Processing​​

​​Component​​​​Technical Solution​​
​​Haul-off​​– Caterpillar type (max. 15 kN): Rigid traction for steel-core coating
 – Roller type (PID tension control): Prevents wood substrate damage
​​Cutting​​– Planetary cutting: For coated steel pipes (​​Φ>50 mm​​)
 – Chip-free cutting: Electronic cables (cutting surface ​​Ra≤1.6 μm​​)
​​Winding​​– Auto-winding: Tension fluctuation ​​<3%​​ (cables/profiles)
 – Fixed-length cutting: Precision ​​±0.5 m​​ (engineering parts)

​​III. Typical Applications & Processes​​

​​Application​​​​Product Case​​​​Process Highlights​​
​​Cable Reinforcement​​TPU-coated optical fiber (0.2 mm)80 m/min + water quenching
​​Building Profiles​​PVC-coated aluminum window frame (1.5 mm)Plasma cleaning + primer co-extrusion
​​Auto Lightweighting​​PA-coated Mg alloy steering framePre-heated to 120°C + high-pressure penetration coating
​​Medical Devices​​PC-coated surgical scalpel handleGMP cleanroom environment + sterile water cooling

​​IV. Smart Control System​​

  • ​​Dynamic Tension Control​​:
    Substrate speed-extrusion sync (​​fluctuation <0.5%​​) + automatic eccentricity correction (​​±0.05 mm​​).
  • ​​Cloud Recipe Platform​​:
    Stores ​​100+ process parameters​​ (e.g., temp curves for copper/wood) + real-time fault diagnosis (clogging/temperature alerts).

​​V. Technical Competitiveness​​

​​Extreme Coating Capabilities​​

​​Parameter​​​​Range​​
Thickness0.1 mm (TPU cables) → 5 mm (steel pipes)
Width10 mm (electronic wires) → 200 mm (profiles)

​​Full-Spectrum Substrate Compatibility​​

  • Rigid substrates: Steel/Al alloy (tensile strength ​​>300 MPa​​)
  • Flexible substrates: Glass fiber/wood (self-adaptive bending modulus)

​​Energy Optimization​​

  • Electromagnetic pre-heating: ​​↓40% energy​​ vs. resistive heating
  • Waste heat recovery: Cuts cooling energy ​​↓30%​​

​​Target Users​​

Cable manufacturers (UL/CE certified), premium window producers, automotive part suppliers, medical device processors.

​​Upgrade Options​​

  • Ultra-clean module (ISO Class 7 medical coating)
  • Laser surface texturing (wood/leather grain transfer)

​​Certification Standards​​

  • Adhesion: ASTM D903 peel strength ​​>15 N/cm​​
  • Thickness tolerance: ISO 3302-1 Class E
  • High-speed stability: ​​80 m/min​​ continuous operation ​​500 h​​ zero fluctuation

 

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Flat 17-18, Zoina Hi-Tech

Trunk Valley, Town Xiqiao,

District Nanhai, Foshan,

Guangdong

 

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