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PP Strapping Production Line – No Breaking

Categories PP Strap Production Line
Place of Origin: CHINA
Draw ratio range: 1.5-12x
MOQ: 1SET
Plasticizing uniformity: ≥99%
Payment Terms: T/T
Temp. control accuracy: ±1°C
Supply Ability: 1 SET
Screw material: 38CrMoAlA
Strap thickness: 0.3-1.0 mm
Delivery Time: 90DAYS
Surface hardness: HRC58-60
Breakage risk: None
Packaging Details: FCL
Main motor: 55 KW
Strap width: 5-19 mm
Brand Name: CHUQI
Breaking strength: High (200kg+)
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PP Strapping Production Line – No Breaking

PP Strapping Production Line – No Breaking
Product Overview

This production line produces PP strapping with extremely high tensile strength and breakage resistance, fundamentally eliminating the problem of strap breakage during strapping. The equipment features a φ120mm 38CrMoAlA alloy steel screw with a 30:1 L/D ratio, paired with a 55KW high-efficiency main motor, achieving a maximum output of 220-240 kg/h.

Through a multi-stage stretching process with an adjustable draw ratio of 1.5-12 times, PP molecular chains become highly oriented along the stretching direction, increasing longitudinal tensile strength several times over its unoriented state. The extruder's 9-zone independent temperature control (±1°C accuracy) ensures uniform melt plasticization, eliminating stress concentration points.

The finished strapping's breaking strength far exceeds industry standards, suitable for heavy-duty packaging and fully automatic high-speed strapping machines - end users no longer complain about breakage.

Technical Specifications
ParameterSpecification
Maximum Output220 - 240 kg/h
Line Speed0 - 200 m/min
Screw Diameterφ120 mm
L/D Ratio30:1
Screw Material38CrMoAlA Alloy Steel
Surface HardnessHRC 58-60
Plasticizing Uniformity≥99%
Main Motor Power55 KW
Draw Ratio Range1.5 - 12 : 1
Temperature Control Accuracy±1°C
Strap Width Range5 - 19 mm
Strap Thickness Range0.3 - 1.0 mm
Total Installed Power~235 KW
Key Features
  • Breakage-free guarantee: High tensile strength ensures no sudden breakage during strapping
  • High molecular orientation: 1.5-12x draw ratio aligns PP molecular chains along stress direction
  • Premium screw material: 38CrMoAlA alloy steel with nitriding, HRC58-60 hardness, ≥99% plasticizing uniformity
  • Precision temperature control: 9-zone independent control with ±1°C accuracy eliminates local overheating
  • Multi-stage stretching: Pre-stretching + main stretching for full molecular orientation
  • Low internal stress: Multi-stage heat setting eliminates stress-induced brittleness
  • High strength output: Standard 12mm*0.6mm at 8-10x draw ratio achieves 200kg+ breaking force
  • Fully automatic ready: High-strength straps run continuously without breakage
  • Reduced complaints: No breakage means no downtime and zero end-user complaints
  • Heavy-duty suitable: Strength sufficient for building materials, metals, heavy machinery
Frequently Asked Questions
What causes strapping breakage?
Breakage typically stems from three causes: incomplete plasticization creating stress concentration points; insufficient molecular orientation leading to low tensile strength; and excessive internal stress causing brittle fracture. This line solves all three through precision temperature control, high draw ratio, and multi-stage heat setting.
What breaking strength can be achieved?
For standard 12mm*0.6mm strapping at 8-10x draw ratio, breaking force exceeds 200kg. Higher draw ratios (10-12x) further increase strength, balancing with flexibility requirements.
What does breakage-free mean for automatic strapping machines?
Automatic strapping machines run continuously at high speed. A single break can stop the entire packaging line, causing minutes or more of production interruption. Breakage-free means continuous operation, unaffected packaging efficiency, and zero customer complaints.
China PP Strapping Production Line – No Breaking factory
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