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Packaging Industry Precision In Quadruplicate 1-Out-4 PP Extrusion System

Packaging Industry Precision In Quadruplicate 1-Out-4 PP Extrusion System

Packaging Industry Precision In Quadruplicate 1-Out-4 PP Extrusion System
Packaging Industry Precision In Quadruplicate 1-Out-4 PP Extrusion System
Categories PP Strapping Band Production Line
Brand Name: CHUQI
Place of Origin: CHINA
MOQ: 1SET
Payment Terms: T/T
Supply Ability: 100SETS
Delivery Time: 60DAYS
Packaging Details: WOODEN BOX
Model Number: CQ-SPP75-4
Precision Core: CFD-Optimized Integral Flow Diverging Die Head
Key Tolerance: Inter-Strand Width Difference ≤±0.05mm
Flow Channel Quality: Mirror-Finish Polish (Ra≤0.2μm)
Homogenization Design: Internal Multi-Stage Buffering & Adjustable Resistance
Process Foundation: ±1°C Precision Temperature Control
Value Promise: Clone-Level Consistency
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Jiaxing Chuanqi Machinery Equipment Co., Ltd.
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Packaging Industry Precision In Quadruplicate 1-Out-4 PP Extrusion System

Precision in Quadruplicate: The 1-Out-4 PP Extrusion System
Product Introduction
Producing four straps simultaneously presents less challenge than ensuring they maintain precision and consistency as perfect replicas. Our system places precision at the core of its design. The precision-machined, integrally formed flow diverging die head features internal channels optimized through computational fluid dynamics simulation, ensuring equal pressure and flow loss during melt distribution to eliminate uneven feeding at the source. Combined with the extruder's stable melt delivery (melt pump optional) and full-line closed-loop temperature control, the system achieves highly uniform width, thickness, weight, and mechanical properties across all four strands (tolerance ≤ ±0.05mm). This represents not just technological excellence but a firm commitment to upholding your brand's quality reputation.
Main Specifications
Die Head Precision Assurance: The flow diverging die head is constructed from high-quality die steel with CNC precision machining; flow channel surfaces are polished to mirror finish to reduce melt stagnation and degradation. Key dimensional tolerances exceed national standards.
Homogenization Design: The die head incorporates multi-stage buffer and distribution chambers to effectively homogenize melt pressure, ensuring consistent melt state (viscosity, temperature) at all four die lips.
Process Stability: The extruder's 7-zone temperature control with ±1°C accuracy provides the foundation for uniform and stable melt. Full-line speed synchronization control prevents thickness variations caused by haul-off differences.
Inspection & Feedback: Optional online diameter or thickness gauges enable real-time monitoring of all four strands; data supports production quality traceability and process fine-tuning.
Technical Parameters
Parameter CategoryParameter ItemSpecification / Description
Die Head PrecisionFlow Channel Machining PrecisionRa ≤ 0.2 μm
Die Head PrecisionOutlet Spacing Error≤ ±0.03 mm
Product ConsistencyInter-Strand Width Tolerance≤ ±0.05 mm
Product ConsistencyInter-Strand Thickness Tolerance≤ ±0.01 mm (under same process)
Product ConsistencyWeight ConsistencyInter-Strand Variation ≤ ±1.5%
Process StabilityExtrusion Melt Pressure Fluctuation≤ ±1.5% (at steady state)
Process StabilityTemperature Control Accuracy±1.0°C
Quality TargetCpK Value (Width)≥ 1.33 (Target)
Frequently Asked Questions
How do you ensure the four straps have exactly the same thickness? Won't the center strap be thicker and the sides thinner due to flow division?
This is precisely the core technology of our die head design. Traditional "T-type" or "coat-hanger" flow distribution can indeed cause uneven flow between the center and ends. We employ a "heart-shaped" or "spiral" flow distribution structure optimized via CFD (Computational Fluid Dynamics), combined with internal flow resistance adjustment devices (such as chokes or adjustment bolts) that allow fine-tuning of each flow channel's resistance. During equipment commissioning, we calibrate the flow using standard material, adjusting these devices to ensure completely equal output speeds from all four outlets, fundamentally solving thickness unevenness.
Will the die head precision degrade over long-term use, leading to poor product consistency?
The long-term precision of a die head depends on material, wear, and maintenance. Our die head uses high-hardness, corrosion-resistant die steel and undergoes heat treatment for exceptional wear resistance. Under normal use, precision can be maintained for years. We recommend regular preventive maintenance, including cleaning the die lips and inspecting flow channel surfaces. We also offer die head refurbishment and re-polishing services. Consistency during production relies more on stable process control (temperature, speed), which our system strongly guarantees.
Product Tags:

PP extrusion system 1-out-4

  

Packaging PP strapping band production line

  

extrusion system for PP strapping

  
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Packaging Industry Precision In Quadruplicate 1-Out-4 PP Extrusion System

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