High-Performance Production Catalog
Precision Extrusion Machinery & Integrated Downstream Units
Explore our industrial-grade extrusion platforms, engineered for exacting micro-bore medical fluid sets, specialized automotive conduits, and continuous downstream finishing operations.
Custom PC,PMMA,PS Lampshade Extrusion Line Factory, Products
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China QYP Series Belt Puller Manufacturer, Factory
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Custom TPV,PVC Automobile Sealing Strip Extrusion Line Manufacturers, Product
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China Precision Small Diameter Tube/Pipe Extrusion Line Manufacturers, Factory
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China SC Series Follow-Up Saw Blade Cutter Factories, Product
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Custom Braided Reinforced Composite Hose/Tube Extrusion Line Product, Products
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China PU (Polyurethane) Precision Tube Extrusion Line Manufacturer, Factory
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OD & Wall Dimensional Stability
300 m/min
Maximum Continuous Production Speed
16,000 m²
Specialized Nantong Assembly Facility
100% Closed-Loop
Laser Feedback Puller Synchronization
Industry White Paper: Technical Overview
Global Medical Infusion Tubing Dynamics & The Evolution of Chinese Extrusion Engineering
In modern intensive care units, oncology infusion clinics, and general hospital wards, the single-use intravenous (IV) infusion set serves as the primary conduit for life-sustaining therapeutic fluids, parenteral nutrition, and blood products. Because pharmaceutical solutions vary drastically in molecular weight, lipophilicity, and sensitivity to ultraviolet and visible light, the mechanical and rheological demands placed upon the infusion tube have grown exponentially. Today, the global disposable medical tubing market demands extrusion lines capable of running at ultra-high linear speeds (up to 300 meters per minute) while holding strict outer diameter (OD) and wall concentricity tolerances within ±0.01 mm.
Historically, Tier-1 medical device corporations relied almost exclusively on Western European machinery to achieve this level of repeatability. However, over the past twenty-five years, Jiangsu Baodie Automation Equipment Co., Ltd. (BAOD EXTRUSION)—originating with deep Taiwanese mechanical foundations dating back to the KINGSWEL GROUP in the 1980s—has fundamentally re-engineered the precision medical extrusion paradigm. Combining high-grade Japanese alloy steels, proprietary screw flight geometries, zero-backlash servomotors, and multi-axis laser gauging, China-manufactured infusion tube extrusion lines now compete head-to-head with top-tier international machinery at a superior total cost of ownership (TCO).
Furthermore, stringent global regulatory frameworks, including the European Union Medical Device Regulation (EU MDR 2017/745) and the United States FDA 21 CFR Part 820, have accelerated the phase-out of traditional plasticizers such as di(2-ethylhexyl) phthalate (DEHP). This chemical shift necessitates the processing of alternative compounding resins—such as non-DEHP plasticized PVC, Thermoplastic Polyurethane (TPU), Thermoplastic Elastomers (TPE), and multi-layer polyolefin co-extrusions. Extrusion lines must now deliver exact thermal control, non-pulsating melt flows, and cleanroom compatibility to avoid degradation, melt fracture, or erratic shrinkage during continuous 24/7 manufacturing operations.
| Performance Characteristic | Legacy PVC Infusion Extrusion Line | BAOD High-Speed Cleanroom Infusion Line | Clinical & Manufacturing Benefit |
|---|---|---|---|
| Resin Compatibility | Standard Plasticized PVC only | Non-DEHP PVC, Medical TPU, TPE, PP/PE Co-ex | Eliminates phthalate leaching; broad pharmaceutical compatibility |
| Linear Production Velocity | 50 – 90 m/min | 150 – 300 m/min continuous | 200%–300% throughput increase per square meter of cleanroom |
| OD / ID Dimensional Drift | ±0.05 mm to ±0.08 mm | ±0.01 mm (Closed-loop laser auto-compensation) | Automated solvent bonding; zero leakages at lure lock interfaces |
| Cleanroom Environmental Rating | Standard industrial frame; unsealed drive | 304/316L Stainless Steel chassis; ISO Class 7/8 compliant | Zero airborne particulate emission; wipe-down chemical resistance |
| Downstream Integration | Manual coiling or rudimentary flying shear | Fully servo-synchronized dual coiler or rotary cutter | Tension-controlled packaging preventing tube ovalization/kinking |
Engineering Deep Dive
Modular Engineering Architecture of BAOD Infusion Tube Lines
Every sub-assembly is built under rigorous metallurgical and automation standards to ensure steady laminar flow, instantaneous heat evacuation, and flawless surface finish.
Specialized Extruder & Melt Conditioning
Equipped with an optimal 28:1 or 30:1 L/D ratio single-screw barrel machined from nitrided 38CrMoAlA or premium bimetallic alloys. The custom barrier flight design guarantees homogeneous plasticization without thermal degradation of shear-sensitive medical compounds.
- Omron/Siemens dual-loop PID solid-state relay temperature controllers
- High-precision ceramic heater bands with silent copper-fin air cooling
- Integrated melt pressure transducers with automated safety overpressure interlocks
Micro-Co-Extrusion Crosshead & Tooling
Manufactured from imported German DIN 1.2083 ESR stainless steel, vacuum-hardened to HRC 52–55 and mirror-polished to Ra < 0.02 μm. Spiral mandrel and crosshead distributors eliminate weld lines and dead zones, enabling rapid color purge and uniform multi-layer wall distribution.
- Single-layer, double-layer (anti-absorption/light-shielding), and triple-layer formats
- Centering adjustment screws with high-tensile copper-alloy anti-seize seating
- Precision micro-adjustable pin and die components calibrated to micron targets
Dual-Stage Vacuum Sizing & Vortex Cooling
Fabricated entirely from electropolished SUS304/SUS316L stainless steel. The primary vacuum calibration stage utilizes high-accuracy water rings and vortex spray cooling to prevent tube ovalization under high-speed puller forces.
- Submerged spray arrays delivering 360° uniform thermal quench
- Independent high-stability inverter-driven vacuum pumps
- Digital temperature and water level telemetry with auto-drain safety cutoffs
Closed-Loop Multi-Axis Laser Feedback Puller
Our servo-driven caterpillar puller utilizes ultra-soft, wear-resistant medical silicone belts to prevent outer surface marring or deformation. Real-time feedback from dual-axis or four-axis laser diameter gauges auto-modulates puller speed.
- Response latency under 5 milliseconds via high-speed EtherCAT bus
- Dynamic compensation for thermal drift, polymer batch viscosity variations, and ambient shifts
- Direct digital display of instantaneous CPK and statistical quality metrics
Automated Dual-Spool Precision Coiler
Engineered for continuous production without slowing or stopping the extrusion line. The system manages constant-tension traversing and features automatic pneumatic spool-switching and pneumatic cut-and-clamp mechanisms.
- Servo ball-screw traversing system ensuring clean lay-flat spooling
- Adjustable magnetic powder or servo dancer tension control to eliminate tube stretching
- Programmable meter counting with automatic defect mark skip and reject triggering
Industry 4.0 Central SCADA Control
Centralized industrial touch screen featuring intuitive graphical plant schematics. Supports multi-recipe storage, real-time diagnostic reporting, cloud IoT remote connectivity, and complete data integrity protocols.
- Full compliance with 21 CFR Part 11 audit trails and user access levels
- OPC-UA and Ethernet/IP protocols for seamless integration with cleanroom MES
- Automated batch run documentation with historical trend analysis and alarm logging
Clinical Implementations
Localized Application Scenarios in Modern Healthcare Manufacturing
Infusion sets have diverged into highly specialized clinical subsets. BAOD extrusion platforms offer modular crosshead tooling and multi-extruder configurations tailored to specific clinical protocols.
1. Standard Gravity Infusion Sets (Non-DEHP PVC / ATBC)
Widely deployed in outpatient and inpatient general wards. The extrusion line is tuned for maximum operational economy, operating continuously at speeds between 180 and 260 m/min with minimal maintenance.
- Raw Material: PVC compounded with bio-compatible plasticizers (TOTM, DINCH, or ATBC)
- Key Parameter: Consistent outer diameter ensuring rapid, high-speed automated solvent assembly into spikes and drip chambers
- Eliminates traditional tackiness, preventing clinging during cleanroom bag-packaging
2. Multi-Layer Light-Resistant Oncology Infusion Tubing
Critical for delivering chemotherapeutic agents (e.g., Paclitaxel, Cisplatin) and photosensitive vitamins that break down under ambient hospital lighting.
- Structure: Two-layer or three-layer co-extrusion (Amber/Black outer barrier layer; pure virgin inner layer)
- Optical Performance: Complete UV cut-off between 290 nm and 450 nm wavelength
- Assurance: Strict concentricity prevents the colored outer pigment from migrating into the inner drug-contact lumen
3. Drug-Non-Adsorption TPE/TPU Infusion Sets
Lipophilic pharmaceutical formulations adsorb rapidly onto standard PVC walls, leading to dangerous clinical under-dosing. Our specialized TPE/TPU lines process olefinic block copolymers without surface delamination.
- Inner contact surface: Modified medical Polyethylene (PE) or Thermoplastic Polyurethane (TPU)
- Bonding layer: Functional tie-layer co-extruded via sub-micron metering blocks
- Clinical Advantage: Zero drug sorption, zero plasticizer migration, and high chemical inertness
4. Micro-Bore Pediatric & Syringe Pump Extension Lines
Neonatal and pediatric intensive care units require ultra-low priming volumes. Tubes must withstand mechanical pressures generated by electronic volumetric infusion pumps without lumen collapse or ballooning.
- Dimensions: Micro-lumen down to ID 0.8 mm × OD 1.8 mm holding ±0.008 mm tolerance
- Pressure Rating: Burst pressure resistance exceeding 4.5 bar (65 psi) continuous infusion
- Anti-Kinking Architecture: Exceptional elastic recovery preventing accidental flow occlusions
Industrial Competitiveness
Chinese Factory Resilience, Component Integration & Engineering Agility
How BAOD combines Taiwanese machine-tool lineage with the Yangtze River Delta’s high-tech industrial cluster to deliver unmatched production reliability and commercial value.
16,000 m² In-House Machining & Assembly
Unlike simple assemblers who outsource critical components, BAOD houses multi-axis CNC machining centers, wire EDM, and cryogenic metallurgical treating equipment within our Haian, Nantong base. We manufacture over 85% of critical line components in-house, ensuring absolute structural alignment and die-surface perfection.
World-Class Tier-1 Component Sourcing
We blend competitive Chinese manufacturing economics with globally trusted electrical and pneumatic systems. Standard line configurations integrate Siemens/Schneider low-voltage components, Omron/Mitsubishi programmable controllers, NSK/SKF ultra-precision bearings, and SEW-Eurodrive helical gear units for total overseas peace of mind.
Compressed Delivery & Turnkey Commissioning
While European lead times frequently exceed 9 to 14 months, BAOD delivers fully configured, factory-acceptance-tested (FAT) extrusion lines within 60 to 90 business days. Our massive inventory of modular frames, pre-turned screws, and rough-machined heads enables rapid scaling for large international tenders.
Need an Objective Verification of Production Performance?
We invite medical device engineering teams to send their own proprietary raw resin pellets to our Nantong testing center. We will conduct full line trials, analyze melt stability, run 3-hour continuous extrusion cycles, and deliver comprehensive Cpk laser measurement reports before you finalize purchase commitments.
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Future Vision
Technology Roadmap & Future Outlook: Towards 2030 Smart Cleanrooms
The convergence of artificial intelligence, sustainable biopolymers, and sub-micron sensing is driving the next generation of medical tubing equipment.
AI-Powered In-Line Surface Defect Vision
High-speed line cameras equipped with deep-learning neural models detect gels, black specks, micro-bubbles, and pinholes down to 10 μm at 300 m/min. Defective sections are logged with spatial timestamps and automatically rejected downstream without operator intervention.
Autonomous Closed-Loop Rheological Control
Integrating real-time ultrasonic melt viscosity sensors directly into the extruder barrel. The AI algorithm predicts polymer molecular degradation and dynamically balances barrel temperature zones to maintain steady melt output despite variations in regrind or raw resin batch lots.
Bio-Based & Biodegradable Polymer Processing
As global carbon regulations tighten, healthcare institutions are piloting bio-based polyesters (PHA, PLA blends) and bio-TPUs. BAOD’s metallurgical R&D is formulating low-shear screw flights to process these thermally fragile, narrow-window polymers without hydrolytic degradation.
Compliance & Validation
Regulatory Compliance, Cleanroom Integration & Validation Protocols
A medical extrusion line is only as viable as its ability to satisfy strict pharmaceutical and medical device validation audits.
Complete IQ / OQ / PQ Validation Dossiers
BAOD supplies fully documented validation protocols compliant with GAMP 5 principles to streamline client qualification processes:
- Installation Qualification (IQ): Detailed hardware drawings, material mill certificates, electrical schematics, and cleanroom air displacement ratings.
- Operational Qualification (OQ): Verifiable testing protocols for thermal stability, vacuum holding capabilities, alarm interlocks, and emergency stop responsiveness.
- Performance Qualification (PQ): Statistical Cpk run trials over sustained 24-hour manufacturing cycles using client-specified polymer compounds.
ISO Class 7 & Class 8 Cleanroom Hygiene
Every BAOD infusion line features mechanical engineering tailored specifically for cleanroom environments:
- Fully enclosed, mirror-polished 304 stainless steel base frames preventing dust collection
- Sealed cable trays and recessed utility plumbing to simplify chemical wipe-down sanitation
- HEPA-filtered cabinet ventilation preventing airborne motor carbon particulate contamination
- Non-shedding synthetic drive belts and food-grade lubricants certified to NSF H1 standards
Worldwide Rapid Deployment & Localized Technical Support
Our commitment extends across the entire equipment lifecycle through our structured Global Service program:
- On-site commissioning engineers deployed globally for mechanical positioning and validation
- Bilingual technical specialists providing direct line training for client operating personnel
- Strategic regional inventory of consumable parts (heaters, thermocouple probes, silicone puller belts)
- Encrypted VPN remote diagnostic modules for real-time PLC troubleshooting within hours
Knowledge Center
Frequently Asked Questions: Technical & Operational Inquiries
In-depth engineering answers addressing screw design, line stability, material transitions, and cleanroom qualification.
What is the primary factor driving high-speed dimensional consistency in infusion tubing?
High-speed consistency depends on the synchronization between barrel melt pressure and puller line tension. BAOD utilizes high-precision bimetallic screws paired with non-pulsating melt gear pumps and closed-loop multi-axis laser gauges. This architecture eliminates micro-surges at the die lip, allowing outer diameter tolerances within ±0.01 mm at production speeds up to 300 m/min.
Can a single BAOD infusion tube line process both non-DEHP PVC and medical TPU/TPE?
Yes, our modular design supports multi-material processing. While the base frame, vacuum calibration cooling tank, caterpillar puller, and dual winder remain universal, we supply application-specific screw/barrel assemblies and crosshead tooling. TPU requires distinct compression ratios and lower shear flight profiles compared to non-DEHP plasticized PVC to prevent thermal degradation.
How does the vacuum sizing system prevent tube collapse at high haul-off speeds?
At speeds above 150 m/min, the molten tube possesses low green strength upon leaving the die. Our dual-chamber vacuum calibrator utilizes high-flow vortex water rings in the initial sizing sleeve, followed by an adjustable fine-vacuum atmospheric chamber. This maintains uniform outward radial support on the tube circumference while rapidly dropping material core temperature below its crystallization threshold.
What is the typical changeover downtime between different product sizes or colors?
Tooling changeover on our quick-purge crosshead systems typically requires less than 45 minutes. Because the die heads feature streamlined flow channels without dead corners, color transitions (e.g., from clear PVC to light-protective amber) are accomplished with minimal purging compound, reducing resin waste and accelerating return to steady-state manufacturing.
How does BAOD support customers during overseas ISO 13485 or FDA plant audits?
We provide pre-validated IQ/OQ/PQ document packages, sensor calibration certificates (traceable to national metrology standards), and software traceability records compliant with 21 CFR Part 11. Our engineering team can participate remotely or on-site during customer validation trials to address any machine-specific auditor inquiries.
What are the power and utility supply requirements for an infusion tube extrusion line?
Standard lines require 3-phase electrical power configured to client regional voltages (380V/415V/480V, 50/60 Hz), with installed power typically ranging from 45 kW to 75 kW depending on line speed. Clean, dry compressed air (0.6–0.8 MPa) and a closed-loop chilled water supply (temperatures maintained between 8°C and 15°C) are required for the vacuum sizing and quench baths.
Specialized Industrial Extrusion Catalog
Advanced Coating, Multi-Layer Corrugation & Auxiliary Units
In addition to standard medical infusion sets, BAOD manufactures high-speed composite extrusion platforms and specialized downstream units for rigorous industrial environments.
Custom Steel Wire/ Steel Strand / Metal Corrugated Pipe/ Compensation Chain Coating Extrusion Line Manufacturers, Product
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Custom Vacuum Calibration Spraying Cooling Tank Factory, Products
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China TPV Knitting Compostie Hose Extrusion Line Factory, Factories
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China LDPE,HDPE,PP Precision Tube Extrusion Line Manufacturer, Factory
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China Precision Profile Extrusion Line Manufacturers, Products
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Custom Precise Traverse Displacement Auto-Spool Changing Coiling Machine Factories, Products
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Custom Metal Pipe Coating Extrusion Line Manufacturer, Manufacturers
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