SJ65 High-Speed, High-Efficiency Single-Screw Extruder

SJ65 High-Speed, High-Efficiency Single-Screw Extruder Key Features

High-Speed Throughput with Stable Melt

• Enlarged feed section and optimized compression ratio enable high screw speed without surging
• Advanced barrier/mixing screw design delivers uniform plasticization and low melt temperature rise
• Closed-loop temperature control across multiple barrel zones ensures consistent melt viscosity and gloss

Energy-Efficient Drive and Heating

• High-torque, permanent-magnet or IE3/IE4 motor with vector control reduces specific energy consumption
• Efficient barrel insulation and zoned heating minimize heat loss during long production runs
• Optional energy monitoring package tracks kWh/kg in real time for continuous optimization

Broad Material Compatibility

• Runs PP, PE, HDPE, LDPE, PVC, ABS, HIPS, PETG, PC, PA, TPE/TPU, and recycled blends
• Supports filled compounds: glass fiber, talc, CaCO3, flame-retardant masterbatches
• Wear- and corrosion-resistant barrel and screw options for abrasive or corrosive formulations

Modular, Production-Ready Configuration

• Quick-change dies and adapters for pipe, profile, and sheet extrusion
• Optional venting/degassing section for moisture or volatiles removal
• In-line screen changer (manual or hydraulic) and melt pressure/temperature sensors
• Compatible downstream: vacuum tank, haul-off, calibration table, sizing sleeve, winder, cutter, pelletizer

Popular keywords included: SJ65 single screw extruder, high-speed extruder, energy-efficient extrusion, polymer processing, pipe extrusion line, profile extrusion, sheet extrusion, melt pressure monitoring, barrier screw, quick-change die.

Applications

Building & Construction

• PVC/PE pipes, cable conduits, WPC profiles, weather-resistant seals
• Flame-retardant and UV-stabilized compounds for outdoor performance

Furniture & Home

• Edge banding, decorative profiles, skirting boards, window/door profiles
• Color-accurate extrusion with stable gloss and surface finish

Automotive & Transportation

• Lightweight PP/PA profiles, interior trim strips, low-VOC materials
• Heat-aging and impact-modified compounds for robust service life

Packaging & Consumer Goods

• Thin sheet/tape for thermoforming, protective strips, tubing
• PCR and recycled polymer processing with steady output and filtration

Industrial & Electrical

• Wire/cable jacketing, ESD/antistatic compounds, equipment housings
• Chemical-resistant and high-rigidity formulations

Technical Specifications

Core Parameters

• Screw diameter: 65 mm (SJ65)
• L/D options: 30–38 depending on process window and mixing requirements
• Output capacity: 120–450 kg/h depending on polymer, die resistance, and screw design
• Screw speed: up to 120–180 rpm with high-torque gearbox for smooth operation

Temperature and Control

• Barrel zones: 5–8 independent heating/cooling zones
• Temperature range: 30–380 °C with ±0.5–1.0 °C control accuracy
• Melt pressure monitoring: 0–50 MPa with alarm and interlock protection
• PLC/HMI: 10–15″ touchscreen, recipe management, data logging, OPC UA (optional)

Configuration Options

• Screw types: general-purpose, barrier, mixing, shear-control, vented/degassing
• Feeding: single or dual gravimetric feeders; side feeder for fillers/fibers
• Filtration: manual or hydraulic screen changer; breaker plate with multi-mesh options
• Dies & downstream: pipe/profile/sheet dies; vacuum calibration, haul-off, cutter, winder; strand or hot-face pelletizer

Power & Utilities

• Main drive power: 37–90 kW depending on torque package and target output
• Heating power: 12–28 kW with high-efficiency insulation
• Air supply: 0.6 MPa for pneumatic screen changer and cutter
• Electrical: 380–480 V, 50/60 Hz, 3-phase (regional voltages customizable)

Note: Actual performance varies by formulation, screw/die selection, and process setup. We provide application-specific screw profiles and downstream integration.

User Recognition

Customer Feedback Highlights

• “Our SJ65 achieved 18% lower kWh/kg at the same output, with noticeably better surface gloss on PP profiles.”
• “Hydraulic screen changer and melt pressure feedback kept our recycled HDPE pipe line running with minimal scrap.”
• “Quick die change and recipe recall reduced changeover time by 35%, boosting daily throughput.”

Case Studies & Market Performance

• Pipe producer upgraded to SJ65 and increased HDPE pipe output from 280 to 360 kg/h while cutting energy by 15%.
• Furniture profile manufacturer achieved Class-A surface with a barrier screw and fine temperature zoning, reducing rework by 22%.
• Automotive supplier validated talc-filled PP trim on SJ65 and transferred parameters to a 90 mm production line with near plug-and-play settings.

Competitive Advantages

Innovation That Drives Productivity

• High-speed capability with low melt temperature rise ensures mechanical strength and dimensional stability
• Real-time energy and process analytics support continuous improvement and lower total cost per kilogram

Reliability and Easy Maintenance

• Hardened wear packages extend life when running filled or recycled materials
• Tool-less guards, accessible heaters/thermocouples, and clear HMI diagnostics reduce downtime

Summary

The SJ65 High-Speed, High-Efficiency Single-Screw Extruder delivers production-scale throughput with exceptional melt stability and energy savings. With broad material compatibility, modular options, and intelligent control, it is the ideal platform for pipe, profile, and sheet extrusion as well as pelletizing—maximizing productivity and ROI in demanding industrial environments.