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SF-400LA/SF-LAC Series Technical Specifications
Core Product Profile
SF-400LA
is a fully automatic unmanned L-type sealing and cutting machine, ideal
for high-volume production line packaging with exceptional efficiency
Integrated automatic film feeding/perforation mechanism and manually adjustable film guiding system
Versatile feed conveyor platform accommodates products of varying dimensions
SF-400LAC model features specialized close-contact functionality for small-item packaging
Advanced Sealing System
Sealing blade with DuPont Teflon coating and high-temperature resistant aluminum alloy
Prevents cracking, charring, and smoking while ensuring zero contamination
Precision Detection System
Imported photoelectric sensors (horizontal and vertical detection sets)
Flexible switching capability between detection modes
Ensures reliable sealing performance for thin and small packaging items
Automated Operation Features
Automatic feeding with length adjustment via photoelectric sensor and timer integration
Induction motor-driven automatic waste film winding system
Manual wheel adjustment for quick size changes without mold replacement
Temperature Control & Safety
Original "AUTONICS" PID digital temperature controller
Highly responsive and precise sealing blade temperature control
Built-in blade protection prevents accidental product damage
Polycarbonate protective shield with automatic alarm function
Specialized Functions
Specially designed film synchronization mechanism prevents misalignment
Optional tear-notch functionality available
Full production line integration capability for unmanned operation
Supports combination packaging for promotional effects
Industry Applications
New energy, food, cosmetics, printing, pharmaceuticals, building materials
Financial sector, e-commerce logistics, hardware industries
Suitable for ultra-large volume shrink packaging applications
SF-4525 Shrinking Tunnel Features
Stainless steel heating elements with automatic heat dissipation
Extends machine service life by over 3 times
Adjustable temperature and conveyor speed with stable performance
Creates sealed, dust-proof and moisture-resistant packaging
Material Compatibility & Performance
Compatible with POF, PP, OPS and cross-linked films
High-power circulation motor ensures even heat distribution
Solid 45# steel roller shafts with silicone sleeves
Withstands heavy loads while preventing film scorching
System Integration
Compatible with fully automatic and semi-automatic sealing machines
Enables simplified operational workflow
| Model | SF-400LA | SF-4525 |
| Power | 2.2kw | 9kw |
| Power Supply | AC 220V 1PH 50Hz | AC 380V 3PH 50Hz |
| Max. Packing Size L×W×H | L+H≤530mm W+H≤430mm H≤135mm | 1000×300×200mm |
| Max. Sealing Size L×W×H | L550×W450mm | / |
| Packing Speed | 15m/min. | 0~20m/min. |
| External Air Source | 6-8kg/cm2 | / |
| Shrink Film | POF | POF |
| Machine Size L×W×H | 1810×880×1600mm | 1300×800×1520mm |
| Packaging Size L×W×H | 1860×930×1750mm | 1350×850×1670mm |
| G./N. Weight | 483/453kgs | 270/240kgs |
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