ZONESUN
ZONESUN ZS-MD50 Automatic Infrared Thermal Imaging Foil Seal Inspection Machine
ZONESUN ZS-MD50 Automatic Infrared Thermal Imaging Foil Seal Inspection Machine
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Description
The ZONESUN ZS-MD50 is an automatic foil-seal inspection machine designed for high-speed production lines. Operating at up to 200 bottles per minute, it uses non-contact infrared thermal imaging to evaluate the sealing quality of induction-sealed or heat-sealed bottle caps. The system accurately detects missing foil, weak sealing, overheating, skewed caps, loose caps, and other sealing defects without touching the product. With its wide cap-size compatibility, high pass rate, and precise imaging accuracy, it provides reliable, efficient, and real-time quality control for cosmetics, food, beverage, and chemical packaging lines.
Note: The system does not detect double caps or foreign objects at the seal.
IMPORTANT OPERATING REQUIREMENTS
- This machine uses infrared thermal imaging and must be installed immediately after an aluminum foil induction sealing machine.
- Each container must be inspected immediately after sealing while the foil seal is still warm. Once the sealing temperature has dropped, the machine cannot perform a reliable inspection.
- This inspection machine cannot be used as a standalone machine.
- Not suitable for containers with metal caps.
Parameter
| Model | ZS‑MD50 |
| Power Supply | AC 220 V ±10%, 50/60 Hz (customizable); 110 V (requires external transformer) |
| Power Consumption | ≤ 1 kW |
| Applicable Cap Size | Φ10–150 mm |
| Applicable Bottle Size | Height 50–350 mm; Diameter ≤ 300 mm |
| Max Inspection Speed | 200 bottles/min (depends on product size) |
| Pass Rate | ≥ 99.99% |
| False Reject Rate | ≤ 0.5% (depends on material and conditions) |
| Image Accuracy | ±0.03 mm |
| Operating Temperature | –15 °C to 65 °C |
| Camera Speed | 50 Hz, full temperature range |
| Inspection Functions | No cap, missing foil seal, skewed cap, high cap, loose cap, reversed foil, double foil, damaged foil at rim, lifted foil edge, under‑sealing, over‑sealing |
| Compressed Air Requirement | 0.6–0.8 MPa, ≥ 0.6 m³/min (user supplied) |
| Machine Dimensions | 600 × 450 × 1720 mm |
Applications
1.Defect Detection Capabilities
- Missing Foil Inspection: Instantly detects bottles missing the aluminum seal layer.
- Sealing Defect Identification: Identifies unsealed, under-sealed (insufficient heat), and over-sealed (burnt) caps.
- Cap Positioning Errors: Detects loose caps, high caps, skewed/tilted caps, and inverted foil liners.
- Rim & Edge Integrity: Scans for damaged, lifted, or folded foil edges along the bottle neck.
2.Target Industries
- Pharmaceuticals & Nutraceuticals: Ensures tamper-evident sealing and moisture/oxygen barrier protection for pill bottles and supplement containers.
- Cosmetics & Personal Care: Protects high-value skincare creams, lotions, and oils from leakage during transit.
- Food & Beverage: Maintains freshness and shelf-life integrity for sauces, powders, dairy products, and bottled beverages.
- Chemical & Agrochemical: Prevents hazardous leaks and spillage of household chemicals, lubricants, and pesticides.
3.Packaging & Container Compatibility
- Compatible Cap Types: Plastic screw caps, flip-top caps, and press-on caps requiring induction/heat seal foil liners.
- Compatible Bottle Materials: HDPE, PET, PP, PVC, and Glass bottles (not compatible with metal caps/containers).
Displays thermal images, inspection results, alarms, and system status in real time.
Detects bottle presence and triggers synchronized image capture to ensure accurate inspection timing.
Controls rejection timing and signal output to ensure defective bottles are accurately removed based on infrared inspection results.
Scans the seal area without contact to detect temperature distribution and sealing quality.
Determines seal integrity by analyzing heat distribution patterns in thermal images, identifying foil defects to assess whether the packaging is qualified or not.
