ZONESUN ZS-MD50 Automatic Bottles Caps Aluminum Foil Seal Infrared Thermal Imaging Inspection Machine

This ZONESUN aluminum foil seal inspection machine uses non-contact infrared thermal imaging to inspect induction or heat-sealed closures in real time. It accurately detects sealing defects without touching the product, making it ideal for cosmetics, food, and beverage production lines.

Aluminum Foil Seal Inspection Machine Parameter

• Machine Model: ZS-MD50
• Power Supply: AC 220V ±10%, 50/60Hz(Customizable)
• Power Consumption: ≤ 1 kW
• Applicable Cap Size: φ 10–150 mm
• Applicable Bottle Size: Height 50–350 mm; Diameter ≤ 300 mm
• Maximum Inspection Speed: 200 bottles/min (Actual speed depends on product size)
• Pass Rate: ≥ 99.99% (Not suitable for double layer caps)
• False Reject Rate: ≤ 0.5% (Depend on packaging material and operating conditions)
• Image Accuracy: ± 0.03 mm
• Operating Temperature: –15°C to 65°C
• Camera Speed: 50 Hz, full temperature range
• Inspection Types: No cap, missing foil seal, skewed cap, high cap, loose cap, reversed foil, double foil, damaged foil at bottle rim, lifted foil edge, under-sealing due to low sealing power, over-sealing due to excessive sealing power
• Compressed Air Requirement: 0.6–0.8 MPa, ≥ 0.6 m³/min (Supplied by user)
• Machine Dimensions: 600 (L)*450 (W)*1720 (H) mm

*Specifications are for reference only and may vary by your product. Please confirm with us if required.

Machine Features

• Non-Contact Thermal Imaging Inspection
  Infrared imaging reads seal quality without touching the bottle — no probe, no physical contact with the product or the cap. For sealed pharmaceutical and food products, that matters specifically because contact-based inspection introduces its own contamination risk at the exact point production is trying to keep clean.
• 100% Inline Inspection
  Every bottle gets inspected during production, not a sample pulled periodically. The difference shows up in what gets caught: a sampling-based system might miss a defect that occurs on bottle 47 if it's only checking every 50th bottle. Inline inspection doesn't have that gap.
• High-Accuracy Defect Detection
  Missing foil liners, double liners, folded seals, incomplete sealing, wrinkles — detected at up to 99.9% accuracy. Each of these defect types looks different under thermal imaging because each disrupts heat distribution across the seal differently, which is what the system is actually reading.
• Automatic Defect Rejection
  A reject signal triggers an automatic rejection system the moment a defect is detected — the flawed bottle exits the line before it reaches secondary packaging, not after a batch has already been boxed and needs to be reopened.
• Real-Time Thermal Image Display
  The touchscreen shows live thermal images alongside inspection results. An operator watching the screen can see a developing seal quality trend — temperature drifting slightly across a run — before it crosses into reject territory, not just after a defect has already been flagged.
• Fast Inspection Speed
  Up to 200 bottles per minute, depending on bottle size and production conditions. At that speed, inspection keeps pace with high-volume filling and capping lines rather than becoming the station that slows them down.
• Compatible with Various Bottle Sizes
  Inspection height adjusts to accommodate different bottle dimensions — one system covers multiple packaging formats rather than requiring separate inspection equipment per bottle size.
• Easy Production Line Integration
  Connects with induction sealing machines, filling lines, conveyors, and automated packaging systems — running as one inspection stage within the line rather than as a separate manual checkpoint.
• Improves Product Quality
  A sealing defect caught here never reaches a customer. That's the entire function: catching the failure before the product leaves the factory rather than after it's already in the field, where the cost is a recall instead of a rejected bottle.
• Wide Industry Applications
  Pharmaceutical, food, beverage, cosmetic, nutraceutical, chemical — any industry relying on induction foil sealing for product integrity faces the same inspection requirement, regardless of what's inside the bottle.