Application & Process
A Blister Inspection System is a technology used to automatically inspect and assess the quality of blister packaging in various industries, such as pharmaceuticals, food, and consumer goods. Blister packaging consists of a pre-formed plastic or aluminum blister that holds the product and a cardboard or plastic backing. The inspection system ensures that the blister packaging meets quality standards, has the correct contents, and is free from defects.
Application: Blister Inspection Systems are commonly used in industries where blister packaging is prevalent, including pharmaceuticals, medical devices, electronics, and food. They help ensure product safety, quality, and compliance by detecting issues such as incorrect packaging, missing items, damaged blisters, and defects.
Process: The process of blister inspection involves several steps, which may vary based on the specific requirements of the industry and the types of products being inspected. Here’s a general outline of the process:
- Feeding and Positioning: The blister packaging is fed into the inspection system using a conveyor or other automated mechanism. The system positions each blister accurately for inspection.
- Image Acquisition: The system uses high-resolution cameras and lighting to capture images of the blisters. Multiple angles and lighting conditions may be used to ensure comprehensive coverage.
- Image Analysis: The acquired images are processed using advanced image analysis techniques. Machine learning algorithms and image processing software are often employed to identify defects, verify contents, and assess the overall quality of the blister packaging.
- Defect Detection: The system checks for various defects, such as:
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- Missing or misaligned items within the blister.
- Cracks, holes, or deformities in the blister.
- Incorrect sealing or adhesive issues.
- Contaminants or foreign particles.
- Content Verification: In some cases, the system can use optical character recognition (OCR) to verify the printed information on the packaging, such as lot numbers, expiration dates, and product names.
- Sorting and Rejection: Based on the analysis, the system classifies each blister as acceptable or defective. Defective blisters are often rejected using pneumatic or mechanical mechanisms, preventing them from proceeding down the production line.
- Data Logging and Reporting: The inspection system logs data on inspected blisters, including images and inspection results. This data can be used for quality control, traceability, and process improvement. Reports can be generated for compliance purposes.
- Integration: The blister inspection system can be integrated into the production line, often interfacing with other automated systems, such as filling machines and labeling systems.
- Adjustment and Calibration: The system may require periodic calibration and adjustment to ensure accurate and consistent inspection results.
- Maintenance: Regular maintenance and cleaning of the cameras, lighting, and other components are essential to ensure the system’s continued accuracy and efficiency.
Salient Features
- BIS camera inspection system can be installed on the all types of foils like PVC clear, color foil, opaque, ALU foil, ACLAR film etc.
- Easy way to teach the Product.
- Easy way to change the Product threshold value.
- 21 CFR Part 11 Compliance.
- Report Generator tool can generate Production report and Audit report.
- Built in queue management system for rejection.
- Defects can be detectable:
- 1. Chipped Tablets
- 2. Missing Tablets/Capsules
- 3. Brocken Tablets
- 4. Color Variation
- 5. Foreign Object
- 6. Spotted Defects on Tablets
- Over or Under size Tablets
- Cap missing Capsules