07/23/2012 | Author / Editor: RAGHAVA KASHYAPA / Dominik Stephan
Nowadays Indian companies are quite conscious about quality in their manufacturing processes, and do not mind investing in systems that improve quality – rather than looking at it from a pure cost perspective. Thus, use of ‘machine vision’ is growing in the Indian pharmaceutical sector.
Quality control and assurance are critical in ensuring safety and reliability of pharmaceutical products. ‘Machine vision’ technologies are being used by pharmaceutical companies around the globe for a wide range of inspection systems.
Indian companies are also becoming aware of ‘machine vision’ systems – and have started to employ these systems in applications for high-speed inspection and sorting of pills and blister packs, liquid level detection in bottles and label print verification along with barcode and pharma code reading.
Many of the inspection requirements in a pharmaceutical company cannot be solved by using optical sensors, while manual inspection is time consuming and might be ridden with errors. Machine vision based inspection systems ensure a reliable, highly accurate and cost-effective solution.
As tablet packaging is a job involving several risk factors that may adversely affect the pharmaceutical company’s credibility, stringent attention is essential during the process. Read more in Criteria for Choosing the Right Inspection System for Pharmaceutical Packagings
In an Indian pharmaceutical company, Qualitas Technologies had successfully trialed a machine vision application recently. This company was in need of a blister pack inspection system to check for missing or broken tablets – as the production process sometimes resulted in such quality issues.
The inspection was being done manually with four people inspecting blisters for 100 per cent quality inspection. However, manual inspection for such requirements was errorprone – as it was possible that the defect might be overlooked. Furthermore, given the high speeds at which the pharmaceutical drugs are produced, manual quality inspection cannot possibly hope to maintain the same pace.
Laden with these problems, the company approached Qualitas for a vision system to inspect blister packs for defects....
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