Poka Yoke — Mistake-Proofing: How to Eliminate Defects at the Source in Indian Manufacturing Plants
A pharmaceutical packaging line in Ahmedabad was rejecting 2.3% of blister packs due to missing tablets — caught only at final inspection, after the entire batch had been produced. One engineer suggested mounting a simple vision sensor at the blister-filling station that halted the line when any cavity was detected empty. The rejection rate dropped
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