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Quality is free, but poor quality is expensive. —— Philip Crosby Cost of Quality COQ is one of the most central economic…
Quality is not free, but low quality is more expensive. One table to understand the four pockets of quality cost. Qualit…
Quality Engineer QE — the builder of the quality management system QMS , the resolver of quality issues, and the driver …
<div class="section" <h2 1. Overview</h2 <p Quality cost management is a core component of the quality management system…
1. A Case of "Dismantling the Failed Units" A manufacturing company received 12 faulty units returned by a customer. To …
A certain automotive parts company received a nonconformity from a customer's second party audit last month. The auditor…
When the PFMEA for a steering bracket at an automotive parts factory was submitted to the client, the severity and occur…
1. A Workshop Where "Control Charts Have Been Drawn for Three Years" In the spring of 2026, I witnessed a scene at a pre…
1. Three Rectification Orders, Zero Responses A manufacturing company with annual revenue just over 400 million has 11 p…
In a certain automotive parts company, the IQC inspection item list grew from 27 items to 86 items over five years, with…
1. A "Qualified but Rejected by the Customer" Qualification Test A manufacturing company conducted a reliability qualifi…
An electronics company's IQC follows the standard sampling inspection: batch size of 1000 units, general inspection leve…