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Why the AQL Inspection System Is Still So Widespread

March 21, 2023 by Renaud Anjoran

Why the AQL Inspection System Is Still So Widespread

In the 1930s, some smart statisticians at Bell Labs worked on an amazing amount of manual calculations to suggest sampling plans for product quality inspections. Over time, it became the topic of MIL STD standards and one of those plans … [Read more...]

Filed Under: Quality Control Tips Tagged With: 100% inspection, AQL, random sampling aql inspection

6 Tips To Combat Common Recurring Quality Issues From Your Supplier

February 24, 2023 by Renaud Anjoran

6 Tips To Combat Common Recurring Quality Issues From Your Supplier

What happens if your supplier keeps manufacturing products with various defects, even though you have a quality standard that outlines your expectations? This tends to happen for the same reasons, so here are 6 tips to help you avoid … [Read more...]

Filed Under: Quality Control Tips Tagged With: AQL, design defects, manufacturing defects, product quality

What Drives Product Inspection Costs?

December 9, 2022 by Adrian Leighton

What Drives The Cost Of Product QC Inspections?

It's important to inspect product quality, but if the inspections you get done aren't optimized you could end up spending too much on high product inspection costs which is a problem when that money could be used for other activities. … [Read more...]

Filed Under: Quality Control Tips Tagged With: inspection levels, quality inspection costs, random sampling aql inspection

The Concept of Quality: Little q VS Big Q.

October 14, 2022 by Adrian Leighton

The Concept of Quality: Little q VS Big Q.

Take a deep dive into the concept of quality. A lot of importers focus narrowly on if the products they're getting from their manufacturers/suppliers are within tolerance (little q). But without a wider view that looks at the entire … [Read more...]

Filed Under: Quality Control Tips Tagged With: product quality, Quality, quality improvement

Quality Checklists: 3 Examples for Inspections

October 12, 2022 by Renaud Anjoran

inspection checklists

  Over the years, we have provided feedback to many clients on their product specification sheets and their quality checklists for inspections. Rather than a step-by-step guideline, the most useful is usually to provide them … [Read more...]

Filed Under: Quality Control Tips Tagged With: inspection checklists, managing quality, product inspections, product quality, qc inspections, quality inspections

Using the Limiting Quality Level (ISO 2859-2:2020) Instead of AQL

September 19, 2022 by Renaud Anjoran

Using the Limiting Quality Level (ISO 2859-2:2020) Instead of AQL

A reader asked me how he should do an inspection of a lot produced in isolation. In theory, he should work with the Limiting Quality Level (LQ), not the AQL, which is designed for inspections of a continuous stream of production. I shot … [Read more...]

Filed Under: Quality Control Tips Tagged With: AQL, limiting quality level, LQ, product inspections, random inspection

What To Do If Your Products Fail An Inspection? [Step-By-Step Process]

September 9, 2022 by Adrian Leighton

What To Do If Your Products Fail An Inspection? [Step-By-Step Process]

Sofeast's CEO Renaud Anjoran and Adrian from the team are back and talking about something else you don't want to experience but may if you're unfortunate. A failed product inspection! Renaud will explain to you why the type of … [Read more...]

Filed Under: Quality Control Tips Tagged With: failed inspection, QC, qc inspections, quality failures

Best-In-Class Investigations on Product Failures: Learn from Air Crashes

August 30, 2022 by Renaud Anjoran

Best-In-Class Investigations on Product Failures: Learn from Air Crashes

I found theĀ Air Crash InvestigationsĀ program on National Geographic and I admit I spent hours watching it over the past weekend. It is riveting! Here is the way they present it: Featuring captivating reenactments and state-of-the-art … [Read more...]

Filed Under: Quality Control Tips Tagged With: failure analysis, investigation, product failure causes

Failure Analysis: An Activity You Hope You Won’t Do!

August 26, 2022 by Adrian Leighton

Failure Analysis: The Activity You Hope You'll Never Need

A product failure analysis is an activity manufacturers hope they'll NEVER need to do. If something has gone wrong enough to warrant doing one, you're probably experiencing product quality or safety issues that are so severe that … [Read more...]

Filed Under: Quality Control Tips Tagged With: failure analysis, fixing problems, quality failures, reliability failures

How to optimize inspections & drive suppliers to improve quality to reduce costs & risks?

August 12, 2022 by Adrian Leighton

How to optimize inspections & drive suppliers to improve quality to reduce costs & risks?

If you're placing large enough orders with your overseas manufacturers there are ways in which you can optimize the product QC inspections you're conducting in order to get better quality results for the same costs or to reduce overall … [Read more...]

Filed Under: Quality Control Tips Tagged With: podcast, product development tips, product inspections, quality improvement

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Weekly updates for professional importers on better understanding, controlling, and improving manufacturing & supply chain in China.

This is the official blog of Sofeast.com.

This blog is written by Renaud Anjoran, an ASQ Certified Quality Engineer who has been involved in chinese manufacturing since 2005.

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