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...]
What is a Receiving Quality Inspection, and How to Set Yours Up? [Podcast]
![What is a Receiving Quality Inspection, and How to Set Yours Up? [Podcast]](https://qualityinspection.org/wp-content/uploads/2022/04/WhatisaReceivingQualityInspectionandHowtoSetYoursUpPodcast.jpeg)
In this episode… How do you assure that the parts and materials (inputs) your manufacturer receives from their sub-suppliers are good quality and won't lead to defective finished products? You perform a receiving quality inspection on … [Read more...]
Does Checking 100% of a Production Batch Make Sense? Yes, It Often Does.
Nearly 2 years ago I wrote When To Do a Random AQL Inspection vs. Check 100% of the Goods. It is a good overview of these 2 options: Send inspector(s) to your supplier's factory for checking random samples Have the manufacturer of … [Read more...]
100% Inspection in a Third Party Facility in China: The How-To
I am guessing that about 96% of quality inspections done in China, on behalf of overseas buyers, are conducted in the supplier's facility on a set of randomly-picked samples. About 3% are done at the supplier's facility, on 100% of the … [Read more...]
When To Do a Random AQL Inspection vs. Check 100% of the Goods
First, let me get one thing out of the way: not all batches need to be checked. If a manufacturer has great systems and processes, and if they have a history of complying with your quality standard, there is usually no reason to send … [Read more...]
The 4 ways of checking product quality before shipment
I can see four key product inspection solutions that importers should use for checking product quality before the goods are shipped out (remember, it is extremely hard to send a container of defective products back to China). … [Read more...]