Six Features

Ryan E. Day's picture
Ryan E. Day
‘In God we trust; all others bring data.” “Follow the data.” “Let the data talk.” Nice clichés, but there’s one problem... data can’t talk. In fact, data don’t say a darn thing. Data are bits of raw...
Glenn S. Wolfgang's picture
Glenn S. Wolfgang
Flow quality management (Flow QM) is a logistical alternative to handling product in lots for the purpose of assessing and mitigating defects. It features a streamlined, automated acceptance sampling...
Stephen Salata's picture
Stephen Salata
It’s an open secret that many automotive and aerospace manufacturers have unacceptably high defects and costs. And where defects are on the rise, quality costs aren’t far behind. Even one defect...
Scott A. Hindle's picture
Scott A. Hindle
I recently got hold of the set of data shown in figure 1. What can be done to analyze and make sense of these 65 data values is the theme of this article. Read on to see what is exceptional about...
Anthony D. Burns's picture
Anthony D. Burns
Quality is related to processes. A process is “a series of actions or steps taken in order to achieve a particular end.” It doesn’t matter whether the process is the handling of invoices, customers...
Cheryl Pammer's picture
Cheryl Pammer
Confidence intervals show the range of values we can be fairly, well, confident, that our true value lies in, and they are very important to any quality practitioner. I could be 95-percent confident...
Rip Stauffer's picture
Rip Stauffer
A lot of people in my classes struggle with conditional probability. Don’t feel alone, though. A lot of people get this (and simple probability, for that matter) wrong. If you read Innumeracy by John...
Mike Richman's picture
Mike Richman
There are many subjects that we cover regularly here at Quality Digest. Chief among these are standards (ISO 9001 or IATF 16949, for example) methodologies (such as lean, Baldrige, or Six Sigma), and...
Matthew E. May's picture
Matthew E. May
Process improvers the world over rally around root cause analysis as if it were the holy grail of all things organizational. But is it? Understanding the root cause of a problem certainly makes...
Dirk Dusharme @ Quality Digest's picture
Dirk Dusharme @ Quality Digest
In our May 11, 2018, episode of QDL, we looked at overproducing ideas, bad quotas (aren’t they all), and how anger can help identify core values. “Questioning Quotas” When are quotas bad? Most of...
Harish Jose's picture
Harish Jose
I have been writing about kaizen a lot recently. It is a simple idea: change for the better. Generally, kaizen stands for small incremental improvements. Here I’m going to look at what is the best...
Willie L. Carter's picture
Willie L. Carter
Becoming a process-focused organization requires a sustained effort, and for most industrial and service organizations that is a difficult task. Failure to improve the performance of your processes...
Douglas C. Fair's picture
Douglas C. Fair
Here’s a quick rundown of what we covered in part one of our list of top 10 mistakes to avoid when using statistical process control (SPC): training everyone, charting everything, segregating control...
Douglas C. Fair's picture
Douglas C. Fair
As you think about your organization’s manufacturing quality efforts—what you’ve overcome and what you hope to accomplish in the future—there is something you need to know. You: What? Who? Me? Me...
William A. Levinson's picture
William A. Levinson
Inspection is a mandatory but nonvalue-adding activity, and our objective is to do as little as possible, provided that we continue to fulfill the customer’s requirements. The zero acceptance number...
Mike Richman's picture
Mike Richman
QDL always strives to bring you a look at the people and stories making the news in the world of quality. We succeeded admirably on the “people” side of things this week and threw in a fun story...
Debashis Sarkar's picture
Debashis Sarkar
The cheating at Kobe Steel shook not just Japan but the entire manufacturing world. As Kobe Steel CEO Hiroya Kawasaki revealed, about 500 companies had received its falsely certified products,...
Jason Furness's picture
Jason Furness
In a previous article I wrote about the reasons why so many lean manufacturing, Six Sigma, and other improvement programs fail. In this article I’m going to expand on reason No. 1: the Academy...
Harish Jose's picture
Harish Jose
It’s not easy to find topics to write about, and even if I find good topics, it has to pass my threshold level. As I was meditating on this, I started to think about procrastination and ambiguity....
Richard Harpster's picture
Richard Harpster
Richard Harpster's op-ed is in response to a recent Quality Digest article and webinar discussing the benefits of the draft AIAG-VDA FMEA Handbook. As he points out at the end of this article, the...