Bill Tandler

Bill Tandler is president and founder of Multi Metrics Inc. (Menlo Park, CA). For more information, call (650) 328-0200, e-mail or visit .


GD&T Workshop

GD&T Best Practices

Controlling the geometry of slots.
April 12, 2013

Let’s look at what it takes to control the geometry of slots, and see if there is indeed a “best practice.”

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GD&T Workshop

GD&T Functionality

A good way to learn more about GD&T is to critique its application.
January 3, 2013

GD&T is difficult to get right even though it is very logical. What does “right” mean? Right means several things, but mainly that it imposes achievable, fully function based and only necessary permissible limits of imperfection using absolutely syntactically correct code.

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GD&T Workshop

GD&T Pop Quiz Answers

December 4, 2012

How did you do on November's GD&T pop quiz? Find out here!

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GD&T Workshop

GD&T Pop Quiz

November 1, 2012

Surprise! It's a GD&T pop quiz.

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GD&T Workshop: DRF Establishment Process Refinements

September 20, 2012

Insights into the new tools provided by the ASME Y14.5 2009 Standard.

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GD&T Workshop: The DRF Construction Process

August 9, 2012
Consider the steps involved and the rules behind them.
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GD&T Workshop: Establishing Datum Reference Frames

July 5, 2012
The concepts, tool and rules...continued.

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GD&T Workshop: Datum Reference Frames

May 31, 2012
Understand the concepts, tools and rules you need to establish.
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GD&T Workshop: Decoding Feature Control Frames

May 7, 2012
Let’s get a precise handle on feature control frames and their impact.
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GD&T Workshop: The Fundamentals of GD&T

April 2, 2012
The many little pieces that make up the world of GD&T.
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 In honor of World Quality Month, we spoke to James Rooney, ASQ Past Chairman of the Board of Directors 2013, for his take on quality around the world.
For more information, read the ASQ Speaking of Quality column.
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Quality Magazine


2014 April

Check out the April 2014 edition of Quality Magazine for features!
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Manufacturing Process

Has/does news about a manufacturers’ recall (like the GM recall in the news now) cause you or your company to reexamine its manufacturing process?
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