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Welcome to the GD&T / Dimensional Engineering Blog

The purpose of this blog is to share information on ASME GD&T and ISO GPS standards. It will also discuss real-life tolerancing issues and dimensional engineering applications, practical solutions related to the topics of engineering drawing standards, GD&T usage, inspection, gaging and measurement design analysis, and tolerance stack-ups.. This blog will become your go-to source for information on standards and all things about GD&T.

The blog will contain a variety of informative / interactive features such as: discussions, surveys, quizzes, teaching methods, tips, notices of standards meetings and publication of new standards. 

About the Author Alex Krulikowski

​Author of 22 books on GD&T, teacher, mentor, instructional designer, ASME and ISO standards member, product designer, dimensional engineering manager, speaker, and successful entrepreneur.

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30 comments
Alex Krulikowski
Jose Esparza says May 31, 2017

Hello Mr Krulikowski congratulation for your new blog.

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    Alex Krulikowski
    Alex Krulikowski says May 31, 2017

    Thanks, I appreciate the kind words.

    Reply
Alex Krulikowski
Athmanathan Nadarajah says June 1, 2017

Congrats Mr.Alex

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    Alex Krulikowski
    Alex Krulikowski says June 1, 2017

    Thanks. I appreciate the kind words.

    Reply
Alex Krulikowski
Mark Lawry says June 1, 2017

I look forward to following this blog. This is a great idea.

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    Alex Krulikowski
    Alex Krulikowski says June 1, 2017

    Thanks. My goal is to make this blog the definitive source for GD&T information.

    Reply
Alex Krulikowski
Manjunath says June 1, 2017

Congratulations Mr Alex..Looking forward for the valuable information from you..

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    Alex Krulikowski
    Alex Krulikowski says June 2, 2017

    Thanks, I am excited about making this blog the go-to resource for GD&T

    Reply
Alex Krulikowski
Chris Herber says June 1, 2017

I don’t know if this is the place for this but where can I find a hard to find thread dimension? I’m referring to a 7 7/8-16 N.S Class 4 fit?

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    Alex Krulikowski
    Alex Krulikowski says June 3, 2017

    Chris,

    I did a bit of checking in the thread standards I have at hand and was not able to find an answer to your question. You are correct; this is a hard to find thread specification. Another source that may be able to help you is to post your question on my GD&T / Dimensional Engineering group on Linkedin. The URL is https://www.linkedin.com/groups/3613820
    If I find an answer, I will post it on that site.

    Reply
    Alex Krulikowski
    Craig Tallar says June 6, 2017

    I have engaged in Standards decades ago. And even developed a spreadsheet to produce thread specifications with gage specifications as well. It is a long time in my history, however, I know you can find this thread specification from industry standards.

    Reply
Alex Krulikowski
Sonia Rivera says June 1, 2017

Great idea! Congratulations, Mr. Krulikowski!

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    Alex Krulikowski
    Alex Krulikowski says June 2, 2017

    Thanks, I think this will be a good source for GD&T information.

    Reply
Alex Krulikowski
Larry Monroe says June 1, 2017

Will you be discussing more of current issues on this blog?

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    Alex Krulikowski
    Alex Krulikowski says June 2, 2017

    Sure! If you have any specific topics in mind, let me know and I will try to cover them

    Reply
Alex Krulikowski
Swapnil Gujarathi says June 2, 2017

Dear Alex,

Hope we will get more gems of wisdom in GD&T from this new blog.

You have already made a huge contribution to mechanical industry, but still going strong.

Appreciated your passion and commitment at this age. So active.

Best wishes,

Swapnil Gujarathi
Senior GD&T trainer (GDTP-S)
Nashik, India

Reply
    Alex Krulikowski
    Alex Krulikowski says June 2, 2017

    Swapnil,

    Thanks for the kind words. Stay tuned! Lots of GD&T related stuff coming in this blog.

    Reply
Alex Krulikowski
Swapnil says June 2, 2017

Dear Alex,

Hope we will get more gems of wisdom of GD&T from this new blog.

You have already made a huge contribution to mechanical industry, and you are still going strong.

Appreciated your passion and commitment to GD&T at this age. You are so very active.

Swapnil Gujarathi
Senior GD&T trainer (GDTP-S)
Nashik – India

Reply
Alex Krulikowski
Steve Leggett says June 2, 2017

I would like to see a blog about getting Certified in GDTP.

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Alex Krulikowski
Alex Krulikowski says June 2, 2017

Steve, I will add certification to the schedule for a future blog. Thanks for the suggestion.

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Alex Krulikowski
Bablofil says June 5, 2017

Thanks, great article.

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Alex Krulikowski
Michael LIu says June 12, 2017

Greetings Alex,

I hope the GD&T Blog is a hit.

To help get you started…I’d like to discuss how we should handle independence of size and form controls…as one of the first topics. If an OEM has a directed supplier @ the tier 2 level…and we’re the tier 1…

Industry practice is to put a size control on the cylindrical feature…yet the OEMs…all of them it seems…require measurement plans that omits checking certain types of form error.

Michael

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Alex Krulikowski
Steve Leggett says June 16, 2017

Hello Alex.

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    Alex Krulikowski
    Alex Krulikowski says June 16, 2017

    Hi Steve,

    Reply
Alex Krulikowski
Rohit says June 20, 2017

Waiting for the good knowledge ….. Congratulations

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Alex Krulikowski
Wm J (Jack) Rickard says June 20, 2017

Keep up the inspirational work!

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Alex Krulikowski
Mike McVey says June 24, 2017

Mike from Siemens Newark De.
Hello Mr. Krulikowski
I look forward to following your blog. It is timely as we are about to kick off a new project. Will be working with a design house in Bangalore India. The company is HCL and they deffinetly need help with understanding the application of GD&T.

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Alex Krulikowski
Gordon Dace says June 26, 2017

How does one signup for your blog?

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    Alex Krulikowski
    Alex Krulikowski says July 5, 2017

    Hi Gordon

    You sign up using the “Sign up for blog alerts” box on the upper right of this page.

    Reply
Alex Krulikowski
Charles Roscoe says September 19, 2017

You should find a way for users to assign standard legend keyword to a blog to add to what will become a 10,000 blog post archive. This way another user can select only CONGRATULATIONS posts and/or PROFILE blog posts that the user is interested really interested in reading.

For example, The Tec-Ease GDT tips page has all tips cross referenced in a standard legend. Pick POSITION from the legend and only 25 related tips from the entire directory appear, not 10,000.

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