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ASME Y14.45-2021 Measurement Data Reporting

ejaneshewski
Hi All,

I am pleased to announce that the ASME Y14.45 standard for Measurement Data Reporting has finally been published! As a founding member and vice-chair of the development subcommittee, this is a very proud moment.

The primary objective of Y14.45 is to provide standardized definitions and formats for reporting GD&T measurement data. This makes it extremely relevant to CMM inspection and I'm optimistic that Y14.45 will become a must-have document for CMM professionals. I expect that the standard will reinforce a lot of what you know already, and provide guidance on some more complex issues that have historically been left open to interpretation. We made a real effort to address difficult topics such as profile reporting, MMC and bonus tolerance, surface interpretation, patterns, composite FCF's, and optimization.

I also expect that Y14.45 will be a great aid for understanding the GD&T functionality in PC-DMIS. I know from committee colleagues that Hexagon has invested a lot in making PC-DMIS follow the GD&T standards more closely.

Just as importantly, I believe that Y14.45 will be a great help (and eye-opener) for those not directly involved in dimensional metrology. It will help them to appreciate how difficult and complex GD&T gets when you need to to go beyond Pass/Fail and actually calculate numbers from the measurements!

Y14.45 is available now in PDF format, and the hard copy version is schedule for Jan 26. Here is a link for ordering:

https://www.asme.org/codes-standards/find-codes-standards/y14-45-measurement-data-reporting/2021



I'm expecting that the Y14.45 standard will generate a lot of questions and comments and I'm looking forward to the dialogue. Feel free to fire away or contact me privately.

Evan Janeshewski

Axymetrix Quality Engineering Inc.

Y14.45 Measurement Data Reporting - ASME
https://www.asme.org/codes-standards/find-codes-standards/y14-45-measurement-data-reporting/2021

  • in reply to KIRBSTER269
    I've seen him on Facebook I'm pretty sure, I'll only have to use about a gallon. Rolling eyes
  • in reply to KIRBSTER269
    just hit him with the can dont even open it Wink
  • So... I purchased the standard and I've only just started combing through it but honestly it worries me. Currently I have multiple customers that we do work for and they all have their own report that I report dimensions out on. Some are super complicated with their formatting and calculation formulas and they do a great job.... however, every time I send out a report with complex data I still have to answer their questions about what it means. and larger companies are going to gravitate towards this for their suppliers because why not require all of the information you could possibly receive. But at the end of the day the average knowledge of the people interpreting the data is below the requirement of the reporting. I understand the importance of creating a standardized report but it tells them what and why but it doesn't understand it for them too.

    In my opinion the biggest problem with ASME standards is the fact that you MUST have some pre-established knowledge to understand what is being covered. Most people (engineers) in the real world don't have the time/patience/desire/need to learn it at the level it is explained. That's not really a fault of the document or ASME but I don't believe it will have the intended impact. However what it will do is add to the length of time it takes to populate some reports which in turn will result in more complaining about not getting data fast enough and possibly result in increased cost for inspection.

    Just my thoughts so far after reading through it for a bit. I may feel differently once I get a little further through it.
  • So... I purchased the standard and I've only just started combing through it but honestly it worries me. Currently I have multiple customers that we do work for and they all have their own report that I report dimensions out on. Some are super complicated with their formatting and calculation formulas and they do a great job.... however, every time I send out a report with complex data I still have to answer their questions about what it means. and larger companies are going to gravitate towards this for their suppliers because why not require all of the information you could possibly receive. But at the end of the day the average knowledge of the people interpreting the data is below the requirement of the reporting. I understand the importance of creating a standardized report but it tells them what and why but it doesn't understand it for them too.

    In my opinion the biggest problem with ASME standards is the fact that you MUST have some pre-established knowledge to understand what is being covered. Most people (engineers) in the real world don't have the time/patience/desire/need to learn it at the level it is explained. That's not really a fault of the document or ASME but I don't believe it will have the intended impact. However what it will do is add to the length of time it takes to populate some reports which in turn will result in more complaining about not getting data fast enough and possibly result in increased cost for inspection.

    Just my thoughts so far after reading through it for a bit. I may feel differently once I get a little further through it.

    I have stated this before, new engineers nowadays are not being taught GD&T, when I have asked newcomers, maybe what is their thought on something pertaining to GD&T, They would always stop me in my tracks. Stating that there was no need to learn it, because it's already in the software that they use. That is why we are seeing more and more blueprints on this sight and people are asking "Is this Callout Legit?" Not saying all engineers or even all schools for that matter, but I myself have dealt with 2 so far.


  • I have stated this before, new engineers nowadays are not being taught GD&T, when I have asked newcomers, maybe what is their thought on something pertaining to GD&T, They would always stop me in my tracks. Stating that there was no need to learn it, because it's already in the software that they use. That is why we are seeing more and more blueprints on this sight and people are asking "Is this Callout Legit?" Not saying all engineers or even all schools for that matter, but I myself have dealt with 2 so far.

    I had an interview last week where the Quality Manager openly admitted he's been measuring parts for 3 decades but honestly didn't know the difference between "that bullseye lookin' symbol" and "the ones with the arrows". He then proceeded to tell me that their biggest problem is getting parts to measure correctly on the surface plate vs the CMM. He asked me if I thought I could help and I told him "no I don't think I can lol"


  • I had an interview last week where the Quality Manager openly admitted he's been measuring parts for 3 decades but honestly didn't know the difference between "that bullseye lookin' symbol" and "the ones with the arrows". He then proceeded to tell me that their biggest problem is getting parts to measure correctly on the surface plate vs the CMM. He asked me if I thought I could help and I told him "no I don't think I can lol"

    Well, that's a different story, I had one that was the same. The guy was twice my size and I told the head honcho, while he was standing right next to me. "This guy you hired, right here, He might have you fooled but he doesn't have me fooled, That guy right there, is nothing more than a Car Salesman, You thought when you hired him, you were getting a Cadillac, but he's nothing more than a Ford Pinto."


  • Well, that's a different story, I had one that was the same. The guy was twice my size and I told the head honcho, while he was standing right next to me. "This guy you hired, right here, He might have you fooled but he doesn't have me fooled, That guy right there, is nothing more than a Car Salesman, You thought when you hired him, you were getting a Cadillac, but he's nothing more than a Ford Pinto."

    gonna say somehting very similar to my boss on my last day =)


  • gonna say somehting very similar to my boss on my last day =)

    To be fair that was part of my farewell speech


  • Are there already plans for PC-DMIS to include report templates & excel templates (within PC-DMIS) that adhere to this standard?
    Do you know if there is a similar ISO standard (existing or in development)?
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