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  • how do I align this to match GD&T so it can be correctly dimensioned?

    I've inserted a snippet of a part I'm currently working with its not the entire print. can someone explain in the simplest of terms how I need to align this part so when I measure my dimensions it does so correctly? also can someone explain why you chose…

  • Datum feature labels moving when closing and reopening a program

    This does not happen often, but I have had it happen twice this year so far. I program offline typically, save for a few things. I ran the part online, went back to modifying it offline, then tried it online again. I believe it happened after I ran the…

  • equate alignment step by step

    Good Afternoon 1st time I'm trying to use equate alignment for a long part - I used to measure part in 2 separated stages so I have 2 separated independent programs. I combined them in one program remembering to change IDs in stage 2 to avoid duplicates…

  • Updating GD&T nominals

    Good morning all, I have a question in regards to a true position stack up. I am using a CAD model to probe the part but my Z nominal is incorrect. which should be the nominal distance from plane A to the hole so it is throwing my tolerance off…

  • GD&T measurement error

    Good afternoon all, I am trying to set up a quick program to measure a true position call out for a part we are running at the shop. it is a small bushing and the TP call out is the O.D. cylinder to the I.D. cylinder (datum A) and a perpendicular…

  • Error: Compound or pattern datum must be perpendicular to datum plane.

    I recently was tasked with measuring a part bent at an angle with a pattern of holes on both surfaces of the bend. The bottom plane is Datum A, the bottom pattern of holes is Datum B. There is a profile locating all of the edges on the bottom plane to…

  • Common Datum Issues

    I have an issue with a part I'm trying to improve. With 2020 (or I forget which exact version), they introduced being able to create a Common Datum. Well before they introduced this, we've had to basically measure feature A, measure feature B, construct…

  • True position of tapered hole

    Hello everyone I need to inspect TP of a tapered through hole on a cylindrical surface at a distance of R. 10.4 from center of part as shown in image, ​ any thoughts on how this can be inspected.. Attached Files

  • Profile surface datum definition

    I am trying to set the datum, but I wonder if there is a way to set the datum a when datum A is a curved surface as shown in the figure. version : pc-dmis cad++ 2018 r1 ​

  • Difficult Datum

    I am having trouble figuring out how to establish Datum B (see attached). It creates that midline the red arrow points to, but it seems to be a line and a point. Does anyone have any advice on how to create that midline from a straight and curved feature…

  • Exact measure datum shift error

    I have come across another issue that im having with exact measure ( i have not tried this on "geometric tolerance command" yet). The problem i am having is the datum shift when applied thru simultaneous evaluation (s.e.) is making erroneous datum shifts…

  • Position without DRF/Datums

    Hey all, Wondering how to best measure and report a pattern position without datums. (See Dim labeled 11 on attached print view). The three holes are properly dimensioned to each other with basics and are the primary datum so the GD&T checks out but…

  • Angle alignment

    Dear sir, I have a part having datum A as plane, Datum B&Datum C as circle but the Datum B is with an angle to Datum A, it is not perpendicular to Datum A so when i going to call the position of some circles wrt ABC then a message show as secondary…

  • 2020 R2 True Position Datum Callouts

    Good afternoon, For a momentary fix I have resorted to using legacy mode to get this to work for now but I really don't want to use legacy mode for 1000+ feature reporting, I'm sure you can sympathize lol I have been tasked with writing a program…

  • Creating a dimension with MMB

    Hi there, I need help. I've received a ASME drawing in inches from a client (i usually work on ISO and with mm) and they've demanded that I measure a position with the MMC condition in the hole and for each datums (B and C). The thing is that i…

  • Bonus calculation

    I am facing difficulties figuring out how pc-dmis is calculating bonus tolerance. in the two attachments when circle was a measured feature bonus tolerance was 0.0022, for the same feature when it's used as datum tolerance changed to 0.0062. …

  • True Position Out of Tolerance

    ​ Hello, I am having trouble understanding how this TP callout can be out by so much. I attached a pic of what the report looks like and the code is shown below. Does anybody have any ideas? I have tried redoing the alignment but that did not…

  • A Couple Newbie CMM Questions

    Good evening everyone! I’m extremely new to CMMs, GD&T, and pretty much anything to do with this whole world. (>4 months) My employer found themselves in a tight spot when our old CMM Operator/Programmer left for another company. The previous employee…

  • Tertiary axis/plane is parallel to primary axis

    So I have been having a problem with this part. I have been trying to get the position dimension on the 0.266 holes (in the middle holes compared to Dat D, Dat B, and Dat C) but I have been getting the "Tertiary axis/plane is parallel to primary axis…

  • Creating datum from rounded slot

    Hello, in the beginning i want to emphasize that i'm a new use of pc-dmis software (4 months) and worked with the other software (ArcoCad) for 3 years. Now I'm stuck with one thing in XactMeasure GD&T. I got part that has datums like in the drawing…

  • Is it possible to check compenents by using PC-DIMS instead of gauges like Go-Nogo?

    I need to use our Hexagon CMM instead of checking GO & NOGO gages. Need your help!

  • Delete datum information on True Position FCF

    I Have trouble when showing True Position on FCF, There is some information i want to hide or delete, that is location on Datum which shown in Position tab, that information come when i add secondary and tertiery datum with MMC or LMC on True Position…

  • Datum Definition

    Is this important? I would imagine so, considering all the parts have datums, but what is the difference from, say, setting a point as Datum A and dimensioning a feature to Datum A, and setting a point and dimensioning a feature to said point?

  • Perpendicularity of cylinder

    Hi everyone, I am new to the forum and by searching the topics I couldn't find the answer to my question. I need to measure the perpendicularity of a hollow cylinder according to its planar surface used as datum. I have used two different approaches…

  • Feature control frame

    When I try using any Dimension the FCF editor is so small I can not see whats available. After looking around I did see a post about clicking on "GDTFONTSFORPCDMIS " within my pc-dmis file but that did not work My day is over and I will be drinking…
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