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  • Users: ModulusCT
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  1. ModulusCT

    Squareness Tolerance

    So nevermind what this says about our QA department that they've asked for a squareness tolerance on this assembly... I would however like to get some feedback regarding how best to tolerance this assembly. Please see the attached image. Below is the suggestion a senior engineer gave my drafter...
  2. ModulusCT

    True Position Callout on Old Drawing

    Hello, could someone please have a look at the true position callout on the left-hand view in the attached image and let me know if this makes any sense at all? I'm thinking not, as it's placement doesn't seem to indicate that it is associated with any feature of size. I'm thinking that profile...
  3. ModulusCT

    Siemens Licensing Help

    We were sold 40+ licenses by our reseller with the understanding that we wanted all of our licenses on a centralized license server. Come to find out, as we're setting this server up, all users need to be on the same domain! (a Siemens license requirement) Well, we have users on three domains...
  4. ModulusCT

    Reality Check on TP for Embossement Keys

    Hi guys. This one's tough. The drawings governing the parts in question are old, and were done by people I no longer work with... To make matters worse, some of the dimensioning methods are 'interesting' to say the least. In any case, a new supplier has come to me asking for a TP tolerance of...
  5. ModulusCT

    Displaying Datums Axis in Creo 3

    Is it just me? Or is this software lacking? For over an hour now, I have been trying to get my Datum C to show on more than one view... It's a Datum axis. I would LIKE it to show on every view that currently references it in a feature control frame, but it looks like I can only show it in one...
  6. ModulusCT

    Two Cylinders as Datum Features for True Position

    Hi guys, Pretty simple stuff here, but I'm drawing a blank and could use some advice. I have a part (pictured below) and I'm trying to apply True Position to the 8, small cylindrical protrusions... My Datum A is a surface normal to the axis of these protrusions, and Datum B is a cylinder below...
  7. ModulusCT

    Runout or Perpendicularity?

    So, please if you will, see the first image attached below. We're looking at a misguided attempt to control 3 separate parts which are mated together (Press fit) and need to be mated with other coaxial parts. The two inner shafts you see are meant to mate with two separate grommets. Because of...
  8. ModulusCT

    Meaning of "Both Sides"

    When dimensioning a more or less, square, or symmetrical part, do you guys ever use the term "BOTH SIDES", say under the view label in order to indicate that all dimensions / features apply to both sides of the part from a shared center plane or something? My boss tells me that both sides ONLY...
  9. ModulusCT

    Free State Requirement for a dim without a FCF?

    I have a part where the engineer wants two things: 1) Datum feature B @ .550 +.030 / -.010 shall be measured in the free state (Default according to .5-2009 I think) 2) All other features apply while the aforementioned feature is in the restrained state. What's the best way to indicate this? I...
  10. ModulusCT

    Break sharp edge within a surface profile zone...

    Hi guys... Please take a look at the picture I've included... Notice the pointed portion at the bottom of the part in the picture. It represents an edge. Points PC to PD are controlled by profile of a surface and one surface therein is further controlled by an angulary tolerance. The designer...
  11. ModulusCT

    Simple Question about Centerlines

    A little embarrassed that I don't know this by now, but is there a section in the standard (2009) that explains when and when not to use a centerline on a detail drawing? Specifically, one that passes through the entire part? I know you would do this anytime you would be detailing a round part...
  12. ModulusCT

    Profile of a Surface Controlling a Boss Not Allowed?

    So I'm told that Profile of a Surface cannot control the boss on the surface in the image attached because the boss does not extend the full length of the face being controlled. Is that true? Instead, I'm told that size and position must be used to control the boss. Would the all over symbol be...
  13. ModulusCT

    GDTP-T 2009

    So I've heard that the 2009 version of the certification will come out sometime this year (perhaps November)... I'm anxious to get started with my dtudies and am just wondering what you all think about studying for an exam that isn't yet released first of all, and also, doesn't have clearly...
  14. ModulusCT

    TP FCF on a Hole Note Applies to Which Feature? Thru Hole or C'Bore?

    So my supervisor tells me yesterday that in the attached example, the way it's written, the machinist will basically just be able to choose on his own which part of the hole to apply the positional tolerance to. Is that correct? I was under the impression that a thru hole with a c'bore shared a...
  15. ModulusCT

    Need some help - New job & I'm not producing drawings that are 'good enough'.

    Can someone please point me in the direction of some resource where I can brush up on my drafting practices? I have an ASME in mechanical engineering tech with a focus on design, and have spend the past 13 years doing design/drafting work for various companies. Before I took my most recent job...
  16. ModulusCT

    Name of ASME Document Governing "Dimensioning"

    I am constantly told by people I work with, who are quick to ponit out how much more experience than me they have, that ASME Y14.5-2009 is Geometric dimensioning AND TOLERANCING and not a document about how to be a drafter. I can sort of understand where they're coming from, but am of the...
  17. ModulusCT

    Adaptive Wires (Sweeps) in Inventor 2011?

    Is there any way to get a wire that's been created with a spline in a 3D sketch environment (3+ points) to change its size or position when the wire ends are projected from an endpoint on another part? I'm creating an assembly... two capacitor chips with gold plated pads. I want to create a...
  18. ModulusCT

    Correct Application of Reference Dimension?

    Good morning, gentlemen (hah, gentlemen ;-) )... Simple question. I told my boss yesterday that I didn't believe the R.030 dimension on my drawing should be a reference dim. My reasoning was that the radius could really be any value and therefore it was wrong to infer that because the wall...
  19. ModulusCT

    Hole Notes (ASME Y14.5M-1994)

    So we've had a question about our notes for some time where I work... Simply put, we're not sure how to do it. I have an idea of how it should be, but I'm unsure... Maybe someone here can help me out. A few examples: If I've got a tapped hole (#2-56 UNC 2B) with a depth of .18, I would think...
  20. ModulusCT

    Goal R.002 *Pulls hair out!*

    OK, so I was told to do the following by my supervisor today. I really hate having to tell him that he has no idea what he's doing and that he doesn't know the applicable drafting standard, so I thought that it would be better to simply offer a solution that does jive with the spec. He wants to...

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