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  1. jassco

    Dual Dimension for Part Volume

    Dual volumes do not exist in Solidworks. I guess you will need to use an equation to convert from one unit to another.
  2. jassco

    Hex hole as a datum feature

    A hexagon has only one axis regardless it is made perfectly or not.
  3. jassco

    Hex hole as a datum feature

    CMM machines can find axis of your hexagon feature. A hexagon has only ONE axis.
  4. jassco

    Feature of size for 2 plane features

    Take a look at this image. Is this feature of size? Of course, not.
  5. jassco

    Feature of size for 2 plane features

    It is related to Computational Mathematics. Feature of sizes are more stable.
  6. jassco

    Symmetric to Centerline note is given to below drawing attached, need to understand how manufacturer will punch the holes at what tolerance.

    No, you don't need the "half" dimension. But you do need a position FCF to locate those holes to your datum which is width of the material. It sounds like you are not familiar with blanking operation of dies on press. There is a stripper in the die which looks like a tunnel. This tunnel is wider...
  7. jassco

    Symmetric to Centerline note is given to below drawing attached, need to understand how manufacturer will punch the holes at what tolerance.

    Position tolerances of these holes depend on width tolerances and its straightness due to your material's camber.
  8. jassco

    ISO 8062 and ISO 2768 for one dimension

    What is CT9? Is it a tolerance grade? Your machined surface seems too small to locate the hole, or vice versa.
  9. jassco

    Position Tolerance on placed objects on a weldment

    Sorry. I don't know what you mean when you said, "the preferred place for a FCF showing symmetry". You don't have any symmetry FCF called out on your print. In fact, Symmetry is obsolete per ASME Y14.5-2018. Are these components in your drawings mounted somewhere? I don't see a third item...
  10. jassco

    Position Tolerance on placed objects on a weldment

    Is your print made in accordance with ISO 1101 or ASME Y14.5? In ASME Y14.5, position FCF is not supposed to be attached to a surface. The tolerances on your print seem very tight for an assembly.
  11. jassco

    Position Tolerance on placed objects on a weldment

    Datum feature B is too small to qualify for the primary datum feature.
  12. jassco

    Does anyone know what these green arrows mean?

    HI, SBaugh: Thanks! That is exactly what I experienced. I was unable to save the component files (sub-assemblies and components). How did you break the link so you can save the files?
  13. jassco

    Does anyone know what these green arrows mean?

    Thanks! Appreciate your help.
  14. jassco

    Does anyone know what these green arrows mean?

    I got a stp file and imported it to Solidworks (2024). I noticed these green arrows (pointing to left) on sub-assembly icons in SW design tree. See image below. Does anyone know what they mean?
  15. jassco

    AVG and F symbol - fig 8-14/2018

    Circle F is needed. Otherwise, the roundness will have a different meaning.
  16. jassco

    Is there a preferred true position standard?

    Yes. There is an IT grade for different manufacturing processes. If you use a different process, you may want to know what economical precision is. But you should focus on what you need according to your design intent.
  17. jassco

    Gap in a feature of size

    These are not pattern of the arc. They are part of a circle or cylindrical surface that is interrupted by the slots (feature of size).
  18. jassco

    composite tolerance at lmc : is it nonsense?

    LMC protects material, like a minimum wall thickness. It makes a lot of senses. This is math behind ASME Y14.5 standard.
  19. jassco

    How to measure hole diameter?

    Hi, mfgenggear It does not matter how many layers the part or assembly has. That is irrelevant. You can consider a hole is made up of infinite number of layers.
  20. jassco

    How to measure hole diameter?

    Hi, burnswt: Yes. You just need to make two sets of gages. Each gage is made of a plate with a pin. The pin is located at the BASIC dimensions from datum feature B and C. You will need features on your gages to simulate datum B and C. If your parts fit both the gages, then your parts are good...

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