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Recent content by 121560

  1. 121560

    Process Notes on a Drawing

    The typ note would read as follows; PN xxxxxxx-xxx shall be considerd a make from alternate part. Ideally make from alternate part rough machined part or casting ( excess mtrl ) fab/machined for hi-use finished parts. Also may be designated as MRP raw mrtl enabling in house machine shop to fab...
  2. 121560

    Orientation of hole pattern relative to a slot

    PLEASE SEE ATTACHED. Datum C feature of size is the slot width ( tertiary, midpt of slot width ) therefore datum B & C establish 'X' center plane true geometric counter part ( 'Y' value equals 0 any where along 'X' plane ) and 'Y' plane ( 90 deg ) thru datum B centroid. Datum B & C mate to press...
  3. 121560

    Symmetrical Tolerancing

    PLEASE SEE ATTACHMENT. The .563 is a datum feature of size meaning the mid plane is datum B of what the actual size of nom .563 feature is machined. Hence .316 dia is located about datum B midplane within postional tol specified. Of note datums A and C include. ray Doyle Ray Doyle SolidWorks...
  4. 121560

    datum casting vs machining

    concur please see an example of casting and machined casting I design drafted a few yearsback Ray Doyle SolidWorks 99-07
  5. 121560

    datum casting vs machining

    I concur please see an example of casting and machined casting I design drafted a few yearsback Ray Doyle SolidWorks 99-07http://files.engineering.com/getfile.aspx?folder=32ecde0c-5418-4268-8ab3-ceb31df1f24d&file=Casting_&_Machined_Casting.pdf
  6. 121560

    Drawing Checker/Approver Qualifications

    As a design checker I agree with a majority of whats been conveyed above, "the checker does not need to be the sphincter at the end of the flow chart". Automate by creating a begin environment, for example create master models in solidworks for various product configs, identify internal(you) and...
  7. 121560

    GD&T part costing more

    I agree with Kenat; (1. The vendor didn’t understand GD&T. I’ve seen/heard of places that seem to charge an extra % or more for each Feature Control Frame. Basically if they see any FCF etc they increase the price, even if the tolerances are actually effectively ‘looser’.) the solution is...

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