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  1. Siva Mareesan

    Refinement of tolerance

    Chez311, Thanks for your reply. I understand that refinemet to size tolerance only apply to form. Here you higlighted that profile is rarely used as a refinement to size of tolerance. I couldnt understand one thing, as per my example the flatness of 0.25 can lie any where between the 0.6 size...
  2. Siva Mareesan

    Refinement of tolerance

    Is that a rule in ASME Y14.5 2018 standard stating that the "Geometric tolerance should always be refinement of the size tolerance" which applies to all FORM, ORIENTATION , LOCATION , RUNOUT & PROFILE. Here in the attachment, The Flatness Geometric tolerance is 0.25 which is less than size...
  3. Siva Mareesan

    Two questions regarding Pitch Circle Diameter in Gear

    Thank you all for your advise. Thank you Belanger for your ASME reference which I can have as a proof to show PCD as a datum feature & also to apply geometric controls to it. It was a useful conversation . Thank you all once again. Regards Siva Mareesan
  4. Siva Mareesan

    Two questions regarding Pitch Circle Diameter in Gear

    hi Dave, Since PCD is a imaginary surface, Do ASME supports assigning PCD as a datum Feature.
  5. Siva Mareesan

    Two questions regarding Pitch Circle Diameter in Gear

    According to ASME standard 1. Can a PCD be used as a datum ? 2. Can we apply geometric controls to PCD of a gear tooth. Don't get confused of what kind of gear & its application. Its a general question.
  6. Siva Mareesan

    Need balloon if there is only one item in BOM table?

    Hi Jassco, Thanks for your answer :) It was a healthy conversation. Thanks Siva M
  7. Siva Mareesan

    Need balloon if there is only one item in BOM table?

    Hi hatsegal, Thanks for your reply. Its just a QR Code & Retail label. Regarding the label position, it is located in the part drawing with just a Rectangle box showing the position of the label in the part. The labels are not shown in drawing. I agree with Jassco reply " Not only you need a...
  8. Siva Mareesan

    Need balloon if there is only one item in BOM table?

    Hi Jassco, Thanks for your reply. Is there any ASME standard regarding this?. I need some written standards to circulate this to my team. Kindly snap a page or paragraph that speaks about this or at least help me with the ASME standard name . Thanks Siva M
  9. Siva Mareesan

    Need balloon if there is only one item in BOM table?

    Thanks for your reply Jason, It is a assembly drawing which includes a part and 2 labels. So totally 3 items in the BOM. Since the label is purchased outside, it is not shown in drawing. So my question here is , do I need to show balloon for the part ? Is there any ASME standard which says...
  10. Siva Mareesan

    Need balloon if there is only one item in BOM table?

    Do we need to show balloon for only one item present in BOM table in the drawing as per ASME standard ? Other items are label & they cannot be shown in drawing.

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