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Is this sketch correct?

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  1. Nov 29, 2016 #1
  2. jcsd
  3. Nov 29, 2016 #2

    BvU

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    In the right hand side view, what is the length of the 13 mm diam hole ?
     
  4. Nov 29, 2016 #3
    It is a passthrough hole, goes all the way down
     
  5. Nov 29, 2016 #4

    Nidum

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  6. Nov 29, 2016 #5

    Nidum

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    (a) Same question asked another way - what is thickness of metal it is in ?

    (b) Should end view have one more solid line shown ?
     
  7. Nov 29, 2016 #6
    The thickness is 12. Which is the end view? The horizontal view (the lower one?) Which is this solid line?
     
  8. Nov 29, 2016 #7

    Nidum

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    (c) Are more hidden lines or another view needed to completely describe the object ?
     
  9. Nov 29, 2016 #8
    The book has just given the first image.
     
  10. Nov 29, 2016 #9

    Nidum

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    Top right hand view in your drawing - the square looking one .
     
  11. Nov 29, 2016 #10
    Yes, the horizontal one. I corrected it. Is there any other thing wrong?
     
  12. Nov 29, 2016 #11

    Nidum

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    Optionally you could put some more hidden lines on the views to show the half round scallop . It is a judgement call as to how many hidden lines to show on a drawing - sometimes they add clarity and sometimes they are just needless clutter . I'll leave that one to you .
     
  13. Nov 29, 2016 #12
    What hidden line could I add for example (I want's sure for that either)
     
  14. Nov 29, 2016 #13

    BvU

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    So is the hole 35 mm long as your drawing top right suggests, or is it 12 mm long as in your drawing top left and in the book drawing ?​
     
  15. Nov 29, 2016 #14
    I corrected it. I put the interrupted line till the first solid line and I thought to put an interrupted line for the scallop.
     
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