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Thread: Transform a surface gauge into a squareness comparator

  1. #1
    Supporting Member shopandmath's Avatar
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    shopandmath's Tools

    Transform a surface gauge into a squareness comparator

    Transform a surface gauge into a squareness comparator
    All of the videos I make are intended for apprentices and people that are new to machining
    I am always surprised when meet a certified tradesman that does not know how to do this
    In this video I will demonstrate Checking a block to see if it is square
    A squareness comparator is an essential tool in any machine shop.

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  2. The Following 6 Users Say Thank You to shopandmath For This Useful Post:

    DIYSwede (11-22-2020), H.L (11-21-2020), jkahn (11-21-2020), Jon (Today), markchadwick (11-21-2020), olderdan (11-20-2020)

  3. #2

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    Cosine error...
    I think you mean within 10 deg of the surface being measured, not the body of the indicator.
    Tip angle referenced to the indicator is irrelevant, that is why they are adjustable.
    I may have missed it but the part HAS to be parallel to check this way.
    Good video though.

  4. The Following User Says Thank You to Moldyjim For This Useful Post:

    shopandmath (11-21-2020)

  5. #3
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    Thanks shopandmath! We've added your Squareness Comparator to our Measuring and Marking category,
    as well as to your builder page: shopandmath's Homemade Tools. Your receipt:




  6. #4
    Supporting Member shopandmath's Avatar
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    shopandmath's Tools
    you are correct
    I am going to edit the video and re-post in a week
    and add the sides must be parallel before checking squareness
    thank you
    Ray


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