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Thread: Ball attachment for surface gage for checking squareness

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    Harvey Melvin Richards's Tools

    Ball attachment for surface gage for checking squareness

    One way to check an item for square is to use a surface gage. You use the ball end of the vertical rod as your lower reference and an indicator as the upper reference and a known square surface as the datum. My problem with this method is that it makes the fine adjust on the surface gage difficult to use. So I took a hard drive magnet, a chunk of aluminum and a small tooling ball and came up with this.








  2. The Following 2 Users Say Thank You to Harvey Melvin Richards For This Useful Post:

    Jon (12-18-2012), kbalch (12-18-2012)

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    Jon
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    Very interesting! I'm going to have Ken take a closer look at this tomorrow; we should have it added to the database by then.

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    how did you get the finish on the base? That looks cool!

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    Harvey Melvin Richards's Tools
    Quote Originally Posted by LORDDiESEL View Post
    how did you get the finish on the base? That looks cool!
    The base came finished that way. The finish is from case hardening. I have a lot of older tools that have this finish, but I never see it on newer tools.

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    Jon
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    Thanks Harvey Melvin Richards! This one has been added to our Measuring and Marking category, and of course to your homemade tools page: Harvey Melvin Richards's Homemade Tools. Your receipt:


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    I just love the finish on the base. Glad I found this two year old thread!

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    Harvey Melvin Richards (02-22-2015)

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    Very creative, sir!


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  10. The Following User Says Thank You to DIYer For This Useful Post:

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