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Home made caliper

Discussion in 'Setup & Repair [DB]' started by rgarcia26, Feb 14, 2011.


  1. rgarcia26

    rgarcia26

    Jun 9, 2008
    Miami Florida
    Hi guys I am trying to make a home made caliper and I came out with a simple design.. it can use magnets or springs… if somebody got a simpler design???


    IMAG0086_1297714879810.gif


    IMAG0085_1297714852052.gif
     
  2. George700DL

    George700DL

    Jan 9, 2009
    Maryland
    I do - I used a simple rubber band to return the needle back to "0.0". There are many ways to do this, but the biggest problem I found is: the jaws of the whole thing flexed too much to be accurate. I made the "U" from 3/4" plywood, and that wasn't strong enough. At the time I made my bass I didn't care too much, because I knew that the final scraping will be done based on feel, flexing, etc, and the specific measurements were just a starting point.

    But if I wanted to make a similar thickness gauge now, I would probably look at steel frame, or something that flexes the least.

    George
     
  3. George700DL

    George700DL

    Jan 9, 2009
    Maryland
  4. rgarcia26

    rgarcia26

    Jun 9, 2008
    Miami Florida
  5. rgarcia26

    rgarcia26

    Jun 9, 2008
    Miami Florida
  6. rgarcia26

    rgarcia26

    Jun 9, 2008
    Miami Florida
    What about a frame like this one that I made for a couple of home made deep C clamps

    100_4500.jpg

    100_4497.jpg
     
  7. screaminglucy

    screaminglucy

    Jul 20, 2009
    TX, USA
  8. tstone

    tstone

    Nov 16, 2010
    San Francisco, CA
  9. derft

    derft

    Aug 10, 2010
    Burleson, Texas
    Like this. Hope it uploaded.
     

    Attached Files:

  10. rgarcia26

    rgarcia26

    Jun 9, 2008
    Miami Florida
    That's great I was looking for one I couldn't find anything bellow $100
     
  11. rgarcia26

    rgarcia26

    Jun 9, 2008
    Miami Florida
    Exactly like that :D
     
  12. RCWilliams

    RCWilliams Commercial User

    Apr 23, 2007
    Merriam Kansas (Kansas City)
    owner RC Williams Co. LLC
    watch the sales at Harbor freight and you can pick up a digital head with a full inch of opeing so it is easy to slip over the edge of the plate. they are also bi lingual metric and sae
     
  13. tstone

    tstone

    Nov 16, 2010
    San Francisco, CA
    That looks terrific. The only thing I might change would be to orient the dial indicator so that when you are holding the frame by the middle of the 'C' frame. the dial is facing you.
     
  14. Matthew Tucker

    Matthew Tucker Commercial User

    Aug 21, 2002
    Sydney, Australia
    Owner: Bresque Basses, Sydney Basses and Cellos
  15. tstone

    tstone

    Nov 16, 2010
    San Francisco, CA
  16. rgarcia26

    rgarcia26

    Jun 9, 2008
    Miami Florida
    Correct, well Mat you are pretty familiar with the project that I am working right now… I think I need one of this for the Sound post patch…
     
  17. rgarcia26

    rgarcia26

    Jun 9, 2008
    Miami Florida
  18. rgarcia26

    rgarcia26

    Jun 9, 2008
    Miami Florida
    That's MDF right? how it is work?
     
  19. derft

    derft

    Aug 10, 2010
    Burleson, Texas
    Yes it is MDF. Works fine. I made it for Mandolin tops and backs. Its not deep enough for a bass.
     
  20. Primary

    Primary TB Assistant

    Here are some related products that TB members are talking about. Clicking on a product will take you to TB’s partner, Primary, where you can find links to TB discussions about these products.

     
    Mar 8, 2021

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