Shrinking Frame Phenomenon

Discussion in 'Badminton Stringing Techniques & Tools' started by charzord, May 5, 2007.

  1. charzord

    charzord Regular Member

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    I have been stringing for a while now, and recently restrung two rackets (one cause it broke, and the other becuase I was feeling rather giddy that day :D ). Anyways, this problem has always been lingering at the back of my head, and I must ask it. Is it normal for the racket head to shrink after stringing?

    The shrinkage is about one wide of the frame, so when I put it to an unstrung frame, you can see that the unstrung frame is about halfe the width of a frame longer (about 4 mm). Width wise, about one quater or less of a frame (2mm maybe?). The shrinkage is very proportional to the iso-shape of the racket head, so it looks perfectly normal.

    The shrinkage is not significant, and the frmae pops back after the strings are removed, but still, does this happen to you guys?
     
  2. Pete LSD

    Pete LSD Regular Member

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    What type of stringing machine do you have? And show us photos of the setup. Thanks!
     
  3. charzord

    charzord Regular Member

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    Klippermate m140. I think the setup is pretty self explanatory. Just clamp as hard as you can on neck and head, tighten the clamps every 2-4 strings and string away =)
     
  4. aL_vin

    aL_vin Regular Member

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    Should be fine, since if you add 2 more pounds to the crosses, the width of the racquet head shape will be pulled in slightly more than the length.

    The frame "shrinks" a bit as there is tension pulling it.
     
  5. charzord

    charzord Regular Member

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    Thats what I thought too. It should be natural for the material to compress a bit after adding on so much more tension?
     
  6. utopia_imminent

    utopia_imminent Regular Member

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    shrinkage should be alright unless the force or tension applied is uneven such that the racket doesn't look uniformed.
     
  7. DinkAlot

    DinkAlot dcbadminton
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    Ideally the racket frame should be the same after stringing. After I string and compare my strung racket to the same model, unstrung, it's nearly identical: the way it should be. If you are off a bit 1-2mm, not a big deal but if more, at higher tension, it could be a concern.
     
  8. silentheart

    silentheart Regular Member

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    1) Have you tighten all 4 wing nuts enough?
    2) Have you move the post with holding pads to the right distance?

    To test if the wing nuts are secure, try to move the post back and forwth. If it swing back and forwth, it is not tight enough.
     
  9. Pete LSD

    Pete LSD Regular Member

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    I agree with Master NGP. As long as the width narrowing is not more than 2 mm per side, your racket should be fine. I am more worried about the length shortening . . .
     
  10. cooler

    cooler Regular Member

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    I'm sure you would:eek: :D :p :cool:
     
  11. silentheart

    silentheart Regular Member

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    Height or something else???:confused::eek::rolleyes::D
     
  12. Pete LSD

    Pete LSD Regular Member

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    I mean the length of the frame :D :p ;).
     
  13. silentheart

    silentheart Regular Member

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    Oh, OK! Yoy had me worried that you might need some blue pills.
     
  14. Pete LSD

    Pete LSD Regular Member

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    Well, CD6 needs it coz of his COGless experimentation.

     

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