starting clamp question

Discussion in 'Stringing Techniques / Stringing Machines' started by jacktyler627, Oct 29, 2012.

  1. jacktyler627

    jacktyler627 New User

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    When stringing a slick string like RPM blast, my starting clamp won't hold when starting the crosses.

    Its not a big deal since I can just use a starting knot but I was wondering if my clamp is just somewhat shot (yes it was cleaned before so that's not the issue) or if that is customary for a slick poly

    thanks guys
     
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  2. Roger Wawrinka

    Roger Wawrinka Professional

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    Ummm what kind of starting clamp is it? Also do you put the string deep into the jaws of the starting clamp?



    R.W
     
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  3. Irvin

    Irvin G.O.A.T.

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    It should hold without slipping. I would say the clamp is dirty
     
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  4. jim e

    jim e Hall of Fame

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    Most starting clamps you can remove the springs to make cleaning the clamp easier. Use alcohol and clean well, as majority of times dirty clamp would be the problem.
     
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  5. Irvin

    Irvin G.O.A.T.

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    I'll third that. Rather than using alcohol and cotton try getting a soft bristle brush like one they use one a dental to go between teeth. I have never used one of those but I think I have seen them. I will try to google for you. I don't think a tooth brush will get down in the bottom of the clamp at a good angle to clean the flat surfaces.

    EDIT: Here you go an inter-dental brush http://www.drmcdougall.com/misc/2010nl/jan/dental.htm
     
    Last edited: Oct 30, 2012
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  6. jim e

    jim e Hall of Fame

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    A white shoelace with alcohol works well. I use a white one so you can tell if shoelace gets dirty, plus the shoelace will not leave fibers on clamp.
    Taking the springs out allows to get a little more to the surface, but it still opens only so wide.Just take your time and be sure it is clean.Its easy to keep machines clamps clean and overlook the starting clamp.
     
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  7. anubis

    anubis Hall of Fame

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    Just use a starting knot? that's what I do...
     
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  8. Roger Wawrinka

    Roger Wawrinka Professional

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    Starting knots are fine and all but after two or three times your tie of grommet is so mushroomed. That's why I only use a starting clamp to start crosses.

    1. you can use a finishing knot, which in my opinion looks a lot cleaner then a starting knot.

    2. You can tie-off on that grommet and there is hardly any mushrooming at all.


    R.W
     
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  9. Irvin

    Irvin G.O.A.T.

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    I agree Jim but the shoe lace sliding over the surface will not get down into the crevices. I know you are a dentist, would you suggest someone using a shore lace to clean their teeth? Cleaning your clamps with a shoe lace works well but if you take the clamp apart and use a tooth brush it works better getting down in the crevices to clean out build up.

    I took my linear gripper apart once to clean it. I used everything I could to clean it and thought I had it clean. When I took it apart I could see mill marks with build up in the groves of the mill marks. A tooth brush cleaned them out in no time and my slipping problem was resolved.
     
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  10. jim e

    jim e Hall of Fame

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    Even with the springs taken off a starting clamp, you can still only open them so wide to clean, that is unless you take the pin out as well and then have total access to the clamps surface, but I never did do that as I was not sure if that pin just slides out, or if once the pin was out, if it would have chance of working out on its own once out.

    I have taken the plates on my linnear tension gripper apart as that was no big deal, and they did clean up nice with toothbrush and alcohol.I just never took the pin off on a starting clamp, have you Irvin?
     
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  11. jim e

    jim e Hall of Fame

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    You know, if you have a machine with fixed clamps, you can use a finishing knot without a starting clamp.
    you 1st weave both top 2 cross strings, then set anchor clamp (machines fixed clamp) on 2nd cross string furthest away from tension head.
    release tension, and now tension the 1st cross string by itself, clamp and tie off with finishing knot.
    Now weave 3rd cross, now tension 2nd cross and remove that anchor clamp, reclamp in normal position, and continue stringing as normal.
    This works real well, you are not pulling against just a starting clamp,and no need to worry about banging into it later in the stringing process.
    You are not pulling against a knot tied to another string or against a string that goes around 2 sharp bends that can be stressful with some thin multi strings or nat. gut, so all this is eliminated.

    I submitted this to the USRSA a few years back, and they published it in RSI magazine, so it is an acceptable way to start cross strings.
     
    Last edited: Oct 30, 2012
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  12. Irvin

    Irvin G.O.A.T.

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    This may not be a USRSA accepted method but I have been using it a lot and it will work with flying clamps or fixed clamps. Run in the first two crosses. Put your starting clamp on the top cross outside the frame and pull tension on the second cross and clamp. String in all you crosses and tie off at the bottom go back up to the top and tension the top cross and tie off.

    Because you have all the friction in the mains on the top two strings chances are your starting clamp will not slip. If you pull on the top cross against the starting clamp there is more pressure on the string. When I do it this way the string is in the top portion of the starting clamp putting less of a clamping pressure on the string.
     
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  13. Roger Wawrinka

    Roger Wawrinka Professional

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    Nice Jim e!:)
     
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  14. jacktyler627

    jacktyler627 New User

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    the clamp has been cleaned (taken apart with alcohol and a toothbrush) so that is not the issue. Ive tried adjusting the depth as to set it with no success. I do have fixed clamps so ill try the method posted.
    thanks guys
     
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  15. Irvin

    Irvin G.O.A.T.

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    Some clamps have rough pads on the Inside to grip the strings. By chance did one of them fall off?
     
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  16. gilly2571

    gilly2571 Guest

    Was thinking these would work as well. Haven't gotten them yet but will today and let you know when I do.

    http://[URL="http://www.harborfreight.com/5-piece-airbrush-cleaning-brushes-68155.html"]www.harborfreight.com/5-piece-airbrush-cleaning-brushes-68155.html[/URL]
     
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  17. gilly2571

    gilly2571 Guest

    #17
  18. Irvin

    Irvin G.O.A.T.

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  19. heartattack

    heartattack Semi-Pro

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    gamma x-2 drop weight

    just order my first stringer machine. im excited to do my first string job on my own racquet. ive been watching some video on the tube. they are good instructional video but they don't focus theyre video upon tying a knot, clamping the string, adjusting the clamp, and starting clamp. is there someone out there could help me find a good instructional video. thanks! happy halloween everyone!
     
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  20. cluckcluck

    cluckcluck Hall of Fame

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    Here's pretty much everything you need to see: http://www.youtube.com/user/YULitle
     
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  21. heartattack

    heartattack Semi-Pro

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    thanks cluck cluck. gonna watch it...
     
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