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Thread: Link belts

  1. #1
    Join Date
    Jul 1999
    Location
    St Ives, Sydney,NSW,Australia
    Posts
    22

    Default Link belts

    I believe that the link style belts are much more effective than using the regular variety in eliminating vibrations from the motor.

    Does any one know where I can buy them from and are they very expensive?

    Thanks

    Warren

  2. #2
    Join Date
    Feb 2005
    Location
    Melbourne, Australia
    Age
    46
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    83

    Default

    Funny you should ask. I just inquired today about these very things. Powertwist link belt made by Fenner available at Blackwoods.

    $18.90 p/foot .
    I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.
    Albert Einstein

  3. #3
    Join Date
    Oct 2001
    Location
    Warwick, QLD
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    45
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    1,165

    Default

    Warren, I'm not sure of the price but I know the Dean did a review of them on www.onlinetoolreviews.com.
    Might be some info of suppliers there?
    Have a nice day - Cheers

  4. #4
    Join Date
    Jan 2006
    Location
    Blue Mountains NSW Australia
    Posts
    408

    Default

    Any transmission or bearing supply shop should be able to order in for you. Blackwoods are great for getting what you want, at the latest by the next day...... but boy do you pay for it $$$$$$. Gates make them as well as Fenner. You may want to look at getting an endless belt as well. I upgraded my flat belt on my lathe with and endless, and it cut out all vibration from that end of things. I think it is Gates, and it cost me $21.50 + GST, about a month ago.

  5. #5
    Join Date
    Oct 2006
    Location
    Tallahassee FL USA
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    82
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    Default

    For a benchmark comparison, Grizzly has "Power Twist" v-belts: H9815, 0.5" x 4', $29.95; H9816, 0.375" x 5', $29.95; H9817, 0.625" x 6', $41.95. Imperial dimensions, US $. For US lower 48, about $9 S&H; additional charges for international or AK & HI. Current (2007) catalog.

    Joe
    Of course truth is stranger than fiction.
    Fiction has to make sense. - Mark Twain

  6. #6
    Join Date
    Dec 2006
    Location
    kalgoolie
    Posts
    8

    Default

    i have used a prodct called nutlink t link belt, it cost about $50.00 per metre, it has a metal pin wich makes it alot easier to remove a link for adjustments

  7. #7
    Join Date
    Jan 2004
    Location
    Towradgi
    Posts
    95

    Default

    I am looking at getting a link belt, but what size? I have a chiwanese 12" contractor saw with one single V belt, approx 1/2" width. So is that Size "A"?



    I found thiswww.engineersedge.com/xbelt_size.htm
    Last edited by Pat; 23rd Mar 2007 at 04:36 AM. Reason: Gumbied!
    Pat
    Work is a necessary evil to be avoided. Mark Twain

  8. #8
    Join Date
    Aug 2005
    Location
    kiama
    Posts
    53

    Default

    Look it up on ebay (USA), I bought 4 feet of "A" belt for about $24 plus $6 to post had it in 10 days and yes it turned my jointer into a purring machane from a jumpy vibrating one.

    The US dollar is about 80 cents today so it will be cheaper than when I bought mine.

  9. #9
    Join Date
    Dec 2006
    Location
    kalgoolie
    Posts
    8

    Default

    i know the link belt is available in a "b" and "a" section

  10. #10
    Join Date
    Jan 2004
    Location
    Towradgi
    Posts
    95

    Default

    Looks like I made an error with the link, (much like my woodworking, the simple errors are the most annoying), so try this www.engineersedge.com/xbelt_size.htm or if that does not work, just copy and paste the link into the address bar
    Pat
    Work is a necessary evil to be avoided. Mark Twain

  11. #11
    Join Date
    Aug 2005
    Location
    kiama
    Posts
    53

    Default

    Here is a link to the dealer I bought my link belt from great service


    http://cgi.ebay.com/Fenner-Drives-Po...QQcmdZViewItem

    "A" is 1/2 inch wide "B" is 5/8 wide belt they are the most common sizes

  12. #12
    Join Date
    Nov 2006
    Location
    King Island, Australia
    Posts
    16

    Default

    The issue with vibration is interesting. The "link belts" are made specifically for situations where the pulleys (driver & driven) are fixed and cannot be adjusted to tighten the belt. I can only assume that the V belts that are causing the vibration are of the cheaper (chinese?) variety. A properly constructed V belt should not cause the machine vibrate.

    Donald

  13. #13
    Join Date
    Jan 2005
    Location
    Melbourne
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    65
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    4,712

    Default

    Quote Originally Posted by fraserbluff View Post
    A properly constructed V belt should not cause the machine vibrate.
    That was my initial thinking too, going back about 8-9 years. Since then, the link belts have been reported to reduce vibration almost universally, even on high quality machines. This is generally credited to the short links removing the 'V' belts tendency to get a 'memory' from sitting on and around pulleys. I suggest they are also better at allowing a little misalignment between the pulleys too, as each link can offset a little to allow for it.

  14. #14
    Join Date
    Oct 2006
    Location
    Tallahassee FL USA
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    82
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    Default

    The Grizzly catalog I mentioned earlier (post #5) also indicates profiles of "A" for the 1/2", "3L" for the 3/8", and "B" for the 5/8"; the 3L profile is shallow, light duty. Although pushed for reduction of vibration, Grizzly also mentions their use as a quick fix for broken belts. Not mentioned there, or here, is that they can facilitate belt replacement without dismantling the machinery. Many installations require removal of the shaft (e.g. some lathe headstock spindles and Grizzly's own bench mandrels, captured between bearing blocks) for belt replacement.

    Joe
    Of course truth is stranger than fiction.
    Fiction has to make sense. - Mark Twain

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