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Thread: Linked belt

  1. #1
    Join Date
    Jul 2008
    Location
    near Warragul, Victoria
    Posts
    3,718

    Default Linked belt

    Just fitted a B \ 5L size linked belt on my Sheraton 9 lathe.

    The belt width measures around .650" it sits high in the pulley grooves
    I had a automotive style belt fitted which was a compromise, it was noisy and vibrated,
    The linked belt is quieter no doubt but dissapointingly it isn't completely vibration free.

    Been playing with speeds , the belt seems to whip up/down at all speeds.With use, it might become smoother.

  2. #2
    Join Date
    Jun 2007
    Location
    sydney ( st marys )
    Age
    64
    Posts
    4,887

    Default

    Might not be taught enough.

  3. #3
    Join Date
    Jul 2008
    Location
    near Warragul, Victoria
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    Default

    Quote Originally Posted by pipeclay View Post
    Might not be taught enough.
    Have tried tightening it but don't want to overdo it. It seems to be too wide.The pulley grooves have a strange step/ridge machined on one face.

  4. #4
    Join Date
    Sep 2012
    Location
    York, North Yorkshire UK
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    6,438

    Default

    Hi Guys,

    Could it be a wear ridge ? I've seen pulleys with a slightly raised area a few mm from the rim, presumably from a worn or too small a belt.
    Best Regards:
    Baron J.

  5. #5
    Join Date
    Aug 2000
    Location
    Perth
    Posts
    34

    Default

    I have just become the custodian of a fairly well used Sheraton 9. I haven't had a chance to put the rear drive back together yet and run it but the belt is a leather/fibre B section. It might take a day or to as weekdays are pretty crazy for me with work and kids but I can take some photos / measurements of the pulleys on mine if you want?
    As BaronJ has suggested maybe it's a wear ridge and if it's been run for a long time with the wrong section belt that may be the case. Maybe it's worth cutting a B section groove profile out of thin material and doing a comparison?

  6. #6
    Join Date
    Jul 2008
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    near Warragul, Victoria
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    Default thanks

    Pic of the ridges in the groove.They appear to be originally made like that s

    .IMG_20180918_230128.jpg

  7. #7
    Join Date
    Jun 2007
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    sydney ( st marys )
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    Default

    How close to .665" does the belt measure on the outer edge?

  8. #8
    Join Date
    Sep 2012
    Location
    York, North Yorkshire UK
    Posts
    6,438

    Default

    Hi Guys,

    Looking at that picture, I agree they look to be machined. Not at all looking like the wear marks that I referred to earlier.
    Best Regards:
    Baron J.

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