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  • belt drives

    zaveri

    zaveri

    @zaveri-5TD6Sk
    Updated: Oct 22, 2024
    Views: 941
    hey guys tell me how to determine the following:


    consider two v-pulleys connected by a v belt. the speed at which the driving pulley rotates is known . how do we determine the torque on the driver pulley as well as the speed of the driven pulley and the torque transmitted to the driven pulley by the driver.

    we know : the diameters of both the pulleys

    the angle of slip of the belt
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Replies

  • Ramani Aswath

    Member • Mar 10, 2012

    zaveri
    hey guys tell me how to determine the following:
    consider two v-pulleys connected by a v belt. the speed at which the driving pulley rotates is known . how do we determine the torque on the driver pulley as well as the speed of the driven pulley and the torque transmitted to the driven pulley by the driver. we know : the diameters of both the pulleys
    the angle of slip of the belt
    This may help:
    #-Link-Snipped-#
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  • PraveenKumar Purushothaman

    Member • Mar 10, 2012

    bioramani
    server trouble. Multiple posts.
    Yeah, even I faced one!!! 😔 #-Link-Snipped-#, please look into this...
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  • Kaustubh Katdare

    Administrator • Mar 10, 2012

    Problem fixed. We're performing server operations that result into lag. Sorry for the inconvenience.
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  • PraveenKumar Purushothaman

    Member • Mar 10, 2012

    The_Big_K
    Problem fixed. We're performing server operations that result into lag. Sorry for the inconvenience.
    Is it just me? The quoted post says it is #2, while there are more than 3 posts above!!!
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  • Kaustubh Katdare

    Administrator • Mar 10, 2012

    Praveen-Kumar
    Is it just me? The quoted post says it is #2, while there are more than 3 posts above!!!
    I deleted the posts, that's why.
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  • PraveenKumar Purushothaman

    Member • Mar 10, 2012

    The_Big_K
    I deleted the posts, that's why.
    Hey, wait... This is an awesome thread... Goes in the number of:
    #1
    #1
    #1
    #2
    #3
    #4
    😀
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  • Kaustubh Katdare

    Administrator • Mar 10, 2012

    #-Link-Snipped-# : You are spamming this thread. Stick to the topic, please.
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  • CE Designer

    Member • Mar 12, 2012

    To determine the torque on the driver pulley you must first find the tensions T1 and T2 on the belt.
    Torque = (T1-T2)*(Radius of the driver pulley)
    To determine Speed of the driven:
    Use the ratio: Speed of Driver * Radius of Driver = Speed of Driven * Radius of Driven
    i.e. v1r1 = v2r2
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  • zaveri

    Member • Mar 12, 2012

    CE Designer
    To determine the torque on the driver pulley you must first find the tensions T1 and T2 on the belt.
    Torque = (T1-T2)*(Radius of the driver pulley)
    To determine Speed of the driven:
    Use the ratio: Speed of Driver * Radius of Driver = Speed of Driven * Radius of Driven
    i.e. v1r1 = v2r2
    thanx a lot dude, now can u tell me how to determine the belt tensions
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  • CE Designer

    Member • Mar 12, 2012

    e^(u)(theta) = (T1-Tc)/(T2-Tc)
    where T1 is the maximum tension which the belt is specified for
    u = coefficient of friction
    Tc = mv^2
    m = mass of the belt
    v =RPM*(2pie/60)*radius of driver

    You can now find T2 knowing T1 and Tc.
    be sure to use standard units and theta is in radians
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  • zaveri

    Member • Mar 12, 2012

    CE Designer
    You can now find T2 knowing T1 and Tc.
    be sure to use standard units and theta is in radians
    thanx again. but the problem is i do not know T1 either . now what to do
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  • CE Designer

    Member • Mar 12, 2012

    I would suggest you search the manufacturer's specifications. Call your supplier or visit their website.
    I am not sure but check on the belt itself to see if there is any indication there.
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