Finding Load on Pulley Shafts with Belt Drives

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    Belt Load Pulley
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To determine the shaft load on pulleys in a belt drive system with three or four pulleys, the discussion emphasizes the need for clarity in the setup and calculations. The basic approach involves using mechanics to calculate forces in the belt, applying equations related to tension and friction. Participants suggest that understanding the relationships between the forces acting on the pulleys is crucial for accurate calculations. Additionally, references to textbooks and belt handbooks are sought for further guidance. The conversation highlights the complexity of the problem and the importance of clear diagrams for effective communication.
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Dear all,

My objective is to find shaft load in which belt pulley is mounted and load being transmitted via belt.
In the case of two pulley belt drives ,the load to the pulley mounting shafts calculation can found by getting guidance in almost all textbooks(T1 &T2 relations). Where in my case 3 as well as 4 pulleys and one single belt transmit the power. Now i need to find each pulley shaft load what is the procedure to be followed?Any belt hand books dealing this?

Ref.books,ref.materials,sites are welcome

Thanks
prakash
 
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Your question isn't very clear. Can you put up a drawing?

Do you mean a shaft with one pulley getting the power & transferring it to other shafts through other pulleys on the same shaft?
 
For ur clarification fig is attached.

Thank u
Prakash
 

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  • belt pulley.PNG
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Sorry, the question still isn't very clear to me.

I assume you are trying to calculate the forces in the belt. You can calculate it using simple mechanics

^{F}1-^{F}2 = \frac{T}{r}

\frac{^{F}1}{{F}2}=_{e}\mu\theta.

Duh, sorry can't get the latex going:mad:

Anyways, there are 3 pulleys, so three unknown forces & three equations to solve. Good luck.:smile:
 
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