Finding Load on Pulley Shafts with Belt Drives

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SUMMARY

The discussion focuses on calculating the load on pulley shafts in a belt drive system with three or four pulleys. The user, Prakash, seeks guidance on determining the shaft load transmitted via the belt, referencing T1 and T2 relations commonly found in textbooks. The calculation involves using mechanics principles to derive forces acting on the belt, specifically through equations relating to tension and friction. Participants suggest that multiple equations will be necessary to solve for the unknown forces acting on each pulley.

PREREQUISITES
  • Understanding of basic mechanics principles, including force and tension calculations
  • Familiarity with belt drive systems and pulley configurations
  • Knowledge of friction coefficients and their application in mechanical systems
  • Ability to interpret and solve equations involving multiple variables
NEXT STEPS
  • Research "Belt Drive Design and Analysis" for comprehensive guidelines
  • Study "Mechanical Advantage in Pulley Systems" to understand force distribution
  • Learn about "Friction in Belt Drives" to apply friction coefficients accurately
  • Explore "Solving Systems of Equations" for handling multiple unknowns in mechanics
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Mechanical engineers, students studying mechanical systems, and professionals involved in designing or analyzing belt drive mechanisms will benefit from this discussion.

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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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