Estimating torque conveyor belt

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    Belt Conveyor Torque
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SUMMARY

The discussion focuses on estimating the torque required to turn a conveyor belt, considering factors such as the weight of objects on the belt, friction coefficients, and resistance in the drum axles. Key elements include the flexing and stretching of the belt and the friction between the belt and a steel table beneath it. The torque needed for movement is minimal when ignoring resistance, but real-world applications require accounting for uphill and downhill travel of objects on the belt. Accurate calculations must incorporate all frictional forces and mechanical resistances involved.

PREREQUISITES
  • Understanding of torque calculations in mechanical systems
  • Knowledge of friction coefficients and their impact on motion
  • Familiarity with conveyor belt mechanics and dynamics
  • Basic principles of static and kinetic friction
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  • Research "Calculating torque for conveyor systems" to understand specific formulas
  • Explore "Friction coefficients for various materials" to refine calculations
  • Learn about "Mechanical resistance in drum axles" to assess additional torque requirements
  • Investigate "Belt flexing and stretching effects on torque" for more accurate estimations
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Engineers, mechanical designers, and anyone involved in the design and optimization of conveyor systems will benefit from this discussion.

maxtor101
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Hi all, was wondering could anyone give me a hand with this calculation.

So basically I want to estimate the torque required to turn a conveyor belt. I have drawn a diagram of what it looks like. I know the weight of the objects on the belt and their respective friction coefficients. Also the friction coefficient for the drum against the belt.

Thanks
 

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Static friction between the objects and the belt and between the belt and the drums is not the issue. These do not absorb any of the work done. With no other resistance, the torque needed to achieve movement would be vanishingly small.
The relevant questions are the flexing/stretching of the belt and resistance in the drum axles. E.g. as an object approaches the second drum it travels slightly uphill. This may be partly compensated by another object having just passed over the first drum, traveling slightly downhill.
 
Apologies, I forgot to include in the diagram that there is a steel table under the belt, on which the items sit. So there would be friction between the belt and this table, and it's resulting force will be proportional to the weight of the objects.
How would I equate all this to the torque required to turn the drum?
 

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