Calculating Belt Pull, Drum Torque, Motor Power & Speed

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Homework Help Overview

The discussion revolves around calculating various parameters related to a flat top conveyor belt system, including belt pull, drum torque, motor power, and speed. The problem provides specific details such as belt centers, required speed, drum diameter, belt mass, load, and estimated friction.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to calculate force, speed, and power based on provided equations and parameters. Some participants question the meaning of "belt centres" and the specifics of the friction estimation, particularly what surface the friction is referring to.

Discussion Status

The discussion is ongoing, with participants seeking clarification on the system setup and parameters. Some guidance has been offered regarding the need for a figure to better understand the context, but no consensus has been reached on the assumptions or definitions involved.

Contextual Notes

Participants note the absence of a figure to illustrate the conveyor system, which may hinder understanding. There is also uncertainty regarding the friction context, specifically whether it pertains to the belt sliding on a surface between the drums.

propsboy
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Homework Statement


Calculate the Belt pull, drum torque, motor power and speed required to drive a flat top belt given the following information: Belt centres are 4.0m Required speed is 18m/min Drum diameter is 300mm Belt mass is 3.0kg/m Belt is fully loaded with 32kg boxes 0.8m long Belt friction is estimated at 0.34

Homework Equations


F=mgu
t=rF
N=2pi/60 N T

The Attempt at a Solution


I got an
F= 186.78n
N = 19.1rpm
P = 56 watts
 
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Thanks if anyone could please help me with this?
 
A figure would probably help, so we can be clear as to what system you are interested in.
 
Hi sorry, unfortunately i don't have a figure of it, it is just a normal flat conveyor belt with drums at each end
 
propsboy said:
Belt centres are 4.0m
What does this mean?
propsboy said:
Belt friction is estimated at 0.34
Friction between the belt and what? Is it sliding along a flat horizontal surface between the drums?
 

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