Evaluate power transmitted by belt, Mechanical Engineering

Evaluate power transmitted by belt. 

Sol: Let T1  = Tension in tight side of the belt

T2 = Tension in slack side of the belt

V = Velocity of belt in m/sec. 

= Π DN/60 m/sec, D is in meter and N is in RPM P = Maximum power transmitted by belt drive

The effective tension or force acting at circumference of driven pulley is difference between the two tensions (that is T1 - T2)

Effective driving force = (T1-T2)

Work done per second = Force X Velocity = F X V N.m

= (T1-T2)X V N.m Power Transmitted  = (T1-T2).V/1000 Kw

(Here T1  and T2  are in Newton and V is in m/sec)

Note:

1. Torque exerted on driving pulley = (T1-T2).R1

Where R1  = radius of driving pulley

2. Torque exerted on driven pulley   = (T1-T2).R2

Where R2  = radius of driven pulley

 

Posted Date: 10/18/2012 3:00:47 AM | Location : United States







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