The diameter of two pulleys are (0.3m)and (0.2m), center distance (1m).if we use open belt drive. Determine: 1- the length of V-belt (2ß  = 60°). 2- the contact angle between belt and smaller pulley. 3- the horse power, if the smaller pulley turn with speed (400r.p.m) and the tension force in tight side (T1=900N), coefficient of friction ų=0.3 4- the speed of large pulley.

Question

PROBLEM

The diameter of two pulleys are (0.3m)and (0.2m),

center distance (1m).if we use open belt drive.

Determine:

1- the length of V-belt (2ß  = 60°).

2- the contact angle between belt and smaller pulley.

3- the horse power, if the smaller pulley turn with

speed (400r.p.m) and the tension force in

tight side (T1=900N), coefficient of friction ų=0.3

4- the speed of large pulley.

 

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