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yashwanths@webbindia.com
Participant

Join Date: Sep 2008
Posts: 4

hp calculation for eccentric lift

09/09/2008 8:02 AM

Hello all,

Can anyone please send me the procedure for calculating the motor hp for the below stated application plz

Arrangement consists of 4 eccentric rollers representing a rectangle 2 rollers connectet to shaft at both ends.

To the center of shafts i.e. parallel to the axis of shafts is the drive shaft connecting thru timing pulley n belts.

arrangement has to lift a load of 2500kg n to a height of about 80 mm

so plz give me solution how to go about it
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Anonymous Poster
#1

Re: hp calculation for eccentric lift

09/10/2008 12:20 AM

I can't quite picture what you mean in my mind -

Can you attach a drawing/sketch of this system?
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yashwanths@webbindia.com
Participant

Join Date: Sep 2008
Posts: 4
#2
In reply to #1

Re: hp calculation for eccentric lift

09/10/2008 12:49 AM

i have a pdf file i dnt know how to attach pls let me know
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yashwanths@webbindia.com
Participant

Join Date: Sep 2008
Posts: 4
#3
In reply to #2

Re: hp calculation for eccentric lift

09/10/2008 2:22 AM
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suresh sharma
Guru

Join Date: Dec 2007
Location: Mumbai, India
Posts: 1983
Good Answers: 25
#4
In reply to #3

Re: hp calculation for eccentric lift

09/10/2008 8:08 AM

For Hoist/Crane motor H.P calculation I have following formula:-

Min.KW=KMV/6.12E.

K= Service factor.(for application not more than 16 to 25 cycles per hour K=1 for more than this K=1.2).

M= Weight in Tonnes to be lifted.

V= Specified Hoisting speed in mtrs./min.

E= (0.96) raised to m X (0.99) raised to n

m= No. of pairs of gears.

n= No. of sheaves between drum and equaliser pulley.

Hope this will serve your purpose.

__________________
 "Engineers should not look for jobs but should create jobs for others" by Dr.Radhakrishnan Ex President of India during my college graduation day
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