Gear Box - Conveyor Length

Yes.

Is there any formulae for calculating gear box out put torque which include conveyor length & width.

T = L W H ρ r (c.f.) (s.f.), where:

T = torque
L = length
W = width
H = height of product
ρ = density of product
r = radius of belt over drive pulley
c.f. = coefficient of friction of belt on conveyor bed
s.f. = service or safety factor

In this Gear box output rpm will invloves or not ? I didn't understand about Heigth , density of product , service factor and coefficient of friction of belt

Pl find the details of gear box and conveyor we are using & pl suggest to calculate torque.

Geared motor details:

Power - 4 Kw

Out put rpm - 60.9 rpm

Conveyor length - 13.5 meters (1350 mm).

Conveyor width - 900 mm

Calculating from the input power direction, P = K T N, where:

P = power
K = constant depending on what units of measurement are being used
T = torque
N = revolutions per minute

(I don't regularly do SI units, so I forget what K is. Sorry.)

Unless this conveyor is loaded with gold bullion, the motor is probably enough, but I don't know about the gearbox.

Sorry, i didnt get you . pl clarify me clearly.

What would the coefficient of the friction between the Canvas belt and rubber roller.

Density of the product means whether for belt or rubber roller ? What is service factor?

That shouldn't matter; the belt is not supposed to slide on the roller.

Density of product refers to the stuff being conveyed, not to the belt or rollers (although the weight of the belt is a minor consideration.)

Density of product means whether the product which is being transferred or the belt. And Coefficient of friction between the drive roller & belt or Conveyor & the belt.

Pl clarify

Nithin

Generally yes, unless maybe it is running downhill.

A very simple tool for answering such questions yourself is to simply consider the two extremes.
What is the load of a zero length conveyor belt?
What is the load of an infinitely long conveyor belt?
Are they the same?
Del

Not so fast, nocksman. " zero length conveyor belt" would be an oxymoron. Or at least a contradiction of terms.

Okay, let's yank Lyn's chain and make and make him run back to the zero end.

Wasn't there a movie about this: Up the Down Staircase?

Hey, coach, it's 4th down and 120 yards to go; can I punt?

I would have about 'what has payload got to do with it'.

_{But I am very much admiring your patience}