Wrap Angle for Small Pulley of Cross Belt Drive Solution

STEP 0: Pre-Calculation Summary
Formula Used
Wrap Angle for Cross Belt Drive = 3.14+(2*asin((Diameter of Big Pulley+Diameter of Small Pulley)/(2*Centre Distance between Pulleys)))
αa = 3.14+(2*asin((D+d)/(2*C)))
This formula uses 2 Functions, 4 Variables
Functions Used
sin - Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse., sin(Angle)
asin - The inverse sine function, is a trigonometric function that takes a ratio of two sides of a right triangle and outputs the angle opposite the side with the given ratio., asin(Number)
Variables Used
Wrap Angle for Cross Belt Drive - (Measured in Radian) - Wrap Angle for Cross Belt Drive is the angle that the Belt wraps around the Small Pulley and is the same as around the Big Pulley.
Diameter of Big Pulley - (Measured in Meter) - Diameter of Big Pulley is the distance from side to side of the flat of the Big pulley.
Diameter of Small Pulley - (Measured in Meter) - Diameter of Small Pulley is the distance from side to side of the flat of the Small pulley.
Centre Distance between Pulleys - (Measured in Meter) - Centre Distance between Pulleys is the distance between the centers of the big pulley and the small pulley.
STEP 1: Convert Input(s) to Base Unit
Diameter of Big Pulley: 810 Millimeter --> 0.81 Meter (Check conversion ​here)
Diameter of Small Pulley: 270 Millimeter --> 0.27 Meter (Check conversion ​here)
Centre Distance between Pulleys: 1600 Millimeter --> 1.6 Meter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
αa = 3.14+(2*asin((D+d)/(2*C))) --> 3.14+(2*asin((0.81+0.27)/(2*1.6)))
Evaluating ... ...
αa = 3.82851959869742
STEP 3: Convert Result to Output's Unit
3.82851959869742 Radian -->219.358014788523 Degree (Check conversion ​here)
FINAL ANSWER
219.358014788523 219.358 Degree <-- Wrap Angle for Cross Belt Drive
(Calculation completed in 00.004 seconds)

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Osmania University (OU), Hyderabad
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Crossed Belt Drives Calculators

Wrap Angle for Small Pulley of Cross Belt Drive
​ Go Wrap Angle for Cross Belt Drive = 3.14+(2*asin((Diameter of Big Pulley+Diameter of Small Pulley)/(2*Centre Distance between Pulleys)))
Center Distance given Wrap Angle for Small Pulley of Cross Belt Drive
​ Go Centre Distance between Pulleys = (Diameter of Big Pulley+Diameter of Small Pulley)/(2*sin((Wrap Angle for Cross Belt Drive-3.14)/2))
Diameter of Small Pulley given Wrap Angle for Small Pulley of Cross Belt Drive
​ Go Diameter of Small Pulley = (2*Centre Distance between Pulleys*sin((Wrap Angle for Cross Belt Drive-3.14)/2))-Diameter of Big Pulley
Diameter of Big Pulley given Wrap Angle for Small Pulley of Cross Belt Drive
​ Go Diameter of Big Pulley = (2*sin((Wrap Angle for Cross Belt Drive-3.14)/2)*Centre Distance between Pulleys)-Diameter of Small Pulley

Wrap Angle for Small Pulley of Cross Belt Drive Formula

​Go
Wrap Angle for Cross Belt Drive = 3.14+(2*asin((Diameter of Big Pulley+Diameter of Small Pulley)/(2*Centre Distance between Pulleys)))
αa = 3.14+(2*asin((D+d)/(2*C)))

Applications of Belt Drives?

A belt drive is used to transfer power.
The belt drive is used in the Mill industry.
The belt drive is used in Conveyor.

How to Calculate Wrap Angle for Small Pulley of Cross Belt Drive?

Wrap Angle for Small Pulley of Cross Belt Drive calculator uses Wrap Angle for Cross Belt Drive = 3.14+(2*asin((Diameter of Big Pulley+Diameter of Small Pulley)/(2*Centre Distance between Pulleys))) to calculate the Wrap Angle for Cross Belt Drive, The Wrap Angle for Small Pulley of Cross Belt Drive formula is defined as the angle between the run-up and run-off of the belt on the pulley. Wrap Angle for Cross Belt Drive is denoted by αa symbol.

How to calculate Wrap Angle for Small Pulley of Cross Belt Drive using this online calculator? To use this online calculator for Wrap Angle for Small Pulley of Cross Belt Drive, enter Diameter of Big Pulley (D), Diameter of Small Pulley (d) & Centre Distance between Pulleys (C) and hit the calculate button. Here is how the Wrap Angle for Small Pulley of Cross Belt Drive calculation can be explained with given input values -> 12568.29 = 3.14+(2*asin((0.81+0.27)/(2*1.6))).

FAQ

What is Wrap Angle for Small Pulley of Cross Belt Drive?
The Wrap Angle for Small Pulley of Cross Belt Drive formula is defined as the angle between the run-up and run-off of the belt on the pulley and is represented as αa = 3.14+(2*asin((D+d)/(2*C))) or Wrap Angle for Cross Belt Drive = 3.14+(2*asin((Diameter of Big Pulley+Diameter of Small Pulley)/(2*Centre Distance between Pulleys))). Diameter of Big Pulley is the distance from side to side of the flat of the Big pulley, Diameter of Small Pulley is the distance from side to side of the flat of the Small pulley & Centre Distance between Pulleys is the distance between the centers of the big pulley and the small pulley.
How to calculate Wrap Angle for Small Pulley of Cross Belt Drive?
The Wrap Angle for Small Pulley of Cross Belt Drive formula is defined as the angle between the run-up and run-off of the belt on the pulley is calculated using Wrap Angle for Cross Belt Drive = 3.14+(2*asin((Diameter of Big Pulley+Diameter of Small Pulley)/(2*Centre Distance between Pulleys))). To calculate Wrap Angle for Small Pulley of Cross Belt Drive, you need Diameter of Big Pulley (D), Diameter of Small Pulley (d) & Centre Distance between Pulleys (C). With our tool, you need to enter the respective value for Diameter of Big Pulley, Diameter of Small Pulley & Centre Distance between Pulleys and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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