Belt Length for Cross Belt Drive Formula

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Belt Length is the length of the transmission belt that is used to transmit power from one pulley to the other. Check FAQs
L=2C+(πd+D2)+((D-d)24C)
L - Belt Length?C - Centre Distance between Pulleys?d - Diameter of Small Pulley?D - Diameter of Big Pulley?π - Archimedes' constant?

Belt Length for Cross Belt Drive Example

With values
With units
Only example

Here is how the Belt Length for Cross Belt Drive equation looks like with Values.

Here is how the Belt Length for Cross Belt Drive equation looks like with Units.

Here is how the Belt Length for Cross Belt Drive equation looks like.

4942.0225Edit=21600Edit+(3.1416270Edit+810Edit2)+((810Edit-270Edit)241600Edit)
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Belt Length for Cross Belt Drive Solution

Follow our step by step solution on how to calculate Belt Length for Cross Belt Drive?

FIRST Step Consider the formula
L=2C+(πd+D2)+((D-d)24C)
Next Step Substitute values of Variables
L=21600mm+(π270mm+810mm2)+((810mm-270mm)241600mm)
Next Step Substitute values of Constants
L=21600mm+(3.1416270mm+810mm2)+((810mm-270mm)241600mm)
Next Step Convert Units
L=21.6m+(3.14160.27m+0.81m2)+((0.81m-0.27m)241.6m)
Next Step Prepare to Evaluate
L=21.6+(3.14160.27+0.812)+((0.81-0.27)241.6)
Next Step Evaluate
L=4.94202253293849m
Next Step Convert to Output's Unit
L=4942.02253293849mm
LAST Step Rounding Answer
L=4942.0225mm

Belt Length for Cross Belt Drive Formula Elements

Variables
Constants
Belt Length
Belt Length is the length of the transmission belt that is used to transmit power from one pulley to the other.
Symbol: L
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Centre Distance between Pulleys
Centre Distance between Pulleys is the distance between the centres of the big pulley and the small pulley.
Symbol: C
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Diameter of Small Pulley
Diameter of Small Pulley is the distance from side to side of the flat of the Small pulley.
Symbol: d
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Diameter of Big Pulley
Diameter of Big Pulley is the distance from side to side of the flat of the Big pulley.
Symbol: D
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288

Other formulas in Crossed Belt Drives category

​Go Wrap Angle for Small Pulley of Cross Belt Drive
αa=3.14+(2asin(D+d2C))
​Go Center Distance given Wrap Angle for Small Pulley of Cross Belt Drive
C=D+d2sin(αa-3.142)
​Go Diameter of Small Pulley given Wrap Angle for Small Pulley of Cross Belt Drive
d=(2Csin(αa-3.142))-D
​Go Diameter of Big Pulley given Wrap Angle for Small Pulley of Cross Belt Drive
D=(2sin(αa-3.142)C)-d

How to Evaluate Belt Length for Cross Belt Drive?

Belt Length for Cross Belt Drive evaluator uses Belt Length = 2*Centre Distance between Pulleys+(pi*(Diameter of Small Pulley+Diameter of Big Pulley)/2)+(((Diameter of Big Pulley-Diameter of Small Pulley)^2)/(4*Centre Distance between Pulleys)) to evaluate the Belt Length, The Belt Length for Cross Belt Drive formula is defined as the pitch length is measured at the pitch diameter of the sheaves. Both effective length and pitch length are measured with the belt tensioned by a specified amount. Belt Length is denoted by L symbol.

How to evaluate Belt Length for Cross Belt Drive using this online evaluator? To use this online evaluator for Belt Length for Cross Belt Drive, enter Centre Distance between Pulleys (C), Diameter of Small Pulley (d) & Diameter of Big Pulley (D) and hit the calculate button.

FAQs on Belt Length for Cross Belt Drive

What is the formula to find Belt Length for Cross Belt Drive?
The formula of Belt Length for Cross Belt Drive is expressed as Belt Length = 2*Centre Distance between Pulleys+(pi*(Diameter of Small Pulley+Diameter of Big Pulley)/2)+(((Diameter of Big Pulley-Diameter of Small Pulley)^2)/(4*Centre Distance between Pulleys)). Here is an example- 4.9E+6 = 2*1.575+(pi*(0.27+0.81)/2)+(((0.81-0.27)^2)/(4*1.575)).
How to calculate Belt Length for Cross Belt Drive?
With Centre Distance between Pulleys (C), Diameter of Small Pulley (d) & Diameter of Big Pulley (D) we can find Belt Length for Cross Belt Drive using the formula - Belt Length = 2*Centre Distance between Pulleys+(pi*(Diameter of Small Pulley+Diameter of Big Pulley)/2)+(((Diameter of Big Pulley-Diameter of Small Pulley)^2)/(4*Centre Distance between Pulleys)). This formula also uses Archimedes' constant .
Can the Belt Length for Cross Belt Drive be negative?
No, the Belt Length for Cross Belt Drive, measured in Length cannot be negative.
Which unit is used to measure Belt Length for Cross Belt Drive?
Belt Length for Cross Belt Drive is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Belt Length for Cross Belt Drive can be measured.
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