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Former Length refers to the measurement of the longitudinal extent or distance of a component known as a former. Check FAQs
Lf=EBst3θTc12
Lf - Former Length?E - Youngs Modulus?Bs - Spring Width?t - Spring Thickness?θ - Angular Deflection?Tc - Controlling Torque?

Length of Spring Example

With values
With units
Only example

Here is how the Length of Spring equation looks like with Values.

Here is how the Length of Spring equation looks like with Units.

Here is how the Length of Spring equation looks like.

0.2507Edit=1000Edit0.86Edit0.95Edit31.02Edit250Edit12
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Length of Spring Solution

Follow our step by step solution on how to calculate Length of Spring?

FIRST Step Consider the formula
Lf=EBst3θTc12
Next Step Substitute values of Variables
Lf=1000Pa0.86m0.95m31.02rad250N*m12
Next Step Prepare to Evaluate
Lf=10000.860.9531.0225012
Next Step Evaluate
Lf=0.25069645m
LAST Step Rounding Answer
Lf=0.2507m

Length of Spring Formula Elements

Variables
Former Length
Former Length refers to the measurement of the longitudinal extent or distance of a component known as a former.
Symbol: Lf
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Youngs Modulus
Youngs Modulus is a mechanical property of linear elastic solid substances. It describes the relationship between longitudinal stress and longitudinal strain.
Symbol: E
Measurement: PressureUnit: Pa
Note: Value should be greater than 0.
Spring Width
Spring Width is defined as the total width of the spring when measured in the extended form.
Symbol: Bs
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Spring Thickness
Spring Thickness refers to the dimension of a spring that measures the distance between its two opposing surfaces or faces.
Symbol: t
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Angular Deflection
Angular Deflection refers to the angular displacement or deviation from an initial position or reference point.
Symbol: θ
Measurement: AngleUnit: rad
Note: Value should be greater than 0.
Controlling Torque
Controlling torque involves applying force to manage rotational motion, ensuring stability, adjusting speed, and counteracting external influences such as friction or load changes.
Symbol: Tc
Measurement: TorqueUnit: N*m
Note: Value should be greater than 0.

Other Formulas to find Former Length

​Go Length of Former
Lf=emfinBbω

Other formulas in Instrument Dimensions category

​Go Length of Capillary Tube
Lc=ΔLγΔT
​Go Coefficient of volumetric Expansion
γ=ΔLLcΔT
​Go Volume of Bulb in Capillary Tube
Vb=AcLc
​Go Area of Capillary Tube
Ac=VbLc

How to Evaluate Length of Spring?

Length of Spring evaluator uses Former Length = (Youngs Modulus*Spring Width*Spring Thickness^3*Angular Deflection)/(Controlling Torque*12) to evaluate the Former Length, The Length of Spring formula is defined as the actual length of a compression spring without any sort of load or force being placed on it. When a load or force is placed on a compression spring, its length deflects. Even if the load or force is very small, the length of the spring may travel a few thousandths of an inch. Former Length is denoted by Lf symbol.

How to evaluate Length of Spring using this online evaluator? To use this online evaluator for Length of Spring, enter Youngs Modulus (E), Spring Width (Bs), Spring Thickness (t), Angular Deflection (θ) & Controlling Torque (Tc) and hit the calculate button.

FAQs on Length of Spring

What is the formula to find Length of Spring?
The formula of Length of Spring is expressed as Former Length = (Youngs Modulus*Spring Width*Spring Thickness^3*Angular Deflection)/(Controlling Torque*12). Here is an example- 1.843356 = (1000*0.86*0.95^3*1.02)/(250*12).
How to calculate Length of Spring?
With Youngs Modulus (E), Spring Width (Bs), Spring Thickness (t), Angular Deflection (θ) & Controlling Torque (Tc) we can find Length of Spring using the formula - Former Length = (Youngs Modulus*Spring Width*Spring Thickness^3*Angular Deflection)/(Controlling Torque*12).
What are the other ways to Calculate Former Length?
Here are the different ways to Calculate Former Length-
  • Former Length=(Induced EMF)/(Magnetic Field*Former Breadth*Former Angular Speed)OpenImg
Can the Length of Spring be negative?
No, the Length of Spring, measured in Length cannot be negative.
Which unit is used to measure Length of Spring?
Length of Spring is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Length of Spring can be measured.
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