Force Amplitude on Spring given Torsional Stress Amplitude Solution

STEP 0: Pre-Calculation Summary
Formula Used
Spring Force Amplitude = Torsional Stress Amplitude in Spring*(pi*Diameter of spring wire^3)/(8*Shear Stress Correction Factor of Spring*Mean Coil Diameter of Spring)
Pa = τa*(pi*d^3)/(8*Ks*D)
This formula uses 1 Constants, 5 Variables
Constants Used
pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288
Variables Used
Spring Force Amplitude - (Measured in Newton) - The Spring Force Amplitude is defined as the amount of force deviation from the mean force and is also called the alternating component of force in fluctuating loads.
Torsional Stress Amplitude in Spring - (Measured in Pascal) - Torsional Stress Amplitude in Spring is defined as the effect of stress concentration due to curvature in addition to direct shear stress in the spring.
Diameter of spring wire - (Measured in Meter) - Diameter of spring wire is the diameter of the wire of which a spring is made.
Shear Stress Correction Factor of Spring - Shear Stress Correction Factor of Spring is for comparing the strain energies of the average shear stresses with those obtained from the equilibrium.
Mean Coil Diameter of Spring - (Measured in Meter) - The Mean Coil Diameter of Spring is defined as the average of the inner and the outer diameters of a spring.
STEP 1: Convert Input(s) to Base Unit
Torsional Stress Amplitude in Spring: 77 Newton per Square Millimeter --> 77000000 Pascal (Check conversion here)
Diameter of spring wire: 4 Millimeter --> 0.004 Meter (Check conversion here)
Shear Stress Correction Factor of Spring: 1.08 --> No Conversion Required
Mean Coil Diameter of Spring: 36 Millimeter --> 0.036 Meter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Pa = τa*(pi*d^3)/(8*Ks*D) --> 77000000*(pi*0.004^3)/(8*1.08*0.036)
Evaluating ... ...
Pa = 49.7742045939124
STEP 3: Convert Result to Output's Unit
49.7742045939124 Newton --> No Conversion Required
FINAL ANSWER
49.7742045939124 49.7742 Newton <-- Spring Force Amplitude
(Calculation completed in 00.004 seconds)

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22 Design Against Fluctuating Load Calculators

Diameter of Spring Wire given Torsional Stress Amplitude
Go Diameter of spring wire = (8*Shear Stress Correction Factor of Spring*Spring Force Amplitude*Mean Coil Diameter of Spring/(pi*Torsional Stress Amplitude in Spring))^(1/3)
Mean Coil Diameter of Spring given Torsional Stress Amplitude
Go Mean Coil Diameter of Spring = Torsional Stress Amplitude in Spring*(pi*Diameter of spring wire^3)/(8*Shear Stress Correction Factor of Spring*Spring Force Amplitude)
Force Amplitude on Spring given Torsional Stress Amplitude
Go Spring Force Amplitude = Torsional Stress Amplitude in Spring*(pi*Diameter of spring wire^3)/(8*Shear Stress Correction Factor of Spring*Mean Coil Diameter of Spring)
Torsional Stress Amplitude in Spring
Go Torsional Stress Amplitude in Spring = 8*Shear Stress Correction Factor of Spring*Spring Force Amplitude*Mean Coil Diameter of Spring/(pi*Diameter of spring wire^3)
Diameter of Spring Wire given Mean Stress in Spring
Go Diameter of spring wire = (8*Shear Stress Correction Factor of Spring*Mean Spring Force*Mean Coil Diameter of Spring/(pi*Mean Shear Stress in Spring))^(1/3)
Mean Diameter of Spring coil given Mean Stress on Spring
Go Mean Coil Diameter of Spring = (Mean Shear Stress in Spring*(pi*Diameter of spring wire^3)/(8*Shear Stress Correction Factor of Spring*Mean Spring Force))
Shear Stress Correction Factor for Spring given Mean Stress
Go Shear Stress Correction Factor of Spring = Mean Shear Stress in Spring*(pi*Diameter of spring wire^3)/(8*Mean Spring Force*Mean Coil Diameter of Spring)
Mean Force on Spring given Mean Stress
Go Mean Spring Force = Mean Shear Stress in Spring*(pi*Diameter of spring wire^3)/(8*Shear Stress Correction Factor of Spring*Mean Coil Diameter of Spring)
Spring Index given Torsional Stress Amplitude
Go Spring Index = Torsional Stress Amplitude in Spring*(pi*Diameter of spring wire^2)/(8*Shear Stress Correction Factor of Spring*Spring Force Amplitude)
Mean Stress on Spring
Go Mean Shear Stress in Spring = 8*Shear Stress Correction Factor of Spring*Mean Spring Force*Mean Coil Diameter of Spring/(pi*Diameter of spring wire^3)
Shear Stress Factor for Spring given Torsional stress amplitude
Go Wahl Factor of Spring = Mean Shear Stress in Spring*(pi*Diameter of spring wire^3)/(8*Spring Force Amplitude*Mean Coil Diameter of Spring)
Spring Index given Mean Stress on spring
Go Spring Index = Mean Shear Stress in Spring*(pi*Diameter of spring wire^2)/(8*Shear Stress Correction Factor of Spring*Mean Spring Force)
Force Amplitude of Spring
Go Spring Force Amplitude = .5*(Maximum Force of Spring-Minimum Force of Spring)
Minimum Force on Spring given Force Amplitude
Go Minimum Force of Spring = Maximum Force of Spring-(2*Spring Force Amplitude)
Maximum Force on Spring given Force Amplitude
Go Maximum Force of Spring = 2*Spring Force Amplitude+Minimum Force of Spring
Mean Force on spring
Go Mean Spring Force = (Minimum Force of Spring+Maximum Force of Spring)/2
Maximum Force on Spring given Mean Force
Go Maximum Force of Spring = 2*Mean Spring Force-Minimum Force of Spring
Minimum Force on Spring given Mean Force
Go Minimum Force of Spring = 2*Mean Spring Force-Maximum Force of Spring
Ultimate Tensile Stress of Patented and Cold drawn Steel wires
Go Ultimate tensile strength of spring = Shear yield strength of spring wire/0.42
Shear Yield Strength of Patented and Cold-drawn Steel Wires
Go Shear yield strength of spring wire = 0.42*Ultimate tensile strength of spring
Ultimate Tensile Stress of Ol hardened tempered Steel wires
Go Ultimate tensile strength of spring = Shear yield strength of spring wire/0.45
Shear Yield Strength of Oil-hardened Tempered Steel Wires
Go Shear yield strength of spring wire = 0.45*Ultimate tensile strength of spring

Force Amplitude on Spring given Torsional Stress Amplitude Formula

Spring Force Amplitude = Torsional Stress Amplitude in Spring*(pi*Diameter of spring wire^3)/(8*Shear Stress Correction Factor of Spring*Mean Coil Diameter of Spring)
Pa = τa*(pi*d^3)/(8*Ks*D)

Define Force Amplitude?

Amplitude, in physics, the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position. It is equal to one-half the length of the vibration path.

How to Calculate Force Amplitude on Spring given Torsional Stress Amplitude?

Force Amplitude on Spring given Torsional Stress Amplitude calculator uses Spring Force Amplitude = Torsional Stress Amplitude in Spring*(pi*Diameter of spring wire^3)/(8*Shear Stress Correction Factor of Spring*Mean Coil Diameter of Spring) to calculate the Spring Force Amplitude, Force Amplitude on Spring given Torsional Stress Amplitude is defined as the average of the difference between the maximum force and the minimum force among the fluctuating forces. Spring Force Amplitude is denoted by Pa symbol.

How to calculate Force Amplitude on Spring given Torsional Stress Amplitude using this online calculator? To use this online calculator for Force Amplitude on Spring given Torsional Stress Amplitude, enter Torsional Stress Amplitude in Spring a), Diameter of spring wire (d), Shear Stress Correction Factor of Spring (Ks) & Mean Coil Diameter of Spring (D) and hit the calculate button. Here is how the Force Amplitude on Spring given Torsional Stress Amplitude calculation can be explained with given input values -> 49.7742 = 77000000*(pi*0.004^3)/(8*1.08*0.036).

FAQ

What is Force Amplitude on Spring given Torsional Stress Amplitude?
Force Amplitude on Spring given Torsional Stress Amplitude is defined as the average of the difference between the maximum force and the minimum force among the fluctuating forces and is represented as Pa = τa*(pi*d^3)/(8*Ks*D) or Spring Force Amplitude = Torsional Stress Amplitude in Spring*(pi*Diameter of spring wire^3)/(8*Shear Stress Correction Factor of Spring*Mean Coil Diameter of Spring). Torsional Stress Amplitude in Spring is defined as the effect of stress concentration due to curvature in addition to direct shear stress in the spring, Diameter of spring wire is the diameter of the wire of which a spring is made, Shear Stress Correction Factor of Spring is for comparing the strain energies of the average shear stresses with those obtained from the equilibrium & The Mean Coil Diameter of Spring is defined as the average of the inner and the outer diameters of a spring.
How to calculate Force Amplitude on Spring given Torsional Stress Amplitude?
Force Amplitude on Spring given Torsional Stress Amplitude is defined as the average of the difference between the maximum force and the minimum force among the fluctuating forces is calculated using Spring Force Amplitude = Torsional Stress Amplitude in Spring*(pi*Diameter of spring wire^3)/(8*Shear Stress Correction Factor of Spring*Mean Coil Diameter of Spring). To calculate Force Amplitude on Spring given Torsional Stress Amplitude, you need Torsional Stress Amplitude in Spring a), Diameter of spring wire (d), Shear Stress Correction Factor of Spring (Ks) & Mean Coil Diameter of Spring (D). With our tool, you need to enter the respective value for Torsional Stress Amplitude in Spring, Diameter of spring wire, Shear Stress Correction Factor of Spring & Mean Coil Diameter of Spring and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Spring Force Amplitude?
In this formula, Spring Force Amplitude uses Torsional Stress Amplitude in Spring, Diameter of spring wire, Shear Stress Correction Factor of Spring & Mean Coil Diameter of Spring. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Spring Force Amplitude = .5*(Maximum Force of Spring-Minimum Force of Spring)
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