Total Turns of Engine Valve Spring given Number of Active Turns Calculator

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Design of IC Engine Components

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✖Active Coils in Valve Spring is the number of coils or turns of a spring that actually contributes to the load-bearing capacity of the valve spring.ⓘ Active Coils in Valve Spring [N]

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✖Total Coils in Valve Spring is the total number of coils or turns of spring including the coils at the ends of the spring.ⓘ Total Turns of Engine Valve Spring given Number of Active Turns [N_t]

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Formula

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Total Turns of Engine Valve Spring given Number of Active Turns

Formula

`"N"_{"t"} = "N"+2`

Example

`"14"="12"+2`

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Total Turns of Engine Valve Spring given Number of Active Turns Solution

STEP 0: Pre-Calculation Summary

Formula Used

Total Coils in Valve Spring = Active Coils in Valve Spring+2
N_t = N+2
This formula uses 2 Variables

Variables Used

Total Coils in Valve Spring - Total Coils in Valve Spring is the total number of coils or turns of spring including the coils at the ends of the spring.
Active Coils in Valve Spring - Active Coils in Valve Spring is the number of coils or turns of a spring that actually contributes to the load-bearing capacity of the valve spring.

STEP 1: Convert Input(s) to Base Unit

Active Coils in Valve Spring: 12 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

N_t = N+2 --> 12+2

Evaluating ... ...

N_t = 14

STEP 3: Convert Result to Output's Unit

14 --> No Conversion Required

FINAL ANSWER

14 <-- Total Coils in Valve Spring

(Calculation completed in 00.004 seconds)

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Created by Saurabh Patil

Shri Govindram Seksaria Institute of Technology and Science (SGSITS ), Indore

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< 25 Valve Spring Calculators

Diameter of Wire of Engine Valve Spring

Go Wire Diameter of Valve Spring = sqrt((8*Wahl Factor of Valve Spring*((Initial Spring Force on Valve+Stiffness of Valve Spring*Lift of Valve)*Spring Index for Valve Spring))/(pi*Shear Stress in Valve Spring))

Wahl Factor for Engine Valve Spring given Spring Index

Go Wahl Factor of Valve Spring = (pi*Shear Stress in Valve Spring*Wire Diameter of Valve Spring^2)/(8*Spring Index for Valve Spring*(Initial Spring Force on Valve+Stiffness of Valve Spring*Lift of Valve))

Diameter of Coil of Engine Valve Spring given Torsional Shear Stress in Wire

Go Mean Coil Diameter of Valve Spring = Spring Index for Valve Spring*(sqrt((8*Wahl Factor of Valve Spring*(Axial Force on Valve Spring*Spring Index for Valve Spring))/(pi*Shear Stress in Valve Spring)))

Diameter of Wire of Engine Valve Spring given Maximum Compression in Spring

Go Wire Diameter of Valve Spring = ((8*Axial Force on Valve Spring*Active Coils in Valve Spring*Mean Coil Diameter of Valve Spring^3)/(Modulus of Rigidity of Valve Spring*Maximum Compression in Valve Spring))^(1/4)

Maximum Compression of Engine Valve Spring given Total Turns

Go Maximum Compression in Valve Spring = (8*Axial Force on Valve Spring*(Total Coils in Valve Spring-2)*Mean Coil Diameter of Valve Spring^3)/(Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4)

Maximum Compression of Engine Valve Spring given Number of Active Turns

Go Maximum Compression in Valve Spring = (8*Axial Force on Valve Spring*Active Coils in Valve Spring*Mean Coil Diameter of Valve Spring^3)/(Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4)

Solid Length of Engine Valve Spring

Go Solid Length of Valve Spring = (((Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4)/(8*Mean Coil Diameter of Valve Spring^3*Stiffness of Valve Spring))+2)*Wire Diameter of Valve Spring

Diameter of Wire of Engine Valve Spring given Torsional Shear Stress in Wire

Go Wire Diameter of Valve Spring = sqrt((8*Wahl Factor of Valve Spring*Axial Force on Valve Spring*Spring Index for Valve Spring)/(pi*Shear Stress in Valve Spring))

Spring Index of Engine Valve Spring given Shear Stress, Maximum Force and Wire Diameter

Go Spring Index for Valve Spring = (pi*Shear Stress in Valve Spring*Wire Diameter of Valve Spring^2)/(8*Wahl Factor of Valve Spring*Axial Force on Valve Spring)

Wahl Factor for Engine Valve Spring given Mean Coil Diameter and Wire Diameter

Go Wahl Factor of Valve Spring = (pi*Shear Stress in Valve Spring*Wire Diameter of Valve Spring^2)/(8*Spring Index for Valve Spring*Axial Force on Valve Spring)

Diameter of Wire of Engine Valve Spring given Total Turns of Spring

Go Wire Diameter of Valve Spring = ((8*Mean Coil Diameter of Valve Spring^3*(Stiffness of Valve Spring*(Total Coils in Valve Spring-2)))/(Modulus of Rigidity of Valve Spring))^(0.25)

Diameter of Wire of Engine Valve Spring given Number of Active Turns of Spring

Go Wire Diameter of Valve Spring = ((8*Mean Coil Diameter of Valve Spring^3*Stiffness of Valve Spring*Active Coils in Valve Spring)/(Modulus of Rigidity of Valve Spring))^(0.25)

Stiffness of Engine Valve Spring given Total Turns of Spring

Go Stiffness of Valve Spring = (Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4)/(8*Active Coils in Valve Spring*Mean Coil Diameter of Valve Spring^3)

Free Length of Engine Valve Spring

Go Free Length of Valve Spring = Total Coils in Valve Spring*Wire Diameter of Valve Spring+1.15*Maximum Compression in Valve Spring

Natural Frequency of Vibration of Engine Valve Spring given its Mass and Stiffness

Go Natural Frequency Valve Spring = (sqrt(Stiffness of Valve Spring/Mass of Valve Spring))/2

Maximum Compression of Engine Valve Spring given its Free Length and Solid Length

Go Maximum Compression in Valve Spring = (Free Length of Valve Spring-Solid Length of Valve Spring)/(1.15)

Solid Length of Engine Valve Spring given its Free Length and Maximum Compression

Go Solid Length of Valve Spring = Free Length of Valve Spring-1.15*Maximum Compression in Valve Spring

Solid Length of Engine Valve Spring given Number of Active Turns of Spring and Wire Diameter

Go Solid Length of Valve Spring = (Active Coils in Valve Spring+2)*Wire Diameter of Valve Spring

Solid Length of Engine Valve Spring given Total Number of Turns of Spring and Wire Diameter

Go Solid Length of Valve Spring = Total Coils in Valve Spring*Wire Diameter of Valve Spring

Mass of Engine Valve Spring given its Natural Frequency of Vibration and Stiffness

Go Mass of Valve Spring = Stiffness of Valve Spring/(4*Natural Frequency Valve Spring^2)

Stiffness of Engine Valve Spring given its Natural Frequency of Vibration and Mass

Go Stiffness of Valve Spring = 4*Mass of Valve Spring*Natural Frequency Valve Spring^2

Total Gap between Coils of Engine Valve Spring given Maximum Compression of Spring

Go Total Axial Gap between Valve Spirng Coils = 0.15*Maximum Compression in Valve Spring

Maximum Compression of Engine Valve Spring given Total Gap between Coils of Spring

Go Maximum Compression in Valve Spring = Total Axial Gap between Valve Spirng Coils/0.15

Diameter of Wire of Engine Valve Spring given Mean Coil Diameter

Go Wire Diameter of Valve Spring = Mean Coil Diameter of Valve Spring/8

Mean Coil Diameter of Engine Valve Spring given Wire Diameter

Go Mean Coil Diameter of Valve Spring = 8*Wire Diameter of Valve Spring

Total Turns of Engine Valve Spring given Number of Active Turns Formula

Total Coils in Valve Spring = Active Coils in Valve Spring+2
N_t = N+2

Why is shot peening done?

Maximum stress occurs at the wire surface, and any surface defects, therefore, reduce fatigue life. Shot peening can improve fatigue life by creating a residually-stressed surface area that resists fatigue cracks.

How to Calculate Total Turns of Engine Valve Spring given Number of Active Turns?

Total Turns of Engine Valve Spring given Number of Active Turns calculator uses Total Coils in Valve Spring = Active Coils in Valve Spring+2 to calculate the Total Coils in Valve Spring, The Total turns of engine valve spring given number of active turns is the total number of coils or turns of the engine valve spring including the coils at the ends of the spring. These end support coils do not contribute to the load-bearing capacity of the spring. Total Coils in Valve Spring is denoted by N_t symbol.

How to calculate Total Turns of Engine Valve Spring given Number of Active Turns using this online calculator? To use this online calculator for Total Turns of Engine Valve Spring given Number of Active Turns, enter Active Coils in Valve Spring (N) and hit the calculate button. Here is how the Total Turns of Engine Valve Spring given Number of Active Turns calculation can be explained with given input values -> 14 = 12+2.

FAQ

What is Total Turns of Engine Valve Spring given Number of Active Turns?

The Total turns of engine valve spring given number of active turns is the total number of coils or turns of the engine valve spring including the coils at the ends of the spring. These end support coils do not contribute to the load-bearing capacity of the spring and is represented as N_t = N+2 or Total Coils in Valve Spring = Active Coils in Valve Spring+2. Active Coils in Valve Spring is the number of coils or turns of a spring that actually contributes to the load-bearing capacity of the valve spring.

How to calculate Total Turns of Engine Valve Spring given Number of Active Turns?

The Total turns of engine valve spring given number of active turns is the total number of coils or turns of the engine valve spring including the coils at the ends of the spring. These end support coils do not contribute to the load-bearing capacity of the spring is calculated using Total Coils in Valve Spring = Active Coils in Valve Spring+2. To calculate Total Turns of Engine Valve Spring given Number of Active Turns, you need Active Coils in Valve Spring (N). With our tool, you need to enter the respective value for Active Coils in Valve 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 Total Coils in Valve Spring?

In this formula, Total Coils in Valve Spring uses Active Coils in Valve Spring. We can use 2 other way(s) to calculate the same, which is/are as follows -

Total Coils in Valve Spring = (Modulus of Rigidity of Valve Spring*Wire Diameter of Valve Spring^4*Maximum Compression in Valve Spring)/(8*Axial Force on Valve Spring*Mean Coil Diameter of Valve Spring^3)+2
Total Coils in Valve Spring = Free Length of Valve Spring/Pitch of Valve spring+1

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