Maximum Diameter of Valve Stem Calculator

Diameter of Valve Stem - (Measured in Millimeter) - Diameter of Valve Stem is the diameter of the lowermost part of the valve (valve stem).
Diameter of Port - (Measured in Millimeter) - Diameter of Port is the diameter of the opening of the port of an IC Engine.

STEP 1: Convert Input(s) to Base Unit

Diameter of Port: 40 Millimeter --> 40 Millimeter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

d_s = d_p/8+11 --> 40/8+11

Evaluating ... ...

d_s = 16

STEP 3: Convert Result to Output's Unit

0.016 Meter -->16 Millimeter (Check conversion here)

FINAL ANSWER

16 Millimeter <-- Diameter of Valve Stem

(Calculation completed in 00.004 seconds)

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Home » Physics » IC Engine » Design of IC Engine Components » Engine Valves » Valve Stem » Maximum Diameter of Valve Stem

Credits

Created by Saurabh Patil

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

Saurabh Patil has created this Calculator and 700+ more calculators!

Verified by Anshika Arya

National Institute Of Technology (NIT), Hamirpur

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< 7 Valve Stem Calculators

Thickness of Valve Disk given Force of Spring on Valve

Go Thickness of Valve Disk = sqrt((1.4*Spring Force on Seated Valve*(1-(2*Diameter of Valve Stem)/(3*Diameter of Port)))/Tensile Stress in Valve Stem)

Diameter of Port given Diameter of Valve Stem

Go Diameter of Port = (Diameter of Valve Stem)/(1.5*(1-(Tensile Stress in Valve Stem*Thickness of Valve Disk^2)/(1.4*Spring Force on Seated Valve)))

Spring Force on Valve when Seated

Go Spring Force on Seated Valve = ((Tensile Stress in Valve Stem*Thickness of Valve Disk^2)/(1-(2*Diameter of Valve Stem)/(3*Diameter of Port)))/1.4

Tensile Stress in Valve Stem due to Spring Force on Valve

Go Tensile Stress in Valve Stem = 1.4*Spring Force on Seated Valve/(Thickness of Valve Disk^2)*(1-(2*Diameter of Valve Stem)/(3*Diameter of Port))

Diameter of Valve Stem

Go Diameter of Valve Stem = 1.5*Diameter of Port*(1-(Tensile Stress in Valve Stem*Thickness of Valve Disk^2)/(1.4*Spring Force on Seated Valve))

Minimum Diameter of Valve Stem

Go Diameter of Valve Stem = Diameter of Port/8+6.35

Maximum Diameter of Valve Stem

Go Diameter of Valve Stem = Diameter of Port/8+11

Maximum Diameter of Valve Stem Formula

Diameter of Valve Stem = Diameter of Port/8+11
d_s = d_p/8+11

Valve gear mechanism for a vertical engine with overhead valves

The camshaft is rotated by means of a belt drive from the crankshaft. As the camshaft rotates, the cam pushes the follower and the push rod upwards. The rocker arm is pivoted at its center by means of a fulcrum pin. When the right end of the rocker arm is pushed up by the push rod, the left end moves downward. This compresses the spring and pushes the valve rod down in the cylinder, thereby causing the valve to open. When the follower moves over the circular portion of the cam, the spring expands and closes the valve. The spring pushes the left end of the rocker arm upward. This causes the right end to move downward and keeps the follower in contact with the cam. It should be noted that the valve is closed by a helical compression spring.

How to Calculate Maximum Diameter of Valve Stem?

Maximum Diameter of Valve Stem calculator uses Diameter of Valve Stem = Diameter of Port/8+11 to calculate the Diameter of Valve Stem, The Maximum Diameter of Valve Stem is the maximum required diameter of the lowermost part of the valve (valve stem). Diameter of Valve Stem is denoted by d_s symbol.

How to calculate Maximum Diameter of Valve Stem using this online calculator? To use this online calculator for Maximum Diameter of Valve Stem, enter Diameter of Port (d_p) and hit the calculate button. Here is how the Maximum Diameter of Valve Stem calculation can be explained with given input values -> 16000 = 0.04/8+11.

FAQ

What is Maximum Diameter of Valve Stem?

The Maximum Diameter of Valve Stem is the maximum required diameter of the lowermost part of the valve (valve stem) and is represented as d_s = d_p/8+11 or Diameter of Valve Stem = Diameter of Port/8+11. Diameter of Port is the diameter of the opening of the port of an IC Engine.

How to calculate Maximum Diameter of Valve Stem?

The Maximum Diameter of Valve Stem is the maximum required diameter of the lowermost part of the valve (valve stem) is calculated using Diameter of Valve Stem = Diameter of Port/8+11. To calculate Maximum Diameter of Valve Stem, you need Diameter of Port (d_p). With our tool, you need to enter the respective value for Diameter of Port 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 Diameter of Valve Stem?

In this formula, Diameter of Valve Stem uses Diameter of Port. We can use 2 other way(s) to calculate the same, which is/are as follows -

Diameter of Valve Stem = Diameter of Port/8+6.35
Diameter of Valve Stem = 1.5*Diameter of Port*(1-(Tensile Stress in Valve Stem*Thickness of Valve Disk^2)/(1.4*Spring Force on Seated Valve))

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