Pitch of Screw given Mean Diameter Calculator

✖Nominal diameter of screw is defined as the diameter of the cylinder touching the external threads of the screw.ⓘ Nominal diameter of screw [d]			+10% -10%
✖Mean Diameter of Power Screw is the average diameter of the bearing surface - or more accurately, twice the average distance from the centreline of the thread to the bearing surface.ⓘ Mean Diameter of Power Screw [d_m]			+10% -10%

✖Pitch of power screw thread is the distance between screw threads and is commonly used with inch-sized products and specified as threads per inch.ⓘ Pitch of Screw given Mean Diameter [p]

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Formula

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Pitch of Screw given Mean Diameter

Formula

`"p" = ("d"-"d"_{"m"})/0.5`

Example

`"8mm"=("50mm"-"46mm")/0.5`

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Pitch of Screw given Mean Diameter Solution

STEP 0: Pre-Calculation Summary

Formula Used

Pitch of power screw thread = (Nominal diameter of screw-Mean Diameter of Power Screw)/0.5
p = (d-d_m)/0.5
This formula uses 3 Variables

Variables Used

Pitch of power screw thread - (Measured in Meter) - Pitch of power screw thread is the distance between screw threads and is commonly used with inch-sized products and specified as threads per inch.
Nominal diameter of screw - (Measured in Meter) - Nominal diameter of screw is defined as the diameter of the cylinder touching the external threads of the screw.
Mean Diameter of Power Screw - (Measured in Meter) - Mean Diameter of Power Screw is the average diameter of the bearing surface - or more accurately, twice the average distance from the centreline of the thread to the bearing surface.

STEP 1: Convert Input(s) to Base Unit

Nominal diameter of screw: 50 Millimeter --> 0.05 Meter (Check conversion here)
Mean Diameter of Power Screw: 46 Millimeter --> 0.046 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

p = (d-d_m)/0.5 --> (0.05-0.046)/0.5

Evaluating ... ...

p = 0.00800000000000001

STEP 3: Convert Result to Output's Unit

0.00800000000000001 Meter -->8.00000000000001 Millimeter (Check conversion here)

FINAL ANSWER

8.00000000000001 ≈ 8 Millimeter <-- Pitch of power screw thread

(Calculation completed in 00.020 seconds)

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Home » Engineering » Mechanical » Machine Design » Power Screws » Design of Screw and Nut » Pitch of Screw given Mean Diameter

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Created by Kethavath Srinath

Osmania University (OU), Hyderabad

Kethavath Srinath has created this Calculator and 1000+ more calculators!

Verified by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has verified this Calculator and 1900+ more calculators!

< 25 Design of Screw and Nut Calculators

Nominal Diameter of Screw given Transverse Shear Stress at Root of Nut

Go Nominal diameter of screw = Axial load on screw/(pi*Transverse shear stress in nut*Thread Thickness*Number of Engaged Threads)

Transverse Shear Stress at Root of Nut

Go Transverse shear stress in nut = Axial load on screw/(pi*Nominal diameter of screw*Thread Thickness*Number of Engaged Threads)

Thread Thickness at Core Diameter of Screw given Transverse Shear Stress

Go Thread Thickness = Axial load on screw/(pi*Transverse Shear Stress in Screw*Core diameter of screw*Number of Engaged Threads)

Number of Threads in Engagement with Nut given Transverse Shear Stress

Go Number of Engaged Threads = Axial load on screw/(pi*Thread Thickness*Transverse Shear Stress in Screw*Core diameter of screw)

Core Diameter of Screw given Transverse Shear Stress in Screw

Go Core diameter of screw = Axial load on screw/(Transverse Shear Stress in Screw*pi*Thread Thickness*Number of Engaged Threads)

Axial Load on Screw given Transverse Shear Stress

Go Axial load on screw = (Transverse Shear Stress in Screw*pi*Core diameter of screw*Thread Thickness*Number of Engaged Threads)

Transverse Shear Stress in Screw

Go Transverse Shear Stress in Screw = Axial load on screw/(pi*Core diameter of screw*Thread Thickness*Number of Engaged Threads)

Axial Load on Screw given Transverse Shear Stress at Root of Nut

Go Axial load on screw = pi*Transverse shear stress in nut*Thread Thickness*Nominal diameter of screw*Number of Engaged Threads

Overall Efficiency of Power Screw

Go Efficiency of power screw = Axial load on screw*Lead of Power Screw/(2*pi*Torsional Moment on Screw)

Lead of Screw given Overall Efficiency

Go Lead of Power Screw = 2*pi*Efficiency of power screw*Torsional Moment on Screw/Axial load on screw

Core Diameter of Screw given Direct Compressive Stress

Go Core diameter of screw = sqrt((4*Axial load on screw)/(pi*Compressive stress in screw))

Helix Angle of Thread

Go Helix angle of screw = atan(Lead of Power Screw/(pi*Mean Diameter of Power Screw))

Mean diameter of Screw given Helix Angle

Go Mean Diameter of Power Screw = Lead of Power Screw/(pi*tan(Helix angle of screw))

Lead of Screw given Helix angle

Go Lead of Power Screw = tan(Helix angle of screw)*pi*Mean Diameter of Power Screw

Core Diameter of Screw given Torsional Shear Stress

Go Core diameter of screw = (16*Torsional Moment on Screw/(pi*Torsional shear stress in screw))^(1/3)

Torsional Shear Stress of Screw

Go Torsional shear stress in screw = 16*Torsional Moment on Screw/(pi*(Core diameter of screw^3))

Torsional Moment in Screw given Torsional Shear Stress

Go Torsional Moment on Screw = Torsional shear stress in screw*pi*(Core diameter of screw^3)/16

Direct Compressive Stress in Screw

Go Compressive stress in screw = (Axial load on screw*4)/(pi*Core diameter of screw^2)

Axial Load on Screw given Direct Compressive Stress

Go Axial load on screw = (Compressive stress in screw*pi*Core diameter of screw^2)/4

Nominal Diameter of Power Screw given Mean Diameter

Go Nominal diameter of screw = Mean Diameter of Power Screw+(0.5*Pitch of power screw thread)

Pitch of Screw given Mean Diameter

Go Pitch of power screw thread = (Nominal diameter of screw-Mean Diameter of Power Screw)/0.5

Mean Diameter of Power Screw

Go Mean Diameter of Power Screw = Nominal diameter of screw-0.5*Pitch of power screw thread

Nominal Diameter of Power Screw

Go Nominal diameter of screw = Core diameter of screw+Pitch of power screw thread

Core Diameter of Power Screw

Go Core diameter of screw = Nominal diameter of screw-Pitch of power screw thread

Pitch of Power Screw

Go Pitch of power screw thread = Nominal diameter of screw-Core diameter of screw

Pitch of Screw given Mean Diameter Formula

Pitch of power screw thread = (Nominal diameter of screw-Mean Diameter of Power Screw)/0.5
p = (d-d_m)/0.5

Define Pitch of Screw?

The distance from a point on a screw thread to a corresponding point on the next thread measured parallel to the axis. The pitch in inches: 1 divided by the Number of threads per inch. Angle of Thread: The angle included between the sides of the thread measured in an axial plane.

How to Calculate Pitch of Screw given Mean Diameter?

Pitch of Screw given Mean Diameter calculator uses Pitch of power screw thread = (Nominal diameter of screw-Mean Diameter of Power Screw)/0.5 to calculate the Pitch of power screw thread, The Pitch of Screw given Mean Diameter formula is defined as the distance from a point on a screw thread to a corresponding point on the next thread measured parallel to the axis. Pitch of power screw thread is denoted by p symbol.

How to calculate Pitch of Screw given Mean Diameter using this online calculator? To use this online calculator for Pitch of Screw given Mean Diameter, enter Nominal diameter of screw (d) & Mean Diameter of Power Screw (d_m) and hit the calculate button. Here is how the Pitch of Screw given Mean Diameter calculation can be explained with given input values -> 8000 = (0.05-0.046)/0.5.

FAQ

What is Pitch of Screw given Mean Diameter?

The Pitch of Screw given Mean Diameter formula is defined as the distance from a point on a screw thread to a corresponding point on the next thread measured parallel to the axis and is represented as p = (d-d_m)/0.5 or Pitch of power screw thread = (Nominal diameter of screw-Mean Diameter of Power Screw)/0.5. Nominal diameter of screw is defined as the diameter of the cylinder touching the external threads of the screw & Mean Diameter of Power Screw is the average diameter of the bearing surface - or more accurately, twice the average distance from the centreline of the thread to the bearing surface.

How to calculate Pitch of Screw given Mean Diameter?

The Pitch of Screw given Mean Diameter formula is defined as the distance from a point on a screw thread to a corresponding point on the next thread measured parallel to the axis is calculated using Pitch of power screw thread = (Nominal diameter of screw-Mean Diameter of Power Screw)/0.5. To calculate Pitch of Screw given Mean Diameter, you need Nominal diameter of screw (d) & Mean Diameter of Power Screw (d_m). With our tool, you need to enter the respective value for Nominal diameter of screw & Mean Diameter of Power Screw 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 Pitch of power screw thread?

In this formula, Pitch of power screw thread uses Nominal diameter of screw & Mean Diameter of Power Screw. We can use 1 other way(s) to calculate the same, which is/are as follows -

Pitch of power screw thread = Nominal diameter of screw-Core diameter of screw

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