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Nominal diameter of screw is defined as the diameter of the cylinder touching the external threads of the screw. Check FAQs
d=dm+(0.5⋅p)
d - Nominal diameter of screw?dm - Mean Diameter of Power Screw?p - Pitch of power screw thread?

Nominal Diameter of Power Screw given Mean Diameter Example

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With units
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Here is how the Nominal Diameter of Power Screw given Mean Diameter equation looks like with Values.

Here is how the Nominal Diameter of Power Screw given Mean Diameter equation looks like with Units.

Here is how the Nominal Diameter of Power Screw given Mean Diameter equation looks like.

49.9Edit=46Edit+(0.5⋅7.8Edit)
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Nominal Diameter of Power Screw given Mean Diameter Solution

Follow our step by step solution on how to calculate Nominal Diameter of Power Screw given Mean Diameter?

FIRST Step Consider the formula
d=dm+(0.5⋅p)
Next Step Substitute values of Variables
∴ d=46mm+(0.5⋅7.8mm)
Next Step Convert Units
∴ d=0.046m+(0.5⋅0.0078m)
Next Step Prepare to Evaluate
∴ d=0.046+(0.5⋅0.0078)
Next Step Evaluate
∴d=0.0499m
LAST Step Convert to Output's Unit
∴d=49.9mm

Nominal Diameter of Power Screw given Mean Diameter Formula Elements

Variables
Nominal diameter of screw
Nominal diameter of screw is defined as the diameter of the cylinder touching the external threads of the screw.
Symbol: d
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Formulas to find Nominal diameter of screwOpen Variable
Mean Diameter of Power 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.
Symbol: dm
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Formulas to find Mean Diameter of Power ScrewOpen Variable
Pitch of power screw thread
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.
Symbol: p
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Formulas to find Pitch of power screw threadOpen Variable

Other Formulas to find Nominal diameter of screw

​Go Nominal Diameter of Power Screw
d=dc+p
​Go Nominal Diameter of Screw given Transverse Shear Stress at Root of Nut
d=Waπ⋅tn⋅t⋅z
​Go Nominal Diameter of Screw given Unit Bearing Pressure
d=(4⋅WaSb⋅π⋅z)+(dc)2

Other formulas in Design of Screw and Nut category

​Go Core Diameter of Power Screw
dc=d-p
​Go Pitch of Power Screw
p=d-dc
​Go Mean Diameter of Power Screw
dm=d-0.5⋅p
​Go Pitch of Screw given Mean Diameter
p=d-dm0.5

How to Evaluate Nominal Diameter of Power Screw given Mean Diameter?

Nominal Diameter of Power Screw given Mean Diameter evaluator uses Nominal diameter of screw = Mean Diameter of Power Screw+(0.5*Pitch of power screw thread) to evaluate the Nominal diameter of screw, The Nominal Diameter of Power Screw given Mean Diameter formula is defined as the largest diameter of the screw. It is aslo known as major diameter. Nominal diameter of screw is denoted by d symbol.

How to evaluate Nominal Diameter of Power Screw given Mean Diameter using this online evaluator? To use this online evaluator for Nominal Diameter of Power Screw given Mean Diameter, enter Mean Diameter of Power Screw (dm) & Pitch of power screw thread (p) and hit the calculate button.

FAQs on Nominal Diameter of Power Screw given Mean Diameter

What is the formula to find Nominal Diameter of Power Screw given Mean Diameter?
The formula of Nominal Diameter of Power Screw given Mean Diameter is expressed as Nominal diameter of screw = Mean Diameter of Power Screw+(0.5*Pitch of power screw thread). Here is an example- 49900 = 0.046+(0.5*0.0078).
How to calculate Nominal Diameter of Power Screw given Mean Diameter?
With Mean Diameter of Power Screw (dm) & Pitch of power screw thread (p) we can find Nominal Diameter of Power Screw given Mean Diameter using the formula - Nominal diameter of screw = Mean Diameter of Power Screw+(0.5*Pitch of power screw thread).
What are the other ways to Calculate Nominal diameter of screw?
Here are the different ways to Calculate Nominal diameter of screw-
  • Nominal diameter of screw=Core diameter of screw+Pitch of power screw threadOpenImg
  • Nominal diameter of screw=Axial load on screw/(pi*Transverse shear stress in nut*Thread Thickness*Number of Engaged Threads)OpenImg
  • Nominal diameter of screw=sqrt((4*Axial load on screw/(Unit bearing pressure for nut*pi*Number of Engaged Threads))+(Core diameter of screw)^2)OpenImg
Can the Nominal Diameter of Power Screw given Mean Diameter be negative?
No, the Nominal Diameter of Power Screw given Mean Diameter, measured in Length cannot be negative.
Which unit is used to measure Nominal Diameter of Power Screw given Mean Diameter?
Nominal Diameter of Power Screw given Mean Diameter is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Nominal Diameter of Power Screw given Mean Diameter can be measured.
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