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Lead of Power Screw is the linear travel the nut makes per one screw revolution and is how power screws are typically specified. Check FAQs
L=2πηMttWa
L - Lead of Power Screw?η - Efficiency of power screw?Mtt - Torsional Moment on Screw?Wa - Axial load on screw?π - Archimedes' constant?

Lead of Screw given Overall Efficiency Example

With values
With units
Only example

Here is how the Lead of Screw given Overall Efficiency equation looks like with Values.

Here is how the Lead of Screw given Overall Efficiency equation looks like with Units.

Here is how the Lead of Screw given Overall Efficiency equation looks like.

11.0577Edit=23.14160.35Edit658700Edit131000Edit
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Lead of Screw given Overall Efficiency Solution

Follow our step by step solution on how to calculate Lead of Screw given Overall Efficiency?

FIRST Step Consider the formula
L=2πηMttWa
Next Step Substitute values of Variables
L=2π0.35658700N*mm131000N
Next Step Substitute values of Constants
L=23.14160.35658700N*mm131000N
Next Step Convert Units
L=23.14160.35658.7N*m131000N
Next Step Prepare to Evaluate
L=23.14160.35658.7131000
Next Step Evaluate
L=0.0110576866919368m
Next Step Convert to Output's Unit
L=11.0576866919368mm
LAST Step Rounding Answer
L=11.0577mm

Lead of Screw given Overall Efficiency Formula Elements

Variables
Constants
Lead of Power Screw
Lead of Power Screw is the linear travel the nut makes per one screw revolution and is how power screws are typically specified.
Symbol: L
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Efficiency of power screw
Efficiency of power screw refers to how well it converts rotary energy into linear energy or motion.
Symbol: η
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.
Torsional Moment on Screw
Torsional moment on screw is the torque applied which generates a torsion (twist) within the screw body.
Symbol: Mtt
Measurement: TorqueUnit: N*mm
Note: Value should be greater than 0.
Axial load on screw
Axial load on screw is the instantaneous load applied to the screw along its axis.
Symbol: Wa
Measurement: ForceUnit: N
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288

Other Formulas to find Lead of Power Screw

​Go Lead of Screw given Helix angle
L=tan(α)πdm

Other formulas in Design of Screw and Nut category

​Go Core Diameter of Power Screw
dc=d-p
​Go Nominal Diameter of Power Screw
d=dc+p
​Go Pitch of Power Screw
p=d-dc
​Go Mean Diameter of Power Screw
dm=d-0.5p

How to Evaluate Lead of Screw given Overall Efficiency?

Lead of Screw given Overall Efficiency evaluator uses Lead of Power Screw = 2*pi*Efficiency of power screw*Torsional Moment on Screw/Axial load on screw to evaluate the Lead of Power Screw, The Lead of Screw given Overall Efficiency is defined as the distance measured parallel to the axis of the screw which the nut will advance in one revolution of the screw. Lead of Power Screw is denoted by L symbol.

How to evaluate Lead of Screw given Overall Efficiency using this online evaluator? To use this online evaluator for Lead of Screw given Overall Efficiency, enter Efficiency of power screw (η), Torsional Moment on Screw (Mtt) & Axial load on screw (Wa) and hit the calculate button.

FAQs on Lead of Screw given Overall Efficiency

What is the formula to find Lead of Screw given Overall Efficiency?
The formula of Lead of Screw given Overall Efficiency is expressed as Lead of Power Screw = 2*pi*Efficiency of power screw*Torsional Moment on Screw/Axial load on screw. Here is an example- 11057.69 = 2*pi*0.35*658.7/131000.
How to calculate Lead of Screw given Overall Efficiency?
With Efficiency of power screw (η), Torsional Moment on Screw (Mtt) & Axial load on screw (Wa) we can find Lead of Screw given Overall Efficiency using the formula - Lead of Power Screw = 2*pi*Efficiency of power screw*Torsional Moment on Screw/Axial load on screw. This formula also uses Archimedes' constant .
What are the other ways to Calculate Lead of Power Screw?
Here are the different ways to Calculate Lead of Power Screw-
  • Lead of Power Screw=tan(Helix angle of screw)*pi*Mean Diameter of Power ScrewOpenImg
Can the Lead of Screw given Overall Efficiency be negative?
No, the Lead of Screw given Overall Efficiency, measured in Length cannot be negative.
Which unit is used to measure Lead of Screw given Overall Efficiency?
Lead of Screw given Overall Efficiency is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Lead of Screw given Overall Efficiency can be measured.
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