Kethavath Srinath
Osmania University (OU), Hyderabad
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Rushi Shah
K J Somaiya College of Engineering (K J Somaiya), Mumbai
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11 Other formulas that you can solve using the same Inputs

Efficiency of screw jack when screw friction as well as collar friction considered
Efficiency =(Weight*tan(Helix Angle)*Mean diameter of Screw)/((Weight of Load*tan(Helix Angle+Limiting angle of friction)*Mean diameter of Screw)+(Coefficient of friction for collar*Weight of Load*Mean radius of collar)) GO
Total torque required to overcome friction in rotating a screw
Torque=(Weight of Load*tan(Helix Angle+Limiting angle of friction)*Mean diameter of Screw/2)+(Coefficient of friction for collar*Weight of Load*Mean radius of collar) GO
Force required to lower the load by a screw jack when weight of load, helix angle and coefficient of friction is known
Force=Weight of Load*((Coefficient of Friction*cos(Helix Angle))-sin(Helix Angle))/(cos(Helix Angle)+(Coefficient of Friction*sin(Helix Angle))) GO
Force at circumference of the screw when weight of load, helix angle and coefficient of friction is known
Force=Weight*((sin(Helix Angle)+(Coefficient of Friction*cos(Helix Angle)))/(cos(Helix Angle)-(Coefficient of Friction*sin(Helix Angle)))) GO
Torque required to overcome friction between screw and nut(lowering load)
Torque=Weight of Load*tan(Limiting angle of friction-Helix Angle)*Mean diameter of Screw/2 GO
Torque required to overcome friction between screw and nut(lowering load)
Torque=Weight of Load*tan(Limiting angle of friction-Helix Angle)*Mean diameter of Screw/2 GO
Torque required to overcome friction between screw and nut
Torque=Weight of Load*tan(Helix Angle+Limiting angle of friction)*Mean diameter of Screw/2 GO
Efficiency of screw jack when only screw friction considered
Efficiency =tan(Helix Angle)/tan(Helix Angle+Limiting angle of friction) GO
Force required to lower the load by a screw jack when weight of load, helix angle and limiting angle is known
Force=Weight of Load*tan(Limiting angle of friction-Helix Angle) GO
Force at circumference of the screw when weight of load, helix angle and limiting angle is known
Force=Weight of Load*tan(Helix Angle+Limiting angle of friction) GO
Ideal effort to raise the load by screw jack
Ideal Effort=Weight of Load*tan(Helix Angle) GO

2 Other formulas that calculate the same Output

Lead of the Screw When Overall Efficiency is Given
Lead of Screw=2*pi*Overall Efficiency of Power Screw*Torsional Moment/Axial Load GO
Lead of Screw
Lead of Screw=Pitch*Number of Threads GO

Lead of Screw When Helix angle is Given Formula

Lead of Screw=tan(Helix Angle)*pi*Mean diameter of screw
L=tan(α)*pi*d<sub>mean</sub>
More formulas
Core Diameter of Power Screw GO
Nominal Diameter of Power Screw GO
Pitch of Power Screw GO
Mean Diameter of Power Screw GO
Nominal Diameter of Power Screw When Mean DIameter is Given GO
Pitch of the Screw When Mean Diameter is Given GO
Helix Angle of Thread GO
Mean diameter of Screw When Helix Angle is Given GO
Efficiency of Square Threaded Screw GO
Coefficient of Friction When Efficiency of Square Threaded Screw is Given GO
Maximum Efficiency of Square Threaded Screw GO
Lead of the Screw When Overall Efficiency is Given GO
External Torque Required to Raise The Load in Terms of Efficiency GO
load When Overall Efficiency is Given GO
Overall Efficiency of a Power Screw GO

Define Lead of a Screw?

Lead is the axial advance of a helix or screw during one complete turn (360°) The lead for a screw thread is the axial travel for a single revolution. Pitch is defined as the axial distance between adjacent threads on a helix or screw

How to Calculate Lead of Screw When Helix angle is Given?

Lead of Screw When Helix angle is Given calculator uses Lead of Screw=tan(Helix Angle)*pi*Mean diameter of screw to calculate the Lead of Screw, Lead of Screw When Helix angle is Given formula is defined as the axial advance of a helix or screw during one complete turn (360°) The lead for a screw thread is the axial travel for a single revolution. Lead of Screw and is denoted by L symbol.

How to calculate Lead of Screw When Helix angle is Given using this online calculator? To use this online calculator for Lead of Screw When Helix angle is Given, enter Helix Angle (α) and Mean diameter of screw (dmean) and hit the calculate button. Here is how the Lead of Screw When Helix angle is Given calculation can be explained with given input values -> 0.021766 = tan(30)*pi*0.012.

FAQ

What is Lead of Screw When Helix angle is Given?
Lead of Screw When Helix angle is Given formula is defined as the axial advance of a helix or screw during one complete turn (360°) The lead for a screw thread is the axial travel for a single revolution and is represented as L=tan(α)*pi*dmean or Lead of Screw=tan(Helix Angle)*pi*Mean diameter of screw. Helix Angle denotes the standard pitch circle unless otherwise specified. Application of the helix angle typically employs a magnitude ranging from 15° to 30° for helical gears, with 45° capping the safe operation limit and Mean diameter of screw is the average diameter of the bearing surface.
How to calculate Lead of Screw When Helix angle is Given?
Lead of Screw When Helix angle is Given formula is defined as the axial advance of a helix or screw during one complete turn (360°) The lead for a screw thread is the axial travel for a single revolution is calculated using Lead of Screw=tan(Helix Angle)*pi*Mean diameter of screw. To calculate Lead of Screw When Helix angle is Given, you need Helix Angle (α) and Mean diameter of screw (dmean). With our tool, you need to enter the respective value for Helix Angle and Mean diameter of 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 Lead of Screw?
In this formula, Lead of Screw uses Helix Angle and Mean diameter of screw. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Lead of Screw=Pitch*Number of Threads
  • Lead of Screw=2*pi*Overall Efficiency of Power Screw*Torsional Moment/Axial Load
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