Anshika Arya
National Institute Of Technology (NIT), Hamirpur
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7 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
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
Helix Angle for multi-threaded screw
Helix Angle=atan((Number of Threads*Pitch)/(pi*Mean diameter of Screw)) GO
Lead of Screw
Lead of Screw=Pitch*Number of Threads GO

2 Other formulas that calculate the same Output

Helix Angle for multi-threaded screw
Helix Angle=atan((Number of Threads*Pitch)/(pi*Mean diameter of Screw)) GO
Helix Angle
Helix Angle=atan(Lead of Screw/Circumference of Screw) GO

Helix Angle for single threaded screw Formula

Helix Angle=atan(Pitch/(pi*Mean diameter of Screw))
More formulas
Lead of Screw GO
Helix Angle GO
Helix Angle for multi-threaded screw GO
Force at circumference of the screw when weight of load, helix angle and coefficient of friction is known GO
Force at circumference of the screw when weight of load, helix angle and limiting angle is known GO
Mean radius of the collar GO
Torque required to overcome friction between screw and nut GO
Torque required to overcome friction at collar GO
Force required to lower the load by a screw jack when weight of load, helix angle and coefficient of friction is known GO
Force required to lower the load by a screw jack when weight of load, helix angle and limiting angle is known GO
Torque required to overcome friction between screw and nut(lowering load) GO
Torque required to overcome friction between screw and nut(lowering load) GO
Efficiency of screw jack when only screw friction considered GO
Ideal effort to raise the load by screw jack GO
Efficiency of screw jack when screw friction as well as collar friction considered GO
Maximum efficiency of screw a jack GO
Pressure over bearing area of flat pivot bearing GO
Total frictional torque on flat pivot bearing considering uniform pressure GO
Total frictional torque on flat pivot bearing considering uniform wear GO
Total vertical load transmitted to conical pivot bearing (uniform pressure) GO
Total frictional torque on conical pivot bearing considering uniform pressure GO
Total frictional torque on conical pivot bearing considering uniform pressure when slant height of cone is given GO
Total frictional torque on conical pivot bearing considering uniform wear when slant height of cone GO
Total frictional torque on conical pivot bearing considering uniform wear GO
Total frictional torque on truncated conical pivot bearing considering uniform pressure GO
Total frictional torque on truncated conical pivot bearing considering uniform wear GO

What is helix angle in thread?

The thread angle is the angle produced between the threads. For a straight thread, where the lead of the thread and the pitch diameter circle circumference form a right angled triangle, the helix angle is the angle opposite the lead.

How do you find the helix angle?

In terms specific to screws, the helix angle can be found by unraveling the helix from the screw, representing the section as a right triangle, and calculating the angle that is formed.

How to Calculate Helix Angle for single threaded screw?

Helix Angle for single threaded screw calculator uses Helix Angle=atan(Pitch/(pi*Mean diameter of Screw)) to calculate the Helix Angle, Helix Angle for single threaded screw is the angle produced between the threads. Helix Angle and is denoted by α symbol.

How to calculate Helix Angle for single threaded screw using this online calculator? To use this online calculator for Helix Angle for single threaded screw, enter Pitch (p) and Mean diameter of Screw (d) and hit the calculate button. Here is how the Helix Angle for single threaded screw calculation can be explained with given input values -> 0.13186 = atan(5/(pi*12)).

FAQ

What is Helix Angle for single threaded screw?
Helix Angle for single threaded screw is the angle produced between the threads and is represented as α=atan(p/(pi*d)) or Helix Angle=atan(Pitch/(pi*Mean diameter of Screw)). Pitch is the distance between screw threads and is commonly used with inch sized products and specified as threads per inch and Mean diameter of Screw is the distance from the outer thread on one side to the outer thread on the other side.
How to calculate Helix Angle for single threaded screw?
Helix Angle for single threaded screw is the angle produced between the threads is calculated using Helix Angle=atan(Pitch/(pi*Mean diameter of Screw)). To calculate Helix Angle for single threaded screw, you need Pitch (p) and Mean diameter of Screw (d). With our tool, you need to enter the respective value for Pitch 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 Helix Angle?
In this formula, Helix Angle uses Pitch and Mean diameter of Screw. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Helix Angle=atan(Lead of Screw/Circumference of Screw)
  • Helix Angle=atan((Number of Threads*Pitch)/(pi*Mean diameter of Screw))
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