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Helix Angle Calculator

Formula

The formula to calculate the Helix Angle is:

$\psi = \tan^{-1}\left(\frac{L}{C}\right)$

Definition

Helix Angle is the angle between any helix and an axial line on its right, circular cylinder, or cone.

Example Calculation

Let's assume the following values:

Lead of Screw (L) = 0.011 m
Circumference of Screw (C) = 11.5 m

Using the formula:

$\psi = \tan^{-1}\left(\frac{0.011}{11.5}\right) \approx 0.00095652144741256 \text{ radians}$

Conversion Chart

Lead of Screw (L)	Helix Angle (ψ)
0.01 m	0.000869564998219 radians
0.011 m	0.000956521447413 radians
0.012 m	0.001043477882140 radians
0.013 m	0.001130434301088 radians
0.014 m	0.001217390702940 radians
0.015 m	0.001304347086382 radians
0.016 m	0.001391303450098 radians
0.017 m	0.001478259792774 radians
0.018 m	0.001565216113095 radians
0.019 m	0.001652172409745 radians

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