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Helix Angle of Helical Gear given Addendum Circle Diameter Formula

GoHelix Angle of Helical Gear given Normal Circular Pitch Formula

GoHelix Angle of Helical Gear given Normal Module Formula

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Helix Angle of Helical Gear is the angle between any helical gear and an axial line on its right, circular cylinder, or cone. Check FAQs

ψ = a \cos (\frac{z}{\frac{d a}{m n} - 2})

ψ - Helix Angle of Helical Gear?z - Number of Teeth on Helical Gear?d_a - Addendum Circle Diameter of Helical Gear?m_n - Normal Module of Helical Gear?

Helix Angle of Helical Gear given Addendum Circle Diameter Example

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Here is how the Helix Angle of Helical Gear given Addendum Circle Diameter equation looks like with Values.

Here is how the Helix Angle of Helical Gear given Addendum Circle Diameter equation looks like with Units.

Here is how the Helix Angle of Helical Gear given Addendum Circle Diameter equation looks like.

32.7638 = a \cos (\frac{37}{\frac{138}{3} - 2})

32.7638° = a \cos (\frac{37}{\frac{138mm}{3mm} - 2})

32.7638 = a \cos (\frac{37}{\frac{138}{3} - 2})

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Helix Angle of Helical Gear given Addendum Circle Diameter Solution

Follow our step by step solution on how to calculate Helix Angle of Helical Gear given Addendum Circle Diameter?

FIRST Step Consider the formula

ψ = a \cos (\frac{z}{\frac{d a}{m n} - 2})

Next Step Substitute values of Variables

∴

ψ = a \cos (\frac{37}{\frac{138mm}{3mm} - 2})

Next Step Convert Units

∴

ψ = a \cos (\frac{37}{\frac{0.138m}{0.003m} - 2})

Next Step Prepare to Evaluate

∴

ψ = a \cos (\frac{37}{\frac{0.138}{0.003} - 2})

Next Step Evaluate

∴

ψ = 0.571835448217889rad

Next Step Convert to Output's Unit

∴

ψ = 32.763757758863°

LAST Step Rounding Answer

∴

ψ = 32.7638°

Helix Angle of Helical Gear given Addendum Circle Diameter Formula Elements

Variables

Functions

Helix Angle of Helical Gear

Helix Angle of Helical Gear is the angle between any helical gear and an axial line on its right, circular cylinder, or cone.

Symbol: ψ

Measurement: AngleUnit: °

Note: Value should be greater than 0.

Formulas to find Helix Angle of Helical Gear

Number of Teeth on Helical Gear

Number of Teeth on Helical Gear is defined as the number of teeth (which mesh with another compatible toothed part to transmit or convert torque and speed) on a specimen or part under consideration.

Symbol: z

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Teeth on Helical Gear

Addendum Circle Diameter of Helical Gear

The Addendum Circle Diameter of Helical Gear is defined as a circle touching the outermost points of the teeth of a circular gear wheel.

Symbol: d_a

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Addendum Circle Diameter of Helical Gear

Normal Module of Helical Gear

The Normal Module of Helical Gear is defined as the unit of size that indicates how big or small is the helical gear.

Symbol: m_n

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Normal Module of Helical Gear

cos

Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.

Syntax: cos(Angle)

acos

The inverse cosine function, is the inverse function of the cosine function. It is the function that takes a ratio as an input and returns the angle whose cosine is equal to that ratio.

Syntax: acos(Number)

Other Formulas to find Helix Angle of Helical Gear

Go Helix Angle of Helical Gear given Normal Circular Pitch

ψ = a \cos (\frac{P N}{p})

Go Helix Angle of Helical Gear given Normal Module

ψ = a \cos (\frac{m n}{m})

Go Helix Angle of Helical Gear given Axial Pitch

ψ = a \tan (\frac{p}{p a})

Go Helix Angle of Helical Gear given Pressure Angle

ψ = a \cos (\frac{\tan (α n)}{\tan (α)})

Other formulas in Helix Geometry category

Go Normal Circular Pitch of Helical Gear

P N = p \cdot \cos (ψ)

Go Pitch of Helical Gear given Normal Circular Pitch

p = \frac{P N}{\cos (ψ)}

Go Transverse Diametrical Pitch of Helical Gear given Transverse Module

P = \frac{1}{m}

Go Axial Pitch of Helical Gear given Helix Angle

p a = \frac{p}{\tan (ψ)}

How to Evaluate Helix Angle of Helical Gear given Addendum Circle Diameter?

Helix Angle of Helical Gear given Addendum Circle Diameter evaluator uses Helix Angle of Helical Gear = acos(Number of Teeth on Helical Gear/(Addendum Circle Diameter of Helical Gear/Normal Module of Helical Gear-2)) to evaluate the Helix Angle of Helical Gear, Helix Angle of Helical Gear given Addendum Circle Diameter formula is defined as the angle between the axis of the shaft and the centerline of the tooth taken on the pitch plane. Helix Angle of Helical Gear is denoted by ψ symbol.

How to evaluate Helix Angle of Helical Gear given Addendum Circle Diameter using this online evaluator? To use this online evaluator for Helix Angle of Helical Gear given Addendum Circle Diameter, enter Number of Teeth on Helical Gear (z), Addendum Circle Diameter of Helical Gear (d_a) & Normal Module of Helical Gear (m_n) and hit the calculate button.

FAQs on Helix Angle of Helical Gear given Addendum Circle Diameter

What is the formula to find Helix Angle of Helical Gear given Addendum Circle Diameter?

The formula of Helix Angle of Helical Gear given Addendum Circle Diameter is expressed as Helix Angle of Helical Gear = acos(Number of Teeth on Helical Gear/(Addendum Circle Diameter of Helical Gear/Normal Module of Helical Gear-2)). Here is an example- 1877.225 = acos(37/(0.138/0.003-2)).

How to calculate Helix Angle of Helical Gear given Addendum Circle Diameter?

With Number of Teeth on Helical Gear (z), Addendum Circle Diameter of Helical Gear (d_a) & Normal Module of Helical Gear (m_n) we can find Helix Angle of Helical Gear given Addendum Circle Diameter using the formula - Helix Angle of Helical Gear = acos(Number of Teeth on Helical Gear/(Addendum Circle Diameter of Helical Gear/Normal Module of Helical Gear-2)). This formula also uses Cosine (cos), Inverse Cosine (acos) function(s).

What are the other ways to Calculate Helix Angle of Helical Gear?

Here are the different ways to Calculate Helix Angle of Helical Gear-

Helix Angle of Helical Gear=acos(Normal Circular Pitch of Helical Gear/Pitch of Helical Gear)
Helix Angle of Helical Gear=acos(Normal Module of Helical Gear/Transverse Module of Helical Gear)
Helix Angle of Helical Gear=atan(Pitch of Helical Gear/Axial Pitch of Helical Gear)

Can the Helix Angle of Helical Gear given Addendum Circle Diameter be negative?

No, the Helix Angle of Helical Gear given Addendum Circle Diameter, measured in Angle cannot be negative.

Which unit is used to measure Helix Angle of Helical Gear given Addendum Circle Diameter?

Helix Angle of Helical Gear given Addendum Circle Diameter is usually measured using the Degree[°] for Angle. Radian[°], Minute[°], Second[°] are the few other units in which Helix Angle of Helical Gear given Addendum Circle Diameter can be measured.

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Helix Angle of Helical Gear given Addendum Circle Diameter Formula

​GoHelix Angle of Helical Gear given Normal Circular Pitch Formula

​GoHelix Angle of Helical Gear given Normal Module Formula

Helix Angle of Helical Gear given Addendum Circle Diameter Example

Helix Angle of Helical Gear given Addendum Circle Diameter Solution

Helix Angle of Helical Gear given Addendum Circle Diameter Formula Elements

Other Formulas to find Helix Angle of Helical Gear

Other formulas in Helix Geometry category

How to Evaluate Helix Angle of Helical Gear given Addendum Circle Diameter?

FAQs on Helix Angle of Helical Gear given Addendum Circle Diameter

Variable Name

GoHelix Angle of Helical Gear given Normal Circular Pitch Formula

GoHelix Angle of Helical Gear given Normal Module Formula