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Dedendum Circle Diameter of Gear given Pitch Circle Diameter Formula

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The Dedendum Circle Diameter of Helical Gear is the diameter of a circle touching the root of the gear teeth. Check FAQs

d f = d - 2 \cdot d h

d_f - Dedendum Circle Diameter of Helical Gear?d - Diameter of Pitch Circle of Helical Gear?d_h - Dedendum of Helical Gear?

Dedendum Circle Diameter of Gear given Pitch Circle Diameter Example

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Here is how the Dedendum Circle Diameter of Gear given Pitch Circle Diameter equation looks like with Values.

Here is how the Dedendum Circle Diameter of Gear given Pitch Circle Diameter equation looks like with Units.

Here is how the Dedendum Circle Diameter of Gear given Pitch Circle Diameter equation looks like.

108 = 118 - 2 \cdot 5

108mm = 118mm - 2 \cdot 5mm

108 = 118 - 2 \cdot 5

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Dedendum Circle Diameter of Gear given Pitch Circle Diameter Solution

Follow our step by step solution on how to calculate Dedendum Circle Diameter of Gear given Pitch Circle Diameter?

FIRST Step Consider the formula

d f = d - 2 \cdot d h

Next Step Substitute values of Variables

∴

d f = 118mm - 2 \cdot 5mm

Next Step Convert Units

∴

d f = 0.118m - 2 \cdot 0.005m

Next Step Prepare to Evaluate

∴

d f = 0.118 - 2 \cdot 0.005

Next Step Evaluate

∴

d f = 0.108m

LAST Step Convert to Output's Unit

∴

d f = 108mm

Dedendum Circle Diameter of Gear given Pitch Circle Diameter Formula Elements

Variables

Dedendum Circle Diameter of Helical Gear

The Dedendum Circle Diameter of Helical Gear is the diameter of a circle touching the root of the gear teeth.

Symbol: d_f

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Dedendum Circle Diameter of Helical Gear

Diameter of Pitch Circle of Helical Gear

Diameter of Pitch Circle of Helical Gear is the diameter of the pitch circle of a gear that touches the meshing gear's pitch circle.

Symbol: d

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Diameter of Pitch Circle of Helical Gear

Dedendum of Helical Gear

Dedendum of Helical Gear is defined as the radial distance from the pitch circle of a toothed wheel or a gear to the bottom of the tooth space or groove.

Symbol: d_h

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Dedendum of Helical Gear

Other formulas in Core Design Parameters category

Go Transverse Module of Helical Gear given Transverse Diametrical Pitch

m = \frac{1}{P}

Go Normal Module of Helical Gear

m n = m \cdot \cos (ψ)

Go Transverse Module of Helical Gear given Normal Module

m = \frac{m n}{\cos (ψ)}

Go Pitch Circle Diameter of Helical Gear

d = z \cdot \frac{m n}{\cos (ψ)}

How to Evaluate Dedendum Circle Diameter of Gear given Pitch Circle Diameter?

Dedendum Circle Diameter of Gear given Pitch Circle Diameter evaluator uses Dedendum Circle Diameter of Helical Gear = Diameter of Pitch Circle of Helical Gear-2*Dedendum of Helical Gear to evaluate the Dedendum Circle Diameter of Helical Gear, Dedendum Circle Diameter of Gear given Pitch Circle Diameter formula is defined as the diameter of the imaginary circle touching the gear teeth and its center is at the gear's center. Dedendum Circle Diameter of Helical Gear is denoted by d_f symbol.

How to evaluate Dedendum Circle Diameter of Gear given Pitch Circle Diameter using this online evaluator? To use this online evaluator for Dedendum Circle Diameter of Gear given Pitch Circle Diameter, enter Diameter of Pitch Circle of Helical Gear (d) & Dedendum of Helical Gear (d_h) and hit the calculate button.

FAQs on Dedendum Circle Diameter of Gear given Pitch Circle Diameter

What is the formula to find Dedendum Circle Diameter of Gear given Pitch Circle Diameter?

The formula of Dedendum Circle Diameter of Gear given Pitch Circle Diameter is expressed as Dedendum Circle Diameter of Helical Gear = Diameter of Pitch Circle of Helical Gear-2*Dedendum of Helical Gear. Here is an example- 108000 = 0.118-2*0.005.

How to calculate Dedendum Circle Diameter of Gear given Pitch Circle Diameter?

With Diameter of Pitch Circle of Helical Gear (d) & Dedendum of Helical Gear (d_h) we can find Dedendum Circle Diameter of Gear given Pitch Circle Diameter using the formula - Dedendum Circle Diameter of Helical Gear = Diameter of Pitch Circle of Helical Gear-2*Dedendum of Helical Gear.

Can the Dedendum Circle Diameter of Gear given Pitch Circle Diameter be negative?

No, the Dedendum Circle Diameter of Gear given Pitch Circle Diameter, measured in Length cannot be negative.

Which unit is used to measure Dedendum Circle Diameter of Gear given Pitch Circle Diameter?

Dedendum Circle Diameter of Gear given Pitch Circle Diameter is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Dedendum Circle Diameter of Gear given Pitch Circle Diameter can be measured.

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Dedendum Circle Diameter of Gear given Pitch Circle Diameter Formula

Dedendum Circle Diameter of Gear given Pitch Circle Diameter Example

Dedendum Circle Diameter of Gear given Pitch Circle Diameter Solution

Dedendum Circle Diameter of Gear given Pitch Circle Diameter Formula Elements

Other formulas in Core Design Parameters category

How to Evaluate Dedendum Circle Diameter of Gear given Pitch Circle Diameter?

FAQs on Dedendum Circle Diameter of Gear given Pitch Circle Diameter

Variable Name