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Dedendum Circle Diameter of Spur Gear is the diameter of a circle touching the root of the gear teeth. Check FAQs
df=d-(2⋅hf)
df - Dedendum Circle Diameter of Spur Gear?d - Pitch Circle Diameter of Spur Gear?hf - Dedundum of Spur Gear?

Dedendum Circle Diameter of Small Size Gear given Dedendum Example

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With units
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Here is how the Dedendum Circle Diameter of Small Size Gear given Dedendum equation looks like with Values.

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

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

106Edit=118Edit-(2⋅6Edit)
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Dedendum Circle Diameter of Small Size Gear given Dedendum Solution

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

FIRST Step Consider the formula
df=d-(2⋅hf)
Next Step Substitute values of Variables
∴ df=118mm-(2⋅6mm)
Next Step Convert Units
∴ df=0.118m-(2⋅0.006m)
Next Step Prepare to Evaluate
∴ df=0.118-(2⋅0.006)
Next Step Evaluate
∴df=0.106m
LAST Step Convert to Output's Unit
∴df=106mm

Dedendum Circle Diameter of Small Size Gear given Dedendum Formula Elements

Variables
Dedendum Circle Diameter of Spur Gear
Dedendum Circle Diameter of Spur Gear is the diameter of a circle touching the root of the gear teeth.
Symbol: df
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Formulas to find Dedendum Circle Diameter of Spur GearOpen Variable
Pitch Circle Diameter of Spur Gear
Pitch Circle Diameter of Spur 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 Pitch Circle Diameter of Spur GearOpen Variable
Dedundum of Spur Gear
The Dedundum of Spur Gear is the root of a gear tooth also: the distance between the dedendum circle and pitch circle of a gear wheel or rack.
Symbol: hf
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Formulas to find Dedundum of Spur GearOpen Variable

Other Formulas to find Dedendum Circle Diameter of Spur Gear

​Go Dedendum Circle Diameter of Small Size Gear given Number of Teeth and Module
df=m⋅(z-2.5)
​Go Dedendum Circle Diameter of Medium Size Gear given Module and Number of Teeth
df=m⋅(z-2.5)
​Go Dedendum Circle Diameter of Medium Size Gear given Dedundum
df=d-(2⋅hf)
​Go Dedendum Circle Diameter of Large Size Gear
df=m⋅(z-2.5)

Other formulas in Parameters of Spur Gear category

​Go Circular Pitch of Gear given Diameter and Number of Teeth
Pc=π⋅dz
​Go Diametral Pitch of Gear given Number of teeth and Pitch Circle Diameter
Pd=zd
​Go Diametral Pitch of Gear given Circular Pitch
Pd=πPc
​Go Module of Gear given Diametral Pitch
m=1Pd

How to Evaluate Dedendum Circle Diameter of Small Size Gear given Dedendum?

Dedendum Circle Diameter of Small Size Gear given Dedendum evaluator uses Dedendum Circle Diameter of Spur Gear = Pitch Circle Diameter of Spur Gear-(2*Dedundum of Spur Gear) to evaluate the Dedendum Circle Diameter of Spur Gear, Dedendum Circle Diameter of Small Size Gear given Dedendum is defined as the diameter of the circle known as the dedendum circle that touches the innermost points of the teeth of a small-sized circular gear wheel. Dedendum Circle Diameter of Spur Gear is denoted by df symbol.

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

FAQs on Dedendum Circle Diameter of Small Size Gear given Dedendum

What is the formula to find Dedendum Circle Diameter of Small Size Gear given Dedendum?
The formula of Dedendum Circle Diameter of Small Size Gear given Dedendum is expressed as Dedendum Circle Diameter of Spur Gear = Pitch Circle Diameter of Spur Gear-(2*Dedundum of Spur Gear). Here is an example- 106000 = 0.118-(2*0.006).
How to calculate Dedendum Circle Diameter of Small Size Gear given Dedendum?
With Pitch Circle Diameter of Spur Gear (d) & Dedundum of Spur Gear (hf) we can find Dedendum Circle Diameter of Small Size Gear given Dedendum using the formula - Dedendum Circle Diameter of Spur Gear = Pitch Circle Diameter of Spur Gear-(2*Dedundum of Spur Gear).
What are the other ways to Calculate Dedendum Circle Diameter of Spur Gear?
Here are the different ways to Calculate Dedendum Circle Diameter of Spur Gear-
  • Dedendum Circle Diameter of Spur Gear=Module of Spur Gear*(Number of Teeth on Spur Gear-2.5)OpenImg
  • Dedendum Circle Diameter of Spur Gear=Module of Spur Gear*(Number of Teeth on Spur Gear-2.5)OpenImg
  • Dedendum Circle Diameter of Spur Gear=Pitch Circle Diameter of Spur Gear-(2*Dedundum of Spur Gear)OpenImg
Can the Dedendum Circle Diameter of Small Size Gear given Dedendum be negative?
No, the Dedendum Circle Diameter of Small Size Gear given Dedendum, measured in Length cannot be negative.
Which unit is used to measure Dedendum Circle Diameter of Small Size Gear given Dedendum?
Dedendum Circle Diameter of Small Size Gear given Dedendum 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 Small Size Gear given Dedendum can be measured.
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