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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=m⋅(z-2.5)
df - Dedendum Circle Diameter of Spur Gear?m - Module of Spur Gear?z - Number of Teeth on Spur Gear?

Dedendum Circle Diameter of Large Size Gear Example

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

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

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

112.75Edit=4.1Edit⋅(30Edit-2.5)
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HomeIcon Home » Category Physics » Category Mechanical » Category Design of Machine Elements » fx Dedendum Circle Diameter of Large Size Gear

Dedendum Circle Diameter of Large Size Gear Solution

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

FIRST Step Consider the formula
df=m⋅(z-2.5)
Next Step Substitute values of Variables
∴ df=4.1mm⋅(30-2.5)
Next Step Convert Units
∴ df=0.0041m⋅(30-2.5)
Next Step Prepare to Evaluate
∴ df=0.0041⋅(30-2.5)
Next Step Evaluate
∴df=0.11275m
LAST Step Convert to Output's Unit
∴df=112.75mm

Dedendum Circle Diameter of Large Size Gear 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
Module of Spur Gear
Module of Spur Gear is the unit of size that indicates how big or small is a gear.
Symbol: m
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Formulas to find Module of Spur GearOpen Variable
Number of Teeth on Spur Gear
Number of Teeth on Spur 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 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 Small Size Gear given Dedendum
df=d-(2⋅hf)
​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)

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 Large Size Gear?

Dedendum Circle Diameter of Large Size Gear evaluator uses Dedendum Circle Diameter of Spur Gear = Module of Spur Gear*(Number of Teeth on Spur Gear-2.5) to evaluate the Dedendum Circle Diameter of Spur Gear, Dedendum Circle Diameter of Large Size Gear is defined as the diameter of the circle known as the dedendum circle that touches the innermost points of the teeth of a large-sized circular gear wheel. Dedendum Circle Diameter of Spur Gear is denoted by df symbol.

How to evaluate Dedendum Circle Diameter of Large Size Gear using this online evaluator? To use this online evaluator for Dedendum Circle Diameter of Large Size Gear, enter Module of Spur Gear (m) & Number of Teeth on Spur Gear (z) and hit the calculate button.

FAQs on Dedendum Circle Diameter of Large Size Gear

What is the formula to find Dedendum Circle Diameter of Large Size Gear?
The formula of Dedendum Circle Diameter of Large Size Gear is expressed as Dedendum Circle Diameter of Spur Gear = Module of Spur Gear*(Number of Teeth on Spur Gear-2.5). Here is an example- 112750 = 0.0041*(30-2.5).
How to calculate Dedendum Circle Diameter of Large Size Gear?
With Module of Spur Gear (m) & Number of Teeth on Spur Gear (z) we can find Dedendum Circle Diameter of Large Size Gear using the formula - Dedendum Circle Diameter of Spur Gear = Module of Spur Gear*(Number of Teeth on Spur Gear-2.5).
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=Pitch Circle Diameter of Spur Gear-(2*Dedundum of Spur Gear)OpenImg
  • Dedendum Circle Diameter of Spur Gear=Module of Spur Gear*(Number of Teeth on Spur Gear-2.5)OpenImg
Can the Dedendum Circle Diameter of Large Size Gear be negative?
No, the Dedendum Circle Diameter of Large Size Gear, measured in Length cannot be negative.
Which unit is used to measure Dedendum Circle Diameter of Large Size Gear?
Dedendum Circle Diameter of Large Size Gear 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 Large Size Gear can be measured.
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