Starting Torque of Spur Gear Motor given Service Factor Calculator

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Design of Gears

Basics Of Machine Design

Design of Coupling

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Design of Spur Gears

Design of Bevel Gears

Design of Helical Gears

Design of Worm Gears

✖Service Factor for Spur Gear is defined as the ratio of the torque capacity and the rated torque value.ⓘ Service Factor for Spur Gear [K_s]			+10% -10%
✖The Rated Torque of Spur Gear is the torque capacity for which the gear is rated.ⓘ Rated Torque of Spur Gear [M_Trated]			+10% -10%

✖Starting Torque on Spur Gear is the torque that is acting onto the spur gear to make it start rotating.ⓘ Starting Torque of Spur Gear Motor given Service Factor [M_tstart]

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Formula

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Starting Torque of Spur Gear Motor given Service Factor

Formula

`"M"_{"tstart"} = "K"_{"s"}*"M"_{"Trated"}`

Example

`"31200N*mm"="1.2"*"26000N*mm"`

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Starting Torque of Spur Gear Motor given Service Factor Solution

STEP 0: Pre-Calculation Summary

Formula Used

Starting Torque on Spur Gear = Service Factor for Spur Gear*Rated Torque of Spur Gear
M_tstart = K_s*M_Trated
This formula uses 3 Variables

Variables Used

Starting Torque on Spur Gear - (Measured in Newton Meter) - Starting Torque on Spur Gear is the torque that is acting onto the spur gear to make it start rotating.
Service Factor for Spur Gear - Service Factor for Spur Gear is defined as the ratio of the torque capacity and the rated torque value.
Rated Torque of Spur Gear - (Measured in Newton Meter) - The Rated Torque of Spur Gear is the torque capacity for which the gear is rated.

STEP 1: Convert Input(s) to Base Unit

Service Factor for Spur Gear: 1.2 --> No Conversion Required
Rated Torque of Spur Gear: 26000 Newton Millimeter --> 26 Newton Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

M_tstart = K_s*M_Trated --> 1.2*26

Evaluating ... ...

M_tstart = 31.2

STEP 3: Convert Result to Output's Unit

31.2 Newton Meter -->31200 Newton Millimeter (Check conversion here)

FINAL ANSWER

31200 Newton Millimeter <-- Starting Torque on Spur Gear

(Calculation completed in 00.004 seconds)

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Home » Physics » Design of Machine Elements » Design of Gears » Design of Spur Gears » Starting Torque of Spur Gear Motor given Service Factor

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National Institute of Technology (NIT), Tiruchirapalli

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< 25 Design of Spur Gears Calculators

Center to Center Distance between Spur Gears

Go Distance between Spur Gear Centres = Module of Spur Gear*((Number of Teeth on Pinion+Number of Teeth on Spur Gear)/2)

Circular Pitch of Gear given Diameter and Number of Teeth

Go Circular Pitch of Spur Gear = pi*Pitch Circle Diameter of Spur Gear/Number of Teeth on Spur Gear

Resultant Force on Gear

Go Resultant Force on Spur Gear = Tangential Force on Spur Gear/cos(Pressure Angle of Spur Gear)

Radial Force of Gear given Tangential Force and Pressure Angle

Go Radial Force on Spur Gear = Tangential Force on Spur Gear*tan(Pressure Angle of Spur Gear)

Tangential Force on Gear given Radial Force and Pressure Angle

Go Tangential Force on Spur Gear = Radial Force on Spur Gear*cot(Pressure Angle of Spur Gear)

Pitch Circle Diameter of holes of Medium Size Gear

Go Pitch Circle Diameter of Holes in Gear = (Inner Diameter of Rim of Spur Gear+Outer Diameter of Spur Gear Hub)/2

Diameter of Holes in Gear Web of Medium Size Diameter

Go Diameter of Holes in Spur Gear Web = (Inner Diameter of Rim of Spur Gear-Outer Diameter of Spur Gear Hub)/4

Inner Diameter of Rim of Large Size Gear

Go Inner Diameter of Rim of Spur Gear = Dedendum Circle Diameter of Spur Gear-2*Thickness of Spur Gear Rim

Torque Transmitted by Gear given Tangential Force and Pitch Circle Diameter

Go Torque transmitted by spur gear = Tangential Force on Spur Gear*Pitch Circle Diameter of Spur Gear/2

Addendum Circle Diameter of Medium Size Gear Diameter given Addendum

Go Addendum Circle Diameter of Spur Gear = Pitch Circle Diameter of Spur Gear+(2*Addendum of spur gear)

Tangential Force on Gear given Torque and Pitch Circle Diameter

Go Tangential Force on Spur Gear = 2*Torque transmitted by spur gear/Pitch Circle Diameter of Spur Gear

Dedendum Circle Diameter of Medium Size Gear given Dedundum

Go Dedendum Circle Diameter of Spur Gear = Pitch Circle Diameter of Spur Gear-(2*Dedundum of Spur Gear)

Diametral Pitch of Gear given Number of teeth and Pitch Circle Diameter

Go Diametral Pitch of Spur Gear = Number of Teeth on Spur Gear/Pitch Circle Diameter of Spur Gear

Dedendum Circle Diameter of Large Size Gear

Go Dedendum Circle Diameter of Spur Gear = Module of Spur Gear*(Number of Teeth on Spur Gear-2.5)

Addendum Circle Diameter of Large Size Gear

Go Addendum Circle Diameter of Spur Gear = Module of Spur Gear*(Number of Teeth on Spur Gear+2)

Pitch Circle Diameter of Gear given Module and Number of Teeth

Go Pitch Circle Diameter of Spur Gear = Module of Spur Gear*Number of Teeth on Spur Gear

Module of Gear given Pitch Circle Diameter

Go Module of Spur Gear = Pitch Circle Diameter of Spur Gear/Number of Teeth on Spur Gear

Maximum Torque of Gear given Service Factor

Go Maximum Torque on Spur Gear = Service Factor for Spur Gear*Rated Torque of Spur Gear

Service Factor for Gear given Torque

Go Service Factor for Spur Gear = Maximum Torque on Spur Gear/Rated Torque of Spur Gear

Gear Ratio given Number of Teeth

Go Gear Ratio of Spur Gear = Number of Teeth on Spur Gear/Number of Teeth on Pinion

Gear Ratio given Speed

Go Gear Ratio of Spur Gear = Speed of Spur Pinion/Speed of Spur Gear

Diametral Pitch of Gear given Circular Pitch

Go Diametral Pitch of Spur Gear = pi/Circular Pitch of Spur Gear

Outer Diameter of Hub of Large Size Gear

Go Outer Diameter of Spur Gear Hub = 2*Diameter of Spur Gear Shaft

Thickness of Rim of Large Size Gear

Go Thickness of Spur Gear Rim = 0.56*Circular Pitch of Spur Gear

Module of Gear given Diametral Pitch

Go Module of Spur Gear = 1/Diametral Pitch of Spur Gear

Starting Torque of Spur Gear Motor given Service Factor Formula

Starting Torque on Spur Gear = Service Factor for Spur Gear*Rated Torque of Spur Gear
M_tstart = K_s*M_Trated

What is a gear?

Gears are defined as toothed wheels or multilobed-cams, which transmit power and motion from one shaft to another by means of successive engagement of teeth.

How to Calculate Starting Torque of Spur Gear Motor given Service Factor?

Starting Torque of Spur Gear Motor given Service Factor calculator uses Starting Torque on Spur Gear = Service Factor for Spur Gear*Rated Torque of Spur Gear to calculate the Starting Torque on Spur Gear, Starting Torque of Spur Gear Motor given Service Factor is the torque required on the gear at the starting of its rotation. Starting Torque on Spur Gear is denoted by M_tstart symbol.

How to calculate Starting Torque of Spur Gear Motor given Service Factor using this online calculator? To use this online calculator for Starting Torque of Spur Gear Motor given Service Factor, enter Service Factor for Spur Gear (K_s) & Rated Torque of Spur Gear (M_Trated) and hit the calculate button. Here is how the Starting Torque of Spur Gear Motor given Service Factor calculation can be explained with given input values -> 3.1E+7 = 1.2*26.

FAQ

What is Starting Torque of Spur Gear Motor given Service Factor?

Starting Torque of Spur Gear Motor given Service Factor is the torque required on the gear at the starting of its rotation and is represented as M_tstart = K_s*M_Trated or Starting Torque on Spur Gear = Service Factor for Spur Gear*Rated Torque of Spur Gear. Service Factor for Spur Gear is defined as the ratio of the torque capacity and the rated torque value & The Rated Torque of Spur Gear is the torque capacity for which the gear is rated.

How to calculate Starting Torque of Spur Gear Motor given Service Factor?

Starting Torque of Spur Gear Motor given Service Factor is the torque required on the gear at the starting of its rotation is calculated using Starting Torque on Spur Gear = Service Factor for Spur Gear*Rated Torque of Spur Gear. To calculate Starting Torque of Spur Gear Motor given Service Factor, you need Service Factor for Spur Gear (K_s) & Rated Torque of Spur Gear (M_Trated). With our tool, you need to enter the respective value for Service Factor for Spur Gear & Rated Torque of Spur Gear and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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