Service factor for motor Calculator

✖Starting Torque on Spur Gear is the torque that is acting onto the spur gear to make it start rotating.ⓘ Starting Torque on Spur Gear [M_sτ]			+10% -10%
✖The Rated Torque of Spur Gear is the torque capacity for which the gear is rated.ⓘ Rated Torque of Spur Gear [M_τ]			+10% -10%

✖Service Factor for Spur Gear is defined as the ratio of the torque capacity and the rated torque value.ⓘ Service factor for motor [K_s]

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Service factor for motor Solution

STEP 0: Pre-Calculation Summary

Formula Used

Service Factor for Spur Gear = Starting Torque on Spur Gear/Rated Torque of Spur Gear
K_s = M_sτ/M_τ
This formula uses 3 Variables

Variables Used

Service Factor for Spur Gear - Service Factor for Spur Gear is defined as the ratio of the torque capacity and the rated torque value.
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.
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

Starting Torque on Spur Gear: 31500 Newton Millimeter --> 31.5 Newton Meter (Check conversion here)
Rated Torque of Spur Gear: 26000 Newton Millimeter --> 26 Newton Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

K_s = M_sτ/M_τ --> 31.5/26

Evaluating ... ...

K_s = 1.21153846153846

STEP 3: Convert Result to Output's Unit

1.21153846153846 --> No Conversion Required

FINAL ANSWER

1.21153846153846 ≈ 1.211538 <-- Service Factor for 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 » Mechanical » Dynamics of Spur Gear » Service factor for motor

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Created by Vaibhav Malani

National Institute of Technology (NIT), Tiruchirapalli

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Verified by Sagar S Kulkarni

Dayananda Sagar College of Engineering (DSCE), Bengaluru

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< Dynamics of Spur Gear Calculators

Radial Force of Gear given Tangential Force and Pressure Angle

LaTeX 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

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

Torque Transmitted by Gear given Tangential Force and Pitch Circle Diameter

LaTeX Go Torque Transmitted by Spur Gear = Tangential Force on Spur Gear*Pitch Circle Diameter of Spur Gear/2

Tangential Force on Gear given Torque and Pitch Circle Diameter

LaTeX Go Tangential Force on Spur Gear = 2*Torque Transmitted by Spur Gear/Pitch Circle Diameter of Spur Gear

Service factor for motor Formula

LaTeX Go

Service Factor for Spur Gear = Starting Torque on Spur Gear/Rated Torque of Spur Gear
K_s = M_sτ/M_τ

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 Service factor for motor?

Service factor for motor calculator uses Service Factor for Spur Gear = Starting Torque on Spur Gear/Rated Torque of Spur Gear to calculate the Service Factor for Spur Gear, The Service factor for motor formula is defined as the ratio of the starting torque to the rated torque. Service Factor for Spur Gear is denoted by K_s symbol.

How to calculate Service factor for motor using this online calculator? To use this online calculator for Service factor for motor, enter Starting Torque on Spur Gear (M_sτ) & Rated Torque of Spur Gear (M_τ) and hit the calculate button. Here is how the Service factor for motor calculation can be explained with given input values -> 1.211538 = 31.5/26.

FAQ

What is Service factor for motor?

The Service factor for motor formula is defined as the ratio of the starting torque to the rated torque and is represented as K_s = M_sτ/M_τ or Service Factor for Spur Gear = Starting Torque on Spur Gear/Rated Torque of Spur Gear. Starting Torque on Spur Gear is the torque that is acting onto the spur gear to make it start rotating & The Rated Torque of Spur Gear is the torque capacity for which the gear is rated.

How to calculate Service factor for motor?

The Service factor for motor formula is defined as the ratio of the starting torque to the rated torque is calculated using Service Factor for Spur Gear = Starting Torque on Spur Gear/Rated Torque of Spur Gear. To calculate Service factor for motor, you need Starting Torque on Spur Gear (M_sτ) & Rated Torque of Spur Gear (M_τ). With our tool, you need to enter the respective value for Starting Torque on 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.

How many ways are there to calculate Service Factor for Spur Gear?

In this formula, Service Factor for Spur Gear uses Starting Torque on Spur Gear & Rated Torque of Spur Gear. We can use 2 other way(s) to calculate the same, which is/are as follows -

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

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