Overall Efficiency of Machine Tool and Motor Drive System Calculator

✖Machining Power is defined as the power required at the Tooltip to complete different Machining processes.ⓘ Machining Power [P_m]			+10% -10%
✖Electrical power consumed in machining can be referred as the total power consumption by the machine tool in machining operation.ⓘ Electrical Power Consumed in Machining [P_e]			+10% -10%

✖Overall Efficiency of Prime Mover can be referred as the efficiency of machine tool motor and drive system.ⓘ Overall Efficiency of Machine Tool and Motor Drive System [η_m]

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Formula

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Overall Efficiency of Machine Tool and Motor Drive System

Formula

`"η"_{"m"} = "P"_{"m"}/"P"_{"e"}`

Example

`"0.85"="11.9kW"/"14kW"`

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Overall Efficiency of Machine Tool and Motor Drive System Solution

STEP 0: Pre-Calculation Summary

Formula Used

Overall Efficiency of Prime Mover = Machining Power/Electrical Power Consumed in Machining
η_m = P_m/P_e
This formula uses 3 Variables

Variables Used

Overall Efficiency of Prime Mover - Overall Efficiency of Prime Mover can be referred as the efficiency of machine tool motor and drive system.
Machining Power - (Measured in Watt) - Machining Power is defined as the power required at the Tooltip to complete different Machining processes.
Electrical Power Consumed in Machining - (Measured in Watt) - Electrical power consumed in machining can be referred as the total power consumption by the machine tool in machining operation.

STEP 1: Convert Input(s) to Base Unit

Machining Power: 11.9 Kilowatt --> 11900 Watt (Check conversion here)
Electrical Power Consumed in Machining: 14 Kilowatt --> 14000 Watt (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

η_m = P_m/P_e --> 11900/14000

Evaluating ... ...

η_m = 0.85

STEP 3: Convert Result to Output's Unit

0.85 --> No Conversion Required

FINAL ANSWER

0.85 <-- Overall Efficiency of Prime Mover

(Calculation completed in 00.004 seconds)

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Home » Engineering » Production Engineering » Metal Machining » Machine Tools and Operations » Cutting Operation » Overall Efficiency of Machine Tool and Motor Drive System

Credits

Created by Kumar Siddhant

Indian Institute of Information Technology, Design and Manufacturing (IIITDM), Jabalpur

Kumar Siddhant has created this Calculator and 400+ more calculators!

Verified by Kethavath Srinath

Osmania University (OU), Hyderabad

Kethavath Srinath has verified this Calculator and 1200+ more calculators!

< 10+ Cutting Operation Calculators

Average Material Removal Rate given Depth of Cut

Go Material Removal Rate in Turning Operation = pi*Feed Rate in Machining*Depth of Cut in Machining*Rotational Frequency of the Workpiece*(Machined Surface Diameter+Depth of Cut in Machining)

Average Material Removal Rate given Depth of Cut for Boring Operation

Go Material Removal Rate in Boring Operation = pi*Feed Rate in Machining*Depth of Cut in Machining*Rotational Frequency of the Workpiece*(Machined Surface Diameter-Depth of Cut in Machining)

Mean Cutting Speed

Go Mean Cutting Speed in Turning = Workpiece Revolution*pi*(Work Surface Diameter+Machine Surface Diameter)/2

Energy per Unit Material Removal given Efficiency of Motor Drive System

Go Energy Required for Unit Volume Removal = Electrical Power Consumed in Machining*Overall Efficiency of Prime Mover/Metal removal rate

Average Material Removal Rate using Uncut Chip Cross-Section Area

Go Material Removal Rate in Turning Operation = Cross-Sectional Area of the Uncut Chip*Mean Cutting Speed

Cutting Speed Angle using Resultant Cutting Speed

Go Cutting Speed Angle = acos(Cutting Velocity/Resultant Cutting Velocity)

Overall Efficiency of Machine Tool and Motor Drive System

Go Overall Efficiency of Prime Mover = Machining Power/Electrical Power Consumed in Machining

Cutting Speed in Turning

Go Cutting Speed = pi*Diameter of Workpiece*Spindle Speed

Power required for Machining Operation

Go Machining Power = Metal removal rate*Energy Required for Unit Volume Removal

Cross sectional Area of Uncut Chip

Go Cross-sectional Area of Uncut Chip = Feed Rate*Depth of Cut

Overall Efficiency of Machine Tool and Motor Drive System Formula

Overall Efficiency of Prime Mover = Machining Power/Electrical Power Consumed in Machining
η_m = P_m/P_e

Overall Efficiency Of Machining Operation

Overall Efficiency is the product of all the efficiencies due to various losses at various stages of Machining. These include:
1. Losses in Electricity Transmission
2. Losses in Motor and Drive System (Transmission Losses)
3. Losses due to Heat and Friction (at Cutting Tooltip)

How to Calculate Overall Efficiency of Machine Tool and Motor Drive System?

Overall Efficiency of Machine Tool and Motor Drive System calculator uses Overall Efficiency of Prime Mover = Machining Power/Electrical Power Consumed in Machining to calculate the Overall Efficiency of Prime Mover, Overall Efficiency of Machine Tool and Motor Drive System is a measure of the fraction of input Electrical Power used for Actual Machining Operation at Tooltip. Overall Efficiency of Prime Mover is denoted by η_m symbol.

How to calculate Overall Efficiency of Machine Tool and Motor Drive System using this online calculator? To use this online calculator for Overall Efficiency of Machine Tool and Motor Drive System, enter Machining Power (P_m) & Electrical Power Consumed in Machining (P_e) and hit the calculate button. Here is how the Overall Efficiency of Machine Tool and Motor Drive System calculation can be explained with given input values -> 0.571429 = 11900/14000.

FAQ

What is Overall Efficiency of Machine Tool and Motor Drive System?

Overall Efficiency of Machine Tool and Motor Drive System is a measure of the fraction of input Electrical Power used for Actual Machining Operation at Tooltip and is represented as η_m = P_m/P_e or Overall Efficiency of Prime Mover = Machining Power/Electrical Power Consumed in Machining. Machining Power is defined as the power required at the Tooltip to complete different Machining processes & Electrical power consumed in machining can be referred as the total power consumption by the machine tool in machining operation.

How to calculate Overall Efficiency of Machine Tool and Motor Drive System?

Overall Efficiency of Machine Tool and Motor Drive System is a measure of the fraction of input Electrical Power used for Actual Machining Operation at Tooltip is calculated using Overall Efficiency of Prime Mover = Machining Power/Electrical Power Consumed in Machining. To calculate Overall Efficiency of Machine Tool and Motor Drive System, you need Machining Power (P_m) & Electrical Power Consumed in Machining (P_e). With our tool, you need to enter the respective value for Machining Power & Electrical Power Consumed in Machining 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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