Grinding ratio Calculator

✖Workpiece removal parameter refers to the rate of removal of material from workpiece with thrust force induced between workpiece and wheel.ⓘ Workpiece Removal Parameter [Λ_w]			+10% -10%
✖The wheel removal parameter refers to the rate of removal of abrasive grains from grinding wheel with thrust force induced between workpiece and wheel.ⓘ Wheel Removal Parameter [Λ_t]			+10% -10%

✖Grinding ratio is a metric used to assess a grinding wheel's efficiency. It essentially compares the amount of MRR from the workpiece to the amount of wear experienced by the grinding wheel itself.ⓘ Grinding ratio [G_r]

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Formula

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Grinding ratio

Formula

G r = \frac{Λ w}{Λ t}

Example

4.166667 = \frac{10}{2.4}

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Grinding ratio Solution

STEP 0: Pre-Calculation Summary

Formula Used

Grinding Ratio = Workpiece Removal Parameter/Wheel Removal Parameter
G_r = Λ_w/Λ_t
This formula uses 3 Variables

Variables Used

Grinding Ratio - Grinding ratio is a metric used to assess a grinding wheel's efficiency. It essentially compares the amount of MRR from the workpiece to the amount of wear experienced by the grinding wheel itself.
Workpiece Removal Parameter - Workpiece removal parameter refers to the rate of removal of material from workpiece with thrust force induced between workpiece and wheel.
Wheel Removal Parameter - The wheel removal parameter refers to the rate of removal of abrasive grains from grinding wheel with thrust force induced between workpiece and wheel.

STEP 1: Convert Input(s) to Base Unit

Workpiece Removal Parameter: 10 --> No Conversion Required
Wheel Removal Parameter: 2.4 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

G_r = Λ_w/Λ_t --> 10/2.4

Evaluating ... ...

G_r = 4.16666666666667

STEP 3: Convert Result to Output's Unit

4.16666666666667 --> No Conversion Required

FINAL ANSWER

4.16666666666667 ≈ 4.166667 <-- Grinding Ratio

(Calculation completed in 00.004 seconds)

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Home » Engineering » Production Engineering » Metal Machining » Machine Tools and Operations » Grinding Operation » Material Removed » Removal Parameters » Grinding ratio

Credits

Created by Parul Keshav

National Institute of Technology (NIT), Srinagar

Parul Keshav has created this Calculator and 300+ more calculators!

Verified by Kumar Siddhant

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

Kumar Siddhant has verified this Calculator and 100+ more calculators!

< Removal Parameters Calculators

Metal removal rate given workpiece removal parameter

Go Material Removal Rate During Grinding = (Thrust Force-Threshold Thrust Force)*Workpiece Removal Parameter

Workpiece removal parameter given metal removal rate

Go Workpiece Removal Parameter = Material Removal Rate During Grinding/(Thrust Force-Threshold Thrust Force)

Threshold thrust force given workpiece removal parameter

Go Threshold Thrust Force = Thrust Force-Material Removal Rate During Grinding/Workpiece Removal Parameter

Thrust force given workpiece removal parameter

Go Thrust Force = Material Removal Rate During Grinding/Workpiece Removal Parameter+Threshold Thrust Force

Grinding ratio Formula

Grinding Ratio = Workpiece Removal Parameter/Wheel Removal Parameter
G_r = Λ_w/Λ_t

Significance of Metal/Wheel Removal Parameter in Grinding.

"Hahn and Lindsay" have developed an relationship between Metal/Wheel removal rate and thrust force applied on workpiece by grinding wheel or vice versa. Experimentally it has been seen the relationship between these two is linear, therefore these two parameter are proportional to each other. The constant for proportionally is known as Metal/Wheel removal parameter. This parameter depends on the material of workpiece and grinding wheel, and gives us an understanding of how grinding force affects on Workpiece/Grinding wheel.

How to Calculate Grinding ratio?

Grinding ratio calculator uses Grinding Ratio = Workpiece Removal Parameter/Wheel Removal Parameter to calculate the Grinding Ratio, Grinding ratio is a measure used in grinding operations to quantify the efficiency of material removal relative to the volume of abrasive material consumed. It is typically calculated as the ratio of the volume of material removed from the workpiece to the volume of abrasive material lost from the grinding wheel during the process. For easy to grind material it is typically expressed as the ratio of 'metal removal parameter' to 'wheel removal parameter'. A high grinding ratio indicates that a relatively large volume of material has been removed from the workpiece for every unit volume of abrasive material consumed. This is desirable as it signifies efficient material removal and longer grinding wheel life. Grinding Ratio is denoted by G_r symbol.

How to calculate Grinding ratio using this online calculator? To use this online calculator for Grinding ratio, enter Workpiece Removal Parameter (Λ_w) & Wheel Removal Parameter (Λ_t) and hit the calculate button. Here is how the Grinding ratio calculation can be explained with given input values -> 0.096899 = 10/2.4.

FAQ

What is Grinding ratio?

Grinding ratio is a measure used in grinding operations to quantify the efficiency of material removal relative to the volume of abrasive material consumed. It is typically calculated as the ratio of the volume of material removed from the workpiece to the volume of abrasive material lost from the grinding wheel during the process. For easy to grind material it is typically expressed as the ratio of 'metal removal parameter' to 'wheel removal parameter'. A high grinding ratio indicates that a relatively large volume of material has been removed from the workpiece for every unit volume of abrasive material consumed. This is desirable as it signifies efficient material removal and longer grinding wheel life and is represented as G_r = Λ_w/Λ_t or Grinding Ratio = Workpiece Removal Parameter/Wheel Removal Parameter. Workpiece removal parameter refers to the rate of removal of material from workpiece with thrust force induced between workpiece and wheel & The wheel removal parameter refers to the rate of removal of abrasive grains from grinding wheel with thrust force induced between workpiece and wheel.

How to calculate Grinding ratio?

Grinding ratio is a measure used in grinding operations to quantify the efficiency of material removal relative to the volume of abrasive material consumed. It is typically calculated as the ratio of the volume of material removed from the workpiece to the volume of abrasive material lost from the grinding wheel during the process. For easy to grind material it is typically expressed as the ratio of 'metal removal parameter' to 'wheel removal parameter'. A high grinding ratio indicates that a relatively large volume of material has been removed from the workpiece for every unit volume of abrasive material consumed. This is desirable as it signifies efficient material removal and longer grinding wheel life is calculated using Grinding Ratio = Workpiece Removal Parameter/Wheel Removal Parameter. To calculate Grinding ratio, you need Workpiece Removal Parameter (Λ_w) & Wheel Removal Parameter (Λ_t). With our tool, you need to enter the respective value for Workpiece Removal Parameter & Wheel Removal Parameter 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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