Wheel hardness Number given Percentage Volume of Bond material in wheel Calculator

✖The Percentage volume of bond material in grinding is the percentage of the volume of bond material in the grinding wheel.ⓘ The Percentage volume of bond material in grinding [V_b]			+10% -10%
✖Structure Number of Wheeldenotes the spacing of the abrasive grains in the wheel. The lower the structure number, the denser the wheel.ⓘ Structure Number of Wheel [S_N]			+10% -10%

✖The wheel hardness number is defined as the constant for every unique material of the wheel.ⓘ Wheel hardness Number given Percentage Volume of Bond material in wheel [H_n]

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Formula

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Wheel hardness Number given Percentage Volume of Bond material in wheel

Formula

`"H"_{"n"} = ("V"_{"b"}+8-(2.2*"S"_{"N"}))/1.33`

Example

`"3.742857"=("1.4"+8-(2.2*"2.01"))/1.33`

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Wheel hardness Number given Percentage Volume of Bond material in wheel Solution

STEP 0: Pre-Calculation Summary

Formula Used

The wheel hardness number = (The Percentage volume of bond material in grinding+8-(2.2*Structure Number of Wheel))/1.33
H_n = (V_b+8-(2.2*S_N))/1.33
This formula uses 3 Variables

Variables Used

The wheel hardness number - The wheel hardness number is defined as the constant for every unique material of the wheel.
The Percentage volume of bond material in grinding - The Percentage volume of bond material in grinding is the percentage of the volume of bond material in the grinding wheel.
Structure Number of Wheel - Structure Number of Wheeldenotes the spacing of the abrasive grains in the wheel. The lower the structure number, the denser the wheel.

STEP 1: Convert Input(s) to Base Unit

The Percentage volume of bond material in grinding: 1.4 --> No Conversion Required
Structure Number of Wheel: 2.01 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

H_n = (V_b+8-(2.2*S_N))/1.33 --> (1.4+8-(2.2*2.01))/1.33

Evaluating ... ...

H_n = 3.74285714285714

STEP 3: Convert Result to Output's Unit

3.74285714285714 --> No Conversion Required

FINAL ANSWER

3.74285714285714 ≈ 3.742857 <-- The wheel hardness number

(Calculation completed in 00.004 seconds)

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Home » Engineering » Production Engineering » Metal Machining » Machine Tools and Operations » Grinding Operation » Analysis of Grinding Process » Cylindrical Grinding cycle » Wheel » Wheel hardness Number given Percentage Volume of Bond material in wheel

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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!

< 19 Wheel Calculators

Diameter of wheel given feed and machine infeed speed

Go The Diameter of Grinding Tool Wheel = The wheel removal parameter*Workpiece diameter/(((Machine Infeed speed towards workpiece/The Feed Speed)-1)*Workpiece Removal Parameter)

Constant for grinding wheel given maximum undeformed chip thickness

Go Constant for particular grinding wheel = (Maximum Undeformed Chip Thickness before machining^2)*The Surface speed of wheel/(Surface Speed of Workpiece*sqrt(Feed))

Surface speed of Wheel given constant for grinding wheel

Go The Surface speed of wheel = (Constant for particular grinding wheel*Surface Speed of Workpiece*sqrt(Feed))/(Maximum Undeformed Chip Thickness before machining^2)

Constant for grinding wheel

Go Constant for particular grinding wheel = 6/(Number of active grains per Area on wheel surface*Grain aspect ratio*sqrt(The Diameter of Grinding Tool Wheel))

Surface speed of wheel given number of chip produce per time

Go Surface speed of wheel for given no of chips = The Number of Chip Produced per Unit Time/(Width of grinding path*Number of active grains per Area on wheel surface)

Wheel diameter given equivalent wheel diameter

Go The Diameter of Grinding Tool Wheel = Equivalent Wheel Diameter*Workpiece diameter/(Workpiece diameter-Equivalent Wheel Diameter)

Diameter of wheel given Constant for grinding wheel

Go The Diameter of Grinding Tool Wheel = (6/(Number of active grains per Area on wheel surface*Grain aspect ratio*Constant for particular grinding wheel))^2

Equivalent wheel diameter

Go Equivalent Wheel Diameter = The Diameter of Grinding Tool Wheel/(1+(The Diameter of Grinding Tool Wheel/Workpiece diameter))

Diameter of wheel for given Average Length of chip

Go The Diameter of Grinding Tool Wheel = 2*The Length of Chip/sin(Angle made by the length of the chip)

Diameter of wheel for given infeed

Go The Diameter of Grinding Tool Wheel = 2*Feed/(1-cos(Angle made by the length of the chip))

Wheel structure Number given Percentage Volume of Bond material in wheel

Go Structure Number of Wheel = (The Percentage volume of bond material in grinding+8-(1.33*The wheel hardness number))/2.2

Wheel hardness Number given Percentage Volume of Bond material in wheel

Go The wheel hardness number = (The Percentage volume of bond material in grinding+8-(2.2*Structure Number of Wheel))/1.33

Threshold thrust force given wheel removal parameter

Go Threshold thrust force = Thrust force-(Wheel removal rate/The wheel removal parameter)

Thrust force given wheel removal parameter

Go Thrust force = (Wheel removal rate/The wheel removal parameter)+Threshold thrust force

Machine infeed speed given Feed speed in Grinding

Go Machine Infeed speed towards workpiece = The Feed Speed+(The Diameter of Grinding Tool Wheel/2)

Diameter of wheel given Feed speed in Grinding

Go The Diameter of Grinding Tool Wheel = 2*(Machine Infeed speed towards workpiece-The Feed Speed)

Feed speed in Grinding

Go The Feed Speed = Machine Infeed speed towards workpiece-(The Diameter of Grinding Tool Wheel/2)

Diameter of wheel given Average length of chip and Infeed

Go The Diameter of Grinding Tool Wheel = (The Length of Chip)^2/Feed

Grain Diameter of grinding wheel

Go Grain diameter of the grinding wheel = 0.0254/Grain size (in mm)

Wheel hardness Number given Percentage Volume of Bond material in wheel Formula

The wheel hardness number = (The Percentage volume of bond material in grinding+8-(2.2*Structure Number of Wheel))/1.33
H_n = (V_b+8-(2.2*S_N))/1.33

What do the numbers on a grinding wheel mean?

The type of the wheel is marked as an ISO number and signifies the wheel's shape. For example, ISO Type 52 is a spindle-mounted wheel. The size of the grinding wheel is marked as dimensions in mm. For example, 230 x 3 x 22.2mm. This represents the wheel's diameter x thickness x hole size.

How to Calculate Wheel hardness Number given Percentage Volume of Bond material in wheel?

Wheel hardness Number given Percentage Volume of Bond material in wheel calculator uses The wheel hardness number = (The Percentage volume of bond material in grinding+8-(2.2*Structure Number of Wheel))/1.33 to calculate the The wheel hardness number, The Wheel hardness Number given Percentage Volume of Bond material in wheel is defined as the constant for every unique material of the wheel. The wheel hardness number is denoted by H_n symbol.

How to calculate Wheel hardness Number given Percentage Volume of Bond material in wheel using this online calculator? To use this online calculator for Wheel hardness Number given Percentage Volume of Bond material in wheel, enter The Percentage volume of bond material in grinding (V_b) & Structure Number of Wheel (S_N) and hit the calculate button. Here is how the Wheel hardness Number given Percentage Volume of Bond material in wheel calculation can be explained with given input values -> 3.750376 = (1.4+8-(2.2*2.01))/1.33.

FAQ

What is Wheel hardness Number given Percentage Volume of Bond material in wheel?

The Wheel hardness Number given Percentage Volume of Bond material in wheel is defined as the constant for every unique material of the wheel and is represented as H_n = (V_b+8-(2.2*S_N))/1.33 or The wheel hardness number = (The Percentage volume of bond material in grinding+8-(2.2*Structure Number of Wheel))/1.33. The Percentage volume of bond material in grinding is the percentage of the volume of bond material in the grinding wheel & Structure Number of Wheeldenotes the spacing of the abrasive grains in the wheel. The lower the structure number, the denser the wheel.

How to calculate Wheel hardness Number given Percentage Volume of Bond material in wheel?

The Wheel hardness Number given Percentage Volume of Bond material in wheel is defined as the constant for every unique material of the wheel is calculated using The wheel hardness number = (The Percentage volume of bond material in grinding+8-(2.2*Structure Number of Wheel))/1.33. To calculate Wheel hardness Number given Percentage Volume of Bond material in wheel, you need The Percentage volume of bond material in grinding (V_b) & Structure Number of Wheel (S_N). With our tool, you need to enter the respective value for The Percentage volume of bond material in grinding & Structure Number of Wheel 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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