Shear Strength of Softer Lubricant layer given Frictional force Solution

STEP 0: Pre-Calculation Summary
Formula Used
Shear Strength of Softer Lubricant Layer = ((Force of Friction/Real Area of Contact)-(Proportion of Area of Metallic Contact*Shear Strength of Softer Metal))/(1-Proportion of Area of Metallic Contact)
τ2 = ((Ffriction/Ar)-(γm*τ1))/(1-γm)
This formula uses 5 Variables
Variables Used
Shear Strength of Softer Lubricant Layer - (Measured in Pascal) - Shear Strength of Softer Lubricant Layer is the shear strength of the softer material.
Force of Friction - (Measured in Newton) - Force of friction, used in merchant circle where the friction force is equal to the product of coefficient of friction and normal force.
Real Area of Contact - (Measured in Square Meter) - Real area of contact is defined as the actual or real area that is in actual contact with the other part.
Proportion of Area of Metallic Contact - The proportion of area of metallic contact is defined as the proportion of the area supporting the load in which metal came in contact.
Shear Strength of Softer Metal - (Measured in Pascal) - Shear Strength of Softer Metal is the shear strength of the softer metal.
STEP 1: Convert Input(s) to Base Unit
Force of Friction: 25 Newton --> 25 Newton No Conversion Required
Real Area of Contact: 1250 Square Millimeter --> 0.00125 Square Meter (Check conversion here)
Proportion of Area of Metallic Contact: 0.5 --> No Conversion Required
Shear Strength of Softer Metal: 0.03 Newton per Square Millimeter --> 30000 Pascal (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
τ2 = ((Ffriction/Ar)-(γm1))/(1-γm) --> ((25/0.00125)-(0.5*30000))/(1-0.5)
Evaluating ... ...
τ2 = 10000
STEP 3: Convert Result to Output's Unit
10000 Pascal -->0.01 Newton per Square Millimeter (Check conversion here)
FINAL ANSWER
0.01 Newton per Square Millimeter <-- Shear Strength of Softer Lubricant Layer
(Calculation completed in 00.004 seconds)

Credits

Created by Parul Keshav
National Institute of Technology (NIT), Srinagar
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Verified by Kumar Siddhant
Indian Institute of Information Technology, Design and Manufacturing (IIITDM), Jabalpur
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17 Cutting Fluid and Surface Roughness Calculators

Frictional Force required to continuously shear junction between surfaces
Go Force of Friction = Real Area of Contact*((Proportion of Area of Metallic Contact*Shear Strength of Softer Metal)+((1-Proportion of Area of Metallic Contact)*Shear Strength of Softer Lubricant Layer))
Shear Strength of Softer Lubricant layer given Frictional force
Go Shear Strength of Softer Lubricant Layer = ((Force of Friction/Real Area of Contact)-(Proportion of Area of Metallic Contact*Shear Strength of Softer Metal))/(1-Proportion of Area of Metallic Contact)
Area of contact given Frictional Force
Go Real Area of Contact = Force of Friction/((Proportion of Area of Metallic Contact*Shear Strength of Softer Metal)+((1-Proportion of Area of Metallic Contact)*Shear Strength of Softer Lubricant Layer))
Proportion of Area in which metallic contact occurs given Frictional Force
Go Proportion of Area of Metallic Contact = ((Force of Friction/Real Area of Contact)-Shear Strength of Softer Lubricant Layer)/(Shear Strength of Softer Metal-Shear Strength of Softer Lubricant Layer)
Shear Strength of Softer Metal given Frictional force
Go Shear Strength of Softer Metal = ((Force of Friction/Real Area of Contact)-(1-Proportion of Area of Metallic Contact)*Shear Strength of Softer Lubricant Layer)/Proportion of Area of Metallic Contact
Working major cutting edge Angle given Roughness value
Go Working Major Cutting-Edge Angle = (acot((Feed/(4*Roughness Value))-cot(Working Minor Cutting Edge)))
Working minor cutting edge Angle given Roughness value
Go Working Minor Cutting Edge = (acot((Feed/(4*Roughness Value))-cot(Working Major Cutting-Edge Angle)))
Roughness Value
Go Roughness Value = Feed/(4*(cot(Working Major Cutting-Edge Angle)+cot(Working Minor Cutting Edge)))
Feed given Roughness value
Go Feed = 4*(cot(Working Major Cutting-Edge Angle)+cot(Working Minor Cutting Edge))*Roughness Value
Rotational Frequency of Cutter given Roughness Value
Go Rotational Frequency of Cutter = sqrt(0.0642/(Roughness Value*Diameter of Cutter))*Feed Speed
Feed speed given Roughness value
Go Feed Speed = sqrt(Roughness Value*Diameter of Cutter/0.0642)*Rotational Frequency of Cutter
Diameter of Cutter given Roughness Value
Go Diameter of Cutter = (0.0642*(Feed Speed)^2)/(Roughness Value*(Rotational Frequency of Cutter)^2)
Roughness value given feed speed
Go Roughness Value = (0.0642*(Feed Speed)^2)/(Diameter of Cutter*(Rotational Frequency of Cutter)^2)
Feed given Roughness Value and corner radius
Go Feed = (Roughness Value*Corner Radius of Tool/0.0321)^(1/2)
Corner Radius given Roughness value
Go Corner Radius of Tool = 0.0321*(Feed)^2/Roughness Value
Roughness value given corner radius
Go Roughness Value = 0.0321*(Feed)^2/Corner Radius of Tool
Roughness value of tool
Go Roughness Value = 0.0321*(Feed)^2/Corner Radius of Tool

Shear Strength of Softer Lubricant layer given Frictional force Formula

Shear Strength of Softer Lubricant Layer = ((Force of Friction/Real Area of Contact)-(Proportion of Area of Metallic Contact*Shear Strength of Softer Metal))/(1-Proportion of Area of Metallic Contact)
τ2 = ((Ffriction/Ar)-(γm*τ1))/(1-γm)

How we can increase friction?

There are two methods of increasing friction: one is by making the surfaces rough and the other by increasing the mass of the object that is moving. For example, the tyres of vehicles have treads (these are the 'designs' that you can see on the tyre surface), which increase the friction between the tyre and the road.

How to Calculate Shear Strength of Softer Lubricant layer given Frictional force?

Shear Strength of Softer Lubricant layer given Frictional force calculator uses Shear Strength of Softer Lubricant Layer = ((Force of Friction/Real Area of Contact)-(Proportion of Area of Metallic Contact*Shear Strength of Softer Metal))/(1-Proportion of Area of Metallic Contact) to calculate the Shear Strength of Softer Lubricant Layer, The Shear Strength of Softer Lubricant layer given Frictional force is defined as the shear strength of the softer lubricant material being used in the machining. Shear Strength of Softer Lubricant Layer is denoted by τ2 symbol.

How to calculate Shear Strength of Softer Lubricant layer given Frictional force using this online calculator? To use this online calculator for Shear Strength of Softer Lubricant layer given Frictional force, enter Force of Friction (Ffriction), Real Area of Contact (Ar), Proportion of Area of Metallic Contact m) & Shear Strength of Softer Metal 1) and hit the calculate button. Here is how the Shear Strength of Softer Lubricant layer given Frictional force calculation can be explained with given input values -> 1E-8 = ((25/0.00125)-(0.5*30000))/(1-0.5).

FAQ

What is Shear Strength of Softer Lubricant layer given Frictional force?
The Shear Strength of Softer Lubricant layer given Frictional force is defined as the shear strength of the softer lubricant material being used in the machining and is represented as τ2 = ((Ffriction/Ar)-(γm1))/(1-γm) or Shear Strength of Softer Lubricant Layer = ((Force of Friction/Real Area of Contact)-(Proportion of Area of Metallic Contact*Shear Strength of Softer Metal))/(1-Proportion of Area of Metallic Contact). Force of friction, used in merchant circle where the friction force is equal to the product of coefficient of friction and normal force, Real area of contact is defined as the actual or real area that is in actual contact with the other part, The proportion of area of metallic contact is defined as the proportion of the area supporting the load in which metal came in contact & Shear Strength of Softer Metal is the shear strength of the softer metal.
How to calculate Shear Strength of Softer Lubricant layer given Frictional force?
The Shear Strength of Softer Lubricant layer given Frictional force is defined as the shear strength of the softer lubricant material being used in the machining is calculated using Shear Strength of Softer Lubricant Layer = ((Force of Friction/Real Area of Contact)-(Proportion of Area of Metallic Contact*Shear Strength of Softer Metal))/(1-Proportion of Area of Metallic Contact). To calculate Shear Strength of Softer Lubricant layer given Frictional force, you need Force of Friction (Ffriction), Real Area of Contact (Ar), Proportion of Area of Metallic Contact m) & Shear Strength of Softer Metal 1). With our tool, you need to enter the respective value for Force of Friction, Real Area of Contact, Proportion of Area of Metallic Contact & Shear Strength of Softer Metal 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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