Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process Formula

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Pressure Acting while Rolling is the force per unit area of Rollers/plates during the rolling process. Check FAQs
Pr=b2σ3(1+μsfRπ180αb2(hi+hfi))Rπ180αb
Pr - Pressure Acting while Rolling?b - Strip Width of Spiral Spring?σ - Flow Stress of Work Material?μsf - Frictional Shear Factor?R - Roller Radius?αb - Bite Angle?hi - Thickness before Rolling?hfi - Thickness after Rolling?π - Archimedes' constant?

Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process Example

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With units
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Here is how the Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process equation looks like with Values.

Here is how the Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process equation looks like with Units.

Here is how the Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process equation looks like.

3.3E-5Edit=14.5Edit22.1Edit3(1+0.41Edit102Edit3.141618030Edit2(3.4Edit+7.2Edit))102Edit3.141618030Edit
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Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process Solution

Follow our step by step solution on how to calculate Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process?

FIRST Step Consider the formula
Pr=b2σ3(1+μsfRπ180αb2(hi+hfi))Rπ180αb
Next Step Substitute values of Variables
Pr=14.5mm22.1N/mm²3(1+0.41102mmπ18030°2(3.4mm+7.2mm))102mmπ18030°
Next Step Substitute values of Constants
Pr=14.5mm22.1N/mm²3(1+0.41102mm3.141618030°2(3.4mm+7.2mm))102mm3.141618030°
Next Step Convert Units
Pr=0.0145m22.1E+6Pa3(1+0.410.102m3.14161800.5236rad2(0.0034m+0.0072m))0.102m3.14161800.5236rad
Next Step Prepare to Evaluate
Pr=0.014522.1E+63(1+0.410.1023.14161800.52362(0.0034+0.0072))0.1023.14161800.5236
Next Step Evaluate
Pr=33.3650773318261Pa
Next Step Convert to Output's Unit
Pr=3.33650773318261E-05N/mm²
LAST Step Rounding Answer
Pr=3.3E-5N/mm²

Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process Formula Elements

Variables
Constants
Functions
Pressure Acting while Rolling
Pressure Acting while Rolling is the force per unit area of Rollers/plates during the rolling process.
Symbol: Pr
Measurement: PressureUnit: N/mm²
Note: Value can be positive or negative.
Strip Width of Spiral Spring
Strip Width of Spiral Spring is defined as the thickness of the wired strip measured in the lateral direction and by which the spiral spring is manufactured.
Symbol: b
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Flow Stress of Work Material
Flow Stress of Work Material refers to the instantaneous value of stress required to continue deforming a material, effectively keeping the metal flowing.
Symbol: σ
Measurement: PressureUnit: N/mm²
Note: Value can be positive or negative.
Frictional Shear Factor
Frictional Shear Factor is generated by the interaction between the workpiece and rolls. It contributes to the overall deformation of the material.
Symbol: μsf
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Roller Radius
The Roller Radius is the distance between the center and the point on the circumference of the roller.
Symbol: R
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Bite Angle
The bite angle refers to the maximum attainable angle between the roll radius at the first contact and the roll centers during rolling of metals.
Symbol: αb
Measurement: AngleUnit: °
Note: Value can be positive or negative.
Thickness before Rolling
Thickness before Rolling is the thickness of sheet before rolling operation begins.
Symbol: hi
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Thickness after Rolling
Thickness after Rolling is the final thickness of the workpiece after the rolling process.
Symbol: hfi
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other formulas in Rolling Analysis category

​Go Bite Angle
αb=acos(1-h2R)
​Go Maximum Reduction in Thickness Possible
Δt=μf2R

How to Evaluate Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process?

Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process evaluator uses Pressure Acting while Rolling = Strip Width of Spiral Spring*(2*Flow Stress of Work Material)/sqrt(3)*(1+(Frictional Shear Factor*Roller Radius*pi/180*Bite Angle)/(2*(Thickness before Rolling+Thickness after Rolling)))*Roller Radius*pi/180*Bite Angle to evaluate the Pressure Acting while Rolling, The Pressure considering rolling similar to plane-strain-upsetting process formula is the pressure on rollers obtained on compressing a billet or workpiece between two dies. Pressure Acting while Rolling is denoted by Pr symbol.

How to evaluate Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process using this online evaluator? To use this online evaluator for Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process, enter Strip Width of Spiral Spring (b), Flow Stress of Work Material (σ), Frictional Shear Factor sf), Roller Radius (R), Bite Angle b), Thickness before Rolling (hi) & Thickness after Rolling (hfi) and hit the calculate button.

FAQs on Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process

What is the formula to find Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process?
The formula of Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process is expressed as Pressure Acting while Rolling = Strip Width of Spiral Spring*(2*Flow Stress of Work Material)/sqrt(3)*(1+(Frictional Shear Factor*Roller Radius*pi/180*Bite Angle)/(2*(Thickness before Rolling+Thickness after Rolling)))*Roller Radius*pi/180*Bite Angle. Here is an example- 3.3E-11 = 0.0145*(2*2100000)/sqrt(3)*(1+(0.41*0.102*pi/180*0.5235987755982)/(2*(0.0034+0.0072)))*0.102*pi/180*0.5235987755982.
How to calculate Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process?
With Strip Width of Spiral Spring (b), Flow Stress of Work Material (σ), Frictional Shear Factor sf), Roller Radius (R), Bite Angle b), Thickness before Rolling (hi) & Thickness after Rolling (hfi) we can find Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process using the formula - Pressure Acting while Rolling = Strip Width of Spiral Spring*(2*Flow Stress of Work Material)/sqrt(3)*(1+(Frictional Shear Factor*Roller Radius*pi/180*Bite Angle)/(2*(Thickness before Rolling+Thickness after Rolling)))*Roller Radius*pi/180*Bite Angle. This formula also uses Archimedes' constant and Square Root Function function(s).
Can the Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process be negative?
Yes, the Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process, measured in Pressure can be negative.
Which unit is used to measure Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process?
Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process is usually measured using the Newton per Square Millimeter[N/mm²] for Pressure. Pascal[N/mm²], Kilopascal[N/mm²], Bar[N/mm²] are the few other units in which Pressure Considering Rolling Similar to Plane-Strain-Upsetting Process can be measured.
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