Atmospheric pressure at electrode tip Calculator

✖Pressure in the flushing gap is the pressure at any distance r in fluid flow passage through the electrode in the EDM process.ⓘ Pressure in the Flushing Gap [P_r]			+10% -10%
✖Radius of the electrodes is defined as the radius of the electrode used for unconventional machining by EDM.ⓘ Radius of the Electrodes [R₀]			+10% -10%
✖Radius of flushing hole is the radius of flushing hole in EDM.ⓘ Radius of Flushing Hole [R₁]			+10% -10%
✖Pressure in Flushing Hole is the pressure in hole during EDM machining.ⓘ Pressure in Flushing Hole [P₁]			+10% -10%
✖Radial location of pressure is the radial location of pressure during EDM.ⓘ Radial Location of Pressure [r]			+10% -10%

✖Atmospheric pressure, also known as barometric pressure, is the pressure within the atmosphere of Earth.ⓘ Atmospheric pressure at electrode tip [P_atm]

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Formula

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Atmospheric pressure at electrode tip

Formula

`"P"_{"atm"} = ("P"_{"r"}*ln("R"_{"0"}/"R"_{"1"})-"P"_{"1"}*ln("R"_{"0"}/"r"))/(ln("r"/"R"_{"1"}))`

Example

`"10.13198N/cm²"=("4.38N/cm²"*ln("2.07cm"/"2cm")-"11N/cm²"*ln("2.07cm"/"2.6cm"))/(ln("2.6cm"/"2cm"))`

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Atmospheric pressure at electrode tip Solution

STEP 0: Pre-Calculation Summary

Formula Used

Atmospheric Pressure = (Pressure in the Flushing Gap*ln(Radius of the Electrodes/Radius of Flushing Hole)-Pressure in Flushing Hole*ln(Radius of the Electrodes/Radial Location of Pressure))/(ln(Radial Location of Pressure/Radius of Flushing Hole))
P_atm = (P_r*ln(R₀/R₁)-P₁*ln(R₀/r))/(ln(r/R₁))
This formula uses 1 Functions, 6 Variables

Functions Used

ln - The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function., ln(Number)

Variables Used

Atmospheric Pressure - (Measured in Pascal) - Atmospheric pressure, also known as barometric pressure, is the pressure within the atmosphere of Earth.
Pressure in the Flushing Gap - (Measured in Pascal) - Pressure in the flushing gap is the pressure at any distance r in fluid flow passage through the electrode in the EDM process.
Radius of the Electrodes - (Measured in Meter) - Radius of the electrodes is defined as the radius of the electrode used for unconventional machining by EDM.
Radius of Flushing Hole - (Measured in Meter) - Radius of flushing hole is the radius of flushing hole in EDM.
Pressure in Flushing Hole - (Measured in Pascal) - Pressure in Flushing Hole is the pressure in hole during EDM machining.
Radial Location of Pressure - (Measured in Meter) - Radial location of pressure is the radial location of pressure during EDM.

STEP 1: Convert Input(s) to Base Unit

Pressure in the Flushing Gap: 4.38 Newton per Square Centimeter --> 43800 Pascal (Check conversion here)
Radius of the Electrodes: 2.07 Centimeter --> 0.0207 Meter (Check conversion here)
Radius of Flushing Hole: 2 Centimeter --> 0.02 Meter (Check conversion here)
Pressure in Flushing Hole: 11 Newton per Square Centimeter --> 110000 Pascal (Check conversion here)
Radial Location of Pressure: 2.6 Centimeter --> 0.026 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_atm = (P_r*ln(R₀/R₁)-P₁*ln(R₀/r))/(ln(r/R₁)) --> (43800*ln(0.0207/0.02)-110000*ln(0.0207/0.026))/(ln(0.026/0.02))

Evaluating ... ...

P_atm = 101319.799389183

STEP 3: Convert Result to Output's Unit

101319.799389183 Pascal -->10.1319799389183 Newton per Square Centimeter (Check conversion here)

FINAL ANSWER

10.1319799389183 ≈ 10.13198 Newton per Square Centimeter <-- Atmospheric Pressure

(Calculation completed in 00.004 seconds)

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Home » Engineering » Production Engineering » Unconventional machining processes » Electro Discharge Machining (EDM) » Pressure distribution in the flushing gap » Atmospheric pressure at electrode tip

Credits

Created by Rajat Vishwakarma

University Institute of Technology RGPV (UIT - RGPV), Bhopal

Rajat Vishwakarma has created this Calculator and 400+ more calculators!

Verified by Sai Venkata Phanindra Chary Arendra

Vallurupalli Nageswara Rao Vignana Jyothi Institute of Engineering and Technology (VNRVJIET), Hyderabad

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< 6 Pressure distribution in the flushing gap Calculators

Radius of electrode from pressure flushing hole

Go Radius of the Electrodes = ((Radial Location of Pressure)^((Pressure in Flushing Hole-Atmospheric Pressure)/(Pressure in the Flushing Gap-Atmospheric Pressure))/Radius of Flushing Hole)^((Pressure in the Flushing Gap-Atmospheric Pressure)/(Pressure in Flushing Hole-Pressure in the Flushing Gap))

Atmospheric pressure at electrode tip

Go Atmospheric Pressure = (Pressure in the Flushing Gap*ln(Radius of the Electrodes/Radius of Flushing Hole)-Pressure in Flushing Hole*ln(Radius of the Electrodes/Radial Location of Pressure))/(ln(Radial Location of Pressure/Radius of Flushing Hole))

Pressure distribution in flushing gap

Go Pressure in the Flushing Gap = Atmospheric Pressure+((Pressure in Flushing Hole-Atmospheric Pressure)*ln(Radius of the Electrodes/Radial Location of Pressure))/(ln(Radius of the Electrodes/Radius of Flushing Hole))

Pressure in flushing hole

Go Pressure in Flushing Hole = Atmospheric Pressure+(Pressure in the Flushing Gap-Atmospheric Pressure)*(ln(Radius of the Electrodes/Radius of Flushing Hole)/ln(Radius of the Electrodes/Radial Location of Pressure))

Radial location of pressure distribution

Go Radial Location of Pressure = Radius of the Electrodes/((Radius of the Electrodes/Radius of Flushing Hole)^((Pressure in the Flushing Gap-Atmospheric Pressure)/(Pressure in Flushing Hole-Atmospheric Pressure)))

Radius of flushing hole EDM

Go Radius of Flushing Hole = Radius of the Electrodes/((Radius of the Electrodes/Radial Location of Pressure)^((Pressure in Flushing Hole-Atmospheric Pressure)/(Pressure in the Flushing Gap-Atmospheric Pressure)))

Atmospheric pressure at electrode tip Formula

What is term Flushing means in Electric Discharge Machining ?

Flushing refers to the method in which the dielectric fluid flows between the tool and the work gap.The efficiency of machining depends to a greater extent on the efficiency of the flushing. The wear debris present in the spark gap should be removed as quickly as possible. With poor flushing there is a possibility of build-up of the machined particles in the gap resulting in the short-circuiting and lower material removal rates. Problems with improper flushing are: uneven and significant tool wear affecting accuracy and surface finish; reduced removal rates due to unstable machining conditions and arcing around regions with high concentration of debris. It is noted during an experimental study that there is an optimum dielectric flushing rate of about 13 ml/s while machining AISI O1 tool steel, where the crack density and average thickness of the recast layer are at a minimum.

How to Calculate Atmospheric pressure at electrode tip?

Atmospheric pressure at electrode tip calculator uses Atmospheric Pressure = (Pressure in the Flushing Gap*ln(Radius of the Electrodes/Radius of Flushing Hole)-Pressure in Flushing Hole*ln(Radius of the Electrodes/Radial Location of Pressure))/(ln(Radial Location of Pressure/Radius of Flushing Hole)) to calculate the Atmospheric Pressure, The Atmospheric pressure at electrode tip formula is defined as the pressure of the ambient area where electrode performs EDM. Atmospheric Pressure is denoted by P_atm symbol.

How to calculate Atmospheric pressure at electrode tip using this online calculator? To use this online calculator for Atmospheric pressure at electrode tip, enter Pressure in the Flushing Gap (P_r), Radius of the Electrodes (R₀), Radius of Flushing Hole (R₁), Pressure in Flushing Hole (P₁) & Radial Location of Pressure (r) and hit the calculate button. Here is how the Atmospheric pressure at electrode tip calculation can be explained with given input values -> 0.001021 = (43800*ln(0.0207/0.02)-110000*ln(0.0207/0.026))/(ln(0.026/0.02)).

FAQ

What is Atmospheric pressure at electrode tip?

The Atmospheric pressure at electrode tip formula is defined as the pressure of the ambient area where electrode performs EDM and is represented as P_atm = (P_r*ln(R₀/R₁)-P₁*ln(R₀/r))/(ln(r/R₁)) or Atmospheric Pressure = (Pressure in the Flushing Gap*ln(Radius of the Electrodes/Radius of Flushing Hole)-Pressure in Flushing Hole*ln(Radius of the Electrodes/Radial Location of Pressure))/(ln(Radial Location of Pressure/Radius of Flushing Hole)). Pressure in the flushing gap is the pressure at any distance r in fluid flow passage through the electrode in the EDM process, Radius of the electrodes is defined as the radius of the electrode used for unconventional machining by EDM, Radius of flushing hole is the radius of flushing hole in EDM, Pressure in Flushing Hole is the pressure in hole during EDM machining & Radial location of pressure is the radial location of pressure during EDM.

How to calculate Atmospheric pressure at electrode tip?

The Atmospheric pressure at electrode tip formula is defined as the pressure of the ambient area where electrode performs EDM is calculated using Atmospheric Pressure = (Pressure in the Flushing Gap*ln(Radius of the Electrodes/Radius of Flushing Hole)-Pressure in Flushing Hole*ln(Radius of the Electrodes/Radial Location of Pressure))/(ln(Radial Location of Pressure/Radius of Flushing Hole)). To calculate Atmospheric pressure at electrode tip, you need Pressure in the Flushing Gap (P_r), Radius of the Electrodes (R₀), Radius of Flushing Hole (R₁), Pressure in Flushing Hole (P₁) & Radial Location of Pressure (r). With our tool, you need to enter the respective value for Pressure in the Flushing Gap, Radius of the Electrodes, Radius of Flushing Hole, Pressure in Flushing Hole & Radial Location of Pressure 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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