Radius of flushing hole EDM Solution

STEP 0: Pre-Calculation Summary
Formula Used
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)))
R1 = R0/((R0/r)^((P1-Patm)/(Pr-Patm)))
This formula uses 6 Variables
Variables Used
Radius of Flushing Hole - (Measured in Meter) - Radius of flushing hole is the radius of flushing hole in EDM.
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.
Radial Location of Pressure - (Measured in Meter) - Radial location of pressure is the radial location of pressure during EDM.
Pressure in Flushing Hole - (Measured in Pascal) - Pressure in Flushing Hole is the pressure in hole during EDM machining.
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.
STEP 1: Convert Input(s) to Base Unit
Radius of the Electrodes: 2.07 Centimeter --> 0.0207 Meter (Check conversion ​here)
Radial Location of Pressure: 2.6 Centimeter --> 0.026 Meter (Check conversion ​here)
Pressure in Flushing Hole: 11 Newton per Square Centimeter --> 110000 Pascal (Check conversion ​here)
Atmospheric Pressure: 10.1325 Newton per Square Centimeter --> 101325 Pascal (Check conversion ​here)
Pressure in the Flushing Gap: 4.38 Newton per Square Centimeter --> 43800 Pascal (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
R1 = R0/((R0/r)^((P1-Patm)/(Pr-Patm))) --> 0.0207/((0.0207/0.026)^((110000-101325)/(43800-101325)))
Evaluating ... ...
R1 = 0.020000474392217
STEP 3: Convert Result to Output's Unit
0.020000474392217 Meter -->2.0000474392217 Centimeter (Check conversion ​here)
FINAL ANSWER
2.0000474392217 2.000047 Centimeter <-- Radius of Flushing Hole
(Calculation completed in 00.020 seconds)

Credits

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Created by Rajat Vishwakarma
University Institute of Technology RGPV (UIT - RGPV), Bhopal
Rajat Vishwakarma has created this Calculator and 400+ more calculators!
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Vallurupalli Nageswara Rao Vignana Jyothi Institute of Engineering and Technology (VNRVJIET), Hyderabad
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Pressure distribution in the flushing gap Calculators

Atmospheric pressure at electrode tip
​ LaTeX ​ 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
​ LaTeX ​ 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
​ LaTeX ​ 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))
Radius of flushing hole EDM
​ LaTeX ​ 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)))

Radius of flushing hole EDM Formula

​LaTeX ​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)))
R1 = R0/((R0/r)^((P1-Patm)/(Pr-Patm)))

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 Radius of flushing hole EDM?

Radius of flushing hole EDM calculator uses 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))) to calculate the Radius of Flushing Hole, The Radius of flushing hole EDM formula is defined as the radius of the hollow part of electrode which contains the entrance/exit to the dielectric fluid. Radius of Flushing Hole is denoted by R1 symbol.

How to calculate Radius of flushing hole EDM using this online calculator? To use this online calculator for Radius of flushing hole EDM, enter Radius of the Electrodes (R0), Radial Location of Pressure (r), Pressure in Flushing Hole (P1), Atmospheric Pressure (Patm) & Pressure in the Flushing Gap (Pr) and hit the calculate button. Here is how the Radius of flushing hole EDM calculation can be explained with given input values -> 199.1759 = 0.0207/((0.0207/0.026)^((110000-101325)/(43800-101325))).

FAQ

What is Radius of flushing hole EDM?
The Radius of flushing hole EDM formula is defined as the radius of the hollow part of electrode which contains the entrance/exit to the dielectric fluid and is represented as R1 = R0/((R0/r)^((P1-Patm)/(Pr-Patm))) or 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))). Radius of the electrodes is defined as the radius of the electrode used for unconventional machining by EDM, Radial location of pressure is the radial location of pressure during EDM, Pressure in Flushing Hole is the pressure in hole during EDM machining, Atmospheric pressure, also known as barometric pressure, is the pressure within the atmosphere of Earth & Pressure in the flushing gap is the pressure at any distance r in fluid flow passage through the electrode in the EDM process.
How to calculate Radius of flushing hole EDM?
The Radius of flushing hole EDM formula is defined as the radius of the hollow part of electrode which contains the entrance/exit to the dielectric fluid is calculated using 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))). To calculate Radius of flushing hole EDM, you need Radius of the Electrodes (R0), Radial Location of Pressure (r), Pressure in Flushing Hole (P1), Atmospheric Pressure (Patm) & Pressure in the Flushing Gap (Pr). With our tool, you need to enter the respective value for Radius of the Electrodes, Radial Location of Pressure, Pressure in Flushing Hole, Atmospheric Pressure & Pressure in the Flushing Gap 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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