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## Mean current setting from crater volume Solution

STEP 0: Pre-Calculation Summary
Formula Used
Mean current setting = ((Volume of crater*Ultimate Tensile Strength)/(6.25*10^6*Sparking time))^(2/3)
Im = ((V*Sut)/(6.25*10^6*τs))^(2/3)
This formula uses 3 Variables
Variables Used
Volume of crater - Volume of crater is defined as the Volume of crater made by an electric spark during EDM. (Measured in Square Millimeter)
Ultimate Tensile Strength - Ultimate tensile strength (UTS) is the maximum stress that a material can withstand while being stretched or pulled. (Measured in Megapascal)
Sparking time - Sparking time is defined as the time for which a spark is sustained. (Measured in Second)
STEP 1: Convert Input(s) to Base Unit
Volume of crater: 100 Square Millimeter --> 0.0001 Square Meter (Check conversion here)
Ultimate Tensile Strength: 100 Megapascal --> 100000000 Pascal (Check conversion here)
Sparking time: 10 Second --> 10 Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Im = ((V*Sut)/(6.25*10^6*τs))^(2/3) --> ((0.0001*100000000)/(6.25*10^6*10))^(2/3)
Evaluating ... ...
Im = 0.00294722519891231
STEP 3: Convert Result to Output's Unit
0.00294722519891231 Ampere --> No Conversion Required
0.00294722519891231 Ampere <-- Mean current setting
(Calculation completed in 00.015 seconds)

## < 6 Volume of crater made by an electric spark Calculators

Diameter of crater
Larger diameter = sqrt((8*(Volume of crater-(pi/6)*(Depth of machined surface^3)))/(pi*Depth of machined surface)) Go
Mean current setting from crater volume
Mean current setting = ((Volume of crater*Ultimate Tensile Strength)/(6.25*10^6*Sparking time))^(2/3) Go
Discharge duration of single pulse
Sparking time = (Volume of crater*Ultimate Tensile Strength)/(6.25*10^6*(Mean current setting^(3/2))) Go
Ultimate tensile strength of work piece material
Ultimate Tensile Strength = (6.25*10^6*Sparking time*(Mean current setting^(3/2)))/Volume of crater Go
Volume of crater related to mean current setting
Volume of crater = (3.25*10^6/Ultimate Tensile Strength)*Sparking time*Mean current setting^(3/2) Go
For copper electrode and kerosene dielectric
Volume of crater = 1.42*Capacitance*Discharge voltage Go

### Mean current setting from crater volume Formula

Mean current setting = ((Volume of crater*Ultimate Tensile Strength)/(6.25*10^6*Sparking time))^(2/3)
Im = ((V*Sut)/(6.25*10^6*τs))^(2/3)

## What factors affects surface finish during EDM ?

The amount of material removed and the surface finish produced is dependent upon the current in the spark. The material removed by the spark can be assumed to be a crater. The amount removed therefore will depend upon the crater depth, which is directly proportional to the current. Thus as the material removed increases and at the same time the surface finish also decreases. However, decreasing the current in the spark, but increasing its frequency will improve the surface finish in view of the small crater size, but at the same time the material removal rate can be maintained by increasing the frequency.

## How to Calculate Mean current setting from crater volume?

Mean current setting from crater volume calculator uses Mean current setting = ((Volume of crater*Ultimate Tensile Strength)/(6.25*10^6*Sparking time))^(2/3) to calculate the Mean current setting, The Mean current setting from crater volume formula is defined as the mean current setting according to optimum metal machining rate. Mean current setting is denoted by Im symbol.

How to calculate Mean current setting from crater volume using this online calculator? To use this online calculator for Mean current setting from crater volume, enter Volume of crater (V), Ultimate Tensile Strength (Sut) & Sparking time s) and hit the calculate button. Here is how the Mean current setting from crater volume calculation can be explained with given input values -> 0.002947 = ((0.0001*100000000)/(6.25*10^6*10))^(2/3).

### FAQ

What is Mean current setting from crater volume?
The Mean current setting from crater volume formula is defined as the mean current setting according to optimum metal machining rate and is represented as Im = ((V*Sut)/(6.25*10^6*τs))^(2/3) or Mean current setting = ((Volume of crater*Ultimate Tensile Strength)/(6.25*10^6*Sparking time))^(2/3). Volume of crater is defined as the Volume of crater made by an electric spark during EDM, Ultimate tensile strength (UTS) is the maximum stress that a material can withstand while being stretched or pulled & Sparking time is defined as the time for which a spark is sustained.
How to calculate Mean current setting from crater volume?
The Mean current setting from crater volume formula is defined as the mean current setting according to optimum metal machining rate is calculated using Mean current setting = ((Volume of crater*Ultimate Tensile Strength)/(6.25*10^6*Sparking time))^(2/3). To calculate Mean current setting from crater volume, you need Volume of crater (V), Ultimate Tensile Strength (Sut) & Sparking time s). With our tool, you need to enter the respective value for Volume of crater, Ultimate Tensile Strength & Sparking time 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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