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1

Current Efficiency given Tool Feed Speed Formula

2

GoCurrent Efficiency given Volumetric Material Removal Rate Formula

3

GoCurrent Efficiency given Gap between Tool and Work Surface Formula

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Current Efficiency in Decimal is the ratio of the actual mass of a substance liberated from an electrolyte by the passage of current to the theoretical mass liberated according to faraday's law. Check FAQs

η e = V f \cdot ρ \cdot \frac{A}{e \cdot I}

η_e - Current Efficiency in Decimal?V_f - Feed Speed?ρ - Work Piece Density?A - Area of Penetration?e - Electrochemical Equivalent?I - Electric Current?

Current Efficiency given Tool Feed Speed Example

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Here is how the Current Efficiency given Tool Feed Speed equation looks like with Values.

Here is how the Current Efficiency given Tool Feed Speed equation looks like with Units.

Here is how the Current Efficiency given Tool Feed Speed equation looks like.

0.9009 = 0.05 \cdot 6861.065 \cdot \frac{7.6}{2.9E-7 \cdot 1000}

0.9009 = 0.05mm/s \cdot 6861.065kg/m³ \cdot \frac{7.6cm²}{2.9E-7kg/C \cdot 1000A}

0.9009 = 0.05 \cdot 6861.065 \cdot \frac{7.6}{2.9E-7 \cdot 1000}

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Current Efficiency given Tool Feed Speed Solution

Follow our step by step solution on how to calculate Current Efficiency given Tool Feed Speed?

FIRST Step Consider the formula

η e = V f \cdot ρ \cdot \frac{A}{e \cdot I}

Next Step Substitute values of Variables

∴

η e = 0.05mm/s \cdot 6861.065kg/m³ \cdot \frac{7.6cm²}{2.9E-7kg/C \cdot 1000A}

Next Step Convert Units

∴

η e = 5E-5m/s \cdot 6861.065kg/m³ \cdot \frac{0.0008m²}{2.9E-7kg/C \cdot 1000A}

Next Step Prepare to Evaluate

∴

η e = 5E-5 \cdot 6861.065 \cdot \frac{0.0008}{2.9E-7 \cdot 1000}

Next Step Evaluate

∴

η e = 0.90090003455425

LAST Step Rounding Answer

∴

η e = 0.9009

Current Efficiency given Tool Feed Speed Formula Elements

Variables

Current Efficiency in Decimal

Current Efficiency in Decimal is the ratio of the actual mass of a substance liberated from an electrolyte by the passage of current to the theoretical mass liberated according to faraday's law.

Symbol: η_e

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Current Efficiency in Decimal

Open Variable

Feed Speed

Feed Speed is the feed given against a workpiece per unit time.

Symbol: V_f

Measurement: SpeedUnit: mm/s

Note: Value should be greater than 0.

Formulas to find Feed Speed

Open Variable

Work Piece Density

The Work Piece Density is the mass per unit volume ratio of the material of workpiece.

Symbol: ρ

Measurement: DensityUnit: kg/m³

Note: Value should be greater than 0.

Formulas to find Work Piece Density

Open Variable

Area of Penetration

Area of Penetration is area of penetration of electrons.

Symbol: A

Measurement: AreaUnit: cm²

Note: Value should be greater than 0.

Formulas to find Area of Penetration

Open Variable

Electrochemical Equivalent

The Electrochemical Equivalent is the mass of a substance produced at the electrode during electrolysis by one coulomb of charge.

Symbol: e

Measurement: Electrochemical EquivalentUnit: kg/C

Note: Value should be greater than 0.

Formulas to find Electrochemical Equivalent

Open Variable

Electric Current

Electric current is the rate of flow of electric charge through a circuit, measured in amperes.

Symbol: I

Measurement: Electric CurrentUnit: A

Note: Value should be greater than 0.

Formulas to find Electric Current

Open Variable

Other Formulas to find Current Efficiency in Decimal

Go Current Efficiency given Volumetric Material Removal Rate

η e = Z r \cdot \frac{ρ}{e \cdot I}

Go Current Efficiency given Gap between Tool and Work Surface

η e = h \cdot r e \cdot ρ \cdot \frac{V f}{V s \cdot e}

Other formulas in Current in ECM category

Go Current Supplied given Volumetric Material Removal Rate

I = Z r \cdot \frac{ρ}{e \cdot η e}

Go Current Supplied given Tool Feed Speed

I = V f \cdot ρ \cdot \frac{A}{e \cdot η e}

Go Current Supplied for Electrolysis

I = \frac{V s}{R e}

Go Current Supplied for Electrolysis given Specific Resistivity of Electrolyte

I = A \cdot \frac{V s}{h \cdot r e}

See More

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How to Evaluate Current Efficiency given Tool Feed Speed?

Current Efficiency given Tool Feed Speed evaluator uses Current Efficiency in Decimal = Feed Speed*Work Piece Density*Area of Penetration/(Electrochemical Equivalent*Electric Current) to evaluate the Current Efficiency in Decimal, The Current Efficiency given Tool Feed Speed is a method to determine the ratio of actual metal removed due to electrolysis to the calculated value of metal removed during ECM when the tool moves at a given speed. Current Efficiency in Decimal is denoted by η_e symbol.

How to evaluate Current Efficiency given Tool Feed Speed using this online evaluator? To use this online evaluator for Current Efficiency given Tool Feed Speed, enter Feed Speed (V_f), Work Piece Density (ρ), Area of Penetration (A), Electrochemical Equivalent (e) & Electric Current (I) and hit the calculate button.

FAQs on Current Efficiency given Tool Feed Speed

What is the formula to find Current Efficiency given Tool Feed Speed?

The formula of Current Efficiency given Tool Feed Speed is expressed as Current Efficiency in Decimal = Feed Speed*Work Piece Density*Area of Penetration/(Electrochemical Equivalent*Electric Current). Here is an example- 0.889046 = 5E-05*6861.065*0.00076/(2.894E-07*1000).

How to calculate Current Efficiency given Tool Feed Speed?

With Feed Speed (V_f), Work Piece Density (ρ), Area of Penetration (A), Electrochemical Equivalent (e) & Electric Current (I) we can find Current Efficiency given Tool Feed Speed using the formula - Current Efficiency in Decimal = Feed Speed*Work Piece Density*Area of Penetration/(Electrochemical Equivalent*Electric Current).

What are the other ways to Calculate Current Efficiency in Decimal?

Here are the different ways to Calculate Current Efficiency in Decimal-

Current Efficiency in Decimal=Metal Removal Rate*Work Piece Density/(Electrochemical Equivalent*Electric Current)
Current Efficiency in Decimal=Gap Between Tool And Work Surface*Specific Resistance of The Electrolyte*Work Piece Density*Feed Speed/(Supply Voltage*Electrochemical Equivalent)

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