Reference Tool Life given Rate of Increase of Wear-Land Width Formula

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Reference Tool Life is the tool Life of the tool obtained in the reference machining condition. Check FAQs
Tref=WmaxVratio(VrefV)1n
Tref - Reference Tool Life?Wmax - Maximum Wear Land Width?Vratio - Rate of Increase of Wear Land Width?Vref - Reference Cutting Velocity?V - Cutting Velocity?n - Taylor's Tool Life Exponent?

Reference Tool Life given Rate of Increase of Wear-Land Width Example

With values
With units
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Here is how the Reference Tool Life given Rate of Increase of Wear-Land Width equation looks like with Values.

Here is how the Reference Tool Life given Rate of Increase of Wear-Land Width equation looks like with Units.

Here is how the Reference Tool Life given Rate of Increase of Wear-Land Width equation looks like.

5Edit=0.3125Edit0.16Edit(5000Edit8000Edit)10.5Edit
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Reference Tool Life given Rate of Increase of Wear-Land Width Solution

Follow our step by step solution on how to calculate Reference Tool Life given Rate of Increase of Wear-Land Width?

FIRST Step Consider the formula
Tref=WmaxVratio(VrefV)1n
Next Step Substitute values of Variables
Tref=0.3125mm0.16mm/min(5000mm/min8000mm/min)10.5
Next Step Convert Units
Tref=0.0003m2.7E-6m/s(0.0833m/s0.1333m/s)10.5
Next Step Prepare to Evaluate
Tref=0.00032.7E-6(0.08330.1333)10.5
Next Step Evaluate
Tref=299.999999999998s
Next Step Convert to Output's Unit
Tref=4.99999999999997min
LAST Step Rounding Answer
Tref=5min

Reference Tool Life given Rate of Increase of Wear-Land Width Formula Elements

Variables
Reference Tool Life
Reference Tool Life is the tool Life of the tool obtained in the reference machining condition.
Symbol: Tref
Measurement: TimeUnit: min
Note: Value should be greater than 0.
Maximum Wear Land Width
Maximum Wear Land Width is the maximum width of the region where wear occurs in a tool.
Symbol: Wmax
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Rate of Increase of Wear Land Width
Rate of Increase of Wear Land Width is the increase in the width of the region where wear occurs in a tool per unit time.
Symbol: Vratio
Measurement: SpeedUnit: mm/min
Note: Value should be greater than 0.
Reference Cutting Velocity
Reference Cutting Velocity is the Cutting Velocity of the tool used in the reference machining Condition.
Symbol: Vref
Measurement: SpeedUnit: mm/min
Note: Value should be greater than 0.
Cutting Velocity
The Cutting Velocity is the tangential velocity at the periphery of the cutter or workpiece(whichever is rotating).
Symbol: V
Measurement: SpeedUnit: mm/min
Note: Value should be greater than 0.
Taylor's Tool Life Exponent
Taylor's Tool Life Exponent is an experimental exponent that helps in quantifying the rate of tool wear.
Symbol: n
Measurement: NAUnit: Unitless
Note: Value should be less than 1.

Other formulas in Wear Land category

​Go Maximum Wear-Land Width
Wmax=LwTtm
​Go Increase in Wear-Land Width per Component
Lw=WmaxtmT
​Go Machining Time given Maximum Wear-Land Width
tm=LwTWmax
​Go Maximum Wear-Land Width given Rate of Increase of Wear-Land Width
Wmax=VratioTref((VrefV)1n)

How to Evaluate Reference Tool Life given Rate of Increase of Wear-Land Width?

Reference Tool Life given Rate of Increase of Wear-Land Width evaluator uses Reference Tool Life = Maximum Wear Land Width/(Rate of Increase of Wear Land Width*(Reference Cutting Velocity/Cutting Velocity)^(1/Taylor's Tool Life Exponent)) to evaluate the Reference Tool Life, The Reference Tool Life given Rate of Increase of Wear-Land Width is a method to determine the Tool Life for the reference condition when Rate of Increase of Wear-Land Width is given. Reference Tool Life is denoted by Tref symbol.

How to evaluate Reference Tool Life given Rate of Increase of Wear-Land Width using this online evaluator? To use this online evaluator for Reference Tool Life given Rate of Increase of Wear-Land Width, enter Maximum Wear Land Width (Wmax), Rate of Increase of Wear Land Width (Vratio), Reference Cutting Velocity (Vref), Cutting Velocity (V) & Taylor's Tool Life Exponent (n) and hit the calculate button.

FAQs on Reference Tool Life given Rate of Increase of Wear-Land Width

What is the formula to find Reference Tool Life given Rate of Increase of Wear-Land Width?
The formula of Reference Tool Life given Rate of Increase of Wear-Land Width is expressed as Reference Tool Life = Maximum Wear Land Width/(Rate of Increase of Wear Land Width*(Reference Cutting Velocity/Cutting Velocity)^(1/Taylor's Tool Life Exponent)). Here is an example- 0.083333 = 0.0003125/(2.66666666666667E-06*(0.0833333333333333/0.133333333333333)^(1/0.5)).
How to calculate Reference Tool Life given Rate of Increase of Wear-Land Width?
With Maximum Wear Land Width (Wmax), Rate of Increase of Wear Land Width (Vratio), Reference Cutting Velocity (Vref), Cutting Velocity (V) & Taylor's Tool Life Exponent (n) we can find Reference Tool Life given Rate of Increase of Wear-Land Width using the formula - Reference Tool Life = Maximum Wear Land Width/(Rate of Increase of Wear Land Width*(Reference Cutting Velocity/Cutting Velocity)^(1/Taylor's Tool Life Exponent)).
Can the Reference Tool Life given Rate of Increase of Wear-Land Width be negative?
No, the Reference Tool Life given Rate of Increase of Wear-Land Width, measured in Time cannot be negative.
Which unit is used to measure Reference Tool Life given Rate of Increase of Wear-Land Width?
Reference Tool Life given Rate of Increase of Wear-Land Width is usually measured using the Minute[min] for Time. Second[min], Millisecond[min], Microsecond[min] are the few other units in which Reference Tool Life given Rate of Increase of Wear-Land Width can be measured.
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