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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. Check FAQs
Vratio=WmaxTrefVref(2πnsr)1n
Vratio - Rate of Increase of Wear Land Width?Wmax - Maximum Wear Land Width?Tref - Reference Tool Life?Vref - Reference Cutting Velocity?ns - Rotational Frequency of Spindle?r - Instantaneous Radius For Cut?n - Taylor's Tool Life Exponent?π - Archimedes' constant?

Rate of Increase of Wear-Land given Rotational Frequency of Spindle Example

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With units
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Here is how the Rate of Increase of Wear-Land given Rotational Frequency of Spindle equation looks like with Values.

Here is how the Rate of Increase of Wear-Land given Rotational Frequency of Spindle equation looks like with Units.

Here is how the Rate of Increase of Wear-Land given Rotational Frequency of Spindle equation looks like.

0.0133Edit=0.3125Edit5Edit5000Edit(23.141610Edit2.1221Edit)10.5Edit
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Rate of Increase of Wear-Land given Rotational Frequency of Spindle Solution

Follow our step by step solution on how to calculate Rate of Increase of Wear-Land given Rotational Frequency of Spindle?

FIRST Step Consider the formula
Vratio=WmaxTrefVref(2πnsr)1n
Next Step Substitute values of Variables
Vratio=0.3125mm5min5000mm/min(2π10rad/s2.1221mm)10.5
Next Step Substitute values of Constants
Vratio=0.3125mm5min5000mm/min(23.141610rad/s2.1221mm)10.5
Next Step Convert Units
Vratio=0.0003m300s0.0833m/s(23.141610rad/s0.0021m)10.5
Next Step Prepare to Evaluate
Vratio=0.00033000.0833(23.1416100.0021)10.5
Next Step Evaluate
Vratio=2.2222203207382E-07m/s
Next Step Convert to Output's Unit
Vratio=0.0133333219244292mm/min
LAST Step Rounding Answer
Vratio=0.0133mm/min

Rate of Increase of Wear-Land given Rotational Frequency of Spindle Formula Elements

Variables
Constants
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.
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.
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.
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.
Rotational Frequency of Spindle
Rotational Frequency of Spindle is the number of turns made by the spindle of the machine for cutting in one second.
Symbol: ns
Measurement: Angular VelocityUnit: rad/s
Note: Value should be greater than 0.
Instantaneous Radius For Cut
Instantaneous Radius For Cut is the radius of the workpiece surface currently being machined.
Symbol: r
Measurement: LengthUnit: mm
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.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288

Other Formulas to find Rate of Increase of Wear Land Width

​Go Rate of Increase of Wear-Land given Feed and Time for Facing
Vratio=WmaxTref(Vref2πns(ro-nsft′))1n
​Go Rate of Increase of Wear-Land Width
Vratio=WmaxTref((VrefV)1n)

Other formulas in Wear Land category

​Go Maximum Wear-Land Width
Wmax=LwTtm
​Go Increase in Wear-Land Width per Component
Lw=WmaxtmT

How to Evaluate Rate of Increase of Wear-Land given Rotational Frequency of Spindle?

Rate of Increase of Wear-Land given Rotational Frequency of Spindle evaluator uses Rate of Increase of Wear Land Width = Maximum Wear Land Width/(Reference Tool Life*Reference Cutting Velocity/(2*pi*Rotational Frequency of Spindle*Instantaneous Radius For Cut)^(1/Taylor's Tool Life Exponent)) to evaluate the Rate of Increase of Wear Land Width, The Rate of Increase of Wear-Land given Rotational Frequency of Spindle is a method to determine the increase in the width of the region where wear occurs in a tool per unit time when the Tool is used for machining, at a given Cutting Speed at any instant. Rate of Increase of Wear Land Width is denoted by Vratio symbol.

How to evaluate Rate of Increase of Wear-Land given Rotational Frequency of Spindle using this online evaluator? To use this online evaluator for Rate of Increase of Wear-Land given Rotational Frequency of Spindle, enter Maximum Wear Land Width (Wmax), Reference Tool Life (Tref), Reference Cutting Velocity (Vref), Rotational Frequency of Spindle (ns), Instantaneous Radius For Cut (r) & Taylor's Tool Life Exponent (n) and hit the calculate button.

FAQs on Rate of Increase of Wear-Land given Rotational Frequency of Spindle

What is the formula to find Rate of Increase of Wear-Land given Rotational Frequency of Spindle?
The formula of Rate of Increase of Wear-Land given Rotational Frequency of Spindle is expressed as Rate of Increase of Wear Land Width = Maximum Wear Land Width/(Reference Tool Life*Reference Cutting Velocity/(2*pi*Rotational Frequency of Spindle*Instantaneous Radius For Cut)^(1/Taylor's Tool Life Exponent)). Here is an example- 799.9993 = 0.0003125/(300*0.0833333333333333/(2*pi*10*0.002122065)^(1/0.5)).
How to calculate Rate of Increase of Wear-Land given Rotational Frequency of Spindle?
With Maximum Wear Land Width (Wmax), Reference Tool Life (Tref), Reference Cutting Velocity (Vref), Rotational Frequency of Spindle (ns), Instantaneous Radius For Cut (r) & Taylor's Tool Life Exponent (n) we can find Rate of Increase of Wear-Land given Rotational Frequency of Spindle using the formula - Rate of Increase of Wear Land Width = Maximum Wear Land Width/(Reference Tool Life*Reference Cutting Velocity/(2*pi*Rotational Frequency of Spindle*Instantaneous Radius For Cut)^(1/Taylor's Tool Life Exponent)). This formula also uses Archimedes' constant .
What are the other ways to Calculate Rate of Increase of Wear Land Width?
Here are the different ways to Calculate Rate of Increase of Wear Land Width-
  • Rate of Increase of Wear Land Width=Maximum Wear Land Width/(Reference Tool Life*(Reference Cutting Velocity/(2*pi*Rotational Frequency of Spindle*(Outside Radius of The Workpiece-Rotational Frequency of Spindle*Feed*Process Time)))^(1/Taylor's Tool Life Exponent))OpenImg
  • Rate of Increase of Wear Land Width=Maximum Wear Land Width/(Reference Tool Life*((Reference Cutting Velocity/Cutting Velocity)^(1/Taylor's Tool Life Exponent)))OpenImg
Can the Rate of Increase of Wear-Land given Rotational Frequency of Spindle be negative?
No, the Rate of Increase of Wear-Land given Rotational Frequency of Spindle, measured in Speed cannot be negative.
Which unit is used to measure Rate of Increase of Wear-Land given Rotational Frequency of Spindle?
Rate of Increase of Wear-Land given Rotational Frequency of Spindle is usually measured using the Millimeter per Minute[mm/min] for Speed. Meter per Second[mm/min], Meter per Minute[mm/min], Meter per Hour[mm/min] are the few other units in which Rate of Increase of Wear-Land given Rotational Frequency of Spindle can be measured.
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