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Machining time is the total time required to remove material from a workpiece to achieve the desired dimensions and surface finish. Check FAQs
t=LfN
t - Machining Time?L - Length of Bar?f - Feed Rate?N - Spindle Speed?

Machining Time given Spindle Speed Example

With values
With units
Only example

Here is how the Machining Time given Spindle Speed equation looks like with Values.

Here is how the Machining Time given Spindle Speed equation looks like with Units.

Here is how the Machining Time given Spindle Speed equation looks like.

68.2093Edit=3Edit0.7Edit600Edit
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Machining Time given Spindle Speed Solution

Follow our step by step solution on how to calculate Machining Time given Spindle Speed?

FIRST Step Consider the formula
t=LfN
Next Step Substitute values of Variables
t=3m0.7mm/rev600rev/min
Next Step Convert Units
t=3m0.0007m/rev62.8319rad/s
Next Step Prepare to Evaluate
t=30.000762.8319
Next Step Evaluate
t=68.2092613285714s
LAST Step Rounding Answer
t=68.2093s

Machining Time given Spindle Speed Formula Elements

Variables
Machining Time
Machining time is the total time required to remove material from a workpiece to achieve the desired dimensions and surface finish.
Symbol: t
Measurement: TimeUnit: s
Note: Value should be greater than 0.
Length of Bar
length of bar refers to the overall length of the workpiece that is being machined.
Symbol: L
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Feed Rate
Feed rate refers to the distance that the cutting tool advances into the workpiece per unit of time or per revolution of the workpiece.
Symbol: f
Measurement: FeedUnit: mm/rev
Note: Value should be greater than 0.
Spindle Speed
Spindle Speed is the speed of machine tool spindle given in revolutions per minute.
Symbol: N
Measurement: Angular VelocityUnit: rev/min
Note: Value can be positive or negative.

Other Formulas to find Machining Time

​Go Machining Time given Cutting Speed
t=πDLfV

Other formulas in Mechanics of Orthogonal Cutting category

​Go Cutting Speed given Spindle Speed
V=πDN
​Go Surface Finish Constraint
C=0.0321rnose
​Go Nose Radius of Tool from Surface Finish Constraint
rnose=0.0321C
​Go Cutting Speed from Tool Temperature
V=(θk0.44c0.56C0UsA0.22)10044

How to Evaluate Machining Time given Spindle Speed?

Machining Time given Spindle Speed evaluator uses Machining Time = Length of Bar/(Feed Rate*Spindle Speed) to evaluate the Machining Time, Machining Time given Spindle Speed is the time required to complete the given turning operation. Machining Time is denoted by t symbol.

How to evaluate Machining Time given Spindle Speed using this online evaluator? To use this online evaluator for Machining Time given Spindle Speed, enter Length of Bar (L), Feed Rate (f) & Spindle Speed (N) and hit the calculate button.

FAQs on Machining Time given Spindle Speed

What is the formula to find Machining Time given Spindle Speed?
The formula of Machining Time given Spindle Speed is expressed as Machining Time = Length of Bar/(Feed Rate*Spindle Speed). Here is an example- 68.20926 = 3/(0.0007*62.8318530685963).
How to calculate Machining Time given Spindle Speed?
With Length of Bar (L), Feed Rate (f) & Spindle Speed (N) we can find Machining Time given Spindle Speed using the formula - Machining Time = Length of Bar/(Feed Rate*Spindle Speed).
What are the other ways to Calculate Machining Time?
Here are the different ways to Calculate Machining Time-
  • Machining Time=(pi*Workpiece Diameter*Length of Bar)/(Feed Rate*Cutting Velocity)OpenImg
Can the Machining Time given Spindle Speed be negative?
No, the Machining Time given Spindle Speed, measured in Time cannot be negative.
Which unit is used to measure Machining Time given Spindle Speed?
Machining Time given Spindle Speed is usually measured using the Second[s] for Time. Millisecond[s], Microsecond[s], Nanosecond[s] are the few other units in which Machining Time given Spindle Speed can be measured.
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