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Time for Facing Formula

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Process Time is the time for which any process has been carried out irrespective of its completion. Check FAQs

t′ = \frac{r o - v}{n s \cdot f}

t′ - Process Time?r_o - Outside Radius of The Workpiece?v - Instantaneous Radius For Cut?n_s - Rotational Frequency of Spindle?f - Feed?

Time for Facing Example

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With units

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Here is how the Time for Facing equation looks like with Values.

Here is how the Time for Facing equation looks like with Units.

Here is how the Time for Facing equation looks like.

1.6 = \frac{984 - 120}{10 \cdot 0.9}

1.6min = \frac{984mm - 120mm}{10Hz \cdot 0.9mm}

1.6 = \frac{984 - 120}{10 \cdot 0.9}

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Time for Facing Solution

Follow our step by step solution on how to calculate Time for Facing?

FIRST Step Consider the formula

t′ = \frac{r o - v}{n s \cdot f}

Next Step Substitute values of Variables

∴

t′ = \frac{984mm - 120mm}{10Hz \cdot 0.9mm}

Next Step Convert Units

∴

t′ = \frac{0.984m - 0.12m}{10Hz \cdot 0.0009m}

Next Step Prepare to Evaluate

∴

t′ = \frac{0.984 - 0.12}{10 \cdot 0.0009}

Next Step Evaluate

∴

t′ = 96s

LAST Step Convert to Output's Unit

∴

t′ = 1.6min

Time for Facing Formula Elements

Variables

Process Time

Process Time is the time for which any process has been carried out irrespective of its completion.

Symbol: t′

Measurement: TimeUnit: min

Note: Value should be greater than 0.

Formulas to find Process Time

Outside Radius of The Workpiece

Outside Radius of the Workpiece is The radius of the outermost surface of the workpiece, away from the machining tool.

Symbol: r_o

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Outside Radius of The Workpiece

Instantaneous Radius For Cut

Instantaneous Radius For Cut is the radius of the workpiece surface currently being machined.

Symbol: v

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Instantaneous Radius For Cut

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: n_s

Measurement: FrequencyUnit: Hz

Note: Value should be greater than 0.

Formulas to find Rotational Frequency of Spindle

Feed

The Feed is the distance the cutting tool advances along the length of the work for every revolution of the spindle.

Symbol: f

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Feed

Other formulas in Facing Time category

Go Total Machining Time for single Facing Operation

t m = \frac{r o - r i}{n s \cdot f}

Go Inner Radius of Workpiece given Machining Time for Facing

r i = r o - n s \cdot f \cdot t m

Go Outer Radius of Workpiece given Machining Time for Facing

r o = r i + (n s \cdot f \cdot t m)

Go Feed of Workpiece given Machining Time for Facing

f = \frac{r o - r i}{n s \cdot t m}

How to Evaluate Time for Facing?

Time for Facing evaluator uses Process Time = (Outside Radius of The Workpiece-Instantaneous Radius For Cut)/(Rotational Frequency of Spindle*Feed) to evaluate the Process Time, Time for Facing is simply time for which given Facing Process is being done, irrespective of its completion. Process Time is denoted by t′ symbol.

How to evaluate Time for Facing using this online evaluator? To use this online evaluator for Time for Facing, enter Outside Radius of The Workpiece (r_o), Instantaneous Radius For Cut (v), Rotational Frequency of Spindle (n_s) & Feed (f) and hit the calculate button.

FAQs on Time for Facing

What is the formula to find Time for Facing?

The formula of Time for Facing is expressed as Process Time = (Outside Radius of The Workpiece-Instantaneous Radius For Cut)/(Rotational Frequency of Spindle*Feed). Here is an example- 0.026667 = (0.984-0.12)/(10*0.0009).

How to calculate Time for Facing?

With Outside Radius of The Workpiece (r_o), Instantaneous Radius For Cut (v), Rotational Frequency of Spindle (n_s) & Feed (f) we can find Time for Facing using the formula - Process Time = (Outside Radius of The Workpiece-Instantaneous Radius For Cut)/(Rotational Frequency of Spindle*Feed).

Can the Time for Facing be negative?

No, the Time for Facing, measured in Time cannot be negative.

Which unit is used to measure Time for Facing?

Time for Facing is usually measured using the Minute[min] for Time. Second[min], Millisecond[min], Microsecond[min] are the few other units in which Time for Facing can be measured.

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Time for Facing Formula

Time for Facing Example

Time for Facing Solution

Time for Facing Formula Elements

Other formulas in Facing Time category

How to Evaluate Time for Facing?

FAQs on Time for Facing

Variable Name