Machining Time for Drilling Operation Solution

STEP 0: Pre-Calculation Summary
Formula Used
Machining Time = Length of Cut/(Feed Rate*Rotational Frequency of Drill-bit)
tm = lw/(f*n)
This formula uses 4 Variables
Variables Used
Machining Time - (Measured in Second) - Machining time refers to the total time it takes to create a hole using a drilling machine. It is the duration for which the drill bit actively engages with the workpiece.
Length of Cut - (Measured in Meter) - Length of cut (LOC) refers to the depth of the hole being drilled. This is the total distance the drill bit travels into the workpiece to create the hole. It is often refers as 'depth of hole'.
Feed Rate - (Measured in Meter Per Revolution) - Feed Rate refers to the speed at which the cutting tool advances against the workpiece. It essentially controls how much material is removed with each pass of the tool.
Rotational Frequency of Drill-bit - (Measured in Radian per Second) - Rotational Frequency of Drill-bit is defined as the number of rotations per unit time or reciprocal of the time period of one complete rotation of drill-bit.
STEP 1: Convert Input(s) to Base Unit
Length of Cut: 355 Millimeter --> 0.355 Meter (Check conversion ​here)
Feed Rate: 0.7 Millimeter Per Revolution --> 0.0007 Meter Per Revolution (Check conversion ​here)
Rotational Frequency of Drill-bit: 185 Revolution per Minute --> 19.3731546961505 Radian per Second (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
tm = lw/(f*n) --> 0.355/(0.0007*19.3731546961505)
Evaluating ... ...
tm = 26.1776084017761
STEP 3: Convert Result to Output's Unit
26.1776084017761 Second --> No Conversion Required
FINAL ANSWER
26.1776084017761 26.17761 Second <-- Machining Time
(Calculation completed in 00.004 seconds)

Credits

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Created by Kumar Siddhant
Indian Institute of Information Technology, Design and Manufacturing (IIITDM), Jabalpur
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Osmania University (OU), Hyderabad
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Drilling Operation Calculators

Diameter of Drill Bit given Length of Approach
​ LaTeX ​ Go Diameter of Drill Bit = 2*Approach Distance/tan(pi/2-Drill Point Angle/2)
Machining Time for Drilling Operation
​ LaTeX ​ Go Machining Time = Length of Cut/(Feed Rate*Rotational Frequency of Drill-bit)
Drill Point Angle for given Length of Approach
​ LaTeX ​ Go Drill Point Angle = 2*atan(0.5*Diameter of Drill Bit/Approach Distance)
Length of Approach for Drilling Operation
​ LaTeX ​ Go Approach Distance = 0.5*Diameter of Drill Bit*cot(Drill Point Angle/2)

Machining Time for Drilling Operation Formula

​LaTeX ​Go
Machining Time = Length of Cut/(Feed Rate*Rotational Frequency of Drill-bit)
tm = lw/(f*n)

What is drilling operation?

Drilling is a fundamental machining process that involves creating cylindrical holes in solid materials. It's a widely used technique across various industries, from metalworking and carpentry to construction and electronics. In drilling 'Rotational Motion(Rotational vector)' and 'Linear motion(Linear Vector)' works together to perform machining. Drilling is a versatile and essential operation in machining. Understanding its core principles and considerations allows you to perform drilling tasks effectively and safely.

How to Calculate Machining Time for Drilling Operation?

Machining Time for Drilling Operation calculator uses Machining Time = Length of Cut/(Feed Rate*Rotational Frequency of Drill-bit) to calculate the Machining Time, Machining Time for Drilling Operation calculates the total time it takes to create a hole using a drill bit. This parameter depends on the hole size that is needed to produce. It's a crucial factor for determining production efficiency and cost. Machining Time is denoted by tm symbol.

How to calculate Machining Time for Drilling Operation using this online calculator? To use this online calculator for Machining Time for Drilling Operation, enter Length of Cut (lw), Feed Rate (f) & Rotational Frequency of Drill-bit (n) and hit the calculate button. Here is how the Machining Time for Drilling Operation calculation can be explained with given input values -> 26.17761 = 0.355/(0.0007*19.3731546961505).

FAQ

What is Machining Time for Drilling Operation?
Machining Time for Drilling Operation calculates the total time it takes to create a hole using a drill bit. This parameter depends on the hole size that is needed to produce. It's a crucial factor for determining production efficiency and cost and is represented as tm = lw/(f*n) or Machining Time = Length of Cut/(Feed Rate*Rotational Frequency of Drill-bit). Length of cut (LOC) refers to the depth of the hole being drilled. This is the total distance the drill bit travels into the workpiece to create the hole. It is often refers as 'depth of hole', Feed Rate refers to the speed at which the cutting tool advances against the workpiece. It essentially controls how much material is removed with each pass of the tool & Rotational Frequency of Drill-bit is defined as the number of rotations per unit time or reciprocal of the time period of one complete rotation of drill-bit.
How to calculate Machining Time for Drilling Operation?
Machining Time for Drilling Operation calculates the total time it takes to create a hole using a drill bit. This parameter depends on the hole size that is needed to produce. It's a crucial factor for determining production efficiency and cost is calculated using Machining Time = Length of Cut/(Feed Rate*Rotational Frequency of Drill-bit). To calculate Machining Time for Drilling Operation, you need Length of Cut (lw), Feed Rate (f) & Rotational Frequency of Drill-bit (n). With our tool, you need to enter the respective value for Length of Cut, Feed Rate & Rotational Frequency of Drill-bit and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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