Material Removal Rate during Drilling Operation Solution

STEP 0: Pre-Calculation Summary
Formula Used
Material Removal Rate in Drilling = pi/4*Machined Surface Diameter^2*Feed Speed
Zd = pi/4*dm^2*vf
This formula uses 1 Constants, 3 Variables
Constants Used
pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288
Variables Used
Material Removal Rate in Drilling - (Measured in Cubic Meter per Second) - Material removal rate in Drilling (MRR) is the volume of material removed from workpiece per time unit (usually per minute) while performing drilling operations.
Machined Surface Diameter - (Measured in Meter) - Machined Surface Diameter is the diameter of the inner surface of the cylindrical Job or Workpiece through which drilling operation was done. Which is essentially the diameter of the drilled hole.
Feed Speed - (Measured in Meter per Second) - Feed Speed refers to the rate at which the drill bit advances into the workpiece in a specified time frame during the drilling process.
STEP 1: Convert Input(s) to Base Unit
Machined Surface Diameter: 55 Millimeter --> 0.055 Meter (Check conversion ​here)
Feed Speed: 0.25 Meter per Second --> 0.25 Meter per Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Zd = pi/4*dm^2*vf --> pi/4*0.055^2*0.25
Evaluating ... ...
Zd = 0.00059395736106932
STEP 3: Convert Result to Output's Unit
0.00059395736106932 Cubic Meter per Second --> No Conversion Required
FINAL ANSWER
0.00059395736106932 0.000594 Cubic Meter per Second <-- Material Removal Rate in Drilling
(Calculation completed in 00.004 seconds)

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Indian Institute of Information Technology, Design and Manufacturing (IIITDM), Jabalpur
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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)

Material Removal Rate during Drilling Operation Formula

​LaTeX ​Go
Material Removal Rate in Drilling = pi/4*Machined Surface Diameter^2*Feed Speed
Zd = pi/4*dm^2*vf

Factors influencing MRR in drilling.

Several factors influence the MRR in drilling: 1.DRILL BIT DIAMETER (D): A larger diameter drill bit removes more material per revolution compared to a smaller one, significantly impacting MRR. 2.FEED RATE (F): A higher feed rate increases the rate at which the drill bit removes material, leading to a higher MRR. However, there's a limit as an excessively high feed rate can overload the drill bit and reduce tool life. 3.SPINDLE SPEED (RPM): While not directly included in the formula, spindle speed (rotational speed of the drill bit) can indirectly affect MRR. A higher RPM can improve chip formation and evacuation, especially with softer materials. However, excessively high RPM can also generate excessive heat and reduce tool life. 4.MATERIAL PROPERTIES: The type of material being drilled significantly impacts MRR. Harder materials generally require slower feed rates and lower MRR compared to softer materials.

How to Calculate Material Removal Rate during Drilling Operation?

Material Removal Rate during Drilling Operation calculator uses Material Removal Rate in Drilling = pi/4*Machined Surface Diameter^2*Feed Speed to calculate the Material Removal Rate in Drilling, Material Removal Rate during Drilling Operation determines to the volume of material removed from the workpiece per unit time. It's a crucial parameter for evaluating drilling efficiency and productivity. MRR in drilling depends on drill bit diameter, feed rate, spindle rate, material properties etc. Material Removal Rate in Drilling is denoted by Zd symbol.

How to calculate Material Removal Rate during Drilling Operation using this online calculator? To use this online calculator for Material Removal Rate during Drilling Operation, enter Machined Surface Diameter (dm) & Feed Speed (vf) and hit the calculate button. Here is how the Material Removal Rate during Drilling Operation calculation can be explained with given input values -> 0.000594 = pi/4*0.055^2*0.25.

FAQ

What is Material Removal Rate during Drilling Operation?
Material Removal Rate during Drilling Operation determines to the volume of material removed from the workpiece per unit time. It's a crucial parameter for evaluating drilling efficiency and productivity. MRR in drilling depends on drill bit diameter, feed rate, spindle rate, material properties etc and is represented as Zd = pi/4*dm^2*vf or Material Removal Rate in Drilling = pi/4*Machined Surface Diameter^2*Feed Speed. Machined Surface Diameter is the diameter of the inner surface of the cylindrical Job or Workpiece through which drilling operation was done. Which is essentially the diameter of the drilled hole & Feed Speed refers to the rate at which the drill bit advances into the workpiece in a specified time frame during the drilling process.
How to calculate Material Removal Rate during Drilling Operation?
Material Removal Rate during Drilling Operation determines to the volume of material removed from the workpiece per unit time. It's a crucial parameter for evaluating drilling efficiency and productivity. MRR in drilling depends on drill bit diameter, feed rate, spindle rate, material properties etc is calculated using Material Removal Rate in Drilling = pi/4*Machined Surface Diameter^2*Feed Speed. To calculate Material Removal Rate during Drilling Operation, you need Machined Surface Diameter (dm) & Feed Speed (vf). With our tool, you need to enter the respective value for Machined Surface Diameter & Feed Speed and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Material Removal Rate in Drilling?
In this formula, Material Removal Rate in Drilling uses Machined Surface Diameter & Feed Speed. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Material Removal Rate in Drilling = (pi*Machined Surface Diameter^2*Feed Rate in Drilling Operation*Rotational Frequency of Tool)/4
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