Blank Size for Drawing Operation Calculator

Category	Engineering ↺
Engineering	Production Engineering ↺
Production-Engineering	Sheet Metal Operations ↺

✖Outer diameter of shell is the maximum width of object under consideration.ⓘ Outer diameter of shell [d]			+10% -10%
✖Height of the shell is the longitudinal length measured along its axisⓘ Height of the shell [h]			+10% -10%

✖Blank Diameter is the diameter of the blank used.ⓘ Blank Size for Drawing Operation [BD]

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Rajat Vishwakarma

University Institute of Technology RGPV (UIT - RGPV), Bhopal

Rajat Vishwakarma has created this Calculator and 100+ more calculators!

Anshika Arya

National Institute Of Technology (NIT), Hamirpur

Anshika Arya has verified this Calculator and 400+ more calculators!

< 6 Other formulas that you can solve using the same Inputs

Blank size when there is corner radius on punch (d < 10r)

Blank Diameter=sqrt((Outer diameter of shell-2*Corner radius on punch)^2+4*Outer diameter of shell*(Height of the shell-Corner radius on punch)+2*pi*Corner radius on punch*(Outer diameter of shell-0.7*Corner radius on punch)) GO

Drawing Force for Cylindrical shells

Drawing force=pi*Outer diameter of shell*Thickness of Sheet or Blank*Yield Strength*((Blank Diameter/Outer diameter of shell)-A Constant to cover friction) GO

Blank size when there is corner radius on punch (15r ≤ d ≤ 20r)

Blank Diameter=sqrt((Outer diameter of shell)^2+4*Outer diameter of shell*Height of the shell-0.5*Corner radius on punch) GO

Blank size when there is corner radius on punch (10r ≤ d ≤ 15r)

Blank Diameter=sqrt((Outer diameter of shell)^2+4*Outer diameter of shell*Height of the shell-Corner radius on punch) GO

Blank diameter from percent reduction

Blank Diameter=Outer diameter of shell*(1-(Percent reduction after drawing/100))^(-1) GO

Percent reduction after drawing

Percent reduction after drawing=100*(1-(Outer diameter of shell/Blank Diameter)) GO

< 4 Other formulas that calculate the same Output

Blank size when there is corner radius on punch (d < 10r)

Blank size when there is corner radius on punch (15r ≤ d ≤ 20r)

Blank Diameter=sqrt((Outer diameter of shell)^2+4*Outer diameter of shell*Height of the shell-0.5*Corner radius on punch) GO

Blank size when there is corner radius on punch (10r ≤ d ≤ 15r)

Blank Diameter=sqrt((Outer diameter of shell)^2+4*Outer diameter of shell*Height of the shell-Corner radius on punch) GO

Blank diameter from percent reduction

Blank Diameter=Outer diameter of shell*(1-(Percent reduction after drawing/100))^(-1) GO

Blank Size for Drawing Operation Formula

Blank Diameter=((Outer diameter of shell^2)+(4*Outer diameter of shell*Height of the shell))^0.5
BD=((d^2)+(4*d*h))^0.5

More formulas

Bend Allowance GO

Punch Load GO

Clearance Between Two Shears GO

Punching Force for Holes Smaller Than Sheet Thickness GO

Drawing Force for Cylindrical shells GO

Blank size when there is corner radius on punch (15r ≤ d ≤ 20r) GO

Blank size when there is corner radius on punch (10r ≤ d ≤ 15r) GO

Blank size when there is corner radius on punch (d < 10r) GO

Ironing Force after drawing GO

Mean diameter of the shell after ironing GO

Thickness of shell before ironing GO

Average of tensile strength before and after ironing GO

Percent reduction after drawing GO

Blank diameter from percent reduction GO

Shell diameter from percent reduction GO

How to determine Blank Size for Drawing Operation for cylindrical shells?

This calculator gives the blank diameter for cylindrical shells for relatively thin materials. The calculation could be based on volume, surface area or by layout. These are only the theoretical blank sizes, based on the surface area of the shell and blank. For practical purposes, it is necessary to add additional allowances to provide for trimming of the uneven and irregular rim of the deep drawn cup. This is termed as trim allowance. The trim allowance could be 3 mm for the first 25 mm cup diameter and additional 3 mm for each of the additional 25 mm of cup diameters.

How to Calculate Blank Size for Drawing Operation?

Blank Size for Drawing Operation calculator uses Blank Diameter=((Outer diameter of shell^2)+(4*Outer diameter of shell*Height of the shell))^0.5 to calculate the Blank Diameter, The Blank Size for Drawing Operation determination is very crucial for designing a given shell. This calculator gives the blank diameter for cylindrical shells for relatively thin materials. . Blank Diameter and is denoted by BD symbol.

How to calculate Blank Size for Drawing Operation using this online calculator? To use this online calculator for Blank Size for Drawing Operation, enter Outer diameter of shell (d) and Height of the shell (h) and hit the calculate button. Here is how the Blank Size for Drawing Operation calculation can be explained with given input values -> 0.017321 = ((0.01^2)+(4*0.01*0.005))^0.5.

FAQ

What is Blank Size for Drawing Operation?

The Blank Size for Drawing Operation determination is very crucial for designing a given shell. This calculator gives the blank diameter for cylindrical shells for relatively thin materials. and is represented as BD=((d^2)+(4*d*h))^0.5 or Blank Diameter=((Outer diameter of shell^2)+(4*Outer diameter of shell*Height of the shell))^0.5. Outer diameter of shell is the maximum width of object under consideration and Height of the shell is the longitudinal length measured along its axis.

How to calculate Blank Size for Drawing Operation?

The Blank Size for Drawing Operation determination is very crucial for designing a given shell. This calculator gives the blank diameter for cylindrical shells for relatively thin materials. is calculated using Blank Diameter=((Outer diameter of shell^2)+(4*Outer diameter of shell*Height of the shell))^0.5. To calculate Blank Size for Drawing Operation, you need Outer diameter of shell (d) and Height of the shell (h). With our tool, you need to enter the respective value for Outer diameter of shell and Height of the shell 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 Blank Diameter?

In this formula, Blank Diameter uses Outer diameter of shell and Height of the shell. We can use 4 other way(s) to calculate the same, which is/are as follows -

Blank Diameter=sqrt((Outer diameter of shell)^2+4*Outer diameter of shell*Height of the shell-0.5*Corner radius on punch)
Blank Diameter=sqrt((Outer diameter of shell)^2+4*Outer diameter of shell*Height of the shell-Corner radius on punch)
Blank Diameter=sqrt((Outer diameter of shell-2*Corner radius on punch)^2+4*Outer diameter of shell*(Height of the shell-Corner radius on punch)+2*pi*Corner radius on punch*(Outer diameter of shell-0.7*Corner radius on punch))
Blank Diameter=Outer diameter of shell*(1-(Percent reduction after drawing/100))^(-1)

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