Help calculating force required to flange a cylinder

In summary, calculating the force required to flange a cylinder involves understanding the relationship between the material properties, dimensions of the cylinder, and the desired flange geometry. Key factors include the cylinder's diameter, wall thickness, and material yield strength. The formula for calculating the flange force typically involves the pressure inside the cylinder and the area of the flange. Proper calculations ensure that the flange can withstand operational pressures without failure.
  • #1
manjy
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TL;DR Summary
Need to calculate the force required to flange a cylinder outwards around the perimeter by approx. 5mm.
Cylinder is either Aluminum or standard Mild Steel.
Need help in calculating the force required to flange a cylinder outwards around the perimeter by approx. 5mm.
Cylinder is either Aluminum or standard Mild Steel.
Thank you.
 
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  • #2
Welcome to PF.

What do you mean by "flange a cylinder outwards"?
Maybe a drawing might help.

Do you think the cylinder diameter, or the wall thickness, might influence the force required?

Will the material be hot or cold?
 
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Likes Lnewqban and Ranger Mike
  • #3
Welcome! :cool:

Do you know how to calculate the cross-section area of metal that needs to be taken to the plastic condition at once, including the stretching of the forming flange?

If you do, the rest of the calculation should only need knowing the yield strength of the material, and assuming the amount of friction between the press die and the flowing metal.

Please, see:
https://en.wikipedia.org/wiki/Yield_(engineering)

https://thelibraryofmanufacturing.com/deep_drawing.html
 
  • #4
Baluncore said:
Welcome to PF.

What do you mean by "flange a cylinder outwards"?
Maybe a drawing might help.

Do you think the cylinder diameter, or the wall thickness, might influence the force required?

Will the material be hot or cold?
Hello,

Here are some drawings of the flange required. Material is cold.
Aluminum - 1mm thick
or MS - 0.50mm thick.

1709543468674.png


1709543500810.png
 

FAQ: Help calculating force required to flange a cylinder

What is the formula to calculate the force required to flange a cylinder?

The force required to flange a cylinder can be calculated using the formula: F = P × A, where F is the force, P is the pressure applied, and A is the area of the flange. The area can be determined based on the dimensions of the flange and the cylinder.

How do I determine the area of the flange?

The area of the flange can be calculated using the formula A = π × r², where r is the radius of the flange. If the flange has a different shape, you may need to use the appropriate geometric formula for that shape to find the area.

What factors affect the force required to flange a cylinder?

Several factors can affect the force required, including the material properties of the cylinder, the thickness of the flange, the type of flange connection, and the internal pressure within the cylinder. Additionally, friction between the surfaces during the flanging process can also impact the required force.

How can I calculate the required force if I only have the diameter of the cylinder?

If you have the diameter of the cylinder, you can find the radius by dividing the diameter by 2. Then, use the radius to calculate the area of the flange and apply the pressure using the formula F = P × A. Make sure to convert all units appropriately to maintain consistency.

Is there a difference in force calculation for different flange types?

Yes, different flange types (such as weld neck, slip-on, or blind flanges) may have different geometries and load distributions, which can affect the area calculation and, consequently, the force required. It is important to consider the specific type of flange and its design when calculating the required force.

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