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What is metal bending?

Metal bending is the process of forming metal to a desired angle – usually a ‘V’ or a ‘U’ shape.


Three common methods of metal bending include: coining, air bending, and bottom bending.

Coining – The most common method, this technique makes use of a press brake to form precise angles. The material that is to be bent is pressed between a die and a punch which forms it to the desired shape.

This is a photo of sheet metal being bent

Air Bending – With this method – which tends to be less precise than the aforementioned technique – the material being used rests on “die shoulders”. The center of the sheet of material is left unsupported. The bend angle is reliant on how far the punch is pressed into the material. There is a chance for the material to jump back with this method; for this reason, operators must make any adjustments needed to account for this jump as well as take the necessary safety precautions.

Bottom Bending – With this method, the material to be bent never makes complete contact with the punch and die. As a result – similar to air bending – the material is likely to jump back to its original form once released. As with air bending, operators must make the necessary adjustments to account for the jump along with taking any needed safety measures.

Types of materials we bend:

Our team at Yankee Sheet Metal will work with you to make any custom project a reality. We work with metals up to ¾” including:

  • Stainless steel
  • Black iron
  • Galvanized metals
  • Copper
  • Aluminum
  • Brass
  • Titanium
  • Diamond plate

Industries that can benefit include:

  • Railroad manufacturers
  • Motor vehicle manufacturers
  • Shipbuilders
  • Aerospace
  • Civil Engineers

Think your next project can benefit from Yankee Sheet Metal’s services? We offer services for your custom project across Connecticut and Western Massachusetts. Give us a call at (860) 528-9431 or fill out the form on our ‘Contact Us’ page to learn how we can make your vision a reality!

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