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Home / Courses / Sheet Metal / Manufacturing Process
Design Course

Sheet Metal

Fabrication Technology in Product Design
by
Kishore Babu Kamatham
 
Manufacturing Process
 
  • Printer-friendly version

 Chapter 3

Any kind of sheet metal fabrication essentially involves either removal or addition of material or changing the material into a different shape by way of applying compressive or tensile forces externally to obtain desired shapes. Manufacturing involves one or more of many metal manufacturing processes available that convert sheet metal into an object.

The raw material thickness of sheets can typically be classified as follows:

Foil   0.15 mm and less
Sheet 0.2 to 6.0 mm
Plate 6.0 mm and more

Barring very few, all metals available in sheet form, steel to gold, sheet form, Steel to Gold, are suitable for fabrication techniques available in the industry.

The basic three methods involved in sheet metal fabrication are:

  • Material Removal
  • Material Addition
  • Material Forming

The important material removal methods are:

  • Shearing / Cutting / Cropping
  • Punching / Blanking / Piercing

The important material addition methods are:

  • Welding
  • Riveting
  • Hemming
  • Adhesion

The important material forming methods are:

  • Bending
  • Pressing
  • Drawing
  • Rolling

The Important characteristics of metals in forming are:

  • Elongation
  • Grain Size and Direction
  • Residual stresses
  • Spring back
  • Wrinkling
  • Quality of sheared edges
  • Surface condition of sheet

De Cambering

Metal 3D Printing

  • Introduction
  • Overview of Sheet Metals
  • Manufacturing Process
    • De Cambering
    • Metal 3D Printing
  • Sheet Metal Joinery
  • Sheet Metal Assembly
  • Sheet Metal Finishes
  • Design Methodology
  • Contact Details
  • Credits

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