Forming, Redistribution And Addition Processes - Metals Flashcards
What is press forming
Press forming is used to shape sheet metal into 3D forms for example car body panels
How is press forming carried out
Sheet metal is clamped over a die of the product
A hydraulic press pushes the die into sheet metal
The hydraulic die is lowered and the pressed sheet component is removed
What is spinning
Spinning is an alternative to press forming for shaping objects
What type of production is spinning commonly used in
Mass production
How is spinning carried out
A former called a mandrel is put into the chuck
The sheet metal is held in place between the mandrel and tail stock
The roller tool is moved and rotated with the mandrel this starts to stretch the material over the mandrel
What is cupping and deep drawing used for
Used to form tube like shapes such as fire extinguishers and high pressure aerosol cans
