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WorksheetsEPP201
Total questions: 10
Worksheet time: 6mins
How parts are manufactured?
Descriptive
Innovative
Destructive
Subtractive
What is the main difference between drawing and deep drawing process?
strength to weight ratio over than 1
depth to diameter ratio less than 1
depth to diameter ratio over than 1
All are wrong
Name the process to produce the part
Drawing
Stamping
Explosive forming
Hydroforming
Springback is generally referred to as the change of part shape that occurs upon removal of (a) after forming.
How we can differentiate embossing and coining? EXCEPT
load required for embossing is less
coining produce more complex profile
profile on each side for coining is different
Embossing needs only top die.
The part is made of sheet metal, the edge was bend 180 degree. What is the process name?
Bending
Flanging
Hemming
Seaming
Why most of the metal forming processes are multi-stages?
To minimize the load
To save the tooling cost
To use less material
To reduce the waste
How this profile produced?
Piercing
Punching
Perforating
Blanking
What is the different between nibbling and perforating?
Gap between the holes
size of the holes
shape of the holes
Height of the holes
What are the information you can gathered from stress-strain curve? EXCEPT
Yield point
Ultimate tensile strength
Breaking point
Thickness of the material
