Lecture 5 Flashcards Preview

Processes: Casting and Forming > Lecture 5 > Flashcards

Flashcards in Lecture 5 Deck (13)
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1
Q

what is shearing operations

A

guillotine

2
Q

fien blanking

A

v shaped lock to prevent distortion of material

3
Q

what is blanking

A

when sheared piece is usable piece

4
Q

what is piercing

A

when sheared piece is thrown away and left with hole

5
Q

what is deep drawing

A

“cup shaped”

6
Q

what is stretch forming

A

made for airplane panels etc

7
Q

what is peen forming

A

shot with small ball bearing like material - increases yielding on the surface and indentations are made

8
Q

advantages of superplastic forming

A

high ductility and forms complex shapes in one piece

9
Q

disadvantages of superplastic forming

A

can be slow to form

10
Q

bulging

A

split pipes

11
Q

rubber forming

A

shoe soles

12
Q

hydroforming

A

female die filled with pressurised water

allows for more complex shapes and deeper draw

13
Q

electroforming

A

charge detonated - shock waves force material into die cavity