Lecture 4 Flashcards
1
Q
what is forging
A
forming of metal using localised compressive forces (supplied by presses or hammers)
2
Q
what is impression die forming
A
- material completey fills die cavity and flash is produced
3
Q
what is lubrication used for
A
- wear reduction
- help metal flow
4
Q
what is forgeability
A
ability of a material to deform without cracking
5
Q
hot die forging
A
- heated to main ductility and meleability
6
Q
what is swaging
A
used to widen diameter on ends of tubes/piping
7
Q
what is heading/upset forging
A
one end heat and fordged
produces heads on fasteners
8
Q
what is coining
A
impressions on coins made by forging
9
Q
what is extrusion
A
“poo”
- metal forced through die
10
Q
what is drawing
A
“chewing gum”
metal pulled through
