1
Q
examples of metal casting
A
- sand casting
- die casting
- resin
- plaster of paris
- investment casting
2
Q
advantages of sand casting
A
- complex shapes can be produced
- generates little waste
- large components can be made
- effective, fast and cheap
- can cast ferrous and non - ferrous metals
3
Q
disadvantages of sand casting
A
- surface finish not always good
- sand moulds cannot be reused
- dimensions are not accurate
4
Q
advantages of die casting
A
- high production rate
- good surface finish
5
Q
disadvantages of die casting
A
- high setup cost
- only cost effective on high volume production
6
Q
advantages of investment casting
A
- can cast complex shapes
- maintains design integrity
7
Q
disadvantages of investment casting
A
- more expensive than other casting methods
8
Q
advantages of resin
A
- durable
- super hard wearing
9
Q
disadvantages of resin
A
- wear and tear over time can lead to cracking
10
Q
advantages of plaster of paris
A
- easy to complete
- durable
- cheap
11
Q
disadvantages of plaster of paris
A
- cannot be used in damp conditions
12
Q
uses of sand casting
A
- garden furniture
- engine blocks
13
Q
uses of die casting
A
- taps
- model cars
14
Q
uses of investment casting
A
- turbine blades
- jewellery
15
Q
uses of resin
A
- epoxy
- silicone resins
16
Q
uses of plaster in paris
A
- casts for bone fractures
17
Q
what is a ferrous metal
A
any metal that contains iron
18
Q
example of ferrous metals
A
stainless steel
19
Q
properties of ferrous metals
A
tensile strength
durable
20
Q
uses of ferrous metals
A
- skyscrapers
- bridges
- railways
21
Q
what is a non - ferrous metals
A
any metals that don`t contain iron
22
Q
example of non - ferrous metal
A
- copper
- aluminium
- lead
23
Q
properties of non - ferrous metals
A
- durable
- good electrical conductivity
- rust resistant
24
Q
uses of non - ferrous metals
A
- piping
- gutters
- outdoor signs
25
what is tensile strength
the maximum amount of stress a material can stand before being stretched or pulled
