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