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Forming process - Sand Casting

Victoria Campbell Engineering BTEC Inglés 7 fichas

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1What is casting ?Pouring or injecting a liquid metal into a mould. The mould contains a cavity (hole) that takes the shape of the product when the metal is cooled.
The product may require secondary machining (drilling, milling, turning) to create finished product.
2What are the advantages of casting?Can create complicated shapes
Can produce large hollow shapes
No waste
A good surface finish
3What is Sand Casting?Used to make LARGE PARTS such as manhole covers where accuracy isn't important
4What are the Health and Safety issues of Sand Casting?Uses molten metal which burns
Toxic Fumes from binders in sand
Possible electrocution or electrical fire
5List 3 applications of Sand CastingMakes less detailed objects like
Engine blocks
Manhold covers
drain grates
6List 2 disadvantages of sand casting?Bad surface finish due to sand indentation
Lots of defects in casting
Not suitable for mass production
Dangerous operation
7List 2 advantages of sand casting?It's quick to prepare due to sand indentation
Low cost
No skilled operators needed
Equipment is cheap and easy to use
Good for small production runs
Can produce large castings (pit casting)

Descripción: BTEC Engineering Fichas sobre Forming process - Sand Casting, creado por Victoria Campbell el 22/01/2017.
Creado por: Victoria Campbell · ene 2017
Actualizado: 6 abr 2018
Visitas: 1
Historial: Creado por un usuario eliminado · 29 ago 2016

Copiado por Victoria Campbell · 22 ene 2017
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