Commercial Processes Flashcards

1
Q

What is Die Casting?

A

Molten Metal is forced at high pressure into a mould called a “die”. Often used for non-ferrous metals like zinc or aluminium.

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2
Q

Properties of Die Casting?

A

Precise - (+/- 0.05mm tolerance)
1mm thin parts
Smooth
More economic

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3
Q

What is Sand casting?

A

Molten metal is poured into a sand mould and allowed to solidified. Commonly used with zinc or aluminium/ Ideal for one off production.

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4
Q

What is Gravity Die Casting?

A

Molten metal is poured into mould (“die”) which fills naturally with gravity. It is then tapped out with a hammer once its solidified.

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5
Q

What is Mazak?

A

An alloy of zinc and aluminium which is often melted in a crucible and used for Gravity Die Casting,

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6
Q

What is injection moulding?

A

An injection moulding machine is filled with plastic granules which are then heated up using a 3 zones screw to become melted. They are then pushed into the mould at high speed and cooled off using coolant bores.

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7
Q

What type of production is Injection moulding commonly used in?

A

Larger scale things such as mass production are an ideal use of injection moulding.

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8
Q

What are some uses for die casting?

A

The creation of anything from gold putter heads to large car engine blocks.

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