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D&T Flashcards

(18 cards)

1
Q

What is the main material used in screen-printing?

A

Papers and Textiles

Common products include posters, signs, and t-shirts.

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2
Q

What products are made using offset lithography?

A

Posters, newspapers, plastic bags

This process uses rollers and a plate cylinder.

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3
Q

How does screen-printing apply paint?

A

Places paint on top of a screen with a stencil

The paint creates the desired shape underneath.

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4
Q

What is a key advantage of screen-printing?

A

Good for one-off and batch production

Often done by hand.

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5
Q

What materials are used in lathe turning?

A

Wood and metal

Common products include chair legs and baseball bats.

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6
Q

What is the primary process in lathe turning?

A

Material is spun at high speed and cut to shape

Can be done by hand or automated machinery.

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7
Q

What is die casting primarily used for?

A

Car parts, engine components

Involves pouring molten metal into a reusable mould.

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8
Q

What is a defining characteristic of die casting?

A

The mould is reusable

Unlike sand casting.

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9
Q

What is the primary material used in injection moulding?

A

Plastics

This process produces items like chairs and toys.

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10
Q

Describe the injection moulding process.

A

Plastic granules are heated and forced into a mould

Produces hundreds of identical products at once.

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11
Q

What is the main product of blow moulding?

A

Plastic bottles

The process involves heating a plastic parison.

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12
Q

How does blow moulding shape the plastic?

A

A parison is filled with air to fit the mould

The shaped plastic is then cooled and released.

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13
Q

What is a key advantage of injection moulding?

A

Great for mass production

Makes hundreds of products at once.

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14
Q

What are the materials used in offset lithography?

A

Papers and card (thin, flexible plastics)

Utilizes rollers containing colours and water.

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15
Q

Fill in the blank: In die casting, molten metal is forced through a _______ into the mould.

A

nozzle

This allows for precise shaping of components.

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16
Q

True or False: Blow moulding is suitable for producing items other than plastic bottles.

A

False

It is specifically designed for bottles.

17
Q

What is the primary advantage of using offset lithography for production?

A

Can be used at batch and mass production

Effective for large print runs.

18
Q

What is the function of the water in the offset lithography process?

A

Stops colours from sticking to certain places

This helps create the desired shape.