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Dt 10 > Manufacturing And Materials Term 1 > Flashcards

Manufacturing And Materials Term 1 Flashcards

1
Q

Give three examples of softwoods

A

Pine, spuce and redwood

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2
Q

Give three examples of hardwood

A

Ash, beech and oak

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3
Q

Give the 3 characteristics of softwood comapred to hardwood

A

They are softer and easier to work with, grow faster and used as building material

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4
Q

Give 3 characteristics of hardwood

A

Very expensive, lose their leaves in the winter and are hard

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5
Q

What is another name for softwood and hardwood?

A

Softwood-coniferous
Hardwood-deciduous

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6
Q

How can you tell if something is made out of MDF?

A

There is no grain, and it is very clean

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7
Q

What are manufactured boards

A

Boards that are covered with a thin layer of real wood called veneer

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8
Q

What are the characteristics of manufactured boards

A

Often made from waste wood and so are inexpensive

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9
Q

Name 2 examples of manufacted boards

A

MDF, chipboard and plywood

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10
Q

What is conversion in timber

A

After being cut (felled), tree trunks are stripped of their bark and cut into usable planks, into timber

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11
Q

What is seasoning in timber

A

Newly cut timber has lots of moisture and so can rot and split, so moisture is removed by things like air seasoning

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12
Q

What is the fsc

A

The forest stewardship Council it’s an organisation that helps protect the sustainability of forests

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13
Q

Where do metals come from

A

The ground in ores, metals embedded in stone

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14
Q

What is ferrous

A

When a metal has iron and so is magnetic

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15
Q

What is non ferrous

A

When a metal has no iron and isn’t magnetic

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16
Q

How can you remove the stone from an ore

A

By using a furnace or electrolysis

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17
Q

What are alloys

A

A mixture of two or more metals to make a new metal with improved characteristics

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18
Q

Give 3 examples of ferrous metals

A

Cast iron,low carbon and high carbon steel

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19
Q

Give three examples of non ferrous metals

A

Zinc, copper, aluminium

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20
Q

What are polymers

A

Plastic can be produced in any colour, shape, are cheap and can be found in crude oil

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21
Q

What are thermoforming polymers?

A

Plastics that can be reheated and shaped in various ways, they can be recycled, but often weaken

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22
Q

What are thermosetting polymers?

A

Plastic that one I set cannot be reheated to shape and mould

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23
Q

What are polymer additives and what do they do?

A

Things that can be added to polymers to enhance them

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24
Q

Give two examples of polymer additives

A

Pigments, for colour and plasticisers that help them be soft and flexible

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25
Q

What are stock forms and give two examples

A

Stock forms are the shapes and sizes which polymers are available. They can be made in powder, tubes and sheets

26
Q

What are smart materials?

A

Materials that react to stimulus like boiling water and this changes their characteristics and or properties

27
Q

Give three examples of stimuli that can affect smart materials

A

Stress, temperature and UV light

28
Q

What is a piezoelectric smart material?

A

Is more material that changes due to stress and pressure and can be used for seat belts and alarms

29
Q

What are phosphorescent smart materials

A

A smart material, where light changes its properties e.g glow in the dark and watches

30
Q

What are the chronic smart materials?

A

When temperature affect the small material it changes colour at specific temperatures e.g thermometers

31
Q

What are photochromic smart materials

A

When UV light stimulates particles in a pigment and so colour changes depending on the lighting e.g sunglasses

32
Q

What is shape memory alloy?

A

Always remember the shape when they were heated, and if the shape changes it returns to its original state e.g glasses frames and braces

33
Q

What is quality assurance?

A

Procedure to manage all the functions that affect the quality of manufacturing (production)

34
Q

What is quality control?

A

Thing that checks against the manufacturing, it focuses on individual products/final products

35
Q

What is the logo for the quality control?

A

The Lion mark, a British consumer symbol

36
Q

What is the logo for quality assurance?

A

A heart with an S inside, identifying safe products

37
Q

What is a jig used for?

A

Tool that helps, you do something accurately

38
Q

What is a mould used for

A

Something that you pour into that sets and makes the final product

39
Q

What is a the former?

A

Something to form over something else

40
Q

What is tolerance?

A

Unacceptable range of differences to the standard

41
Q

Timber manufacturing, turning

A

Pieces of timber rotated and cutting tools are used to shape the material. This can be used for metal and timber.

42
Q

Timber manufacturing, laminating

A

A thin strip of wood is glued in a former, and this is often used to create curb shapes in furniture

43
Q

Timber manufacturing, steam bending

A

Timber can be bent if steamed it softens timber allowing them to be formed easily

44
Q

REMEMBER TO DRAW EACH PROCESS FOR PLASTIC MANUFACTURING REVSION

A

OR ELSE 🤬🤬🤬🤬🤬

45
Q

Explain vacuum forming

A

An electric heater warms a plastic sheet, making it flexible and is vacuumed, pushing the plastic down onto the mould

46
Q

Explain blow moulding

A

A tube of soften plastic is fed into a mould. It is filled with inflates into the mould shape and then clamps close it. This is used for bottles.

47
Q

What is kerfing

A

Making a cut to a material to make it flexible. This let you make a curved shape

48
Q

Explain injection moulding

A

Granules are fed into a hopper and goes for a feed screw. Eventually these granules are heated and turning into a liquid that goes into a mould

49
Q

Explain line bending

A

Putting a sheet of plastic onto way heated wire this bends a sheet of plastic and softens the acrylic

50
Q

Explain extrusion

A

Granules are fed into a feed group and these are heated. Then they pass out of the screw and cool in a water tank and then are pulled by pull rollers

51
Q

What is mass production?

A

Where as many products as possible are made

52
Q

What is continuous production?

A

Where a factory keeps on making products, without stopping

53
Q

What is just in time production?

A

When a factory makes the exact amount that a customer needs when your customer needs it

54
Q

Give an example of something that is formed by extrusion

A

A pipe

55
Q

How do you know if something was probably made by injection moulding

A

If there’s detail on something or something is pushed into a mould

56
Q

Given example of something that is made by line, bending

A

A bent plastic sheet

57
Q

Give me an example of something that is made by vacuum moulding

A

Lunchboxes and plastic boxes

58
Q

What is stock form?

A

The form which you bolus in like powder or granules

59
Q

What are the characteristics of the hardwood oak?

A

Physically, it’s brown and has attractive grainIt is tough durable and used for furniture

60
Q

What are the characteristics of the softwood pine?

A

Pale lightweight easy to form and used for construction

Dt 10 (1 decks)

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