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1
Q

What’s the 2 main categories of wood?

A

Softwood, Hardwood

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2
Q

What’s properties of wood?

A

Durability, Stable, Toughness

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3
Q

What’s advantages of wood?

A

Can be recycled, Sustainable Material, Uniquely aesthetic

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4
Q

Whats disadvantages of wood?

A

Unwanted characteristics ie bowing, crooking, warping etc

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5
Q

Where do hardwood come from and examples of them are?

A

Deciduous trees

Remember BOAM

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6
Q

Where do softwoods come from and examples of them are?

A

Coniferous trees

Pine, Spruce, Cedar, Douglas Fir

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7
Q

What’s manufactured board made from?

A

Pulp, blocks, chips or strips

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8
Q

What’s good about Manufactured board?

A

Mostly inexpensive, bought in large sheets, have a flat surface ideal for smooth finish

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9
Q

What is plastic?

A

A synthetic material

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10
Q

What’s the properties of plastic?

A

Brittle, Flexible, Strength

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11
Q

What’s advantages of plastics?

A

Recyclability, Corrosion resistant, Easy to shape/mould

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12
Q

Whats disadvantages of Plastics?

A

Dust can be dangerous to inhale
Surfaces of certain plastics can scratch easily

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13
Q

What’s the 2 categories of plastic?

A

Thermoplastic, Thermosetting plastics

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14
Q

Describe thermoplastics?

A

They soften when heated and can be shaped and then harden as they cool, That process can be repeated over and over again as thermoplastics have plastic memory

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15
Q

Describe Thermosetting plastics?

A

When thermosetting plastics harden they cannot be reheated and reshaped
Usually used for products that need to withstand high temperatures

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16
Q

What’s the properties of metals?

A

Brittle, Durable, strength

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17
Q

Advantages of metals?

A

They can take a range of finishes from painting, oiling and polishing to plastic dip coating & electroplating

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18
Q

What’s disadvantages of metals?

A

Ferrous metals are prone to rusting
A finish will require maintenance
Metals are a finite resource

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19
Q

Describe ferrous metals?

A

Refers to any metal that contains iron
They rust over time with continued exposure to moisture and oxygen
They are magnetoc due to iron compound

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20
Q

Describe Non ferrous metals?

A

Contains no iron
Referred as pure metals
Not magnetic
Corrosion resistant
Can tarnish

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21
Q

What’s metal alloys?

A

When 2 or more metals are combined to create a new material
Ferrous alloys are produced to make iron more practical material
This can be done to make metals more asthetically pleasing

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22
Q

What’s an open brief?

A

When the designer has more creative control over the product

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23
Q

What’s a closed brief?

A

When the design has fine margins dosen’t have a lot of creative control

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24
Q

What’s a specification?

A

What the product your design must contains/ be able to do

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25
What’s the primary function?
What the product has been designed mostly to do
26
What’s the secondary function?
What else a product can do
27
What’s Asthetics?
The study of beauty Aesthetically pleasing products appeal to all of our senses
28
What’s the 3 categories of ergonomics?
Anthropometrics, Phsiology, Psychology
29
What’s ergonomics?
Study of how humans interact with everyday products
30
What’s Anthropometrics?
Practice of taking measurements of the human body and provided categorised data that the designer can use
31
What’s the percentile graph called?
The bell curve
32
What’s psychology?
The study of human mind and behaviour
33
What’s phsiology?
The area of ergonomics that deal with the physical capabilities, strength and limitations of the human body
34
What’s a user trip?
A research activity a designer can do on an existing product
35
What’s good about a questionnaire?
Fast efficient, can be given to large groups, can ask very specific questions, result can be put into graphs/charts
36
What’s idea generation techniques?
Brainstorming, Morphological analysis & mood boards
37
What’s sketch modelling?
Simple physical models that are easy to make Made from low cost materials
38
What’s block modelling?
Commonly used to communicate and develop the form, dimensions and surface details of the product
39
What’s benefits of 3D computer modelling?
Reduced tooling costs/speeds up development stage. Appropriate colours, materials, light sources can be added to make the product look realistic Computer models can be seen in 360* view
40
What’s technology push?
Describes how a product comes to the market based on new technologies, materials, manufacturing methods
41
What’s market pull?
Describes consumer demand for a product Companies produce more products based on needs/wants of the consumer
42
What’s the process of injection moulding?
Plastics are heated until molten A screw passes plastic through a heater to soften the plastic Plastics then injected into mould Remove the mould
43
What’s rotational moulding?
Used to produce large hollow plastic products
44
What’s the process of rotational moulding?
Plastic powder is weighted and placed into the mould 2 halved of mould are then joined together and sealed
45
Describe vaccum forming?
Mould placed in bottom of vaccum former Sheet of plastic is placed above mould Mould is brung up and use vaccum switch to remove air and create mould Remove the vac to introduce air then drop the bed back down
46
What’s die casting?
Process that allows manufacture to form metal into complex designs with high degree of accuracy
47
What’s identifying features of die casting?
Intricate detail Sprue marks Ejector pin marks
48
What’s identifying features of sand casting?
Fettle marks, rough surface, tapered/filleted edges, marks where runner and riser have been
49
What products are made from sand casting?
Parasol bases, anchors, pipe fittings, machine/engine parts
50
What materials are used in sand casting?
Zinc aluminium bronze brass as they have low mp
51
What materials are used in die casting
Zinc aluminium magnesium brass as they are metals/alloys with low melting points
52
Describe standard components?
Known as knock down fittings Used in flat-pack furniture Make the manufacture of a product easier Make it easy to get replacement parts
53
What’s impact on society?
Impact of design & manufacture technologies
54
What can changes to the workforce lead to?
Loss of specialist craft skills Unstable jobs Increased unemployment Closure of factories Decline of industrial towns
55
Why has there been a rise in consumerism?
Due to increased global population & the introduction and availability of affordable products
56
Explain designer/manufacturers responsibilities?
They have a responsibility towards the environment especially for mass manufactured products
57
What recommendations should designers make?
Using alternative materials can be recycled Reducing volume of material Reducing the number of parts/ components
58
What are examples of non-ferrous metals?
Aluminium, copper, tin, titanium, zinc
59
What are example of ferrous metals?
Iron, mild steel, stainless steel
60
What are examples of thermoplastics?
Polypropylene, Polystyrene, Acrylic, Nylon
61
What are examples of thermosetting plastics?
Epoxy Resin, Fibreglass, Melamine Formaldehyde
62
How do you prep a blank on wood turning lathe?
Mark diagonals w steel rule Cut one end w tenon saw hole punch the other Mark corners w marking gauge Plane the corners till octagon shape
63
What do you use to make pilot holes in wood?
Hand Drill
64
Why might wax be used instead of varnish when applying to wood?
Applied quicker using a cloth Gives an alternative aesthetic quality
65
Why might a former be used to make bowls from acrylic?
To make sure the bowls are identical Quicker when making more than one
66
Why mite a specification be used during development?
To give guidance during design process Used as an ongoing evaluation tool
67
Why might you use computer generated graphics during development?
Suitable to show client Dosen’t use materials like physical ones Alterations can be made quickly

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