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   ALMOST everything you need to know about:
PLASTICS
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METAL
PAPER AND BOARD

 
   Unit 2: Knowledge and Understanding of Product Design

 

2.1 Materials and components
Sources, classification, formation and structure of
materials and components
Paper, card and boards
• Sources, classification and structure of paper, card and
boards
— copier paper
— card
— corrugated board
— common carton boards.
P17 — 18, 66 — 68

Woods
• Sources, classification and structure of woods
— softwoods
— hardwoods.
• Cellular structure, fibres and grain direction.
P19 — 20, 68 — 72

Polymers
• Sources, classification, structure and manufacture of
thermoplastics
— acrylic
— PET
— HDPE
— PVC
— LDPE
— PP
— PS
— thermosetting plastics
— polyester resins.
• Monomers, polymerisation and cross-linking.
P18 — 19, 72 — 74

 Metals and alloys
Sources, classification, structure and production of ferrous metals
— steel
•Sources, classification, structure and production of non-ferrous metals
— copper
— aluminium
— zinc
— tin
— brass
• Specialist alloys for specific tasks
— steel
— aluminium alloys.
P20 — 21, 74 — 76

Composites and laminates
• Manufacture of composite materials
— carbon fibre
— glass reinforced plastics (GRP)
— medium density fibreboard (MDF)
— laminates
— plywood.
P76 — 78


Components
• Pencils
— graphite
— coloured.
• Pens and marker pens
— water
— spirit based.
P78 — 79

2.2 Working properties of materials
Working properties of materials and components, relating to the composition and structure of materials
• Aesthetic properties, for example colour, style, texture.
• Functional properties, for example strength, durability, flammability.
• Mechanical properties, for example plasticity, ductility, hardness and malleability.
P80 — 81

2.3 Hand and commercial processes
Hand and commercial methods of preparing, processing, manipulating and combining materials and components to enhance their properties including associated tools, machinery and equipment including CAD/CAM in relation to:
• drawing — pictorial, information and accurate working drawings
P81 — 83

• computer graphics
— desktop publishing (DTP)
— 2-dimensional design to create and modify designs and layouts
— 3-dimensional modelling for creating photo realistic images and ‘virtual’ products
P84 — 85

• typography
— theory and practice including typeface design and application
P85 — 87

• 2D/3D modelling and prototyping
— rapid prototyping using CAD/CAM
— block modelling
P87 — 88

• CNC machining
— milling machine
— lathe
P163 — 166

• production of nets
— constructing nets
— structural packaging design
— commercial production of packaging nets
— cutting, wasting, abrading, shaping, bending, casting, moulding
P30, 89 — 92

• thermoforming
— blow moulding
— injection moulding
— vacuum forming
P28 — 30,
92 — 93


•joining, preparation for finishing. P31, 93 — 95

Finishing processes
Applied finishes to improve quality and provide enhanced aesthetic or functional properties:
• surface coating
— anodising
— painting
— varnishing
• self-finishing
— plastics
• surface decoration
— CNC engraving
— vinyl cutting.
P95 — 97

Printing processes
Understanding how one-off/batch/high-volume (mass) product manufacture is achieved using printing processes:
• computer printers
— ink jet
— laser
• black and white printing and full colour printing
• computers in pre-press and quality control
• offset lithography, screen-printing, letterpress
• finishing and binding ready for distribution.
P97 — 102

2.4 Product manufacture
Scale of production
How and why products are manufactured using:
• one-off production
• batch production, including short-term print runs
• high volume (mass) production
• continuous production.
P23 — 24

Systems and control
• Computer integrated manufacture (CIM)
— information handling
— stock control and just in time(JIT)
— planning
— quick response manufacturing
— CAD/CAM.
P24

Quality control in production
• Using quality assurance (QA), quality control (QC) and total quality management (TQM) systems.
• Quality control during final print run
— colour density on colour bars
— registration marks
— crop marks
— greyscale.
• Meeting specifications and tolerances.
P32 — 34, 104

Quality standards
• Meeting aesthetic, performance and price requirements.
• Testing against external quality standards such as British, European and international standards.
• Standard performance tests
— tensile strength
— hardness
— toughness and ductility workshop tests.
P14 — 15, 34, 102 — 103, 105

Health and safety procedures in production
• Principles of health and safety legislation
— The Health and Safety at Work Act (1974).
• Principles of health and safety at work
— Health and Safety Executive (HSE) risk assessments.
P15, 35 — 36

2.5 Design in practice

The effects of design and technological changes on society
• Mass production and the consumer society.
• The ‘new’ industrial age of high-technology production.
• The global market place.
• Issues related to local/global production.
P108 — 112

Influences on the development of products
• Aesthetics, balance, colour, decoration, design, form, function, line, scale, shape, styling, surface pattern, texture.
• Design and culture, for example Arts and Crafts, Art Nouveau, Art Deco, Bauhaus, Memphis and modern design movements.
• New materials, processes and technology
— computers and design
— eco-design
— environmentally-friendly processes
— miniaturisation
— modern production techniques
— ‘smart’ materials.
P112 — 120
   The basic principles and application of anthropometrics and ergonomics
• Interacting with products, users, equipment and environments.
• Applying anthropometric data.
• Ergonomic considerations for designs and models
— standard sizes and dimensions.
P130 — 132