GRAPHIC END OF YEAR REVISION
- Created by: zurliana
- Created on: 08-01-13 12:28
Materials and components - (Cartridge Paper) - Pap
Weight: 120-150 gsm
Description: Creamy white paper with a smooth suface and a slight texture
Uses: Good general purpose drawing paper
Heavier weights can be used with paints
Properties: Opaque
Accept most drawing media
Cost: More expensive than copier paper
Materials and components - Tracing Paper - Paper
Weight: 60/90 gsm
Description:Thin
Transparent paper
Pale grey smooth surface
Uses: Heavier weight prefered by draughtspeople
Properties: Allows tracing throguh onto another sheet in order to develop design ideas
Cost: Heavier weight can be quite expensive
Materials and components - Folding Boxboard - Boar
( chemical pulp)
(mechanical pulp) - pulp my manufactured grind stones, products that require less strength
( chemical pulp) - pulp with added chemicals to wood chips
Properties: good for scoring, bending and creasing without splitting
Uses: Food packaging
general cartons application
Cost: relatively inexpensive
Materials and components - Corrugated Board - Boar
(Paper Liner)
(Flute Paper) - Paper bent in a wave pattern
(Paper Liner) - Flat board that sticks to medium
Properties: Impact resistance
Excellent strength for weight
Recyclable
Uses: Packaging for fragile goods
Box makign material
Cost: Relatively inexpensive
Materials and components - Solid White Board - Boa
Made from pure belached wood pulp
Properties: Strong
Rigid
Uses: Packaging for frozen food
Ice cream
Cosmetics
Cost: Expensive
Materials and components - Foil Lined board - Boar
Laminated Foil Coating ( can be used for SWD,CB,FB)
Properties: Strong visual impact
Foil provides exceelent varrier again moisture
Uses: Cosmetics cartons
Prepaked foods
Cost: Expensive
Materials and components - Polyethylene - Packagin
Provides protection against outside moisture
Helps internal layer bond with aluminium foil
Helps the paperboard bond with the aluminium fol
Does not react with the liquid and keeps its fresh
Uses: Plastic bags
Materials and components - Aluminium Foil - Packag
Provides barrier against harmful effect of air and light
Uses: Households
Keep food fresh
Materials and components - Paper Board - Packaging
Properties: Provides stiffness and shape
Excellent print surface for total graphic coverage
Light Weight and strong
Thick paper based material
Metals - (Steel)
Ferrous material - consist iron
Used: Drinks, aerosolc paint, adhesives
Properties: Cant be tampeered
Variety of sizes and shapes
Emobosesed to provide surface detail
Directly prtined onto or a label is added.
Metals - (Aluminium)
Non-Ferrous: Does not contain iron
Properties: Paper thin walls ( save material and energy)
Internal laqquered coating does not react with content
Withstand high internal pressure
Lightweight
Printed directly on the outside
Cost: Inexpensive
Uses: Drinks, aerosolsm health and beauty products.
Metals - (Tin)
Non-Ferrous: Does not contain Iron
Properties: Holds diverse contents
Dispersion and recycling is easier
Excellent barrier again water ocygen and light
Different shapes and sizes
Protective packaging
Made from tin plate (tin coated steel) - prevent corrosion
Cost: Inexpensive
uses: commercial packaging
Polymers- (Acrylic)
Uses: Prototype, modelm interior architecture
Properties: Easily thermoformed. Range of colours
Excellent surface finish, recyclable
Tough and durable , Lightweight
Withstand extreme weather conditions
Chemical resistant
Durable by resisting long term stresses
Easy to fabricate
Cost: Low cost
Polymers - (PET polyethylene terephthalate)
Properties: Excellent barrier again atmospheric gases
Does not flavour contents
Very tough
"crystal clear" appearence
Lightweight- low density
Uses: Carbonated fizzy drinks
Highly flavoured food
Microwaveable food trays
Polymers - ( PVC polyvinyl chloride)
Properties: weather resistant
Chemical resistant
Protects product from moisture and gases
Strong good abrasive resistance and tough
Can be rigid or flexible
Uses: Packaging for toiletried
Pharmeceutical products
Food, water and fruit juice
Polymers - (PP Polypropylene)
Properties: Lightweight
Rigid
Chemical resistance
Versatile
Low moisture absorbtion
Good impact resistance
Uses: Food packging
Laminating paper and board
Polymers - (Polystyrene Rigid/Expanded)
Rigid
Properties: Good impact resistance
Rigid and lightweight
Low water absorbition
Uses: Food packaging CD jewl cases
Expanded
Properties: good impact resistance
good heat insulation
durable and lightweight
low water absorbtion
Uses: egg carton, packaging for electrical and fragile products
Polymers - (Styrofoam)
Properties: Easy to cut and shape
Sanded to have a smooth surface
Painted by acrlic paint
Lightweigth and durable
Uses: Models
Glass
Made from silica sand, soda ash or limestones
Properties: Looks expensive
100 percent recyclable and does not rust
Melt under high temperatures
Fragile
Cost: Expensive
Uses: Can be used for food storage
Woods - (Jelutong)
Hardwood
A creamy white striaght grained wood with fine even texture
Uses: Model and pattern making
Excellent to carve and sculpt due to stiffness
Adv: Works easily with hand and tools
Glues screws and nails well
Stains, paints and varnishes well
Disadv: Quite brittle and weak
Low resistance to decay
Cant be easily steam bent
Woods - (Balsa)
Hardwood
Pale beige to pinkish colour with a straight grain and spongy
Uses: Softest and lightest commercial wood
Used for buoyancy aids and model making
Adv: Soft and light
Quite strong for its weight and stable in use
Easiest wood to cut shape and sand
Extremely buoyant
Disadv: Low in strength stifness and shock resistance
Not suitable for steam bending
Woods - (Pine)
Softwood
Honey colour, creamy white, pale yellow or a light brown straight grained wood with artistic knots
Uses: Furnitures, shelving wood carving
Adv: Easily carved
Accepts paint easily and grows quickly
Disadv: Warp in humid conditions
Dents and scratches easily
Composites - (Carbon Fibre)
Uses: Sport equipments and vehicle components e.g. fishing rods, tennis raquets
Adv: Excellent strength to weight ratio
Can be formed into complex aerodynamic one piece structures
Disadv: Expensive
Only available in balack but surface finishes can be coloured
Cant be easily repaired
Cant be easily recycled
Composites - (MDF Medium Density Fibreboard)
Uses: Furniture, joinery work, moulds
Adv: less expensive than natural timbers
Available in large sheet sized and thickness
Has no grains therefore no tendency to split
Consistent strentgh in all direction
Disadv: Swells and breaks when waterlogged
Warps or expands if not sealed
Contain urea-formaldehyde which may cause eye and lung irritation when cutting or sanding
Modern and Smart materials - (Polymorph)
Uses: Plastics, Moulding
Melts at low temperature and is cheap
Thermosplastic
Hard ---> (heat) Soft ---> (cool) hard ---> (repeat)
Modern and Smart materials - (Thermochromic Liquid
Properties: Ability to change colous due to change in temp
Uses: thermometers and mood rings
Modern and Smart materials - (LCD Liquid Crystal D
Flat electronic display panel which relies on sunlight or roomlight to generate images
Adv: Use very small minimum voltage therefore last a long time
Small Carbon footprint
Disadv: Expensive
Uses: Computer Monitors, Clocks, Tv, Phones
Modern and Smart materials - (EPD Electronic Pape
Mimics the appearence of ordinary ink on paper
Adv: Overcomes some limitations of computer monitors e.g. hard on the eye
Properties: Lightweight, durable and highly flexible
Modern and Smart materials - ( transdermal prescri
Dose of medication through skin into bloodstream
(Permeable adhesive layer)
(Non permeable back layer)
(Drug reservoir)
(Non permeable back layer)
(Permeable adhesive layer)
Controls realease of prescription drug
skin is an effective barries, some medicines must combines with substances e.g. alcohol to increase ability to penetrate skin.
Industrial and Commercial Processes - (One off)
Uses: Prototypes, architectural modesls
Adv: Made to exact personal specifications
High qquality materials used
Highly skilled craftperson
Disadv: Expensive
Labour Intensive
Industrial and Commercial Processes - (Batch)
Uses: magazines and newspapers
Adv: Good economies of scale
lower unit cost
Identical batches produced
Disadv: If poor production planning this leads to storage (expensive)
Industrial and Commercial Processes - (Mass)
Uses: Electronic products e.g. phones and game consoles
Graphics product such as clothes labels, tickets and packaging
Adv: Specialisaiton fo workforce
Excellent economies of scale
Low unit cost and low labour cost
Disadv: Low skilled workforce
Ethical concerns ( sweat shops)
High initial set up cost due to machinery
Inflexible- cant respond quickly to market trends
Modelling and Prototyping - ( Block modelling of M
MDF ( Medium Density Fibreboard)
Properties: Can be cut and shaped easily using range of hand tools (no grain)
Excellent surface finish when sanded smooth
Can be spray painted to achieve high quality
Styrofoam
Properties: Can be cut and shaped easily using range of hand tools
Its is relatively quick
Excellent surface finish when sanded smooth
Can be spray painted to achieve high quality
Modelling and Prototyping - (Rapid prototyping usi
stereolithogrpahy (SLA)
Uses laser technology to create 3D objects
3D
Can quickly produce 3D proudct in minutes
Rapid prototyping technology
Forming techniques - (Blow Moulding)
Uses: Plastic Bottles and containers
Adv: Intricate shaped
Ideal for mass prdocution
Produce large quanitity of identical items
Used to make lightweight/ hallow parts from thermoplastics (reduce materials)
Disadv: High initial set up cost
Forming techniques - (Injection Moulding)
Uses: casing for electronic products, containers for storage
Adv: Ideal for mass production
Precision moulding (high quality or texture can be added)
Disadv: High initial set up cost
Forming Techniques - (Vacuum Forming)
Uses: Chocolate box tray, blister packs
Adv: Ideal for batch production - inexpensive
Easy to make moulds
Disadv: Mould needs to be accurate to prevent webbing
Large amount of waste material produced
Forming techniques - (Line bending)
Uses: Brochure, menu, business cards
Adv: Ideal for One off and batch
Straight bends are produced efficiently
Precise temp gives a neat precise bend
Set up costs are low
Disadv: Must be accurately marked before bent, can bubble if overheated
Must be cooled in exact position or its springs back slightly
Joining Techniques - (Eposy resin)
Uses: Most material including expanded polystyrene (EPS)
Adv: High performance adhesives- strong bonds
Chemical reactions harden immediately
Versatile
Heat and chemical resistance
Disadv: Expensive
Reaches full strength after a few days
Often requires manual mixing of resin and hardner - messy
Joining Techniques - (Polystrene Cement)
Uses: (PS) and (HIPS) should not be used in (EPS) since it dissolves
ADV: Strong bond
Able to use a brush to apply
Disadv: Relatively expensive, contains harmful volatile organic compounds
Joining Techniques - (Tensol cement)
Uses: Acrylic
Adv: Produces high strength bonds to acryic sheet
Clear adhesives
Disadv: Needs to be clamped harmful VOC's
Joining Techniques - ( Polyvinyl acetate ( PVA))
Uses: Woods and porous ( holes or spaces for liquid or air to pass) materials e.g. styrofoam
Adv: Strong joint
Dries clear
Relatievly inexpensive
Disadv: Must be clamped
Not waterproof (most)
Printing Processes - (Photocopying)
Uses: General application e.g. busines documents
ADV: Widely available
Good colour reproduction and can print double sided
Low cost per copy for small batches and high printing speed
Disadv: Poor production quality when toner is low
Images fade over time
Printing Processes - ( Offset lithography)
Uses: Business stationery, brochures, posters
Adv: Good reproduction quality and inexpensive printing process
Can print on a wide range of papers with high printing speed and is widley available
Disadv: Colour variation due to water and ink misture
Paper can stretch due to dampning flat material only require a good quality surface
Printing Processes - (Flexography)
Uses: Packaging, paperback and newspapers
Adv: Fast drying inks and relatively inexpensive to set up
Disadv: Hard to produce fine detail, colour may not be consistent
Printing Processes - (Gravure)
Uses: Photographics books, postage stamps, expensive magazines
Adv: Consistent colou high speed printing process and widest printing presses
Ink dried on evaporation
Good results on lower quality paper
Disadv: High cost of engraved printing, very expensive set up cost
Printing Processes - (Screen Printing)
Uses: Tshirts, posters, plastic and metal signage, pos displays
Adv: Stencils are easy to produce - photo emulsion technique
Versatile- can print on any surface
Can produce large volumes
Disadv: Difficult to achieve fine detail
Requires long drying times
Finishing techniques - (Laminating)
Uses: Documents, posters, buiness card
Properties: Good gloss and strength, low in cost
Polypropylee (PP) fed through heatinf wedge under high pressure. Glue is heated before applied to film therefore applicaiton is faster
non adhesive ---> adhesive by heat are easier to handle
glue solid and room temp therfore less likely to shift or warp afetr being applied
Finishing techniques - (varnishing)
Uses: Magazines, brochures leaflets
Adv: High gloss finish and protects the printing underneath
Disadv: Takes time to dry therfore schedules muat be delayed
Ultraviolet light instantaneously dries the varnish
Finishing techniques - (Hot foil Blocking)
Uses: Posters, pos displays
Adv: Visually appealing and enhances and add value to conventionally printed materials
Disadv: Costly
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