1What are two different types of polymers?
• Thermoforming
• Thermosetting
2What are
Properties of
Thermoforming Polymers?

•
Soften when Heating•
Can be Reshaped•
More commonly Used in Schools•
Easy to Recycle
3What are
Properties of
Thermosetting Polymers?

•
Initially Set by Heat•
Can't be Reshaped/Reformed Once Set•
Extremely Strong & Durable•
Resistance to Heat•
Difficult to Recycle
4 Name Thermoforming Plastics and Properties Of Each?
High Impact Polystyrene
Light Strong Using in Vacuum Forming
High Density Polyethylene
Stiff & Hardwareing
Polyethylene Terephthalate
Transparent Used For Blow Moulding
Polyvinyl Chloride
Strong & Stiff
Acrylic
Brittle, Transparent or Coloured
Polypropylene
Tough & Flexible
Low Density Polyethylene
Can Come in Flexible Sheets
5 Name Thermosetting Plastics and Properties Of Each?
GRP (Glass Reinforced Plastic)
Can be Moulded into Any Shape
Xpoxy Resin
Resists Chemicals
Urea Formaldehyde
Excellent Insulator
Phenol Formaldehyde
Excellent Flame Resistance
Melamine Formaldehyde
Resistant to Heat
6What three sources do Polymers come from & Give Examples?
•
Synthetic Compounds: Crude Oil•
Naturally Occurring Compounds: Rubber Tree•
Plant Based Starches: Corn Starch
7What is the difference between Natural & Synthetic Plastics?
Natural plastics can Decompose much More Quickly.
Natural Plastics are made from a Renewable Source but Synthetic Plastics will run out
8Why is Thermosetting Polymer more difficult Recycle?
Crossed Linked-Chains, means Polymer Has Set into Shape & Can't Be Reformed Using Heat
9How are Polymers Produced?
By Polymerisation
10When does Polymerisation Occur?
When Molecules of Simpler Compounds known as Monomers, join to Other Monomers to Form Polymers.
11What Standard Stock Forms can you buy polymers in?
•
Rods•
Sheets•
Squares•
Powder•
Granules•
Foam•
Film or Rolls
12How is Crude Oil Refined?
1)
Crude Oil is Heated2)
Fractional Distillation Occurs in Crude Oil Distillation Unit. (CDU)
Separates Crude Oil into Different Compounds or Fluids These Fuels contain Large Hydrocarbon Molecules which aren't suitable for Plastics.3)
Refining Process:
Cracking Converts Large Hydrocarbon into Smaller More Useful ones for Raw Material for Plastic Production4)
Ethene and Propane Created for Manufacture of Polymer Granules
13Define Plastic Additives
Many Different Chemicals can be added to Enhance Function or Aesthetics
14What can be added to Polymers and why?
Stabilisers:
to make PLASTIC Resistant to Heat or UV Light Fragrances:
to Toys & Air-FreshnersPigments:to Change ColourPlasticisers:to Increase Flexability
15Why are Plasticisers Harmful?
Can cause Cancer because Phthalates Used to make Flexible Plastics.
16 Draw the diagram for the bit that doesn't change for injection. moulding, blow, moulding etc
17Label Diagram & what type of Machine is this? 
Injection Moulding
18Label Diagram & what type of Machine is this? 
Extrusion
19Define Injection Moulding
Molten Plastic is Injected Under Pressure into a Cavity Mould and then Cooled.
20How does Injection Moulding Work?
21Define Extrusion & the difference between Injection Moulding
Very Similar to Injection Moulding the only difference is the Die & Water Cooling Chamber.
22What plastic commercial manufacturing process would be suited for Flexible Manufacturing Systems and Why?
Injection Moulding, Extrusion or Blow Moulding because you can Change the Mould/Dies Easily
23How does Blow Moulding work?
1)
The Mould is Closed & Tightened2)
Compressed Air is Blown to Expand Plastic3)
Mould is Opened & Bottle is Trimmed 
24Which Objects go to each process?

25Define Parison
Mixture of Blow Moulding & Injection Moulding
26What is the Process of Parison?
Parison is a Product of Injection Moulding Plastic. It is then Heated & Shaped using Blow Moulding into a Bottle or other Empty Inside Item. 
27What the Method for Vacuum Forming?
1) Mould is Manufactured & Placed on Vacuum Former
2) Plastic Sheet is Placed About the Mould & Clamped
3) Electric Heater is Turned on to Warm the Sheet & Plastic Becomes Flexible
4) Air is Pumped Out of the Area Below the Plastic & Mould
28What
process is this?

Strip Heater or Line Bending Machine
29Define Wastage
Getting Rid of Material
(Range of Tools & Equipment to Remove Plastic Waste)
30What Tools and Equipment can you use to Remove Plastic Waste?
• Hot Wire Cutter
• CNC Router
• Jigsaw
• Hand Tools for Filing
• Drilling
• Jr Hacksaw
• Lazer for Cutting/ Engraving Acrylic Sheet
• Craft Knife for Cutting HIPs
31Hot Wire Cutter what is it's uses?
•
Used in Prototyping for Model Making•
used for Cutting Expanded Polystyrene or (brand name) Styrofoam
32What is a CNC Router what is it's uses?
(Computer Numerical Control)
Can Cut X, Y and Z (up & down)
33Jigsaw what is it's uses?
For Cutting Acrylic Sheets
34what are different types of Drill Bits & uses
•
Forstner Drill Bit-
to Drill Larger Holes•
Countersink 90° Angle- to Create a Seating for Screw Head•
Twist Drill-
Drilling Holes
35Hand Tools for Filing what is it's different types of Files Called & uses ?
•
Round, Half Round,
3 Square, Flat •
Used for Smoothing Edges or Removing Waste
36What is a Jr Hacksaw/Hacksaw & differences what is it's uses ?
•
Used to Cut Acrylic Rod or Straight Lines•
Hacksaw has Teeth that Point Forward.•
Jr Hacksaw has Finer Teeth
37What is a Craft Knife for Cutting HIPs what is it's uses ?
For cutting HIPs
(High Impact Polystyrene Sheet)
38what is it's uses for Lazer Cutter ?
Lazer for Cutting/ Engraving Acrylic Sheet
39What Safety Rules should we Adhere to Hand Tools?
•
Keep Tools in Working Order•
Only use Tools been Taught to use•
Don't Run with Tools•
Keep Work Area Tidy & Free from Trip Hazards•
Use Safety Mat & Ruler for Craft Knife
40What Safety Rules should we adhere for Machines
(& specific ones)?
• Never Leave Machine Unatended
• Stay Safe Distance Away from the Machine if Someone is Using it
• Only Use Machines been Taught to Use
• Hair Up & Use Goggles
• Make sure Machines have Appropriate
Guards Down (Drilling & Jigsaw)
• Clamp Work if needed (Drilling)
• For Lazer Cutter Ensure there is
Extraction for Dust & Fumes. Lid must be closed for it to work.
41What are the Two Types of Load?
Static Load & Dynamic Load
42Define
Static Load
Stationary
43Define
Dynamic Load
Moving Load
44Which
Force is
Greater,
Static Load or
Dynamic Load?

Dynamic Load
45What are all the Forces that Act On a Structure?
• Tensile Srength
• Tension
• Compression
• Torsion
• Shear
• Bending
46Define Tension
Force Applied at Both Ends
47Define Compression
Pushing Down
48Define Torsion
The Two Ends Twist in Opposite
Directions 
49Define Shear
Two Forces in Opposite Directions
50Define Bending
Shape or Force into a Curve or Angle(something straight to curve)

51Define Tensile Strength
Ability to Resit being Pulled Apart
52Define Strut
The Part has Compressive Force Acting on it
53Define Tie
The Part of the Structure that has Tensile Force Acting On It
54what is the
Strut & Tie
55What is the
type of
force being used to
cut the
fabric?

Shear
56What is the
force called on a Strut?

Compression
57What is the
force called on a
Tie?

Tension
58What Materials do you Add to Reinforce Plastic?
Glass Fibres & Carbon Fibres
59What do you add to Concrete to Make it Reinforced?
Steel
60What is Stronger? Carbon Reinforced Plastic or Glass Reinforced Plastic?
Carbon Reinforced Plastic
61Define Prototype/One-off Production
•
One Product Made at a Time•
Every Product is Different•
Labour Intensive•
May be Made from Hand or Combination of Hand & Machine•
Can be Expensive
62What are the Manufacturing Systems?
• Just-in-Time (JIT)
• Flexible Manufacturing System
• Lean Manufacturing
63Define
Just-in-Time Manufacturing
Components Arrive just when they are Needed and are Taken Straight To the Factory Floor
64Define Flexible Manufacturing System (FMS)
A Series of Different Machines Producing Different Parts for a Product
65Define Lean Manufacturing
A Systematic Approach to Minimising Waste within a Manufacturing System
66Define Batch Production
•
Small Quantity of Identical Products Made •
Jigs & Templates used to Aid Production•
May be Labour Intensive•
Machines Easily Changed to Produce a Batch of a Different Product (yellow mug instead of blue)
•
Batches in certain numbers e.g 10, 50
67Define Mass Production
•
Hundreds of Identical Products•
Often Involves the Assembly of a Number of Sub-assemblies of Individual Components•
Parts may be Bought from Other Companies•
Some Automation Of Tasks and this Enables a Smaller Number Of Workers to Output More Products
68Define Continuous Flow & the Difference between Mass Production
•
When Many Thousands of Identical Products are Made•
Difference between this & Mass Production is that production line Kept Running 24 hours a day, Seven Days a Week to Maximise Production and Eliminate Extra Costs of Starting &
Stopping production process•
Process Highly Automated and Few Workers Required
69What are the names of the Different Scales Of Production in order of Smallest to Largest?
•
Prototype/One-off Production•
Batch Production•
Mass Production•
Continuous Flow
70What production method would you use to make a Thousand gold chairs?
Batch Production
71What production method would you use to make disposable plastic cups?
Continuous Production/Mass
72What production method would you use to make a bespoke wedding dress?
one-off/ prototype
73Define Tolerance
Set with an Upper and Lower Limit + or -,
(a Certain Amount)
74What is the Purpose of Quality Control?
• Product Meets Specifications
• Product Meets Standards
• Product Safe to Use
• Guarantees Accuracy
• Prevent Mistakes or Stops Mistakes Happening with Regular Checking
75Describe the methods used in
"Quality Control" when making Prototypes?
•
Go & No Go Tool for Timber Thickness (Go Tool- meant to work, No Go- isn't meant to work)
•
Registration Marks in Printing- to show the Colours are the Right colours•
Visually- how fabric matching is done•
Soak Timers for PCB's to check exposer to UV Light (anything with circuit board)
•
Depth Stops for Drills- put turn on drill bit so it only drills like 10 mm down
76Define Kerf Allowence
Is the Amount of Material Removed During Cutting Process
77Define Production Aids
Help Speed Up a Process
78Give some examples of Production Aids
•
Jigs•
Patterns•
Templates•
Reference Points or Datum
79Define Patterns
Replicas of Products that it is Meant to be Made
80Define Templates
Used if you need to mark out Same Points, or Shape Onto the Material A Number Of Times
81Define Jig
Device for Holding Work in Places which Helps when carrying out Repetitive Manufacturing Methods.
82Define Reference Points or Datum
A Reference Point to Help Measure Accurately.
83What are the
Ecological Concerns on
Our Planet when
Producing Products &
Give Examples?

Sourcing Materials
• Soil Erosion
• Changes to the Landscape
• Loss of Habitat
• Raw Materials are Used Up
Manufacturing Processes
• Pollution from Manufacture Processes
• Landfill from Waste Materials
Transport Products
• Pollution from C02 Gasses
• Air Miles
84Define Life Cycle Assessment
Is a Way For Companies to Assess Environmental Impact on a Product During Different Stages of the Produces Life
85What are the Steps for Life Cycle Assessment (LCA)?
1)
Resources to Make Product2)
Manufacturing3)
Distribution/Transport4)
Use5)
End of Life Disposal
86What is a Life Cycle Assessment Questions you need to ask yourself? (LCA)?
Resources to Make Product-
Are they..?
•
Renewable?
•
Recycled?
•
Sustainable Sourced?Manufacturing•
Is Making Process Environmentally Friendly?
•
How is Waste Recycled & Reused?
•
Is the Energy Used to Manufacture Sustainable?
•
Have they used Minimal Material in Manufacture?Distribution/Transport•
Can it be Sold More Locally?•
Is the Transportation Running on Biofuel or Electrical Energy?
•
Is Packaging made of Recycled Materials?
•
Is there Minimal Packaging?Use•
Design Energy Efficient?
•
Could it use Less Power?•
Could it use Recycled Batteries?•
Can product be Re-Used?End of Life Disposal•
Can Parts be Used to Make
Another Product?
•
Are the Materials Easy To Recycle?
•
Can the Product Be Taken Apart Easily to Be Recycled?•
Are Materials Used Recyclable?
87Define Carbon Footprint
The Amount of CO2 Emissions that is Directly Attributes to an Individual Or Company.
88What can Companies Do to Reduce Their Carbon Footprint?
• Source For Eco-friendly Materials.
• Use Bio-Fuel Powered Transportation.
• Use Renewable Energy.
• Design Product can Easily be Recycled at End Of Life.
• Work From Home to Reduce C02 Gasses.
• Design using Lean Manufacturing Methods
89Define Carbon Offsetting
Investing Money On Eco-friendly Companies
90How to Reduce Ecological Issues Relating to Polymers?
• Use Biodegradable Plastics wherever possible.
• Recycle Polymer Waste During Manufacture
• Use Recycled Plastics as Raw Materials
91What are the 6 R's
6

92What are the 6 R's Definitions?
93What is the Difference between a Finite & Infinite Resource?
A Finite source such as Crude Oil Will Run Out, however we can Always Grow More Trees to have timber.
94Why are Bonded Materials Bad for the Environment?
It is More Difficult to Separate the Materials for Recycling