Un peu de section 2

Question 1

Die casting - why?

Answer 1

Huge number of complex parts, brilliant finish but erm.. I’d need a factory… low tolerance (very accurate)

Question 2

Draft angles 2 (inc. 1 property of vacuum forming)

Answer 2

Tapered sides/draft angles to get out of mould
Vacuum forming has low accuracy

Question 3

Ease of maintenance

Answer 3

• running costs (batteries etc)
• cleaning access
• replacing parts cost/availability
• repairing general public / expert

Question 4

Safety symbols found on products

Answer 4

CE BSI
Rigorous testing, meeting safety standards before sold to public

Question 5

Sand casting 3

Answer 5

To make a small no. Of tough metal parts requiring a lot of finishing
Rounded corners & draft angles

Question 6

Why use CAD (3)

Answer 6

• can test for aesthetics when fully rendered
• Can be easily sent to the client
• alterations can be made quickly
• can see how parts fit together

Question 7

Why sketch models:

Answer 7

• quickly check for sizes & proportions before further development
• allows the user to interact and give feedback
• refer to example in the question eg blender

Question 8

Technology push

Answer 8

give a relevant example as well as the definition

Question 9

3d printer drawback

Answer 9

Slow

Question 10

Automated turning

Answer 10

Computer Numerical Control
Batches of cylindrical objects
Highly accurate & smooth finish

Question 11

Knockdown fittings

Answer 11

Reduces manu costs
Allows flatpacking
Easy for consumer to assemble
Not as strong

Question 12

Fillets

Answer 12

Fillets (rounded corners) to prevent tearing as it moulds