3.2.8 deforming and reforming

Question 1

cutting by shearing

Answer 1

1) iron fabric
2) pin template/ pattern
3) sharp fabric scissors used
4) cut as close to template as fossible
5) use of crop marks

Question 2

Laser cutting

Answer 2

A data file must be created
Different colours in CAD assigned to different tasks eg. Red for cutting
Speed of laser and PPI determine tolerances
Extractor on and lid shut when in use

Question 3

what is sand casting?

Answer 3

1) pattern is placed in a box
2) the box is filled with moulding sand
3) the box is opened and the pattern is removed
4) molten material poured into the cavity and left to cool

Question 4

why cast metals?

Answer 4

a smooth finish will accept a good paint finish
one-body components can be reproduced

Question 5

what is die casting?

Answer 5

forcing a molten material under high pressure into a mould cavity with a plunger