6.6.3 Techniques for quantity production

Question 1

Identify 5 marking out methods

:)

Answer 1

reference points
datum point
tools: tailor’s chalk, washable pens, tracing wheels
:) quick and easy to do

Question 2

What are templates (2)
+ example

Answer 2

pre-cut plastic/cardboard shapes used to trace on fabric
- produced by hand/commercially
e.g patchwork shape templates

Question 3

Templates
:)
:(

Answer 3

:) improves accuracy when cutting multiple shapes
:( takes time to produce/source templates

Question 4

What are patterns?

Answer 4

paper templates with markings (show: marking, component placement, grain direction, seam allowance)

Question 5

Patterns
:)
:(

Answer 5

:) - tested commercial patterns will be accurate
:( - commercial patterns don’t cover all sizes

Question 6

What is a sub- assembly line?
:)
:(

Answer 6

• production cell away from main line, produces parts of products
  :) speeds up production
  :( production may stop if sub assembly stops

Question 7

What is computer aided manufacturing? (CAM)

Answer 7

• programmable machine attached to a computer, e.g digital printer

Question 8

CAM
:)
:(

Answer 8

:) accurate, can operate 24/7, easy to make changes
:( equipment expensive, training needed to learn software, jobs taken over by machines

Question 9

What is quality control?
:)
:(

Answer 9

• quality checks during manufacture
  :) high quality
  :( extra time, waste - if product doesn’t pass check (same for tolerance)

Question 10

Describe an efficient way to minimise waste
:)
:(

Answer 10

Diagram showing layout of pattern pieces to minimise waste included in commercial patterns
:) saves money
:( takes time + consideration