other Flashcards
weaving as a commercial process
Large, automated industical looms are controlled by CAD software that allows colour sheme and weave patterns.
where does commecrial dyeing takes place
in large vats before being heated and dried
when is - stock or yarn dyed ?
dyes the fibres before they become fabric
when is - piece dyed ?
dyes the piece of fabric
when is - garment dyed ?
dyes clothing once it is made
describe screen painting
a screen with the stencil of the pattern has dye wiped over it too produce an accurate, repeatable print.It separate screen for each colour.
decribe roller printing:
roller printing can be used for long stripped patterns.A roller for each colour has a pattern embossed on it.As the fabric passes under a rolled the colour is added on.
describe sublimation printing:
sublimation ink is printed onto coated paper.Once heated the is transferred onto the fabric.
descibe digital printing:
digital printing allows fabric to be printed on directly from an inkjet head.It is expensive but offeres a wide range of colours.
what is tolerance
in textiles is the amount of acceptance variation from the specified measurments from which you can cut out pattern.
what is seam allowance
amount of material between the edge of the fabric and the seam, and it is tested to check it meets the specification
name 4 examples of quality control
seams are sewn straight
compononets are sewn straitgh and strong
fabric has no faults or misprints
sticthing is straight/ neat
advantages of screen printing
cheap to make
low ecoomical print
small and large patterns
range of colours
very accurate
disandvantages of screen printing
only one colour at a time
different screen for each print
size determined by size frame
repeat not accurate
name 4 decorative finishes:
quilting, applique, embroidery, piping
stain resistant:
used on:
stain resistant chmicals are applied to the fabric , dirt does not cling
used on school, soft furnishing , outdoors
flame retard:
used on:
chemicals are applied to yarn or fabric to make it less likely to catch fire.
children’s nightwear, some workwear,
water resistance:
silicone is sprayed onto the fabric surface.Droplets of water stay on surface.It is not waterproff!!
Grease resistance:
used on:
a chemical is applied that prevent crease when the fabric is worn used.
formal skirt, suit , school wear
what are laminations are made up off
why is it used
layers of different material stacked up on each other.
strenghet, protection, insulation
name 6 Rs
re use
refuse
re think
repair
re cycle
reduce
name 5 methods of fininshing a raw edge:
bias binding
zig zag sticth
over- locker seam
french seam
pinking shears
what are benefits of finishing a raw edge
it will look professional, not fray
describe darts
used to shape a garment on the bust, waist or back by sewing parallel lines
