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21 Cards in this Set

  • Front
  • Back
woven fabrics
made by interlacing two sets of yarns at right angles to each other
warp yarns or ends
the length wise yarns
filling yarns or picks
the width wise yarns
off grain or bias
a direction not parallel to on grain yarns
woven fabric is produced on this object
wooden device with a bobbin placed inside with filling yarn wound around it
shuttless looms
today most looms used for productivity are these. yarns come from cones placed at the sid of the loom. Once the filling yarn...
projectile looms
uses a small projectile to insert the fillibg yarns
ex> denim, sheeting
rapier loom
uses a rapier rod or steel tape to pull the filling yarn across the loom or a double rapier where te filling yarn is transfered at the midway point from one rapier to the other.
ex> wool, silk
jet looms
take the filling yarn across the loom by using high speed jet of either air or water.
air-jet looms
initial propulsion force is provided by a main nozzle. Rela nozzles along the shed help carry the yarns across the loom
water-jet looms
there is only a main nozzle to provide the propulsion of the filling yarn
Multiphase looms
this system is not as versitile as other looms, but it can prodce fabric at a rate of 2,800 ppm with a wef insertion rate of 5,500 meters/minute (6,015 yards/minute)
illing yarms are inserted at a constant rate of...
650 ppm
warp yarns moved at the rate of 5 inches per minute and the speed of the loom is 650 ppm, the pics per inch of the resulting fabric would be?
130 ppi (650/5)
face side of fabric
better appearanace and usually forms the outside of the garment
back side
inside of garment
yards per inch
a fabric is given two numbers with an x between them.
EX>80x74 "eighty by seventy four" means 80 yarns per inch in the warp and 74 yarns per inch in the filling
weave float
when once yarn does not interlace with the next adjacent yarn, but passes over two or more adjacent yarns
3 basic fabric weaves
plain weave,twill weave, and satin weave
plain weave
the simplest and most used weave
EX> sheer to heavy