Textile Engineering · Weaving Technology
Which of the following statements provides the precise operational mechanism of projectile insertion during the picking phase of woven fabric manufacturing?
- 1The crosswise filling operation is executed by a thin, hairpin-like needle supported by heddles that crosses paired warp threads over one another prior to the weft insertion.
- 2The crosswise yarn insertion is facilitated by a reciprocating set of firmly spaced wires that mechanically push the pick into the fell of the cloth to establish a uniform sequence.
- 3The insertion relies on a single, reciprocating carrier containing a bobbin of weft yarn, which continuously releases its thread as it traverses back and forth across the loom.
- 4The picking action is accomplished by a series of small, bullet-like projectiles that grip the filling yarn, carry it entirely through the shed, and subsequently return empty.✓
Correct answer
The picking action is accomplished by a series of small, bullet-like projectiles that grip the filling yarn, carry it entirely through the shed, and subsequently return empty.
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