Introduction to Weaving
Classify the Fabric
Fabrics can be classified based on various parameters such as structure, manufacturing method, and end-use. The main classifications are:
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Woven Fabrics: Made by interlacing two sets of yarns (warp and weft).
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Knitted Fabrics: Formed by interlooping yarns.
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Nonwoven Fabrics: Bonded together through mechanical, thermal, or chemical means.
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Braided Fabrics: Produced by intertwining three or more yarns.
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Felted Fabrics: Made by matting fibers together.
Describe the Characteristics of Different Types of Fabrics
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Woven Fabrics: Strong, dimensionally stable, less elastic, fray at the edges.
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Knitted Fabrics: Stretchy, breathable, soft, wrinkle-resistant.
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Nonwoven Fabrics: Lightweight, inexpensive, disposable, low strength.
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Braided Fabrics: Flexible, used in ropes and cables, decorative.
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Felted Fabrics: Dense, warm, no fraying, used in crafts and insulation.
Define Weaving, Warp, and Weft Yarns
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Weaving: A process of fabric production by interlacing warp and weft yarns at right angles.
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Warp Yarns: Longitudinal yarns held under tension on a loom.
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Weft Yarns: Transverse yarns that pass over and under the warp yarns.
Flow Chart of Conventional and Modern Weaving Process
Conventional Weaving Process:
Properties of Yarn Used for Weaving
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Strength: To withstand the stress during weaving.
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Uniformity: Even thickness for consistent fabric quality.
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Elasticity: Moderate to allow smooth interlacing.
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Smooth Surface: Reduces friction and facilitates weaving.
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Good Abrasion Resistance: Ensures durability of the yarn.
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Controlled Hairiness: Reduces machine wear and defects.
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