Warp And Weft

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A 3/1 twill, as used inWarp and weft are the two basic components used in to turn or into. The lengthwise or longitudinal warp yarns are held stationary in tension on a frame or while the transverse weft (sometimes woof) is drawn through and inserted over-and-under the warp. A single thread of the weft crossing the warp is called a pick. Terms vary (for instance, in, the weft is sometimes referred to as the fill or the filling yarn). Each individual warp thread in a fabric is called a warp end or end.Inventions during the 18th century spurred the, with the 'picking stick' and the 'flying shuttle' (, 1733) speeding up production of cloth.

The power loom patented by in 1785 allowed sixty picks per minute. Warp threads inThe warp is the set of or other elements stretched in place on a before the weft is introduced during the weaving process. It is regarded as the longitudinal set in a finished fabric with two or more sets of elements.The term is also used for a set of yarns established before the interworking of weft yarns by some other method, such as finger manipulation, yielding wrapped or twined structures.

Very simple looms use a spiral warp, in which the warp is made up of a single, very long yarn wound in a pattern around a pair of sticks or beams.The warp must be strong to be held under high tension during the weaving process, unlike the weft which carries almost no tension. This requires the yarn used for warp ends, or individual warp threads, to be made of. Traditionally, and were used. However, during the created yarn of sufficient strength to be used in mechanized weaving. Later, artificial or such as or were employed.While most weaving is weft-faced, warp-faced textiles are created using densely arranged warp threads.

In these the design is in the warp, requiring all colors to be decided upon and placed during the first part of the weaving process, which cannot be changed. Such limitations of color placement create weavings defined by length-wise stripes and vertical designs. Many South American cultures, including the ancient Incas and Aymaras, employed backstrap weaving, which uses the weight of the weaver's body to control the tension of the loom. Weft Because the weft does not have to be stretched on a loom the way the warp is, it can generally be less strong. It is usually made of spun fibre, originally, and cotton, today often of synthetic fibre such as nylon or rayon.The weft is threaded through the warp using a ', air jets or 'rapier grippers'.

Handlooms were the original weaver's tool, with the shuttle being threaded through alternately raised warps by hand.As metaphor The expression 'warp and weft' (also 'warp and woof' and 'woof and warp') is used the way 'fabric' is; e.g., 'the warp and woof of a student's life' equates to 'the fabric of a student's life'. Warp and weft are sometimes used even more generally in literature to describe the basic dichotomy of the world we live in, as in, up/down, in/out, black/white, Sun/Moon yin/yang, etc. The expression is also used similarly for the underlying structure upon which something is built. The terms 'warp' and 'woof' are also found in some English translations of the Bible in the discussion of mildews found in cloth materials in Leviticus 13:48-59.In Guru Granth Sahib many shabads in Gurbani use the metaphor of warp (Dana) and weft (peta) to describe the state where our soul imbibes into the Almighty as a fabric. In hairdressing Weft is also a hairdressing term for temporary. These can be attached to a person's hair variously by cornrow braiding, using metal cylinders or gluing.

The result is often called a weave. See also.Notes. The George Washington University Museum and The Textile Museum. Washington, DC:. Retrieved 2017-08-10. Burnham (1980), pp.

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170, 179. Barber (1991), p. 79. Burnham (1980), pp. 170, 179. Barber (1991), p.

79. ^ Aspin, Chris (1981). Shire Library. Retrieved 2018-02-26. Retrieved 2017-08-10.

Burnham (1980), p. 132. Weaving in the Peruvian Highlands,. Walsh, Lynne. Hair Extensions by Hair Power.

Lee Stafford.comReferences Look up or in Wiktionary, the free dictionary. Barber, E. Prehistoric Textiles. Princeton University Press. (1980).

Warp and weft are the two basic components used in weaving to turn thread or yarn into fabric. The lengthwise or longitudinal warp yarns are held stationary in tension on a frame or loom while the transverse weft (sometimes woof) is drawn through and inserted over-and-under the warp.^[1] A single thread of the weft crossing the warp is called a pick. Terms vary (for instance, in North America, the weft is sometimes referred to as the fill or the filling yarn).^[2][3] Each individual warp thread in a fabric is called a warp end or end.^[4][5]

Inventions during the 18th century spurred the Industrial Revolution, with the 'picking stick'^[6] and the 'flying shuttle' (John Kay, 1733) speeding up production of cloth. The power loom patented by Edmund Cartwright in 1785 allowed sixty picks per minute.^[6]

Etymology[edit]

The words warp and weft derive ultimately from the Old English word wefan, to weave. Warp means 'that which is thrown away'^[7] (Old Englishwearp, from weorpan, to throw, cf. Germanwerfen, Dutchwerpen).^[dubious]

Warp[edit]

The warp is the set of yarns or other elements stretched in place on a loom before the weft is introduced during the weaving process. It is regarded as the longitudinal set in a finished fabric with two or more sets of elements.^[8]

The term is also used for a set of yarns established before the interworking of weft yarns by some other method, such as finger manipulation, yielding wrapped or twined structures. Very simple looms use a spiral warp, in which the warp is made up of a single, very long yarn wound in a spiral pattern around a pair of sticks or beams.^[9]

The warp must be strong to be held under high tension during the weaving process, unlike the weft which carries almost no tension. This requires the yarn used for warp ends, or individual warp threads, to be made of spun and pliedfibre. Traditionally wool, linen, alpaca, and silk were used. However, improvements in spinning technology during the Industrial Revolution created cotton yarn of sufficient strength to be used in mechanized weaving. Later, artificial or man-made fibres such as nylon or rayon were employed.

While most weaving is weft-faced, warp-faced textiles are created using densely arranged warp threads. In these the design is in the warp, requiring all colors to be decided upon and placed during the first part of the weaving process, which cannot be changed. Such limitations of color placement create weavings defined by length-wise stripes and vertical designs. Many South American cultures, including the ancient Incas and Aymaras, employed backstrap weaving, which uses the weight of the weaver's body to control the tension of the loom.^[10]

Weft[edit]

Because the weft does not have to be stretched on a loom the way the warp is, it can generally be less strong. It is usually made of spun fibre, originally wool, flax and cotton, today often of synthetic fibre such as nylon or rayon.

The weft is threaded through the warp using a 'shuttle', air jets or 'rapier grippers'. Handlooms were the original weaver's tool, with the shuttle being threaded through alternately raised warps by hand.

As metaphor[edit]

The expression 'warp and weft' (also 'warp and woof' and 'woof and warp') is used metaphorically the way 'fabric' is; e.g., 'the warp and woof of a student's life' equates to 'the fabric of a student's life'. Warp and weft are sometimes used even more generally in literature to describe the basic dichotomy of the world we live in, as in, up/down, in/out, black/white, Sun/Moon yin/yang, etc. The expression is also used similarly for the underlying structure upon which something is built. The terms 'warp' and 'woof' are also found in some English translations of the Bible in the discussion of mildews found in cloth materials in Leviticus 13:48-59.In Guru Granth Sahib many shabads in Gurbani use the metaphor of warp (Dana) and weft (peta) to describe the state where our soul imbibes into the Almighty as a fabric.^{[citation needed]}

In hairdressing[edit]

Weft is also a hairdressing term for temporary hair extensions. These can be attached to a person's hair variously by cornrow braiding, using metal cylinders or gluing. The result is often called a weave.^[11][12]

See also[edit]

Notes[edit]

1. ^'Weft'. The George Washington University Museum and The Textile Museum. Washington, DC: George Washington University. Retrieved 2017-08-10.
2. ^Burnham (1980), pp. 170, 179
3. ^Barber (1991), p. 79
4. ^Burnham (1980), pp. 170, 179
5. ^Barber (1991), p. 79
6. ^ ^abAspin, Chris (1981). The Cotton Industry. Shire Library. p. 20. ISBN978-0-85263-545-2.
7. ^'warp Search Online Etymology Dictionary'. www.etymonline.com. Retrieved 2018-02-26.
8. ^'Warp The George Washington University Museum and The Textile Museum The George Washington University'. museum.gwu.edu. Retrieved 2017-08-10.
9. ^Burnham (1980), p. 132
10. ^Weaving in the Peruvian Highlands, Nilda Callanaupa Alvarez
11. ^Walsh, Lynne. 'Weft Hair Extensions'. Hair Extensions by Hair Power.
12. ^Glossary of hairdressing and hair styling terminology. Lee Stafford.com

References[edit]

• Barber, E. J. W. (1991). Prehistoric Textiles. Princeton University Press. ISBN0-691-00224-X.
• Burnham, Dorothy K. (1980). Warp and Weft: A Textile Terminology. Royal Ontario Museum. ISBN0-88854-256-9.