World scientific research journal
https://scientific-jl.com/wsrj
Volume-40_Issue-2_June-2025
121
DENSITY OF FABRIC YARN IN MULTI-LAYER FABRICS
Associate professor
Kosimov Azamjon Adikhamjonovich
Namangan State Technical University
E-mail: aaqosimov@gmail.com
Tel: +99897 3752808
Abstract.
In the given work formation of fabrics on a weaving loom influences
of linear durability of filling yarn on refueling tension and a number of other
parameters is investigated.
Kеywоrds:
Tissue structure, raw materials, Multi-layer tissue, tissue thickness
The production of suitable gas products for the needs of the population is one
of the tasks of special importance. In this case, increasing the assortment of clothing
and costume products is considered one of the main tasks of textile industry
employees.
The steps for preparing multilayer tissue are not different from the steps for
preparing simple tissue, but the structure is different. This difference is clearly seen
in the density of the fabric, its thickness, the mutual location of the threads, and the
weaving.
A fabric is made from two or more warp and weft yarn systems, interwoven in
a given order. In the process of fabric formation, each warp yarn is either under or
over the weft yarn. The weft yarns are also arranged in a similar manner.
The structure of fabrics is the arrangement of the warp and weft yarns and the
specific relationship between them.
The main indicators that determine the fabric structure are: raw material
composition of threads, their linear density, diameters, density in the fabric on the
div and warp and density compatibility coefficient, thread wrapping in the fabric
and other indicators.
Multi-layered fabrics can usually be one and a half or two layers. In some
cases, the number of layers can be made into three, four, or five layers, depending on
the function of the fabric.To create a weave in one and a half ply fabrics, there must
be two warp systems and one weft system (additional warp system) or two warp
systems and one weft system (additional weft system).
In the first case, the warp yarn systems are arranged one above the other, with
the weft yarns interwoven with them to strengthen the yarns. In this case, the weft
yarns are under high tension and the insertion cost is also high.
World scientific research journal
https://scientific-jl.com/wsrj
Volume-40_Issue-2_June-2025
122
In the second case, the warp yarn systems are placed one above the other, and
the warp system is woven with them, which means that the warp yarns are under
great tension, and the insertion cost is also higher than normal.
Textiles are usually measured by the parameters of weaving and quality, i.e.
width of the fabric, density on the div and warp, density on the surface, resistance
to breaking force and elongation at break, type of shearing, linear density of yarns on
the div and warp, thickness of the fabric, penetration indicators.
It can be seen that the research of layered tissue parameters, especially the
density of the tissue by threads, is one of the urgent issues.
The researched tissue is a costume, and differs from the previous ones in some
of its properties. An example of this is its hygroscopicity and non-creasing properties.
Cotton fiber yarn was used as raw material for tanda yarn. Other types of yarn can
be used for the yarn.
The fabric is included in the series of one-and-a-half-layer weaves, and the
serrated weave S-1/3 is obtained. The upper layer of the produced gauze has an
inclined horizontal path, which gives a unique appearance to the appearance of the
fabric.
The arrangement of warp threads in any shape in the fabric is carried out by
the warp mechanism of the loom, which moves in coordination with other
mechanisms.
The arrangement of warp threads in any shape in the fabric is carried out by
the warp mechanism of the loom, which moves in coordination with other
mechanisms.
Weaving period: The weft placement depends on whether it is early or late,
andthis is affected by the thickness of the weft thread passed through the loom. The
thicker the warp thread, the earlier the tension between the warp threads is released,
and the longer the weft adjuster will wrap the fabric. The thinner the yarn, the shorter
World scientific research journal
https://scientific-jl.com/wsrj
Volume-40_Issue-2_June-2025
123
the weaving time. As a result, the density of the fabric varies along the length of the
fabric.
If the warp threads are thick, the machine will work more in one cycle, on the
contrary, if the warp threads are thin, less fabric will be woven. When the rope
threads stop passing through the loom, the weaving stops. In this case, the rope
threads are different in some places. The average density of the fabric on the warp
depends on the value of the tension of the warp threads during the weaving and
winding. If the difference in the tension of the threads on the div increases, the
density of the fabric will also increase along the warp.
As a result of the conducted research, the effect of density on the structure of
the fabric in multilayer fabrics was examined. When using cotton fiber yarns of
medium density for the warp yarns, the fabric parameters were close to the standard
ones, and its quality also met the requirements.
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