Introduction of Fabric Structure And Design


Weaving : Weaving I a process by which weft thread are interlace with warp thread to produce a product known as woven fabric , on a machine called loom and process called Weaving.

Weaving Machine :  It is a machine in which weft thread are interlace with warp thread.

Weave :  It is a  order of interlace of warp thread and weft thread.
Or it is a combination of interlacing in a particular manner or style.

               ·        Interlacing decide by manuflating of ends.
               ·        Interlacing perform by shedding mechanism  
               ·        Interlacing decide by lifting of heald frame

Type of Interlacing :

1.     Warp Over Weft  :  when the warp is lifted above the inserted weft.

2.     Weft Over Warp  : when the weft is lifted above the inserted warp.

Weave Repeat Unit : It is a smallest unit of beam which repeat throw out the length and width of cloth.
It is decide by lifting of heald frame.

Design decide by following terms :-
i.                   Lifting Plan
ii.                 Draft
iii.               Denting Plan

i.                   Lifting Plan : It is a order of lifting or lowering of heald frame on each surfacing insertion of picks.
It is decide order of heald frame. In heald frame, each end pass through the each wire of heald frame.

ii.                 Denting Plan : It is a order of passing ends to the dents of reed. In reed , one or more then one ends pass through the dents of the reed.

iii.               Draft : It is a order of passing the ends to the heald frame. That is known as draft.

Warp :  The Longitudel thread which are parallel to selvedge which are known as warp.

Weft : The transverse thread which are perpendicular to selvedge or perpendicular to the warp thread which is known as weft.

Crimp  : The Waviness of  the yarn is known as crimp.

Identification of Warp And Weft Thread :-

             ·         By Selvedge.
             ·        By observing the reed mark (Air Gap).
             ·        Warp density is always  
                   gather then weft density. Or EPI   is always gather then PPI.
                Warp Density > Weft Density
             ·        Weft Crimp %  > Warp Crimp %



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