2. introduction to prepatory process.pptx

Introduction

1. Introduction to weaving preparatory process

2. Fabric Textile fabrics are special materials as they are generally light-weight, flexible (easy to bend, shear and twist), moldable , permeable and strong. There are four major technologies of fabric manufacturing as listed below. Weaving Knitting Non-woven Braiding

3. Woven fabric Lightweight fabrics: chiffon, linen, organza, lace , voile, mesh. Range -30- 150 GSM Medium weight fabrics: sateen, oxford, velvet, taffeta. Range 150-350 GSM Heavy weight fabrics: upholstery fabric, canvas, brocade, poplin, denim. Range 350 + GSM

4. Weaving preparatory process Yarns are produced by spinning. These yarns can not be used directly in weaving process. The preparation for weaving requires many steps of process. This is called weaving preparatory process. Warp yarn preparation Weft yarn preparation

5. Grey warp yarn preparation Spinning Cop Winding Warping Sizing Looming in Weaving

6. Mono colour warp yarn preparation Spinning Cop Winding Warping Sizing Looming in Weaving Dyeing

7. Multi colour warp yarn preparation Spinning Cop Winding Sectional Warping Looming in Weaving Dyeing

8. Grey weft preparation Spinning Cop Winding Pirn making Weaving For shuttle less looms

9. Colour weft preparation Spinning Cop Winding Pirn making Weaving Dyeing For shuttle less loom