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The Fibre formation process includes a change in shape, structure, and properties of the thermoplastic polymer. The polymer pellets or granules are fed into an extruder where, through heating, their melting temperature is exceeded. The polymeric melt is then transported, under pressure, to the spinneret. Yarn formation methods were originally developed for spinning of natural fibers including cotton, linen, wool and silk.
Embroidery is a Thread Art of a sewn decorative work of fabric in which artwork, designs, emblems, logo, letters etc are created. A well-digitized design made up of a solid framework of stitches forming its outer edge, fill, satin stitches, and underlay stitches. The design should have a well-planned sewing sequence, with few jump stitches, from one area to another, so there is less thread-trimming to do. And it should be paired with a suitable fabric that displays it to its best advantage.
Yarn spinning is the process of manufacturing yarn from different types of fibres into a continuous length from one or more type of fibers. Spinning is the most important and the initial step in fabric manufacturing. The major goals of spinning is to produce the quality yarn from raw material, then remove the process faults followed by winding the short length bobbins on Cones. There are different types of spinning, the most commonly forms of spinning are: Ring, Rotor, Air Jet, Friction etc.
One unit of confirmation of thread resulting from repeatedly passing a strand or strands or loops of thread into or through a material is called a stitch. There are two basic stitch formations, lock stitch, and chain stitch. In all cases, the stitch develops from the formation of a loop in the needle thread as the needle rises from its lowest point. This loop is either inter-looped with the preceding loop or inter-looped with other threads or interlaced with an under thread in lockstitch.
From the field, seed cotton moves to nearby gins for separation of lint and seed. The cotton first goes through dryers to reduce moisture content and then through cleaning equipment to remove foreign matter.
Seam types are the place where two pieces of fabric are joined by application of a series of stitches or stitch types with a defined geometry. Over the years there are a number of different types of seams that have been developed to do different jobs. Many have largely been superseded by the development of machine stitches that finish as you sew them, and by the development of the overlocker (or serger in some parts of the world), it is useful to know some of the basic seams types and finishes.
A number of fibers exist that are derived from natural mineral sources or are manufactured from inorganic and mineral salts. These fibers are predominantly derivatives of silica (Si02) or other metal oxides.
Material feed is the controlled movement of the material being sewn from one stitch position to the next. Different feeding mechanisms available are for sewing fabrics. Some of them are Manual feed, Feed dog, Drop Feed, Needle Feed (Upper pivot needle Feed, Central pivot needle Feed, Parallel drive needle Feed), Wheel feed, Rotary feed, Upper Feed(Vibrating Presser Foot, Alternating Presser Foot, Top Feed, Jump Foot, Walking Foot, Spring action asking Foot, Driven walking Foot, Wheel feed.
Vinyl fibers are those man-made fibers spun from polymers or copolymers of substituted vinyl monomers and include vinylon, vinyl, vinylon-vinyl matrix (Polychlal), saran, and polytetrafluoroethylene fibers.
Fibers which do not logically “fit” under other classifications such as natural, manmade, mineral etc. such novaloid, carbon, poly-phenylene dibenzimidazole polyimide fibers etc. are categorized under miscellaneous fibers.