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The S numbers originated in England, [4] where the worsted spinning process was invented and arose from the worsted yarn count system for stating the fineness of yarn. The worsted count (also known as the Bradford count) was the number of 560-yard (510 m) lengths (hanks) of worsted yarn that 1 pound (0.45 kg) of wool yields. [5]
Variable quality is a characteristic shared by all raw materials. Fibers have different colors, fineness, and length, yarns vary in count, twist, and strength, and fabrics vary with density, thread count, weight, and shrinkage levels. The proper selection of raw materials facilitates the smooth operation of subsequent stages. [2]
The Bradford system (also known as the English Worsted Yarn Count System or spinning count or Bradford count) is a way to assess the fineness of wool.. To measure the fineness of sheep wool fibre before microscopes and lasers were used, English wool handlers in the city of Bradford described wool by estimating (with experienced eyes) how many 560-yard (512 m) hanks of single-strand yarn could ...
A way of determining the weight of an unknown yarn is to use the wrapping method. This method is also used to calculate the amount of yarn needed for a project. By this method it is possible to check an unknown weight of yarn with a regular pencil and ruler [3] without unwinding the yarn. Simply slip the pencil under approximately an inch of ...
Merino and crossbred wool samples showing the different quality numbers. A wool staple is a cluster or lock of wool fibres and not a single fibre.. For other textiles, the staple, having evolved from its usage with wool, is a measure of the quality of the fibre with regard to its length or fineness.
Larger needles produce a smaller gauge (fewer stitches per inch) and smaller needles produce a larger gauge (more stitches per inch). If necessary, further adjustments can be made by subtly altering the pattern dimensions, e.g., shortening a vertically aligned pattern. Ribbing can also be used to "draw in" the fabric to the proper gauge.
Some threads can be used for applications up to 800 °C (1472 °F). There are a variety of different sewing threads available which have different applications and benefits. Kevlar-coated stainless steel sewing threads have a high-temperature and flame-resistant steel core combined with Kevlar coating designed to facilitate easier machine ...
The dimensional stability of textile materials is an important quality parameter. Failing and unstable materials can cause deforming of the garments or products. [ 3 ] Shrinkage is tested at various stages, but most importantly before cutting the fabric into further sewn products and after cutting and sewing prior to supplying the products to ...
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3579 S High St, Columbus, OH · Directions · (614) 409-0683