normal life of the product. other factors that are considered include the type of material being sewn, the type of sewing machines being used, conditions under which the product must perform, and cost effectiveness. thread science- where do fibers come from?...
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automatic data analysis. it can be applied to the tensile tests of various kinds of s... yarn tester shanghai new fiber instrument co., ltd. ( nfi ) xd- vibration fiber fineness tester the xd- vibration fiber fineness tester works based on the string vibration principle. first, it measures the natural...
of a highly drawn polyester filament that is widely used to produce fabrics and textiles. fully oriented yarn polyester (foy) is also known as fully drawn yarn (fdy). the process to manufacture fully drawn yarn is similar to that of partially oriented yarn (poy). however, the yarn is produced at very...
(own work) [ gfdl or cc by ], via wikimedia commons share sizing is a complementary operation which is carried out on warps formed by spun yarns with insufficient tenacity or by continuous filament yarns with zero twists. in general, when sizing is necessary, the yarn is beam warped, therefore all beams...