Poor wearability is the most serious problem of domestic sewing needle, which is the main reason for their short service lives. The influences of needle materials, microstructures and manufacturing technologies on the...Poor wearability is the most serious problem of domestic sewing needle, which is the main reason for their short service lives. The influences of needle materials, microstructures and manufacturing technologies on the wear resistance are analyzed in comparison with foreign sewing needles. A series of suitable measures are proposed to improve the wear resistance.展开更多
This paper presents a study of properties of air-jet textured threads made from high strengthpolyester filament and ordinary strength polyester filament.It includes the evaluation of tenacity,breaking elongation,modul...This paper presents a study of properties of air-jet textured threads made from high strengthpolyester filament and ordinary strength polyester filament.It includes the evaluation of tenacity,breaking elongation,modulus,specific work,evenness,abrasion resistance,hook strength,knotstrength and other mechanical properties relating to sewing.The polyester air-jet texturing sewingthread has special structure and appearance and possesses better properties of evenness,goodabrasion resistance,fatigue property,high hook and knot strength.展开更多
文摘Poor wearability is the most serious problem of domestic sewing needle, which is the main reason for their short service lives. The influences of needle materials, microstructures and manufacturing technologies on the wear resistance are analyzed in comparison with foreign sewing needles. A series of suitable measures are proposed to improve the wear resistance.
文摘This paper presents a study of properties of air-jet textured threads made from high strengthpolyester filament and ordinary strength polyester filament.It includes the evaluation of tenacity,breaking elongation,modulus,specific work,evenness,abrasion resistance,hook strength,knotstrength and other mechanical properties relating to sewing.The polyester air-jet texturing sewingthread has special structure and appearance and possesses better properties of evenness,goodabrasion resistance,fatigue property,high hook and knot strength.
