{"id":7328,"date":"2021-04-19T09:36:58","date_gmt":"2021-04-19T06:36:58","guid":{"rendered":"http:\/\/journals.khnu.km.ua\/vestnik\/?p=7328"},"modified":"2021-08-05T15:18:03","modified_gmt":"2021-08-05T12:18:03","slug":"%d0%b2%d0%bf%d0%bb%d0%b8%d0%b2-%d0%bf%d0%b0%d1%80%d0%b0%d0%bc%d0%b5%d1%82%d1%80%d1%96%d0%b2-%d0%bf%d1%80%d0%be%d1%86%d0%b5%d1%81%d1%83-%d0%b2%d1%8f%d0%b7%d0%b0%d0%bd%d0%bd%d1%8f-%d0%ba%d1%83%d0%bb","status":"publish","type":"post","link":"https:\/\/journals.khnu.km.ua\/vestnik\/?p=7328","title":{"rendered":"\u0412\u043f\u043b\u0438\u0432 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0456\u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0443 \u0432’\u044f\u0437\u0430\u043d\u043d\u044f \u043a\u0443\u043b\u0456\u0440\u043d\u043e\u0433\u043e \u0442\u0440\u0438\u043a\u043e\u0442\u0430\u0436\u0443 \u043d\u0430 \u0432\u0442\u0440\u0430\u0442\u0443 \u043c\u0456\u0446\u043d\u043e\u0441\u0442\u0456 \u0432\u0438\u0441\u043e\u043a\u043e\u043c\u043e\u043b\u0435\u043a\u0443\u043b\u044f\u0440\u043d\u0438\u0445 \u043f\u043e\u043b\u0456\u0435\u0442\u0438\u043b\u0435\u043d\u043e\u0432\u0438\u0445 \u043d\u0438\u0442\u043e\u043a"},"content":{"rendered":"

<\/p>\n

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INFLUENCE OF KNITTING PROCESS ON LOSS OF HIGH-MOLECULAR POLYETHYLENE YARNS STRENGTH<\/p>\n

\u0421\u0442\u043e\u0440\u0456\u043d\u043a\u0438: 176-182. \u041d\u043e\u043c\u0435\u0440: \u21161, 2021 (293)<\/strong> \"\"<\/a>
\n\u0410\u0432\u0442\u043e\u0440\u0438:<\/strong>
\n\u0421.\u042e. \u0411\u041e\u0411\u0420\u041e\u0412\u0410, \u041b.\u0404. \u0413\u0410\u041b\u0410\u0412\u0421\u042c\u041a\u0410, \u0412.\u0406. \u0411\u0415\u0417\u0421\u041c\u0415\u0420\u0422\u041d\u0410
\n\u041a\u0438\u0457\u0432\u0441\u044c\u043a\u0438\u0439 \u043d\u0430\u0446\u0456\u043e\u043d\u0430\u043b\u044c\u043d\u0438\u0439 \u0443\u043d\u0456\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0456\u0439 \u0442\u0430 \u0434\u0438\u0437\u0430\u0439\u043d\u0443
\nS.Yu. BOBROVA, L.Ye. HALAVSKA, V.I. BEZSMERTNA
\nKyiv National University of Technologies and Design
\nDOI:<\/strong> https:\/\/www.doi.org\/10.31891\/2307-5732-2021-293-1-176-182<\/a>
\n\u0420\u0435\u0446\u0435\u043d\u0437\u0456\u044f\/Peer review :<\/strong> 16.02.2021 \u0440.
\n\u041d\u0430\u0434\u0440\u0443\u043a\u043e\u0432\u0430\u043d\u0430\/Printed :<\/strong> 10.03.2021 \u0440.<\/p>\n

\u0410\u043d\u043e\u0442\u0430\u0446\u0456\u044f \u043c\u043e\u0432\u043e\u044e \u043e\u0440\u0438\u0433\u0456\u043d\u0430\u043b\u0443<\/strong><\/p>\n

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\n\u041a\u043b\u044e\u0447\u043e\u0432\u0456 \u0441\u043b\u043e\u0432\u0430:<\/strong> \u043a\u0443\u043b\u0456\u0440\u043d\u0438\u0439 \u0442\u0440\u0438\u043a\u043e\u0442\u0430\u0436, \u043f\u0435\u0440\u0435\u043f\u043b\u0435\u0442\u0435\u043d\u043d\u044f \u0433\u043b\u0430\u0434\u044c, \u0433\u043b\u0438\u0431\u0438\u043d\u0430 \u043a\u0443\u043b\u0456\u0440\u0443\u0432\u0430\u043d\u043d\u044f, \u0440\u043e\u0437\u0440\u0438\u0432\u0430\u043b\u044c\u043d\u0435 \u043d\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0435\u043d\u043d\u044f, \u0441\u0438\u0440\u043e\u0432\u0438\u043d\u0430 \u043f\u0456\u0434\u0432\u0438\u0449\u0435\u043d\u043e\u0457 \u043c\u0456\u0446\u043d\u043e\u0441\u0442\u0456, \u043f\u043e\u043b\u0456\u0435\u0442\u0438\u043b\u0435\u043d\u043e\u0432\u0430 \u043d\u0438\u0442\u043a\u0430,\u00a0 \u0432\u0442\u0440\u0430\u0442\u0430 \u043c\u0456\u0446\u043d\u043e\u0441\u0442\u0456.<\/p>\n

\u0420\u043e\u0437\u0448\u0438\u0440\u0435\u043d\u0430 \u0430\u043d\u043e\u0442\u0430\u0446\u0456\u044f \u0430\u043d\u0433\u043b\u0456\u0439\u0441\u044c\u043a\u043e\u044e \u043c\u043e\u0432\u043e\u044e<\/strong><\/p>\n

The current priority in the development of high-strength knitwear is to study the behavior of high-strength yarns in the knitting process and maintain their strength characteristics after knitting. The article presents results of the study of the influence of knitting conditions and setting-up parameters on the loss of strength of weft knitted fabrics made of high molecular weight polyethylene yarns.
\nFor knitted fabrics manufacturing ultra high molecular weight polyethylene yarn 44.4 tex and 44.4×3 tex is used. The experimental knitting samples were made by plain structure at flat knitting machine 8-gauge. The breaking characteristics of the yarns are set in accordance with DSTU ISO 2062: 2004 on tensile-testing machine KT-7010AZ. As a result of the complete three-factor experiment, regression mathematical models were obtained that adequately describe the influence of knitting parameters on the breaking load and loss of strength of polyethylene threads after their processing into the knitwear structure. As the controlled factors knockover depth, takedown traction and the linear density of the yarn were chosen. The linear density of a polyethylene yarn has a decisive influence on the breaking load of the yarn value after knitting. The takedown\u00a0traction has the greatest effect on the loss of strength of the yarn after its processing into the knitting structure. It is established that the minimum of loss of yarn strength can be achieved with the maximum level of knockover depth h = 3.5 mm, the maximum linear density of polyethylene yarn T = 132 tex and the minimum level of takedown\u00a0traction Q = 1659.9 sH.
\nThe obtained regression dependences characterizing the influence of technological parameters on the loss of strength of high molecular weight polyethylene yarn can be used to establish the optimal parameters for knitting of high-strength knitted fabrics for personal protective equipment or other technical products with high strength and resistance to various mechanical damage.
\nKeywords:<\/strong> weft knitwear, plain knitted fabric, knockover depth, breaking load, high strength materials, polyethylene yarn, loss of yarn strength.<\/p>\n

References<\/strong><\/p>\n

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  15. Bezsmertna V.I. Doslidzhennia vtraty mitsnosti paraaramidnykh nytok u protsesi viazannia kulirnoho trykotazhu \/ V.I.Bezsmertna, L.Ie. Halavska, S.Iu. Bobrova \/\/ Visnyk Kyivskoho natsionalnoho universytetu tekhnolohii ta dyzainu. Seriia Tekhnichni nauky. \u2013 2019. \u2013 \u2116 2 (132). \u2013 S. 51\u201359.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/7328"}],"collection":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7328"}],"version-history":[{"count":3,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/7328\/revisions"}],"predecessor-version":[{"id":7544,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=\/wp\/v2\/posts\/7328\/revisions\/7544"}],"wp:attachment":[{"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/journals.khnu.km.ua\/vestnik\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}