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DYNAMCAL ANALYSIS OF THE SHEDDING MOTION IN NEGATIVE SHEDDING MECHANISM

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Tekstil ve Mühendis
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Abstract

Do& Dr. Yiiksel Y~lmaz i.T.U. Makina Fakiilltesi Tekstil Miihendisligi BSliimii, ISTANBUL Bu gallgmada, dokuma makinalarmda gergeve ha- reket mekanizmasl bir kiitle - yay sistemine in- dirgenmij biyel ve gergevenin elastik oldugu var- saydarak hareketin diferansiyel denklemi yazdmq ve gene1 goziim elde edilmigtir. Uygulanan dinamik ana- liz sonunda gozgii ipligine ekseni dogrultusunda etki eden kuvvet igin bir oneri getirilm4tir. Elde edilen te- orik sonu$ gozgii ipliginin daha gok gergeve ha- reketinden koptug'u diiguncelerini dogrulamaktadw. ZUSAMMENFASSUNG In diesem Aufsatz wird kraftschliissige Schaftgetriebe beim Weben als ein Masse-Federsystem betrachtet. Es wird auch vorausgesetz, dass der Schaft elastich sei. Duch die losung der differentisal gleichung von Be- wegung des Schafes wird die Feststellung der In- ertialkrafd ermoglicht, die auf Ketfad.cn auswirkt. Die Folgerung beweist, dass der Ketfadenbruch vor- wiegend zur Folge der Schaftbewegung sein konnte. DYNAMCAL ANALYSIS OF T H E SHEDDING MOTION IN NEGATIVE SffEDDING MECHANISM In this work, the shedding mechanism in the weaving machines has been reduced to a mass-spring system and assuming that the crank arm and the heald shaft are elastic, the differential equation of the motion has been written and a general solution obtained. As a re- sult of the dynamical analysis applied a proposal has been made for the force acting on the warp along its axis. The theoretical result obtained verifies the views that the warp yam breaks more due to the shedding motion. I. G m s Dokumada atkt ipliginin dokumaya kat~lmasmdan once, jakarlt ag~zltk a p a mekanizmast bir yana b~rak~l~rsa , qer~evelerin hareketi ile agtzl~k aqma gerqeklegtirilir. Cer~eveler kalktg, ust konumda bek- leme, inig ve alt konumda bekleme olmak iizere dogrusal hareket yapar. Bu hareket esnastnda gucu tel- lerinden geqirilen ~ o z g u iplikleri yukan veya agagt konuma getirilirler. Cerqevelerin alt ve ust konumda beklemeleri

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