About: The Influence of Time of Work on the Wear of Needle Surface

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About: The Influence of Time of Work on the Wear of Needle Surface Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In the paper the influence of surface finish of needles (titanium nitride finish and chrome finish), air cooling and the placement of needles in the needle bar during 24 hour period of sewing of seat covers for car seats made of leather is presented. Damaged sewing thread reduces high quality appearance of the seat cover at the site of sewing and also the durability of the joint. Simultaneously, the sewing needles must be replaced more frequently which leads to an increase in costs and loss of productivity. The test was carried out on two-needles sewing machine using the lockstitch. The degree of the wear of needle surface was measured after 8, 16 and 24 hours of work. The one was determined subjectively by analyzing images from a scanning electron microscope. To analyze the extent of surface wear the grid was used. The results show that the damage surface of the left needle is considerably larger than at the right, which may be caused by the different direction of rotation of the loopers. Neither the cooling effect nor the influence of surface finish has the influence on the changes of size of surface wear. In the paper the influence of surface finish of needles (titanium nitride finish and chrome finish), air cooling and the placement of needles in the needle bar during 24 hour period of sewing of seat covers for car seats made of leather is presented. Damaged sewing thread reduces high quality appearance of the seat cover at the site of sewing and also the durability of the joint. Simultaneously, the sewing needles must be replaced more frequently which leads to an increase in costs and loss of productivity. The test was carried out on two-needles sewing machine using the lockstitch. The degree of the wear of needle surface was measured after 8, 16 and 24 hours of work. The one was determined subjectively by analyzing images from a scanning electron microscope. To analyze the extent of surface wear the grid was used. The results show that the damage surface of the left needle is considerably larger than at the right, which may be caused by the different direction of rotation of the loopers. Neither the cooling effect nor the influence of surface finish has the influence on the changes of size of surface wear. (en)
Title	The Influence of Time of Work on the Wear of Needle Surface The Influence of Time of Work on the Wear of Needle Surface (en)
skos:prefLabel	The Influence of Time of Work on the Wear of Needle Surface The Influence of Time of Work on the Wear of Needle Surface (en)
skos:notation	RIV/46747885:24410/14:#0003877!RIV15-MSM-24410___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Bečicová, Zuzana Havelka, Antonín Bajzík, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta textilní
http://linked.open...dnocenehoVysledku	21705
http://linked.open...ai/riv/idVysledku	RIV/46747885:24410/14:#0003877
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Car seat; cooling; lockstitch; sewing needle; surface finish (en)
http://linked.open.../riv/klicoveSlovo	Car seat surface finish cooling sewing needle lockstitch
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[C22FDD71780A]
http://linked.open...i/riv/nazevZdroje	Vlákna a textil
http://linked.open...in/vavai/riv/obor	JS
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	21
http://linked.open...iv/tvurceVysledku	Bajzík, Vladimír Havelka, Antonín Bečicová, Zuzana
issn	1335-0617
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	24410

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