Time-Dependence of Stop Marks in Warp-Knitted Fabrics
Stop marks are one of the most frequently occurring errors in warp-knitted fabrics. They become visible in a fabric each time a warp-knitting machine stops and restarts. Nevertheless, investigations of such stop marks are rarely found in scientific literature. Here, we report on time-dependent inve...
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University of Ljubljana Press (Založba Univerze v Ljubljani)
2022-03-01
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| Series: | Tekstilec |
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| Online Access: | https://journals.uni-lj.si/tekstilec/article/view/11947 |
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| author | Christian Hellert Michael Kieren Andrea Ehrmann |
| author_facet | Christian Hellert Michael Kieren Andrea Ehrmann |
| author_sort | Christian Hellert |
| collection | DOAJ |
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Stop marks are one of the most frequently occurring errors in warp-knitted fabrics. They become visible in a fabric each time a warp-knitting machine stops and restarts. Nevertheless, investigations of such stop marks are rarely found in scientific literature. Here, we report on time-dependent investigations of stop marks in warp-knitted fabrics. Microscopic examination of stop marks after stopping times ranging between 1 s and 7 weeks revealed a superposition of the common stop mark due to imperfectly matching rotational speeds of the warp beam and main shaft, and an additional effect due to relaxation in the machine.
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| format | Article |
| id | doaj-art-a767e71c5510459d91ad2e6d9ac4afa8 |
| institution | DOAJ |
| issn | 0351-3386 2350-3696 |
| language | English |
| publishDate | 2022-03-01 |
| publisher | University of Ljubljana Press (Založba Univerze v Ljubljani) |
| record_format | Article |
| series | Tekstilec |
| spelling | doaj-art-a767e71c5510459d91ad2e6d9ac4afa82025-08-20T03:17:58ZengUniversity of Ljubljana Press (Založba Univerze v Ljubljani)Tekstilec0351-33862350-36962022-03-0165210.14502/tekstilec.65.202200118316Time-Dependence of Stop Marks in Warp-Knitted FabricsChristian Hellert0Michael Kieren1Andrea Ehrmann2https://orcid.org/0000-0003-0695-3905Bielefeld University of Applied Sciences, Faculty of Engineering and Mathematics, 33619 Bielefeld, GermanyKarl Mayer Stoll R&D GmbH, 63179 Obertshausen, GermanyBielefeld University of Applied Sciences, Faculty of Engineering and Mathematics, 33619 Bielefeld, Germany Stop marks are one of the most frequently occurring errors in warp-knitted fabrics. They become visible in a fabric each time a warp-knitting machine stops and restarts. Nevertheless, investigations of such stop marks are rarely found in scientific literature. Here, we report on time-dependent investigations of stop marks in warp-knitted fabrics. Microscopic examination of stop marks after stopping times ranging between 1 s and 7 weeks revealed a superposition of the common stop mark due to imperfectly matching rotational speeds of the warp beam and main shaft, and an additional effect due to relaxation in the machine. https://journals.uni-lj.si/tekstilec/article/view/11947stop markswarp knittingmicroscopyimage evaluation |
| spellingShingle | Christian Hellert Michael Kieren Andrea Ehrmann Time-Dependence of Stop Marks in Warp-Knitted Fabrics Tekstilec stop marks warp knitting microscopy image evaluation |
| title | Time-Dependence of Stop Marks in Warp-Knitted Fabrics |
| title_full | Time-Dependence of Stop Marks in Warp-Knitted Fabrics |
| title_fullStr | Time-Dependence of Stop Marks in Warp-Knitted Fabrics |
| title_full_unstemmed | Time-Dependence of Stop Marks in Warp-Knitted Fabrics |
| title_short | Time-Dependence of Stop Marks in Warp-Knitted Fabrics |
| title_sort | time dependence of stop marks in warp knitted fabrics |
| topic | stop marks warp knitting microscopy image evaluation |
| url | https://journals.uni-lj.si/tekstilec/article/view/11947 |
| work_keys_str_mv | AT christianhellert timedependenceofstopmarksinwarpknittedfabrics AT michaelkieren timedependenceofstopmarksinwarpknittedfabrics AT andreaehrmann timedependenceofstopmarksinwarpknittedfabrics |