2003
DOI: 10.14314/polimery.2003.100
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Some problems of polymer flow in injection mould

Abstract: W!brdne ?JgJdni€ aiJ p'zePłyau llvor/yT. B lornie llry\(o$el ' hddńg dllfuev ojtred Ń ńe h' ś dłkbi oG ł ńftl qi p 'j!'oŃNlnDduP]liqlhifu'ddh! tł F&P'w!h !!{!Ąvh !i!b|b {jqi

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Cited by 10 publications
(16 citation statements)
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“…• partly crystalline copolymer POM Samples for investigations have been made using injection method by means of Krauss Maffei KM 65-160 C1 machine, which was equipped with special mould for manufacturing samples for thermoplastics shrinkage investigations [21][22][23][24][25]. The shape and dimensions for the mould cavity of the injection moulded piece has been adjusted to the requirements of the ISO standards [26,27].…”
Section: Empirical Partmentioning
confidence: 99%
“…• partly crystalline copolymer POM Samples for investigations have been made using injection method by means of Krauss Maffei KM 65-160 C1 machine, which was equipped with special mould for manufacturing samples for thermoplastics shrinkage investigations [21][22][23][24][25]. The shape and dimensions for the mould cavity of the injection moulded piece has been adjusted to the requirements of the ISO standards [26,27].…”
Section: Empirical Partmentioning
confidence: 99%
“…Aby okreoeliae charakter ruchu p³ynu newtonowskiego stosuje siê, m.in. liczbê Reynoldsa, okreoelaj¹c¹ bezwymiarowy stosunek si³ bezw³adnooeci do si³y tarcia wewnêtrznego p³ynu, zdefiniowan¹ równaniem [1,2,6,[8][9][10][11][12][13][14][15][16][17]: (1) gdzie: n s -oerednia liniowa prêdkooeae przep³ywu p³ynu, Doerednica kana³u, r -gêstooeae p³ynu, h -lepkooeae dynamiczna p³ynu.…”
unclassified
“…Przep³yw jest laminarny, gdy obliczona wartooeae liczby Reynoldsa jest mniejsza od wartooeci krytycznej Re kr £ 2100, w przedziale 2100 < Re < 10 4 wystêpuje przep³yw przejoeciowy, natomiast gdy Re ³ 10 4 przep³yw staje siê turbulentny [1,2,8,10,12,13,18].…”
unclassified
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“…gdzie: V -oerednia prêdkooeae przep³ywu. Nieskorygowana szybkooeae oecinania przy oeciance wy-ra¿ana jest za pomoc¹ wzoru (2) Po podstawieniu wartooeci z równ. (1) upraszcza siê do postaci (3) W przypadku wyst¹pienia pooelizgu szybkooeae oecinania okreoelona jest natomiast zmodyfikowanym wzorem (4) gdzie: V s -prêdkooeae pooelizgu.…”
unclassified