{"id":22883,"date":"2022-06-24T07:32:59","date_gmt":"2022-06-24T07:32:59","guid":{"rendered":"https:\/\/kvalitnivystrik.cz\/?p=22883"},"modified":"2022-07-01T06:51:03","modified_gmt":"2022-07-01T06:51:03","slug":"volba-oceli-na-formy-a-jejich-casti","status":"publish","type":"post","link":"https:\/\/kvalitnivystrik.cz\/index.php\/2022\/06\/24\/volba-oceli-na-formy-a-jejich-casti\/","title":{"rendered":"VOLBA OCEL\u00cd na formy a jejich \u010d\u00e1sti"},"content":{"rendered":"\n

VOLBA OCEL\u00cd na formy a jejich \u010d\u00e1sti<\/h3>\n\n\n\n

autor: Jan \u017d\u00e1k
www.uddeholm.cz<\/p>\n\n\n\n

D\u016fle\u017eit\u00e1 krit\u00e9ria pro v\u00fdb\u011br oceli pro v\u00fdrobu formy na zpracov\u00e1n\u00ed plast\u016f <\/h6>\n\n\n\n

Metoda zpracov\u00e1n\u00ed plastu
\u2022 Druh zpracov\u00e1van\u00e9ho plastu, p\u0159\u00edpadn\u011b druh plniva
\u2022 Velikost formy (r\u00e1m, vlo\u017eky, j\u00e1dra)
\u2022 Pl\u00e1novan\u00fd po\u010det vyr\u00e1b\u011bn\u00fdch kus\u016f (\u017eivotnost formy)
\u2022 Po\u017eadavky na povrchovou jakost v\u00fdrobku
\u2022 Nej\u010dast\u011bj\u0161\u00ed vady, vznikaj\u00edc\u00ed b\u011bhem provozu n\u00e1stroje<\/p>\n\n\n\n


Zohledn\u011bn\u00ed uveden\u00fdch aspekt\u016f vede k po\u017eadavk\u016fm na vlastnosti volen\u00e9ho n\u00e1strojov\u00e9ho materi\u00e1lu, jako jsou: <\/h6>\n\n\n\n

\u2022 odolnost proti opot\u0159eben\u00ed
\u2022 odolnost proti penetraci
\u2022 odolnost proti korozi
\u2022 hou\u017eevnatost, pevnost
\u2022 mikro\u010distota, homogenita, le\u0161titelnost
\u2022 tepeln\u00e1 vodivost<\/p>\n\n\n\n

Dal\u0161\u00ed d\u016fle\u017eit\u00e1 hlediska rozhodov\u00e1n\u00ed:<\/h6>\n\n\n\n

\u2022 p\u0159esnost a rozm\u011brov\u00e1 st\u00e1lost vyroben\u00fdch d\u00edl\u016f formy
\u2022 obrobitelnost
\u2022 sva\u0159itelnost, mo\u017enost oprav a dostupnost p\u0159\u00eddavn\u00fdch materi\u00e1l\u016f
\u2022 tepeln\u00e9 zpracov\u00e1n\u00ed (+ p\u0159\u00eddavky na TZ)
\u2022 oceli dodan\u00e9 ji\u017e tepeln\u011b zpracovan\u00e9 (tzv. p\u0159edzu\u0161lecht\u011bn\u00e9)
\u2022 mo\u017enost nitridace, cementace, povlakov\u00e1n\u00ed, povrchov\u00e9ho kalen\u00ed indukc\u00ed, laserem a pod.
\u2022 po\u017eadavky na \u017eivotnost a celkov\u00e9 n\u00e1klady na v\u00fdrobu formy.<\/p>\n\n\n\n

P\u0159ihl\u00e9dnut\u00ed ke zp\u016fsobu metalurgick\u00e9 v\u00fdroby<\/h6>\n\n\n\n

\u2022 Klasick\u00e1 metalurgie v\u00fdroby v obloukov\u00e9 peci
\u2022 Elektrostruskov\u011b p\u0159etaven\u00e9 oceli ESR (= ESU )
\u2022 Oceli vyroben\u00e9 pr\u00e1\u0161kovou metalurgi\u00ed ( = PM)<\/p>\n\n\n\n

Oceli vyroben\u00e9 elektrostruskov\u00fdm p\u0159etaven\u00edm (ESR) se vyzna\u010duj\u00ed:<\/h6>\n\n\n\n


\u2022 Rychlej\u0161\u00edm procesem tuhnut\u00ed \u2013 jemn\u011bj\u0161\u00edm zrnem
\u2022 Vy\u0161\u0161\u00ed homogenitou
\u2022 Vy\u0161\u0161\u00ed mikro\u010distotou v porovn\u00e1n\u00ed s klasickou metalurgi\u00ed<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

ESR OCELI MAJ\u00cd TUD\u00cd\u017d LEP\u0160\u00cd:<\/strong>
\u2022 le\u0161titelnost
\u2022 schopnost lept\u00e1n\u00ed, vytv\u00e1ren\u00ed textur
\u2022 hou\u017eevnatost a ta\u017enost<\/strong><\/p>\n\n\n\n

Oceli Uddeholm dod\u00e1van\u00e9 ji\u017e zu\u0161lecht\u011bn\u00e9:<\/h6>\n\n\n\n

\u2022 Holdax (W.-Nr. 1.2312) \u2013 ur\u010deno na r\u00e1my forem \u2013 kaleno a pop. na 290-330 HB
\u2022 Ramax HH (NEREZ) \u2013 r\u00e1my forem, vlo\u017eky na pry\u017e \u2013 kaleno a pop. na ~ 340 HB
\u2022 RoyAlloy (NEREZ) \u2013 r\u00e1my-dod\u00e1v\u00e1me fr\u00e9z. v toleranc\u00edch +0,1\/-0,1. HB 290-330
\u2022 Impax Supreme \u2013 ocel na vlo\u017eky a konstruk\u010dn\u00ed aplikace. Le\u0161titeln\u00e1. 290-330 HB
\u2022 Nimax \u2013 ocel n\u00edzkouhl\u00edkov\u00e1, na formy, vlo\u017eky, j\u00e1dra. Ocel je le\u0161titeln\u00e1. ~ 40 HRC
\u2022 Mirrax 40(ESR) (NEREZ) \u2013 na formy, vlo\u017eky, j\u00e1dra. Vysoce le\u0161titeln\u00e1. 40 HRC<\/p>\n\n\n\n

V\u00fdhody p\u0159edzu\u0161lecht\u011bn\u00fdch ocel\u00ed:<\/h6>\n\n\n\n

\u2022 odpad\u00e1 nutnost p\u0159\u00eddavku na tepeln\u00e9 zpracov\u00e1n\u00ed a dokon\u010dovac\u00ed operace po TZ<\/strong>
\u2022 forma \u010di jej\u00ed d\u00edl se vyrob\u00ed na hotovo bez operace TZ \u2013 zkr\u00e1cen\u00ed \u010dasu, sn\u00ed\u017een\u00ed n\u00e1klad\u016f
\u2022 vyroben\u00e9 d\u00edly maj\u00ed dobrou rozm\u011brovou stabilitu
\u2022 oceli dodan\u00e9 v p\u0159edzu\u0161lecht\u011bn\u00e9m stavu se vyzna\u010duj\u00ed dobrou hou\u017eevnatost\u00ed
\u2022 snadn\u00e9 opravy forem a jejich d\u00edl\u016f sva\u0159ov\u00e1n\u00edm<\/strong><\/p>\n\n\n\n

Oceli Uddeholm k v\u00fdrob\u011b forem a jejich komponent, dod\u00e1van\u00e9 ve stavu \u017e\u00edhan\u00e9m nam\u011bkko<\/strong> <\/h6>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
Pozice jednotliv\u00fdch zna\u010dek ocel\u00ed Uddeholm<\/strong><\/h6>\n\n\n\n
\"\"<\/figure>\n\n\n\n
Ne\u017eelezn\u00e9 slitiny Uddeholm na formy a jejich \u010d\u00e1sti<\/h6>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

VOLBA OCEL\u00cd na formy a jejich \u010d\u00e1sti autor: Jan \u017d\u00e1kwww.uddeholm.cz D\u016fle\u017eit\u00e1 krit\u00e9ria pro v\u00fdb\u011br oceli pro v\u00fdrobu formy na zpracov\u00e1n\u00ed plast\u016f Metoda zpracov\u00e1n\u00ed plastu\u2022 Druh zpracov\u00e1van\u00e9ho plastu, p\u0159\u00edpadn\u011b druh plniva\u2022 Velikost formy (r\u00e1m, vlo\u017eky, j\u00e1dra)\u2022 Pl\u00e1novan\u00fd po\u010det vyr\u00e1b\u011bn\u00fdch kus\u016f (\u017eivotnost formy)\u2022 Po\u017eadavky na povrchovou jakost v\u00fdrobku\u2022 Nej\u010dast\u011bj\u0161\u00ed vady, vznikaj\u00edc\u00ed b\u011bhem provozu n\u00e1stroje Zohledn\u011bn\u00ed uveden\u00fdch aspekt\u016f vede k po\u017eadavk\u016fm na vlastnosti volen\u00e9ho n\u00e1strojov\u00e9ho materi\u00e1lu, jako jsou: \u2022 odolnost proti opot\u0159eben\u00ed\u2022 odolnost proti penetraci\u2022 odolnost proti korozi\u2022 hou\u017eevnatost, pevnost\u2022 mikro\u010distota, homogenita, le\u0161titelnost\u2022 tepeln\u00e1 vodivost Dal\u0161\u00ed d\u016fle\u017eit\u00e1 hlediska rozhodov\u00e1n\u00ed: \u2022 p\u0159esnost a rozm\u011brov\u00e1 st\u00e1lost vyroben\u00fdch d\u00edl\u016f formy\u2022 obrobitelnost\u2022 sva\u0159itelnost, mo\u017enost oprav a dostupnost p\u0159\u00eddavn\u00fdch materi\u00e1l\u016f\u2022 tepeln\u00e9 zpracov\u00e1n\u00ed (+ p\u0159\u00eddavky na TZ)\u2022 oceli dodan\u00e9 ji\u017e tepeln\u011b zpracovan\u00e9 (tzv. p\u0159edzu\u0161lecht\u011bn\u00e9)\u2022 mo\u017enost nitridace, cementace, povlakov\u00e1n\u00ed, povrchov\u00e9ho kalen\u00ed indukc\u00ed, laserem a pod.\u2022 po\u017eadavky na \u017eivotnost a celkov\u00e9 n\u00e1klady na v\u00fdrobu formy. P\u0159ihl\u00e9dnut\u00ed ke zp\u016fsobu metalurgick\u00e9 v\u00fdroby \u2022 Klasick\u00e1 metalurgie v\u00fdroby v obloukov\u00e9 peci\u2022 Elektrostruskov\u011b p\u0159etaven\u00e9 oceli ESR (= ESU )\u2022 Oceli vyroben\u00e9 pr\u00e1\u0161kovou metalurgi\u00ed ( = PM) Oceli vyroben\u00e9 elektrostruskov\u00fdm p\u0159etaven\u00edm (ESR) se vyzna\u010duj\u00ed: \u2022 Rychlej\u0161\u00edm procesem tuhnut\u00ed \u2013 jemn\u011bj\u0161\u00edm zrnem\u2022 Vy\u0161\u0161\u00ed homogenitou\u2022 Vy\u0161\u0161\u00ed mikro\u010distotou v porovn\u00e1n\u00ed s klasickou metalurgi\u00ed ESR OCELI MAJ\u00cd TUD\u00cd\u017d LEP\u0160\u00cd:\u2022 le\u0161titelnost\u2022 schopnost lept\u00e1n\u00ed, vytv\u00e1ren\u00ed textur\u2022 hou\u017eevnatost a ta\u017enost Oceli Uddeholm dod\u00e1van\u00e9 ji\u017e…<\/p>\n","protected":false},"author":1,"featured_media":22886,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/posts\/22883"}],"collection":[{"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/comments?post=22883"}],"version-history":[{"count":27,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/posts\/22883\/revisions"}],"predecessor-version":[{"id":22921,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/posts\/22883\/revisions\/22921"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/media\/22886"}],"wp:attachment":[{"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/media?parent=22883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/categories?post=22883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kvalitnivystrik.cz\/index.php\/wp-json\/wp\/v2\/tags?post=22883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}