{"id":23769,"date":"2026-06-24T09:33:21","date_gmt":"2026-06-24T01:33:21","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=23769"},"modified":"2026-10-09T02:23:38","modified_gmt":"2026-10-08T18:23:38","slug":"rotor-die-casting-guide-materials-process-supplier-tips","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/cs\/blog\/rotor-die-casting-guide-materials-process-supplier-tips\/","title":{"rendered":"Pr\u016fvodce tlakov\u00fdm lit\u00edm rotor\u016f: materi\u00e1ly, proces a tipy pro v\u00fdb\u011br dodavatele"},"content":{"rendered":"

odl\u00e9v\u00e1n\u00ed rotor\u016f pod tlakem<\/span> je specializovan\u00fd v\u00fdrobn\u00ed proces, p\u0159i n\u011bm\u017e se hlavn\u00ed sou\u010d\u00e1sti rotoru (vodic\u00ed ty\u010de a zkratovac\u00ed krou\u017eky) vytvo\u0159\u00ed jedin\u00fdm vst\u0159ikem roztaven\u00e9ho kovu. Pro konstrukt\u00e9ry OEM a n\u00e1kupn\u00ed t\u00fdmy je tato metoda zp\u016fsobem, jak dos\u00e1hnout stabiln\u00ed vodivosti, n\u00edzk\u00e9 p\u00f3rovitosti, dobr\u00e9ho vyv\u00e1\u017een\u00ed a opakovateln\u00e9 rozm\u011brov\u00e9 p\u0159esnosti.p\u00f3rovitosti<\/span><\/a>. V tomto \u010dl\u00e1nku se zam\u011b\u0159\u00edme na specifick\u00e9 po\u017eadavky tlakov\u00e9ho lit\u00ed rotor\u016f, na techniky, kter\u00e9 pom\u00e1haj\u00ed tyto n\u00e1roky splnit, a tak\u00e9 na v\u00fdb\u011br vhodn\u00e9ho dodavatele pro spolehlivou s\u00e9riovou v\u00fdrobu.<\/p>\n

\u010c\u00edm se v\u00fdroba rotor\u016f li\u0161\u00ed<\/h2>\n

\"hlin\u00edkov\u00fd<\/p>\n

Rotor se skl\u00e1d\u00e1 ze svazku tenk\u00fdch plech\u016f z elektrotechnick\u00e9 oceli s dr\u00e1\u017ekami po obvodu. P\u0159i odl\u00e9v\u00e1n\u00ed roztaven\u00fd kov vypln\u00ed tyto dr\u00e1\u017eky a vytvo\u0159\u00ed vodic\u00ed ty\u010de, kter\u00e9 jsou na obou konc\u00edch propojeny zkratovac\u00edmi krou\u017eky. V\u00fdsledkem je pevn\u00e1 vodiv\u00e1 konstrukce, jej\u00ed\u017e geometrie a kvalita odlitku p\u0159\u00edmo ovliv\u0148uj\u00ed \u00fa\u010dinnost motoru, jeho vyv\u00e1\u017een\u00ed a dlouhodobou spolehlivost.<\/p>\n

Na rozd\u00edl od mnoha b\u011b\u017en\u00fdch tlakov\u00fdch odlitk\u016f vy\u017eaduje v\u00fdroba rotoru p\u0159esn\u00e9 um\u00edst\u011bn\u00ed vlo\u017een\u00e9ho svazku plech\u016f, \u00fapln\u00e9 zapln\u011bn\u00ed \u00fazk\u00fdch dr\u00e1\u017eek, n\u00edzkou a kontrolovanou p\u00f3rovitost a rovnom\u011brn\u00e9 vytvo\u0159en\u00ed zkratovac\u00edch krou\u017ek\u016f. I mal\u00e9 odchylky mohou zhor\u0161it elektrickou vodivost, mechanickou pevnost nebo vyv\u00e1\u017een\u00ed rotoru. Proto je nutn\u00e9 posuzovat tlakov\u00e9 lit\u00ed rotor\u016f jako propojen\u00fd syst\u00e9m konstrukce formy, vlo\u017eky, procesu lit\u00ed a n\u00e1sledn\u00e9 kontroly.<\/p>\n

B\u011b\u017en\u00e9 materi\u00e1ly pro tlakov\u00e9 lit\u00ed rotor\u016f<\/h2>\n

Hlin\u00edk\u00a0je nej\u010dast\u011bji pou\u017e\u00edvan\u00fdm materi\u00e1lem pro tlakov\u00e9 lit\u00ed rotor\u016f, proto\u017ee nab\u00edz\u00ed praktickou rovnov\u00e1hu mezi elektrickou vodivost\u00ed, sl\u00e9vatelnost\u00ed, hmotnost\u00ed a efektivitou v\u00fdroby. Pro mnoho program\u016f induk\u010dn\u00edch motor\u016f z\u016fst\u00e1v\u00e1 standardn\u00ed volbou. M\u011b\u010f m\u016f\u017ee zv\u00fd\u0161it vodivost, ale jej\u00ed zpracov\u00e1n\u00ed klade vy\u0161\u0161\u00ed n\u00e1roky na teplotu i n\u00e1stroj. Zinek a ho\u0159\u010d\u00edk se pou\u017e\u00edvaj\u00ed m\u00e9n\u011b \u010dasto, zejm\u00e9na ve specializovan\u00fdch aplikac\u00edch.<\/p>\n

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Materi\u00e1l<\/div>\n<\/th>\n
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Hlavn\u00ed v\u00fdhoda<\/div>\n<\/th>\n
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Hlavn\u00ed omezen\u00ed<\/div>\n<\/th>\n
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Typick\u00e9 pou\u017eit\u00ed<\/div>\n<\/th>\n<\/tr>\n<\/thead>\n
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Hlin\u00edk<\/span><\/a><\/div>\n<\/td>\n
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Dobr\u00e1 rovnov\u00e1ha vodivosti, sl\u00e9vatelnosti, hmotnosti a ceny<\/div>\n<\/td>\n
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Ni\u017e\u0161\u00ed vodivost ne\u017e u m\u011bdi<\/div>\n<\/td>\n
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V\u011bt\u0161ina program\u016f rotor\u016f induk\u010dn\u00edch motor\u016f<\/div>\n<\/td>\n<\/tr>\n
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M\u011b\u010f<\/span><\/a><\/div>\n<\/td>\n
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Vy\u0161\u0161\u00ed vodivost<\/div>\n<\/td>\n
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Vy\u0161\u0161\u00ed teplota zpracov\u00e1n\u00ed a n\u00e1ro\u010dn\u011bj\u0161\u00ed po\u017eadavky na n\u00e1stroje<\/div>\n<\/td>\n
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Aplikace rotor\u016f s vysokou \u00fa\u010dinnost\u00ed<\/div>\n<\/td>\n<\/tr>\n
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Zinek<\/span><\/a><\/div>\n<\/td>\n
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Dobr\u00e1 sl\u00e9vatelnost a kvalita povrchu<\/div>\n<\/td>\n
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M\u00e9n\u011b b\u011b\u017en\u00fd pro rotory pracuj\u00edc\u00ed p\u0159i vysok\u00fdch teplot\u00e1ch<\/div>\n<\/td>\n
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Mal\u00e9 nebo specializovan\u00e9 aplikace<\/div>\n<\/td>\n<\/tr>\n
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Ho\u0159\u010d\u00edk<\/span><\/a><\/div>\n<\/td>\n
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N\u00edzk\u00e1 hmotnost<\/div>\n<\/td>\n
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Omezen\u00e9 pou\u017eit\u00ed v programech rotor\u016f<\/div>\n<\/td>\n
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Specializovan\u00e9 konstrukce citliv\u00e9 na hmotnost<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

Z pohledu n\u00e1kupu je v\u00fdb\u011br materi\u00e1lu rotoru kompromisem mezi vodivost\u00ed, vyrobitelnost\u00ed, \u017eivotnost\u00ed n\u00e1stroje a cenou. Nejvhodn\u011bj\u0161\u00ed varianta z\u00e1vis\u00ed na po\u017eadovan\u00fdch parametrech motoru a objemu v\u00fdroby.<\/p>\n

Kl\u00ed\u010dov\u00e9 procesn\u00ed faktory p\u0159i v\u00fdrob\u011b rotor\u016f<\/h2>\n

\"p\u0159esn\u00e1<\/p>\n

Proces lit\u00ed rotoru za\u010d\u00edn\u00e1 p\u0159\u00edpravou formy, manipulac\u00ed s vlo\u017ekou a \u0159\u00edzen\u00fdm nastaven\u00edm za\u0159\u00edzen\u00ed. Spr\u00e1vn\u00e9 proveden\u00edn\u00e1stroj\u016f<\/span><\/a> je z\u00e1sadn\u00ed, proto\u017ee forma mus\u00ed udr\u017eet svazek plech\u016f ve spr\u00e1vn\u00e9 poloze a zajistit \u00fapln\u00e9 zapln\u011bn\u00ed dr\u00e1\u017eek rotoru i dutin zkratovac\u00edch krou\u017ek\u016f. Proces pracuje se zat\u00ed\u017eenou vlo\u017ekou, nikoli s pr\u00e1zdnou dutinou, tak\u017ee p\u0159esnost ustaven\u00ed a opakovatelnost jsou obzvl\u00e1\u0161\u0165 d\u016fle\u017eit\u00e9. Mezi hlavn\u00ed po\u017eadavky pat\u0159\u00ed:<\/p>\n