{"id":18137,"date":"2026-06-24T09:33:21","date_gmt":"2026-06-24T01:33:21","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=18137"},"modified":"2026-10-08T21:07:29","modified_gmt":"2026-10-08T13:07:29","slug":"rotor-die-casting-guide-materials-process-supplier-tips","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/sk\/blog\/rotor-die-casting-guide-materials-process-supplier-tips\/","title":{"rendered":"Sprievodca tlakov\u00fdm liat\u00edm rotorov: materi\u00e1ly, proces a v\u00fdber dod\u00e1vate\u013ea"},"content":{"rendered":"

Tlakov\u00e9 liatie rotorov<\/span>\u00a0 je \u0161pecializovan\u00fd v\u00fdrobn\u00fd proces, pri ktorom sa vstreknut\u00edm roztaven\u00e9ho kovu naraz vytvoria hlavn\u00e9 komponenty rotora \u2014 vodiv\u00e9 ty\u010de a \u010deln\u00e9 kruhy. Pre in\u017einierov OEM a n\u00e1kupn\u00e9 t\u00edmy ide o sp\u00f4sob, ako dosiahnu\u0165 stabiln\u00fa vodivos\u0165, n\u00edzku p\u00f3rovitos\u0165, dobr\u00e9 vyv\u00e1\u017eenie a opakovate\u013en\u00fa rozmerov\u00fa presnos\u0165.<\/p>\n

Na rozdiel od be\u017en\u00fdch odliatkov sp\u00e1jaj\u00fa rotory elektrick\u00e9, mechanick\u00e9 a rozmerov\u00e9 po\u017eiadavky v jednom komponente, \u010do si vy\u017eaduje d\u00f4sledn\u00fa kontrolu p\u00f3rovitosti<\/span><\/a>\u00a0 , s\u00faosovosti a stability procesu. V tomto \u010dl\u00e1nku zd\u00f4razn\u00edme \u0161pecifick\u00e9 po\u017eiadavky tlakov\u00e9ho liatia rotorov, sp\u00f4soby ich splnenia spr\u00e1vnymi postupmi a napokon aj v\u00fdber vhodn\u00e9ho dod\u00e1vate\u013ea tlakovo liatych rotorov.<\/p>\n

\u010c\u00edm sa v\u00fdroba rotorov l\u00ed\u0161i<\/h2>\n

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

Rotory sa skladaj\u00fa z vrstven\u00e9ho zv\u00e4zku tenk\u00fdch lamiel z elektrotechnickej ocele s dr\u00e1\u017ekami po vonkaj\u0161om obvode. Po\u010das odlievania roztaven\u00fd kov vypln\u00ed tieto dr\u00e1\u017eky, vytvor\u00ed vodiv\u00e9 ty\u010de a spoj\u00ed ich \u010deln\u00fdmi kruhmi na oboch koncoch zv\u00e4zku. Vznikne tak klietkov\u00e1 kon\u0161trukcia, ktor\u00e1 sa pou\u017e\u00edva vo v\u00e4\u010d\u0161ine rotorov induk\u010dn\u00fdch motorov.<\/p>\n

Pre t\u00fato geometriu si tlakov\u00e9 liatie rotorov vy\u017eaduje d\u00f4slednej\u0161ie riadenie ne\u017e mnoh\u00e9 \u0161tandardn\u00e9 projekty tlakov\u00e9ho liatia. Proces mus\u00ed zabezpe\u010di\u0165 \u00fapln\u00e9 vyplnenie dr\u00e1\u017eok, stabiln\u00e9 vytvorenie \u010deln\u00fdch kruhov, n\u00edzku vn\u00fatorn\u00fa p\u00f3rovitos\u0165 a konzistentn\u00e9 vyv\u00e1\u017eenie rotora.<\/p>\n

Be\u017en\u00e9 materi\u00e1ly na tlakov\u00e9 liatie rotorov<\/h2>\n

Hlin\u00edk je najbe\u017enej\u0161\u00edm materi\u00e1lom na tlakov\u00e9 liatie rotorov, preto\u017ee pon\u00faka praktick\u00fa rovnov\u00e1hu vodivosti, zlievate\u013enosti, hmotnosti a efektivity v\u00fdroby. Zost\u00e1va \u0161tandardnou vo\u013ebou pre mnoh\u00e9 projekty induk\u010dn\u00fdch motorov.<\/p>\n

Me\u010f m\u00e1 vy\u0161\u0161iu vodivos\u0165 a m\u00f4\u017ee podpori\u0165 vy\u0161\u0161iu \u00fa\u010dinnos\u0165 motora, no jej s\u00e9riov\u00e9 odlievanie je n\u00e1ro\u010dnej\u0161ie, preto\u017ee vy\u017eaduje vy\u0161\u0161ie teploty spracovania a viac za\u0165a\u017euje n\u00e1stroje.<\/p>\n

Zinok sa \u010dastej\u0161ie pou\u017e\u00edva v men\u0161\u00edch aplik\u00e1ci\u00e1ch s ni\u017e\u0161ou teplotou, kde z\u00e1le\u017e\u00ed na zlievate\u013enosti a kvalite povrchu.<\/p>\n

Hor\u010d\u00edk sa objavuje len v obmedzen\u00fdch n\u00e1vrhoch, pri ktor\u00fdch je prioritou n\u00edzka hmotnos\u0165.<\/p>\n

\n
\n
\n
\n
\n
\n\n\n\n\n\n\n\n\n
\n
Materi\u00e1l<\/div>\n<\/th>\n
\n
Hlavn\u00e1 v\u00fdhoda<\/div>\n<\/th>\n
\n
Hlavn\u00e9 obmedzenie<\/div>\n<\/th>\n
\n
Typick\u00e9 pou\u017eitie<\/div>\n<\/th>\n<\/tr>\n<\/thead>\n
\n
Hlin\u00edk<\/span><\/a><\/div>\n<\/td>\n
\n
Dobr\u00e1 rovnov\u00e1ha vodivosti, zlievate\u013enosti, hmotnosti a ceny<\/div>\n<\/td>\n
\n
Ni\u017e\u0161ia vodivos\u0165 ne\u017e pri medi<\/div>\n<\/td>\n
\n
V\u00e4\u010d\u0161ina projektov rotorov induk\u010dn\u00fdch motorov<\/div>\n<\/td>\n<\/tr>\n
\n
Me\u010f<\/span><\/a><\/div>\n<\/td>\n
\n
Vy\u0161\u0161ia vodivos\u0165<\/div>\n<\/td>\n
\n
Vy\u0161\u0161ia teplota spracovania a n\u00e1ro\u010dnej\u0161ie po\u017eiadavky na n\u00e1stroje<\/div>\n<\/td>\n
\n
Aplik\u00e1cie rotorov s vysokou \u00fa\u010dinnos\u0165ou<\/div>\n<\/td>\n<\/tr>\n
\n
Zinok<\/span><\/a><\/div>\n<\/td>\n
\n
Dobr\u00e1 zlievate\u013enos\u0165 a kvalita povrchu<\/div>\n<\/td>\n
\n
Menej be\u017en\u00fd pri rotoroch pracuj\u00facich pri vysok\u00fdch teplot\u00e1ch<\/div>\n<\/td>\n
\n
Mal\u00e9 alebo \u0161pecializovan\u00e9 aplik\u00e1cie<\/div>\n<\/td>\n<\/tr>\n
\n
Hor\u010d\u00edk<\/span><\/a><\/div>\n<\/td>\n
\n
N\u00edzka hmotnos\u0165<\/div>\n<\/td>\n
\n
Obmedzen\u00e9 pou\u017eitie v projektoch rotorov<\/div>\n<\/td>\n
\n
\u0160pecializovan\u00e9 aplik\u00e1cie citliv\u00e9 na hmotnos\u0165<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

Z poh\u013eadu n\u00e1kupcu je v\u00fdber materi\u00e1lu rotora kompromisom medzi vodivos\u0165ou, vyrobite\u013enos\u0165ou, \u017eivotnos\u0165ou n\u00e1strojov a n\u00e1kladmi. Najlep\u0161ia vo\u013eba z\u00e1vis\u00ed od po\u017eadovan\u00e9ho v\u00fdkonu motora a objemu v\u00fdroby.<\/p>\n

K\u013e\u00fa\u010dov\u00e9 faktory procesu v\u00fdroby rotorov<\/h2>\n

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

Proces odlievania rotora sa za\u010d\u00edna pr\u00edpravou formy, manipul\u00e1ciou s vlo\u017ekami a riaden\u00fdm nastaven\u00edm. Spr\u00e1vne \u00a0n\u00e1stroje<\/span><\/a>\u00a0 s\u00fa z\u00e1sadn\u00e9, preto\u017ee forma mus\u00ed dr\u017ea\u0165 zv\u00e4zok lamiel v spr\u00e1vnej polohe a umo\u017eni\u0165 \u00fapln\u00e9 vyplnenie dr\u00e1\u017eok rotora aj dut\u00edn \u010deln\u00fdch kruhov. Ke\u010f\u017ee proces pracuje s vlo\u017een\u00fdm zv\u00e4zkom, nie s pr\u00e1zdnou dutinou, v\u00fdroba rotorov je citlivej\u0161ia na zarovnanie a tepeln\u00fa regul\u00e1ciu ne\u017e be\u017en\u00e9 tlakov\u00e9 liatie.<\/p>\n

Medzi najd\u00f4le\u017eitej\u0161ie faktory procesu zvy\u010dajne patria:<\/p>\n