Panthawi yopanga mankhwala, dipatimenti yofufuza zaumisiri ndi chitukuko idapeza kuti rotor inali ndi mawonekedwe owoneka bwino a vibration ikafika kusinthika kwa 100,000. Vutoli silimangokhudza kukhazikika kwa ntchito ya mankhwalawa, komanso likhoza kuopseza moyo wautumiki ndi chitetezo cha zipangizo. Kuti tiwunike mozama gwero la vutolo ndikupeza mayankho ogwira mtima, tidakonza zokambirana zaukadaulozi kuti tiphunzire ndikusanthula zifukwa zake.
1. Kusanthula kwa zinthu za rotor vibration
1.1 Kusalinganika kwa rotor yokha
Panthawi yopangira rotor, chifukwa cha kugawa kwazinthu zosagwirizana, zolakwika za makina olondola ndi zifukwa zina, likulu lake la misa silingafanane ndi likulu la kasinthasintha. Pozungulira pa liwiro lalikulu, kusalinganika kumeneku kumatulutsa mphamvu ya centrifugal, yomwe imayambitsa kugwedezeka. Ngakhale kugwedezekako sikukuwonekera pa liwiro lotsika, pamene liwiro likuwonjezeka kufika ku 100,000 revolutions, kusalinganika kwakung'ono kumakulitsidwa, zomwe zimapangitsa kuti kugwedezeka kukule.
1.2 Kugwira ntchito ndi kukhazikitsa
Kusankha kosayenera kwa mtundu wonyamulira: Mitundu yosiyanasiyana ya ma bereti imakhala ndi mphamvu zonyamula katundu, malire othamanga komanso mawonekedwe otsitsa. Ngati kunyamula kosankhidwa sikungathe kukwaniritsa zofunikira zothamanga kwambiri komanso zolondola kwambiri za rotor pakusintha kwa 100,000, monga mayendedwe a mpira, kugwedezeka kumatha kuchitika pa liwiro lalikulu chifukwa cha kukangana, kutentha ndi kuvala pakati pa mpira ndi mpikisano.
Kusakwanira kokwanira kwa kuyika kokwanira: Ngati kupatuka kwa coaxiality ndi verticality kwa chimbalangondo kuli kwakukulu pakuyika, rotor imayendetsedwa ndi mphamvu zowonjezera za radial ndi axial panthawi yozungulira, potero zimayambitsa kugwedezeka. Kuphatikiza apo, kunyamula kosayenera kumakhudzanso kukhazikika kwake. Kudzaza kwambiri kapena kusakwanira kungayambitse vuto la vibration.
1.3 Kukhazikika komanso kumveka kwa shaft system
Kusakwanira kolimba kwa dongosolo la shaft: Zinthu monga zakuthupi, m'mimba mwake, kutalika kwa shaft, ndi mapangidwe a zigawo zomwe zimagwirizanitsidwa ndi shaft zidzakhudza kukhazikika kwa shaft system. Pamene kulimba kwa shaft system kuli koyipa, shaftyo imakhala yopindika ndikupindika pansi pa mphamvu ya centrifugal yopangidwa ndi kusinthasintha kothamanga kwa rotor, komwe kumayambitsa kugwedezeka. Makamaka poyandikira ma frequency achilengedwe a shaft system, resonance imatha kuchitika, zomwe zimapangitsa kuti kugwedezeka kuchuluke kwambiri.
Vuto la Resonance: Dongosolo la rotor lili ndi ma frequency ake achilengedwe. Pamene liwiro la rotor lili pafupi kapena lofanana ndi ma frequency ake achilengedwe, resonance idzachitika. Pansi pa ntchito yothamanga kwambiri ya 100,000 rpm, ngakhale zokopa zazing'ono zakunja, monga mphamvu zopanda malire, kusokonezeka kwa mpweya, ndi zina zotero, kamodzi kofanana ndi maulendo achilengedwe a shaft system, kungayambitse kugwedezeka kwamphamvu kwa resonant.
1.4 Zinthu zachilengedwe
Kusintha kwa kutentha: Panthawi yothamanga kwambiri ya rotor, kutentha kwa dongosolo kumakwera chifukwa cha kutentha kwapakati ndi zifukwa zina. Ngati ma coefficients owonjezera amafuta azinthu monga shaft ndi kubereka ali osiyana, kapena kutentha kwapang'onopang'ono kumakhala koyipa, chilolezo choyenerera pakati pa zigawozo chidzasintha, ndikuyambitsa kugwedezeka. Kuphatikiza apo, kusinthasintha kwa kutentha kozungulira kungakhudzenso dongosolo la rotor. Mwachitsanzo, m'malo otsika kutentha, kukhuthala kwa mafuta opaka mafuta kumawonjezeka, zomwe zingakhudze mphamvu yamafuta a kubereka ndikuyambitsa kugwedezeka.
2. Mapulani opititsa patsogolo ndi njira zamakono
2.1 Rotor dynamic balance kukhathamiritsa
Gwiritsani ntchito zida zosinthira zolondola kwambiri kuti muwongolere bwino pa rotor. Choyamba, yesetsani kuyesa kofananira koyambirira pa liwiro lotsika kuti muyese kusalinganika kwa rotor ndi gawo lake, ndiyeno pang'onopang'ono muchepetse kusalinganika mwa kuwonjezera kapena kuchotsa zotsutsana pa malo enieni pa rotor. Pambuyo pomaliza kukonza koyambirira, rotor imakwezedwa ku liwiro lapamwamba la 100,000 kusintha kwa kusintha kosinthika kosinthika kuti zitsimikizire kuti kusalinganika kwa rotor kumayendetsedwa mkati mwazochepa kwambiri panthawi ya ntchito yothamanga kwambiri, motero kuchepetsa kugwedezeka komwe kumachitika chifukwa cha kusalinganika.
2.2 Kukhala ndi Kusankha Kukhathamiritsa ndi Kuyika Molondola
Yang'ananinso kusankha konyamula: Kuphatikizidwa ndi liwiro la rotor, katundu, kutentha kwa ntchito ndi zina zogwirira ntchito, sankhani mitundu yonyamula yomwe ili yoyenera kwambiri pakuchita ntchito yothamanga kwambiri, monga ma bere a ceramic mpira, omwe ali ndi ubwino wopepuka, kuuma kwakukulu. , coefficient yotsika, komanso kutentha kwambiri. Atha kupereka kukhazikika kwabwinoko komanso milingo yotsika yogwedezeka pa liwiro lalikulu la kusinthika kwa 100,000. Panthawi imodzimodziyo, ganizirani kugwiritsa ntchito ma bere okhala ndi makhalidwe abwino ochepetsetsa kuti azitha kuyamwa bwino ndi kupondereza kugwedezeka.
Limbikitsani kulondola kwa kukhazikitsa: Gwiritsani ntchito ukadaulo wapamwamba woyika ndi zida zoyikira zolondola kwambiri kuti muwongolere mosamalitsa zolakwika za coaxiality ndi verticality pakuyika konyamula mkati mwazochepa kwambiri. Mwachitsanzo, gwiritsani ntchito chida choyezera cha laser coaxiality kuti muwunikire ndikusintha njira yoyikiramo nthawi yeniyeni kuti muwonetsetse kulondola kofananira pakati pa shaft ndi kunyamula. Pankhani ya kunyamula preload, molingana ndi mtundu ndi mikhalidwe yeniyeni yogwirira ntchito, dziwani mtengo wolozera woyenerera kudzera pakuwerengera molondola ndi kuyesa, ndikugwiritsa ntchito chida chapadera chojambuliratu kuti mugwiritse ntchito ndikusintha kuyikako kuti mutsimikizire kukhazikika kwa mayendedwe nthawi yayitali. -ntchito yothamanga.
2.3 Kulimbikitsa kukhazikika kwa shaft system ndikupewa kumveka
Kuwongolera kapangidwe ka shaft system: Kupyolera mu kusanthula kwazinthu zomalizidwa ndi njira zina, mawonekedwe a shaft amakongoletsedwa ndikupangidwa, ndipo kulimba kwa shaft system kumapangidwa bwino ndikuwonjezera kukula kwa shaft, pogwiritsa ntchito zida zamphamvu kwambiri kapena kusintha magawo ozungulira. mawonekedwe a shaft, kuti muchepetse kupindika kwa shaft panthawi yozungulira kwambiri. Panthawi imodzimodziyo, mapangidwe a zigawo za shaft amasinthidwa momveka bwino kuti achepetse mawonekedwe a cantilever kuti mphamvu ya shaft system ikhale yofanana.
Kusintha ndikupewa ma frequency a resonance: Kuwerengera molondola ma frequency achilengedwe a shaft system, ndikusintha ma frequency achilengedwe a shaft system posintha magawo a shaft system, monga kutalika, m'mimba mwake, zotanuka modulus zazinthu, ndi zina zambiri. , kapena kuwonjezera ma dampers, ma shock absorbers ndi zida zina ku shaft system kuti isakhale kutali ndi liwiro logwira ntchito la rotor (100,000 rpm) kupewa zomwe zingachitike. wa resonance. Mugawo la kapangidwe kazinthu, ukadaulo wowunikira modal ungagwiritsidwenso ntchito kulosera zovuta zomwe zingachitike ndikuwongolera mapangidwewo pasadakhale.
2.4 Kuwongolera chilengedwe
Kuwongolera kutentha ndi kasamalidwe ka kutentha: Pangani njira yoyenera yochepetsera kutentha, monga kuwonjezera masinki otentha, kugwiritsa ntchito kuziziritsa mpweya mokakamiza kapena kuzizira kwamadzimadzi, kuti mutsimikizire kukhazikika kwa kutentha kwa rotor panthawi yogwira ntchito kwambiri. Kuwerengera molondola ndi kubwezera kuwonjezereka kwa kutentha kwa zigawo zikuluzikulu monga ma shafts ndi ma bere, monga kugwiritsa ntchito mipata yowonjezera yowonjezera kutentha kapena kugwiritsa ntchito zipangizo zomwe zili ndi ma coefficients ofananira ndi kutentha, kuti muwonetsetse kuti kufanana pakati pa zigawozo sikukhudzidwa pamene kutentha kumasintha. Panthawi imodzimodziyo, panthawi yogwiritsira ntchito zipangizo, fufuzani kutentha kwa nthawi yeniyeni, ndikusintha kutentha kwa kutentha kwa nthawi kudzera mu dongosolo loyendetsa kutentha kuti mukhalebe kutentha kwa dongosolo.
3. Mwachidule
Ofufuza a Hangzhou Magnet Power Technology Co., Ltd. adasanthula mwatsatanetsatane komanso mozama zinthu zomwe zimakhudza kugwedezeka kwa rotor ndikuzindikira zomwe zimayambitsa kusalinganika kwa rotor, kunyamula ndi kuyika, kulimba kwa shaft ndi kumveka, zochitika zachilengedwe ndi sing'anga yogwirira ntchito. Poyankha pazifukwa izi, ndondomeko zingapo zowongolera zidaperekedwa ndipo njira zofananira zaukadaulo zidafotokozedwa. Pakafukufuku wotsatira ndi chitukuko, ogwira ntchito ku R & D adzagwiritsa ntchito ndondomekozi pang'onopang'ono, kuyang'anitsitsa kugwedezeka kwa rotor, ndikukonzekera bwino ndikusintha malinga ndi zotsatira zenizeni kuti zitsimikizire kuti rotor ikhoza kugwira ntchito mokhazikika komanso modalirika panthawi yogwira ntchito kwambiri. , kupereka chitsimikizo champhamvu pakuwongolera magwiridwe antchito komanso luso laukadaulo lazinthu zamakampani. Kukambitsirana kwaukadaulo kumeneku sikungowonetsa mzimu wa ogwira ntchito ku R&D wothana ndi zovuta, komanso zikuwonetsa kutsindika kwa kampani pazabwino zazinthu. Hangzhou Magnet Power Technology Co., Ltd. yadzipereka kupatsa kasitomala aliyense mtundu wapamwamba kwambiri, mtengo wabwinoko komanso zinthu zabwino kwambiri, kungopanga zinthu zoyenera makasitomala ndikupanga mayankho aukadaulo amodzi!
Nthawi yotumiza: Nov-22-2024
