Kutentha kwamphamvu ndi gawo lachilengedwe la ntchito yawo. Kawirikawiri, kunyamula kudzakwaniritsa chikhalidwe cha kutentha komwe kutentha komwe kumapangidwa kumakhala kofanana ndi kutentha komwe kumatayidwa, motero kusunga kutentha kosasunthika mkati mwa dongosolo lonyamula katundu.
Kutentha kwakukulu kovomerezeka kwa mayendedwe amoto kumayikidwa pa 95 ° C, poganizira zakuthupi ndi mafuta omwe amagwiritsidwa ntchito. Malirewa amaonetsetsa kuti dongosolo lonyamula katundu likhalebe lokhazikika popanda kuchititsa kutentha kwakukulu mu ma windings a motor coreless motor.
Zomwe zimayambitsa kutentha kwa ma bearings ndi kusakwanira kokwanira kokwanira kokwanira komanso kutulutsa kutentha kosakwanira. M'malo mwake, makina opangira mafuta amatha kufooka chifukwa cha zolakwika zosiyanasiyana zogwirira ntchito kapena kupanga.
Nkhani monga kusakwanira kwa chilolezo chonyamulira, zotayirira pakati pa chonyamulira ndi shaft kapena nyumba, zimatha kuyambitsa kuyenda molakwika; kusokonezeka kwakukulu chifukwa cha mphamvu za axial; ndi kusagwirizana koyenera ndi zigawo zofananira zomwe zimasokoneza mafuta, zonse zimatha kubweretsa kutentha kwambiri pakugwira ntchito kwagalimoto. Mafuta amatha kusweka ndi kulephera kutentha kwambiri, zomwe zimapangitsa kuti galimotoyo iwonongeke kwambiri. Chifukwa chake, kuwongolera koyenera komanso kuvomerezeka kwa magawo ndikofunikira pakupanga, kupanga, ndi kukonzanso magawo agalimoto.
Shaft current ndi chiwopsezo chosathawika cha ma motors akulu, makamaka ma mota othamanga kwambiri komanso osinthasintha. Zimayambitsa chiwopsezo chachikulu kumayendedwe amtundu wa ma coreless motors. Popanda kuchepetsa koyenera, makina onyamula amatha kuwonongeka mkati mwa masekondi chifukwa cha shaft current, zomwe zimapangitsa kuti ziwonongeke mkati mwa maola. Zizindikiro zoyamba za nkhaniyi zimaphatikizapo kuwonjezereka kwa phokoso ndi kutentha, kutsatiridwa ndi kulephera kwa mafuta ndipo, posakhalitsa, kuvala kumapangitsa kuti shaft igwire. Kuti athane ndi izi, ma mota amphamvu kwambiri, ma frequency-frequency, ndi low-voltage high-power motors amatsata njira zopewera pakupanga, kupanga, kapena magwiridwe antchito. Njira zodziwika bwino zimaphatikizapo kusokoneza madera (pogwiritsa ntchito ma insulated bearings, insulating end caps, etc.) ndi kusinthasintha kwapano (pogwiritsa ntchito maburashi a kaboni okhazikika kuti ayendetse pano kutali ndi kachitidwe).
Nthawi yotumiza: Nov-25-2024