- Kodi mayunitsi owerengera amtengo wa vibration yamoto ndi chiyani? Momwe mungamvetsetse mayunitsi awa?
The ambiri ntchito mayunitsi muyeso wa galimoto kugwedera mtengo ndi liwiro ogwira mtengo (wotchedwa liwiro), kugwedera matalikidwe mtengo (otchedwa matalikidwe, anawagawa limodzi matalikidwe ndi iwiri matalikidwe) ndi kugwedera mathamangitsidwe. Yoyamba imagwiritsidwa ntchito kwambiri.
"Liwiro logwira ntchito" limatha kumveka ngati mtunda wosunthidwa ndi zinthu zogwedezeka (zomwe zitha kuwonedwa ngati mfundo) mu nthawi imodzi. W ndi mtunda umene zinthu zogwedezeka zimagwedezeka mmbuyo ndi mtsogolo pamalo amodzi ndipo sizisuntha kupita kumalo ena. Choncho, zomwe zimatchedwa "kusuntha mtunda" zikhoza kukhala njira yofotokozera, kotero mawu oti "ogwira ntchito" kapena "ofanana" amagwiritsidwa ntchito kuti afotokoze. Zingaganizidwe kuti mtengo wa liwiro la kugwedezeka umagwirizana ndi mtunda wa matalikidwe a kugwedezeka (kutalika kwa malo apakati) a malo ogwedezeka. Kuphatikiza apo, zimagwirizana ndi kuchuluka kwa kugwedezeka (chiwerengero cha kugwedezeka mmbuyo ndi mtsogolo mu nthawi yama unit) ndipo ndizofanana; Nthawi zambiri, mm / s amagwiritsidwa ntchito ngati unit.
Malo ogwedezeka ndi tinthu tating'onoting'ono tomwe timayenda mmbuyo ndi mtsogolo mbali ziwiri. Mukagwedezeka, mtunda wautali kuchokera pamalo apakati umatchedwa matalikidwe. Mtunda waukulu munjira imodzi umatchedwa matalikidwe amodzi, ndipo mtunda wapakati pa mfundo zakutali kwambiri munjira ziwiri umatchedwa matalikidwe apawiri - nthawi zambiri mu mm kapena μm.
Kuthamanga kwa vibration ndiko kuwonjezeka kwa liwiro pa nthawi ya unit M, nthawi zambiri m / s2.
- Ndi ziti pazigawo ziwiri za liwiro logwira ntchito komanso matalikidwe a mtengo wogwedezeka womwe uli bwino? Kodi pali ubale wotembenuka pakati pawo?
Monga tafotokozera pamwambapa, matalikidwe amtengo wapatali amangowonetsa kukula kwa kugwedezeka kwa matalikidwe, pamene liwiro logwira ntchito likuwonetseratu kukula kwa kugwedezeka kwa matalikidwe ndi liwiro la kugwedezeka. Kuchuluka kwa kuwonongeka komwe kumachitika chifukwa cha kugwedezeka kwa injini yokha ndi zida zofananira zimagwirizana ndi matalikidwe ndi ma frequency (liwiro la swing). Chifukwa chake, ndikofunikira kwambiri komanso kofunikira kwambiri kugwiritsa ntchito liwiro la kugwedezeka kuti muwone kukula kwa kugwedezeka kwa injini. Ichinso ndichifukwa chake mtengo wogwira ntchito nthawi zambiri umagwiritsidwa ntchito ngati muyeso wa kugwedezeka pamiyezo yoyenera yapadziko lonse lapansi komanso yapanyumba.
Chifukwa zinthu kupanga miyeso iwiri ya liwiro ndi matalikidwe si chimodzimodzi, liwiro ali ndi kugwedera pafupipafupi kuposa matalikidwe. Kwa kuthamanga induction motor,kugwedezeka kwafupipafupi sikumodzi, ndipo nthawi zina kumakhala kovuta kwambiri, ndi ma frequency apamwamba opangidwa ndi ma eleto-magnetics ndi ma frequency apakati ndi otsika opangidwa ndi makina.
Choncho, palibe mgwirizano wokhazikika wa kutembenuka pakati pa awiriwo, koma kawirikawiri, pamene matalikidwe ndi aakulu, kuthamanga kwa kugwedezeka kudzawonjezeka moyenerera.
- Zifukwa zomwe zimapangitsa kugwedezeka kwakukulu kwa injini:
(1) Ma bearings ogulidwa ndi abwino kwambiri ndipo sakukwaniritsa miyezo yabwino. Msonkhanowo sunapangidwe malinga ndi zofunikira za ndondomekoyi, zomwe zimayambitsa mapindikidwe chifukwa cha zotsatira. Kulekerera kwa chipinda chonyamulira cha chivundikiro chakumapeto kwa mota ndikosamveka, kolimba kwambiri kapena kotayirira. Panthawiyi, njira yosavuta ndiyo kugwiritsa ntchito nyundo kugogoda pang'onopang'ono pa olamulira kuti muwone ngati pali kusintha kulikonse.
(2) Chifukwa cha kuyimitsidwa kwakukulu kwa chivundikiro chonyamulira kapena kasupe woweyula ndi wovuta kwambiri, zotengera kumbali zonse ziwiri zimakakamira. Pa nthawi imeneyi, kugwedezeka kwamagawo atatu asynchronous motornthawi zambiri imakhala yokwera kwambiri, ndipo phokoso la "buzzing" nthawi zambiri limatuluka.
(3) Kuthamanga kwamphamvu kwa rotor sikulondola, ndipo kulondola sikukwanira.
(4) Mpweya wa mpweya pakati pa stator ndi rotor ndi wosagwirizana, ndipo pali chodabwitsa chapafupi.
(5) Rotor yathyoka, ndipo katundu wamakono adzagwedezeka panthawi inayake.
(6) Theinjini yamagetsiphazi ndi losagwirizana, kapena silinakhazikitsidwe mokhazikika ndi zida zonyamula katundu.