- Ndeapi mayuniti ekuverenga emotor vibration value? Nzira yekunzwisisa sei zvikamu izvi?
Iwo anowanzo shandiswa kuyerwa mayuniti emota vibration kukosha ndeyekumhanya kunoshanda kukosha (kunonzi kumhanya), vibration amplitude kukosha (inonzi amplitude, yakakamurwa kuita imwechete amplitude uye kaviri amplitude) uye vibration kukurumidza. Yekutanga inoshandiswa zvakanyanya.
"Kumhanya kunoshanda kukosha" kunogona kungonzwisiswa sechinhambwe chinofambiswa nezvinhu zvinozunguza (izvo zvinogona kutorwa sepoindi) munguva yeyuniti. W ndiyo chinhambwe icho chinhu chinozunguzika chinotenderera chichienda mberi nekudzoka munzvimbo imwe uye haifambi kuenda kune dzimwe nzvimbo. Naizvozvo, iyo inonzi "chinhambwe chakafambiswa" inogona kungova nzira yekutsanangura, saka mazwi ekuti "inoshanda" kana "yakaenzana" anoshandiswa kuenderera mberi nekuitsanangura. Zvinogona kufungidzira kuti kukosha kwekuvhima kumhanya kune hukama nehunhambwe hwekuzunguza amplitude (chinhambwe kubva panzvimbo yepakati) yenzvimbo yekuzunguza. Pamusoro pezvo, zvine hukama neiyo frequency yevibration (nhamba yekuzununguka kumashure nekudzoka munguva yeyuniti) uye inoenderana; kazhinji mm/s inoshandiswa seyuniti.
Iyo vibration point ichidimbu chinotenderera kumashure nekudzoka munzira mbiri. Kana uchidzungaira, kureba kureba kubva panzvimbo yepakati inonzi amplitude. Chinhambwe chikuru munzira imwe chete chinonzi amplitude imwe chete, uye chinhambwe chiri pakati pemapoinzi ari kure mumativi maviri chinodaidzwa kuti maamplitude maviri - kazhinji mumm kana μm.
Vibration acceleration ndiko kuwedzera kwevelocity per unit nguva M, kazhinji mu m/s2.
- Ndeupi weaya maviri kukosha kwekumhanya kunoshanda kukosha uye amplitude yeiyo vibration kukosha kuri nani? Pane hukama hwekutendeuka pakati pavo here?
Sezvambotaurwa pamusoro apa, iyo amplitude kukosha inongoratidzira saizi yekuzunguza amplitude, nepo kumhanya kunoshanda ukoshi kunoratidza ese saizi yekuswing amplitude uye nekumhanyisa kwekuzunguza. Iyo dhigirii rekukuvara kunokonzerwa nekuzunguzika kumota pachayo uye zvine chekuita nemidziyo ine hukama neamplitude uye frequency (kumhanya kwekuswing). Naizvozvo, ine chinangwa chakanyanya uye chakanyanya kukosha kushandisa iyo vibration yekumhanyisa kuongorora saizi yehuwandu hwekuzunguza kwemota. Ichi zvakare chikonzero nei kukosha kwekukurumidza kunoshanda kuchiwanzo shandiswa seyero yekuyeresa yekuyera mune akakodzera epasirese uye epamba zviyero.
Nekuti mamiriro ekugadzira iwo maviri ehuwandu hwekumhanya uye amplitude haana kunyatsofanana, kumhanya kune imwezve vibration frequency kupfuura amplitude. Zvekumhanya induction mota,iyo vibration frequency haisi imwe chete, uye dzimwe nguva yakaoma kwazvo, iine ese ari maviri mafrequency anogadzirwa neelecto-magnetics uye epakati uye yakaderera ma frequency anogadzirwa nemichina.
Naizvozvo, hapana hukama hwakagadziriswa hwekushandura pakati pezviviri, asi kazhinji kutaura, kana amplitude yakakura, kumhanya kwevibration kuchawedzerawo zvinoenderana.
- Zvinokwanisika zvikonzero zvekuzunguza kukuru kwemota:
(1) Mabhengi akatengwa ndeemhando yakashata uye haaenderane nemhando yemhando. Iyo gungano haiitwe zvinoenderana nezvinodiwa nemaitiro, zvichikonzera deformation nekuda kwekukanganisa. Kushivirira kwekamuri yekutakura yemota yekupedzisira chivharo haina musoro, yakanyanya kusimba kana yakasununguka. Panguva ino, nzira iri nyore ndeyekushandisa sando kugogodza zvinyoro nyoro paaxis kuti uone kana paine kuvandudzwa.
(2) Nekuda kwekumira kwepamusoro kwechifukidziro chekutakura kana kuti wave chitubu chakanyanya kuoma, mabearings kumativi ese ari maviri anonamira. Panguva ino, vibration yematatu chikamu asynchronous motainowanzokwira, uye "buzzing" inzwi rinowanzobudiswa.
(3) Chiyero chemagetsi che rotor hachina kururama, uye kururamisa hakuna kukwana.
(4) Mhepo yemhepo pakati pe stator ne rotor haina kuenzana, uye pane chiitiko chinotsvaira chemunharaunda.
(5) Rotor yakatyoka, uye mutoro wazvino unozungunuka pane imwe nguva.
(6) Themota yemagetsitsoka haina kuenzana, kana haina kuisirwa concentrically nemidziyo yemutoro.