Dangantakar da ke tsakanin ikon motar, saurin gudu da juzu'i

Manufar iko shine aikin da aka yi a kowane lokaci naúrar.Ƙarƙashin yanayin wani iko, mafi girma da sauri, ƙananan juzu'i, kuma akasin haka.Misali, irin wannan motar 1.5kw, karfin fitarwa na mataki na 6 ya fi na mataki na 4th girma.Hakanan za'a iya amfani da dabarar M=9550P/n don m lissafi.

 

Domin AC Motors: rated jujjuya = 9550 * rated ikon / rated gudun;ga motocin DC, ya fi damuwa saboda akwai nau'ikan da yawa.Wataƙila saurin jujjuyawar ya yi daidai da ƙarfin ƙarfin hannu kuma ya yi daidai da ƙarfin ƙarfin kuzari.Torque yayi daidai da jujjuyawar filin da kuma ƙarfin halin yanzu.

 

  • Daidaita ƙarfin wutar lantarki a cikin ƙa'idar saurin DC yana cikin ƙa'idodin saurin juzu'i na yau da kullun (ƙarfin fitarwa na injin ba ya canzawa).
  • Lokacin daidaita ƙarfin ƙarfin kuzari, yana cikin tsarin saurin wutar lantarki akai-akai (ikon fitarwa na injin ba ya canzawa).

T = 9.55 * P / N, T fitarwa karfin juyi, P ikon, N gudun, da mota load ya kasu kashi m iko da transverse karfin juyi, m karfin juyi, T ya kasance ba canzawa, sa'an nan P da N ne daidai.The load ne akai iko, sa'an nan T da N ne m inversely gwargwado.

 

Torque = 9550 * saurin fitarwa / fitarwa

Wuta (Watts) = Gudun (Rad/sec) x Torque (Nm)

 

A gaskiya, babu abin da za a tattauna, akwai wata dabara P=Tn/9.75.Naúrar T shine kg · cm, da juzu'i = 9550 * saurin fitarwa / fitarwa.

 

Ƙarfin yana da tabbas, gudun yana da sauri, kuma ƙarfin yana da ƙananan.Gabaɗaya, lokacin da ake buƙatar babban juzu'i, ban da mota mai ƙarfi, ana buƙatar ƙarin mai ragewa.Ana iya fahimta ta wannan hanyar cewa lokacin da ikon P ya kasance baya canzawa, mafi girma da sauri, ƙananan ƙarfin fitarwa.

 

Za mu iya lissafta shi kamar haka: idan kun san juriya na T2 na kayan aiki, ƙimar n1 na motar, gudun n2 na kayan fitarwa, da tsarin kayan aiki f1 (wannan f1 za'a iya bayyana shi bisa ga ainihin ainihin. Yanayin aiki akan rukunin yanar gizon, yawancin na cikin gida suna sama da 1.5) da kuma ƙarfin factor m na motar (wato, ƙimar ƙarfin aiki zuwa ƙarfin duka, wanda za'a iya fahimtar shi azaman ramin cikakken ƙimar a cikin iskar motar, gabaɗaya. a 0.85), muna ƙididdige ƙarfin motar sa P1N.P1N>=(T2*n1)*f1/(9550*(n1/n2)*m) domin samun karfin injin da kake son zaba a wannan lokaci.
Misali: karfin jujjuyawar da kayan aiki ke buƙata shine: 500N.M, aikin shine awanni 6 / rana, kuma ana iya zaɓar coefficient na kayan aiki mai ƙarfi f1 = 1 tare da madaidaicin kaya, mai ragewa yana buƙatar shigarwa na flange, da saurin fitarwa. n2=1.9r/min Sai rabo:

n1/n2=1450/1.9=763 (ana amfani da mota mai hawa hudu anan), don haka: P1N>=P1*f1=(500*1450)*1/(9550*763*0.85)=0.117(KW) Don haka mu Gabaɗaya Zaɓi rabon saurin 0.15KW shine kusan 763 isa don magancewa
T = 9.55 * P / N, T fitarwa karfin juyi, P ikon, N gudun, da mota load ya kasu kashi m iko da transverse karfin juyi, m karfin juyi, T ya kasance ba canzawa, sa'an nan P da N ne daidai.The load ne akai iko, sa'an nan T da N ne m inversely gwargwado.

Lokacin aikawa: Juni-21-2022