Rage rabon amota mai kayatarwashine rabon saurin juyawa tsakanin na'urar rage (misali, gear planetary, gear worm, gear cylindrical, da dai sauransu) da kuma na'ura mai juyi akan mashin fitarwa na injin (yawanci rotor akan motar). Ana iya ƙididdige rabon ragi ta amfani da dabara mai zuwa:
Rage Ragewa = Saurin Shaft ɗin Fitarwa / Saurin Shaft ɗin Shigarwa
Inda saurin bututun fitarwa shine saurin bututun fitarwa bayan an rage shi ta na'urar rage saurin gudu, kuma saurin shigar da sauri shine saurin injin kanta.
Ana amfani da rabon raguwa don bayyana canjin saurin na'urar rage dangane da fitar da mota. Tun da gabaɗaya motar za ta fitar da sauri cikin sauri, a wasu aikace-aikacen ana buƙatar ƙaramin gudu don biyan buƙatu. Wannan shi ne indamota mai kayatarwaya zo cikin wasa, ta hanyar rage saurin mashin fitarwa ta hanyar na'urar rage don samar da saurin da ya dace.
Zaɓin ragi na raguwa yana buƙatar dogara ne akan buƙatun ainihin aikace-aikacen a gefe ɗaya, da ƙira da ƙira na ƙira namota mai kayatarwaa daya. A al'ada, ana iya ƙayyade raguwar rabon motar da aka yi amfani da shi bisa ga ƙimar saurin da ake bukata. Idan ana buƙatar fitarwa na babban juzu'i da ƙananan gudu, raguwar raguwa yana buƙatar zama mafi girma; yayin da idan ana buƙatar fitarwa na babban gudu da ƙananan karfin juyi, raguwar raguwa na iya zama ƙananan ƙananan.
Zaɓin ragi na raguwa ya kamata kuma yayi la'akari da tasiri akan aikin gabaɗaya namota mai kayatarwa. Mafi girman rabon raguwa, girman gabaɗaya da nauyi yawanci zai ƙaru, kuma yana iya samun wani tasiri akan ingancin injin da aka yi amfani da shi. Sabili da haka, buƙatun wutar lantarki, ƙayyadaddun girman girman, buƙatun nauyi, da inganci suna buƙatar la'akari yayin zabar rabon kaya.
Matsakaicin ragi na gearmotor gabaɗaya ana ƙaddara ta gwargwadon adadin adadin haƙoran gears ko kayan tsutsa a cikin sashin ragewa. Alal misali, idan gears a kan raƙuman fitarwa na raƙuman raguwa sun ninka sau 10 fiye da gears a kan shingen shigarwa, to, raguwar raguwar ita ce 10. Yawanci, raguwar raguwa shine ƙayyadaddun ƙima, amma a wasu lokuta na musamman za a iya daidaita wasu motocin da aka yi amfani da su don samar da raguwa daban-daban kamar yadda ake bukata.
Zaɓin ragi na raguwa yana da mahimmanci ga filin aikace-aikaceninjiniyoyi masu kayatarwa. Ana amfani da injinan da aka yi amfani da su sosai a cikin injuna da kayan aiki daban-daban, kamar kayan aikin injin, injina, injin bugu, injin injin iska, da dai sauransu. Aikace-aikace daban-daban suna buƙatar ragi daban-daban. Wasu aikace-aikacen suna buƙatar ƙimar raguwa mafi girma don samar da ƙarin juzu'i, yayin da wasu suna buƙatar ƙaramin ragi don samar da mafi girman gudu.
Baya ga raguwar ragi, injinan da aka yi amfani da su suna da wasu mahimman sigogin aiki, kamar saurin ƙididdigewa, ƙimar ƙarfin ƙarfi, ƙimar ƙarfin ƙarfi da sauransu. Waɗannan sigogi kuma suna buƙatar a yi la'akari da su gabaɗaya yayin zabar motar da aka haɗa. Sai kawai ta hanyar cikakkiyar fahimta da kuma zaɓin madaidaicin zaɓin ragi da sauran sigogin aiki za mu iya tabbatar da cewa injin da aka yi amfani da shi zai iya aiki da kyau a ƙarƙashin takamaiman yanayin aikace-aikacen kuma ya dace da bukatun mai amfani.
A takaice dai, raguwar ragi na injin da aka yi amfani da shi yana nufin rabon saurin juyawa tsakanin na'urar ragewa da na'ura mai jujjuyawa akan mashin fitarwa na motar. Zaɓin ragi na raguwa yana buƙatar dogara ne akan buƙatun aikace-aikacen, da kuma tasiri akan aikin gaba ɗaya na injin da aka tsara don cikakken la'akari. Rage rabon injin da aka yi amfani da shi yana ɗaya daga cikin mahimman sigogin da ke shafar saurin fitarwa da ƙarfi, wanda ke da mahimmanci ga aiki da aikin kayan aikin injiniya daban-daban.
Lokacin aikawa: Fabrairu-28-2024