Muhimmin aikin faifan birki na gaba a cikin tsarin birki na mota
A tsarin birki na mota, faifan birki na gaba yana ɗaya daga cikin mahimman abubuwan da ke tabbatar da amincin tuƙi, kuma yana ɗaukar matsin birki fiye da faifan birki na baya. A cewar ƙididdiga, yayin birki na abin hawa, faifan birki na gaba yana buƙatar ɗaukar kashi 70%-80% na ƙarfin birki. Wannan ya faru ne saboda yanayin zahiri da cibiyar nauyi ta abin hawa ke canzawa gaba yayin birki - nauyin ɓangaren gaba na abin hawa ba zato ba tsammani ya ƙaru zuwa kusan kashi 70% na jimlar nauyin abin hawa. Faifan birki na gaba dole ne ya canza kuzarin motsi na abin hawa zuwa makamashin zafi ta hanyar gogayya mai ƙarfi tare da faifan birki, wanda zai kai ga raguwa ko tsayawa cikin sauri.
Aikin faifan birki na gaba ba wai kawai "rage gudu" ba ne; shi ma babban abin ɗaukar nauyi ne don ingantaccen aikin tsarin birki. Ita ce babbar dandamali don canza kuzarin motsi, samar da zafi ta hanyar gogayya don cinye inertia na abin hawa; a lokaci guda, yawancin faifan birki na gaba suna ɗaukar ƙirar diski mai iska, tare da tsari mai rami wanda zai iya hanzarta jigilar iska da kuma wargaza zafin jiki mai girma na 500-700℃ da sauri wanda gogayya ta haifar, yana guje wa gazawar birki da rage zafi ke haifarwa; haka nan, ita ce tashar aiwatarwa ta tsarin taimako na lantarki kamar ABS, tana aiki tare da na'urori masu auna sigina don daidaita ƙarfin birki a ainihin lokaci don tabbatar da cewa ƙafafun ba su kulle ba yayin birki na gaggawa da kuma kula da daidaiton sarrafa abin hawa.
Idan aka kwatanta da faifan birki na baya, ƙirar faifan birki na gaba tana mai da hankali sosai kan daidaitawar aiki. Yawanci, diamita na faifan birki na gaba ya fi girma, kamar faifan birki na gaba na Corolla mai diamita na 287mm, yayin da faifan baya shine 255mm kawai. Babban yankin gogayya na iya samar da ƙarin ƙarfin birki; kayan galibi suna amfani da ƙarfe mai launin toka na HT200 ko HT250, kuma wasu samfuran masu tsayi suna amfani da ƙarfe mai ƙarfe don tabbatar da isasshen ƙarfi da juriya a yanayin zafi mai yawa da matsin lamba mai yawa; a tsarin tsari, yawancin faifan birki na gaba suna da calipers na piston biyu, waɗanda zasu iya amfani da ƙarfin birki daidai gwargwado kuma su dace da yanayin birki akai-akai kamar tafiye-tafiye a birane da tuƙi a tsaunuka.
Kurakurai da dalilan da suka fi yawa na faifan birki na gaba
Girgizar birki da amo mara kyau
Wannan shine mafi yawan bayyanar kurakuran da ke faruwa a faifan birki na gaba, galibi saboda karkacewar saman faifan. A bisa ga ƙa'idodin masana'antu, lokacin da kuskuren saman aiki na faifan birki ya wuce 0.05mm, yankin hulɗa tsakanin faifan birki da saman faifan zai canza lokaci-lokaci tare da juyawar faifan, wanda ke haifar da canjin karfin birki, sannan daga baya ya haifar da girgizar sitiyari da girgizar jiki. Birki na gaggawa akai-akai yana ɗaya daga cikin manyan abubuwan da ke haifar da hakan. A lokacin birki, zafin saman faifan yana ƙaruwa zuwa sama da 600℃, kuma saman faifan yana fuskantar lalacewar zafi a ƙarƙashin zafin jiki mai yawa; lalacewar ramuka, matakai, ko matsewar karfin juyi mara kyau a lokacin shigarwa na iya ƙara ta'azzara karkacewar sararin samaniya.
Abubuwan da ke haifar da hayaniya mara kyau sun fi bambanta: tsatsa ko tarin datti a saman faifan birki, idan ya shafa a kan faifan birki, zai haifar da ƙarar goge ƙarfe mai kaifi; lokacin da faifan birki ya lalace har zuwa kauri mai iyaka, farantin baya na ƙarfe zai shiga kai tsaye da faifan, yana fitar da ƙara mara kyau akai-akai; ƙari, faifan birki mai laushi da sukurori na cibiya, ko daidaitawa mara kyau na tsarin birki, wanda ke haifar da tazara mara kyau tsakanin faifan birki da saman faifan, shi ma yana iya haifar da ƙara mara kyau a lokaci-lokaci.
Lalacewar zafi da raguwar aiki
A lokacin tuƙi mai ci gaba da saukowa ko kuma birki na gaggawa akai-akai, faifan birki na gaba yana ci gaba da kasancewa a yanayin zafi mai yawa na dogon lokaci. Idan raguwar zafi ba ta da lokaci, wani lamari na lalacewar zafi zai faru - ƙarfin birki yana raguwa sosai, fedalin birki yana laushi, kuma nisan birki yana daɗe. Wannan saboda yawan gogayya na kayan diski na birki yana raguwa a ƙarƙashin zafi mai yawa, kuma saman diski na iya haifar da fashewar zafi, wanda ke ƙara raunana aikin birki. Toshewar faifan iska ko yawan danshi a cikin ruwan birki (sama da 3%) wanda ke haifar da raguwar ingancin watsa zafi sune abubuwan da suka zama ruwan dare gama gari na lalacewar zafi.
Yawan lalacewa da rashin kauri
Tsawon lokacin da diski na birki na gaba ke ɗauka yana kaiwa kimanin kilomita 8-120,000, amma yawan birki na gaggawa akai-akai, tuƙi na dogon lokaci a cikin cunkoson ababen hawa, da sauran munanan halaye na tuƙi za su rage tsawon lokacin aikinsa sosai. Lokacin da kauri na diski na birki ya ragu zuwa ƙasa da 1/3 na kauri na asali (yawanci kauri na asali shine 22-30mm, kuma yana buƙatar yin taka tsantsan lokacin da ya lalace zuwa ƙasa da 22mm), ƙarfinsa zai ragu sosai, ba wai kawai yana rage tasirin birki ba har ma yana iya karyewa yayin birki, wanda ke haifar da manyan haɗurra na aminci. Bugu da ƙari, idan kayan birki ya yi tauri sosai kuma akwai abubuwa na waje da suka haɗu, zai hanzarta lalacewar diski na birki, yana samar da ramuka masu zurfi.
Gano lahani da kuma shawarwarin kulawa na yau da kullun
Lokacin da ake fama da matsalar faifan birki na gaba, ya kamata a bi fifikon magance matsala: Da farko, duba yanayin saman faifan kuma a auna faɗin ta amfani da alamar dialing. Idan karkacewar ta wuce misali, ana iya cire saman faifan 0.5-1mm ta amfani da faifan diski (don dawo da faɗin), kuma idan lalacewa ta yi tsanani, ana buƙatar maye gurbin; na biyu, duba kauri na faifan birki. Idan kauri da ya rage bai wuce 3mm ba, maye gurbin ya zama dole. A lokaci guda, a tabbatar cewa kayan faifan birki sun yi daidai da na faifan birki; a ƙarshe, a duba yanayin ruwa na tsarin birki. A sauya ruwan birki akai-akai (kowane shekara 2 ko kilomita 40,000), a tabbatar da cewa danshi yana ƙasa da kashi 3%, sannan a zubar da iska daga tsarin.
A lokacin gyaran yau da kullum, a guji wanke abin hawa kai tsaye lokacin da faifan birki ya yi zafi don hana lalacewar faifan diski da girgizar sanyi ta haifar; a duba kauri da lanƙwasa faifan birki sau ɗaya a kowace kilomita 30,000, sannan a daidaita daidaiton tayoyin sau ɗaya a kowace kilomita 10,000 don hana rashin daidaiton tayoyin da ke ƙara ta'azzara birki; a haɓaka kyawawan halaye na tuƙi, a rage birki na gaggawa akai-akai, a yi amfani da birkin injin don taimakawa wajen rage gudu a lokacin dogayen sassan saukowa don rage nauyin faifan birki na gaba.
Idan kana son ƙarin bayani, ci gaba da karanta sauran labaran da ke wannan shafin!
Don Allah a kira mu idan kuna buƙatar irin waɗannan kayayyaki.
Kudin hannun jari Zhuo Meng Shanghai Auto Co., Ltd. ta kuduri aniyar sayar da MG&MAXUSsassan mota maraba siya.
