Injin Matsawa Mai Sauyawa / Aikin Injin Matsala Mai Sauyawa

Infiniti ne ya gabatar da shi, amma sauran masana'antun da yawa sun daɗe suna la'akari da shi, injin matsawa mai canzawa yanzu yana cikin kasuwar kera motoci.

Matsi?

Da farko, yana da muhimmanci a san abin da matsi rabo daga cikin engine ne. Wannan dangantaka ce mai sauƙi mai sauƙi tsakanin ƙarar iska ba tare da damuwa ba (lokacin da piston yana ƙasa: cibiyar matattu) da kuma lokacin da aka matsa (lokacin da piston yake a saman: babban mataccen cibiyar). Wannan gudun ba ya canzawa, saboda matsayin piston a kasa ko sama koyaushe yana kasancewa iri ɗaya, don haka kewayawa yana tafiya daga maki A (PMB) zuwa maki B (PMH).

A kan wannan injunan V-injin, muna ganin TDC da PMA a lokaci guda. Ƙunƙarar iska a hagu da iska mara nauyi a hannun dama

PMB: fistan a kasa

TDC: fistan yana saman

Amfanin babban rabon matsawa?

Lura cewa da zarar ka ƙara matsawa rabo, da karin da ka ƙara da ingancin inji, don haka ya zama m ikon yunwa. Sabili da haka, makasudin masu zanen kaya shine haɓaka shi kamar yadda zai yiwu. Duk da haka, yana da ma'ana cewa mafi girma matsa lamba, mafi girma da nauyi a kan abubuwan inji, don haka dole ne a kula da kada a wuce shi. Bugu da kari, damfara iskar gas yana kara yawan zafinsa, wanda shine ka'idar jiki a bayan injunan diesel. A wani mataki, idan muka matsa man fetur da yawa a cikin iskar (saboda haka iska), yanayin zafi zai yi yawa sosai cewa man fetur zai ƙone da kansa tun kafin kyandir ya kunna shi ... Sa'an nan kuma ƙonewa zai faru da sauri. , haifar da lalacewa ga cylinders (amma kuma bawuloli) da kuma haifar da ƙwanƙwasa.

Al'amarin ƙwanƙwasa zai ƙaru da yawan man fetur, wato lokacin da ake lodawa (yawan danna feda, ana ƙara ƙara man fetur).

A irin wannan yanayin, manufa zai kasance a sami babban adadin matsawa a ƙananan kaya da rabo wanda "kwantar da hankali" kadan lokacin da aka matsa da karfi.

Matsakaicin Matsakaicin Sauyawa: Amma Ta yaya?

Sanin cewa matsawa rabo ya dogara da tsayin da piston zai iya motsawa (TDC), to, ya isa ya iya canza tsawon sandunan haɗin (waɗannan su ne "sanduna" waɗanda ke riƙe da pistons kuma suna haɗa su zuwa ga ma'auni). crankshaft). Tsarin, wanda Infiniti ya ƙirƙira, saboda haka ya canza wannan tsayin godiya ga tsarin lantarki, don haka ana iya ƙara cranks yanzu! Sa'an nan kuma ana canza ma'auni guda biyu masu yiwuwa daga 8: 1 zuwa 14: 1, bayan haka ana iya matsawa cakuda gas da man fetur har zuwa sau 8 ko 14, wanda ya haifar da babban bambanci!

Muna magana ne game da crankshaft mai motsi, masana za su lura da sauri cewa bai yi kama da abin da muka saba gani ba.

Wannan ya bambanta da injin na yau da kullun, wanda sandunan haɗin kai sune sanduna masu sauƙi waɗanda aka haɗa da crankshaft.

Anan akwai alamomi guda biyu waɗanda Infiniti ya keɓe don wakiltar yiwuwar TDC guda biyu.

A low load, da rabo zai kasance a iyakarsa, wato, 14: 1, yayin da a high load zai sauke zuwa 8: 1 don kauce wa konewa ba tare da bata lokaci ba kafin tartsatsin ya yi aikinsa. Saboda haka, ya kamata mu yi tsammanin ganin tanadi lokacin da kuke da ƙafar haske, tuƙi na motsa jiki a ƙarshe baya canza komai yayin da matsawa ya zama "al'ada" kuma. Ya rage a gani idan irin wannan nau'in motsi na motsi zai zama abin dogara a cikin dogon lokaci, saboda ƙara sassa masu motsi koyaushe yana da haɗari ...

Duk tsokaci da martani

karshe sharhin da aka buga:

pianorg (Kwanan wata: 2019 10:03:20)

Anan akwai madaidaici kuma bayyananne bayani game da fasaha mai ban sha'awa. Don ci gaba, godiya.

Ina I. 1 amsa (s) ga wannan sharhin:

• Admin ADAMIN JAHAR (2019-10-06 15:24:45): Na gode sosai, duk da haka nan gaba da alama zai bar zafi ...

(Za a iya ganin post ɗinku a ƙarƙashin sharhin bayan tabbaci)

Ci gaba 2 Sharhi :

Lili (Kwanan wata: 2017 05:30:18)

Barka dai Na gode da duk labaran ku waɗanda aka yi bayani da kyau kuma sun koya mini da yawa. Idan na fahimta daidai, injinan mai a yanzu an sanya musu allura kai tsaye, kamar dizel. Don haka me yasa muke ci gaba da "sarrafa" rabon matsawa don hana kunna kai yayin da iska mai matsa lamba ba ta da mai? Ina I. 5 amsa (s) ga wannan sharhin: Enkidu (2017-10-17 21:18:18): Koyaushe abin takaici ne a rubuta labarin ba tare da sanin batun ba. Injin matsawa mai canzawa yana aiki cikin Faransanci har ma da "ardà © chois"! Fatan alkhairi gareku baki daya. Sergio57 (2018-06-04 09:57:29): Sannu kowa da kowa, zan ma kara cewa: Injiniya na Makarantar Kasa ta Metz 1983 Mr J. (2018-06-17 21:15:03): Dabaru mai ban sha'awa ... duba nan ba da jimawa ba. Taurus MAFITA MAI SHAFI (2018-10-21 09:04:20): Sharhi ba su da tushe. Jesse (2021-10-11 17:08:53): A wannan batun, kana magana ne game da yadda matsawa rabo iya karuwa daga 8: 1 to 14: 1 godiya ga tsarin. Ta yaya rage yawan matsi (har zuwa 8: 1) yana ba da ƙarin iko? Ashe ba haka bane? Na tuna cewa a cikin gasar mun yi ɗan aiki a kan sassan injin ta yadda za mu iya ƙara yawan matsi da kuma ƙara ƙarfin injin. Mafi girman rabon matsawa, tsayin bugun piston sabili da haka mafi girman rabon oxidizer / allurar man fetur, don haka mafi kyawun inganci don haka ikon da aka bayar, daidai? (Za a iya ganin post ɗinku a ƙarƙashin sharhin)

Rubuta sharhi

Menene ra'ayin ku game da radar hasken zirga-zirga?