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Gas rarraba inji. Me ya sa aka bukace ta?

Gas rarraba inji - daya daga cikin mafi muhimman sassa na engine, daga abin da daidai aiki na ta yi dogara kai tsaye. Yana hidima ga wani dace ciko da Silinda na combustible cakuda ko iska (a cikin injector da dizal injuna), kuma domin dakatar da shaye gas. A abun da ke ciki ya hada da wani drive lokaci na camshaft, dõmin ta kasance wata bel, da sarkar ko ta giya da camshaft da bawul inji. A karshen jiki bangarori ne bawuloli da rocker makamai. A karshen, bi da bi, da ake gyarawa zuwa aksali haka da cewa daya ta kafada da aka bisa ga gyara dunƙule, da kuma na biyu - a kan bawul kara.

A camshaft ne axis a kan abin da machined eccentric (cam), bisa ga bawul lokaci kusassari. Phase lokaci - wannan shi ne lokacin da ya bude da kuma rufe bawul din. Wannan na faruwa a daidai lokacin da Silinda ne a cikin babba ko ƙaramin matattu batu. Wanda ya buɗe bawul din (mashiga ruwa ko kanti) ya dogara ko kidan auku a wani musamman Silinda.

Alal misali, idan fistan ne a kasa matattu cibiyar da ta fara da matsawa bugun jini, duk da bawuloli aka rufe, idan da wannan shaye bugun jini, da shaye bawul ne bude. Shi ne ma'ana to zaton cewa Agogon sake zagayowar na aiki bugun jini duk bawuloli ma rufe, da kuma bude ci mashiga. Gas rarraba inji iya samun daya ko biyu camshafts. Gas rarraba inji OHC - wannan shi ne na farko, na biyu da aka kira DOHC. Irin wannan tsari ne kawai a yi amfani da wadanda injuna a cikinsa domin kowane Silinda da 4 ko fiye bawuloli, kamar daga 5 Audi.

Saboda haka, gas rarraba inji DOHC engine ba ka damar samun mafi yi da kuma sanya shi mafi tsabtace muhalli da kuma tattali. Kowane camshaft aka tsara don bude wani bawul kungiyar, ko dai ci ko shaye.

Yana da aka riga da gas rarraba inji SOHC. Shi ma yana da 4 bawuloli da Silinda, amma daya kawai camshaft ake amfani da su bude su. Irin wannan lokaci ne tartsatsi a cikin 90s, amma nan da nan aka yi watsi saboda ta low yawan aiki idan aka kwatanta da DOHC.

Tattaruwar kwakwalwa gaba da daidai saitin na camshaft dangi da crankshaft. An cimma ta wajen amfani da kaya lakabin kana so ka hada. Lokacin amfani da bel drive , da farko saita pulleys suna hada kai lakabin, bayan da suka kasance ana gyarawa da kuma sawa lokaci bel, to, wanda aka miƙa tashin hankali abin nadi.

Gas rarraba inji ba ya bukatar kusan babu kulawa, shi ne rage zuwa dace gyara na bawul yarda. Its take hakkin take kaiwa zuwa ƙãra lalacewa daga sassa da kuma ba da damar da engine wajen samar da cikakken iya aiki. Bugu da kari, shi zai iya rataya bawuloli, su ne kullum a cikin rabin bude matsayi, da kuma lalacewar da pistons, da kuma maye ko daya iya kudin quite tsada.

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