Yintoni isivalo sevalvu yemoto
Isigqubuthelo sevalve yemoto yinxalenye yomatshini, edla ngokwenziwa ngezinto zetsimbi, ezifana ne-aluminium alloy kunye nentsimbi ekhandiweyo. Ibekwe ngaphezu kwenkqubo yevalve phezulu kwi-injini kwaye isetyenziselwa ukugquma i-valve kunye namacandelo e-valve drive ukuqinisekisa ukusebenza okuqhelekileyo kwenkqubo yevalve. Indima ephambili yesivalo sevalve ibandakanya ukugcina inkqubo yevalve icocekile kunye nokuthintela ukungcola okunjengothuli, ukungcola, inkunkuma ekungeneni kwenkqubo yevalve, ngaloo ndlela ikhusela amacandelo e-valve drive kunye neebheringi zevalve. Ukongeza, isigqubuthelo sevalvu siqinisekisa ukuba i-oyile ayivuzi okanye ayingeni kwi-valve bearing, ukuthintela umonakalo wecandelo kunye nenkunkuma yeoli.
Ulwakhiwo lwesigqubuthelo sevalve lubandakanya umzimba wevalvu, isigqubuthelo sevalvu, isiseko sevalve, ukupakishwa, ibholiti, i-nati, i-gasket, isiphatho, ukuthwala kunye nesixhobo sokuqhuba. Umzimba wevalvu sesona sakhiwo sixhasayo, kwaye isigqubuthelo sevalvu sibekwe ngaphezulu komzimba wevalvu ukutywina nokubamba ukupakisha okanye i-spool. I-spool yicandelo lokulawula elilawula indlela yokuhamba, uxinzelelo kunye nokuhamba kwamanzi. Ukupakishwa kuphakathi kwe-spool kunye nebhonethi ukutywina kunye nokunciphisa ukuvuza. Iibholiti kunye namandongomane zisetyenziselwa ukudibanisa umzimba wevalve kwibhonethi ukuyibamba kunye. Igasket ihleli phakathi kwebholiti kunye ne nut kwaye ikhusela umzimba kunye nekepusi ekunxityweni. Isibambo sisetyenziselwa ukusebenzisa i-valve, i-bearing isekela i-spool kunye nokunciphisa ukungqubuzana, kwaye isixhobo sokuqhuba sisetyenziselwa ukuqhuba ukunyakaza kwe-spool ukufezekisa ulawulo lwe-valve.
Ukugcinwa kwekhava yevalvu kunye nokutshintshwa kwakhona kubaluleke kakhulu. Ukuhlolwa rhoqo kunye nokugcinwa rhoqo kunokuthintela iingxaki ezibangelwa yi-valve caps okanye ukutywinwa kakubi. Ufakelo olungafanelekanga lunokubangela ukungaphumeleli kwe-valve, enokuchaphazela ukusebenza kwe-injini kunye nobomi. Xa utshintsha ibhonethi, izinto ezifanayo kunye nobukhulu njengenxalenye yokuqala kufuneka isetyenziswe ukuqinisekisa ukusebenza kakuhle kwe-injini.
Indima ephambili yesivalo sevalve yemoto ibandakanya le miba ilandelayo:
Isitywina kunye nokhuseleko: isivalo sevalve sisetyenziselwa ukugquma inkqubo yevalvu ukuthintela uthuli, ubumdaka, inkunkuma kunye nobunye ukungcola ekungeneni kwivalve, ngaloo ndlela ikhusela amacandelo e-valve drive kunye neebheringi zevalvu, kunye nokuqinisekisa indawo elungileyo yokusebenza kwindawo yangaphakathi ye-injini.
Ukuthanjiswa kunye nokuthintela uthuli : Isigqubuthelo sevalvu sikholisa ukwenza into evaliweyo kunye nazo zonke iinxalenye ze-injini ukuqinisekisa ukuthanjiswa kunye nokukhuselwa kweendawo zangaphakathi ze-injini. Ukutywinwa kwayo kubaluleke kakhulu ekusebenzeni okuqhelekileyo kwe-injini, ukuthambisa, ukukhuselwa kunye nokukhuselwa kothuli.
Lungisa i-crankcase ventilation : Kwezinye iimeko, isigqubuthelo seValve sikwanalo neValve ye-Positive Crankcase Ventilation (PCV), indima yayo ikukulawula ubungakanani bomsi we-oyile oveliswa yinkqubo yokuphefumla yecrankcase kwisixokelelwano sokungenisa, kunye nokunqamla ukungena komoya xa injini ifudumala ukunqanda ukusilela okufana nokugqabhuka kwe-crankcase.
Izinketho zezinto eziphathekayo : Izigqubuthelo ze-valve zihlala zenziwe ngezinto zetsimbi, izinto eziqhelekileyo ziquka i-aluminium alloy kunye nentsimbi. Izigqubuthelo zevalvu ye-aluminium alloy zikhaphukhaphu kwaye zine-conductivity elungileyo yobushushu, ngelixa izigqubuthelo zevalvu yentsimbi zinamandla aphezulu kunye nokuqina.
Ugcino kunye neengcebiso zokutshintshwa : Izigqubuthelo zevalvu zifuna ukuhlolwa rhoqo kunye nokugcinwa kwazo, ngakumbi ukujonga ukuqina kunye nokufakwa kwazo. Ukuba umvalo wevalve ukhululekile okanye awuvalwanga kakuhle, oko kunokukhokelela ekungasebenzini kwevalvu, nto leyo echaphazela ukusebenza kunye nobomi benjini. Xa utshintsha ibhonethi, izinto ezifanayo kunye nobukhulu njengenxalenye yokuqala kufuneka isetyenziswe ukuqinisekisa ukusebenza kakuhle kwe-injini.
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