Yintoni isiphethu sevalvu yemoto
Ivalve yemoto ephumayo yinxalenye ebalulekileyo ye-injini yemoto, ephakathi kwentloko yesilinda kunye nesihlalo somsila wevalve. Umsebenzi wayo ophambili kukuqinisekisa ukuba ivalve ihleli ngexesha kwaye ifakwe ngokuqinileyo ukukhusela ivalve ekubetheni ngexesha lokungcangcazela kwe-injini, ngaloo ndlela itshabalalise ukutywinwa kwayo.
Imithombo yeValve idla ngokwenziwa ngocingo oluphezulu lwentsimbi yealloyi kwaye iphathwa ngobushushu ukuze kwandiswe amandla okudinwa. Ukuze kuthintelwe ukubola kwentwasahlobo, umphezulu uya kuba ne-galvanized okanye i-phosphating. Iziphelo zayo ezimbini kufuneka zibe phantsi kunye ne-perpendicular kwi-axis yasentwasahlobo ukukhusela i-skew ngexesha lenkqubo yokusebenza.
Uyilo kunye nokukhethwa kwezinto eziphathekayo ze-valve spring kunempembelelo ebalulekileyo ekusebenzeni kwe-injini. Ukuze kuthintelwe ukuvakala kwesandi, ii-injini zale mihla zisebenzisa imithombo yepitch eguquguqukayo okanye imithombo ephindwe kabini ebekwe ngokuthe ngqo. Uyilo oluphindwe kabini lwentwasahlobo lubandakanya imithombo emibini ejikelezwe ngokuchaseneyo ngaphakathi nangaphandle. Ukuqina kwangaphandle kwentwasahlobo kukhulu, okunokuthi kuthintele ngokufanelekileyo i-resonance, kwaye xa intwasahlobo enye iphukile, enye inokuqhubeka nokusebenza ukuqinisekisa ukuvalwa okuqhelekileyo kwe-valve.
Umgaqo osebenzayo we-valve spring kukuqinisekisa ukuba i-valve ifakwe ngokusondeleyo kwisihlalo sevalve ngokugqithisela amandla angenayo ngexesha lenkqubo yokuvala ivalve kwaye ithintele i-valve ukuba ingatsiki phantsi komthwalo woxinzelelo. Ukongeza, i-valve spring inokulawula ukuhamba kwevalve ukuphepha ukuhlukana kwe-valve mechanism.
Ngamafutshane, nangona i-valve spring incinci kwi-injini, indima yayo ibalulekile ukuqinisekisa ukusebenza okuqhelekileyo kunye nokusebenza okuzinzileyo kwe-injini.
Indima ephambili yomthombo wevalvu yemoto ibandakanya le miba ilandelayo:
Qinisekisa ukuba isitulo sevalve kwangexesha kunye nesimfaneleko esiqinileyo : ispring yevalve inokuqinisekisa ukuba ivalve inokufakwa nkqi kunye nesitulo sevalve okanye iringi yesitulo sevalvu xa ivaliwe, thintela ivalve ekutsibeni xa injini ingcangcazela, ukuze igcine isitywina esilungileyo.
Ukoyisa amandla angenayo : xa ivalve ivuliwe, indlela yevalve iya kuvelisa amandla angenayo, i-valve spring inokoyisa la mandla angenayo ukuze kuqinisekiswe ukuba iindawo zokuhambisa zihlala zilawulwa yi-CAM kwaye azihlulwanga omnye komnye.
Ukuthintela i-resonance kunye ne-flutter : ukwenzela ukuthintela i-valve spring resonance kwinkqubo yokusebenza, ezinye ii-injini zisebenzisa i-valve ephindwe kabini ye-spring structure, i-spring rotation echaseneyo, enokuphelisa ukungcangcazela kwentwasahlobo enye kwenye, ukuphucula ukuzinza kwe-valve spring.
Ukuphuculwa kwamandla okudinwa kunye nokuthembeka : Imithombo yevalve ihlala yenziwe ngocingo oluphezulu lwentsimbi yealloy kunye nokunyangwa kobushushu ukuphucula ukumelana nokudinwa. Ukuthintela umhlwa, umphezulu we-galvanized okanye i-phosphating.
Ziqhelanise noxinzelelo olunamandla kunye nokusebenza ngesantya esiphezulu: kunye ne-injini ukuya kumandla aphezulu, uphuhliso olunesantya esiphezulu, imithombo yevalvu kufuneka imelane noxinzelelo oluphezulu kunye nesantya sokuphendula ngokukhawuleza. Ke ngoko, uyilo kunye nokuveliswa kwemithombo yevalvu kufuna iimfuno eziphezulu zobugcisa.
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