Inqaku lokuqala lolwazi:
Ubushushu bomngundo: Umngundo kufuneka ufudunyezwe kwiqondo lobushushu elithile phambi kwemveliso, kungenjalo uya kubanda xa ulwelo lwetsimbi olunobushushu obuphezulu lugcwalisa umngundo, lubangela ukuba iqondo lobushushu libe phakathi kwe maleko yangaphakathi nangaphandle yokungunda ukuba yande, ibangela ubushushu bomzimba. uxinzelelo, obangela ukuba umphezulu wesikhunta uqhekeke okanye udibanise. Ngethuba lenkqubo yokuvelisa, ubushushu bokubumba buqhubeka bukhuphuka. Xa iqondo lobushushu lokungunda ligqithisekile, ukuncamathela komngundo kuqhele ukwenzeka, kwaye iinxalenye ezihambayo zingasebenzi kakuhle, kubangele umonakalo kumphezulu wokungunda. Inkqubo yokulawula ubushushu bokupholisa kufuneka imiselwe ukugcina ubushushu obusebenzayo bokungunda ngaphakathi koluhlu oluthile.
Inqaku lesibini lolwazi:
Ukuzaliswa kwe-alloy: Ulwelo lwensimbi luzaliswe ngoxinzelelo oluphezulu kunye nesantya esiphezulu, okuya kubangela impembelelo enzima kunye nokukhukuliseka kwi-mold, ngaloo ndlela kubangele uxinzelelo lomatshini kunye noxinzelelo lwe-thermal. Ngethuba lenkqubo yempembelelo, ukungcola kunye neegesi kwintsimbi etyhidiweyo kuya kuvelisa imiphumo enzima yeekhemikhali kumphezulu we-mold, kwaye ikhawuleze ukwenzeka kwe-corrosion kunye nokuqhekeka. Xa isinyithi esityhidiweyo sisongelwe ngegesi, siya kwanda kuqala kwindawo yoxinzelelo oluphantsi lomgodi wokungunda. Xa uxinzelelo lwegesi lukhula, ukuqhuma kwangaphakathi kwenzeka, ukukhupha iinqununu zetsimbi kumphezulu we-mold cavity, kubangela umonakalo, kunye nokuqhekeka ngenxa ye-cavitation.
Inqaku lesithathu lolwazi:
Ukuvulwa komngundo: Ngexesha lenkqubo yokutsalwa okungundoqo kunye nokuvulwa komngundo, xa amanye amacandelo ekhubazekile, uxinzelelo lomatshini luya kwenzeka.
Inqaku lesine lolwazi:
Inkqubo yokuvelisa:
Kwinkqubo yemveliso ye-aluminiyam nganye i-alloy ye-alloy i-die-casting inxalenye, ngenxa yotshintshiselwano lobushushu phakathi komngundo kunye nesinyithi esityhidiweyo, utshintsho lwexesha lobushushu lwenzeka kumphezulu wokungunda, okubangela ukwanda kunye nokucutha kwe-thermal, okukhokelela kuxinzelelo lwe-thermal ngamaxesha.
Ngokomzekelo, ngexesha lokuthululelwa, umphezulu we-mold uphantsi koxinzelelo loxinzelelo ngenxa yokufudumeza, kwaye emva kokuba i-mold ivuliwe kwaye i-casting ikhutshwe, umphezulu we-mold uphantsi koxinzelelo lwe-tensile ngenxa yokupholisa. Xa lo mjikelo woxinzelelo olutshintshanayo uphinda-phinda, uxinzelelo ngaphakathi kubumba luba lukhulu kwaye lube lukhulu. , xa uxinzelelo ludlula umda wokuwa kwezinto eziphathekayo, ukuqhekeka kuya kwenzeka kumphezulu wokubumba.
Inqaku lesihlanu lolwazi:
Ukubunjwa okungenanto: Ezinye iimbumba zivelisa kuphela amakhulu ambalwa amaqhekeza phambi kokuba kuvele iintanda, kwaye iintanda zikhula ngokukhawuleza. Okanye mhlawumbi imilinganiselo yangaphandle kuphela iqinisekisiwe ngexesha lokuqulunqa, ngelixa i-dendrites kwintsimbi ifakwe kwi-carbides, i-shrinkage cavities, i-bubbles kunye nezinye iziphene ezivulekileyo ezoluliweyo kunye nendlela yokucubungula ukwenza i-streamlines. Olu luhlu lubalulekile ekucinyweni kokugqibela kwixesha elizayo. I-Deformation, i-crack, i-brittleness ngexesha lokusetyenziswa, kunye nokuthambekela kokungaphumeleli kunempembelelo enkulu.
Inqaku lesithandathu lolwazi:
Uxinzelelo lokusika oluveliswa ngexesha lokujika, ukugaya, ukucwangcisa kunye nokunye ukusetyenzwa kunokupheliswa ngokusebenzisa i-central annealing.
Inqaku lesixhenxe lolwazi:
Uxinzelelo lokugaya lwenziwa ngexesha lokusila intsimbi ecinyiweyo, ubushushu bokungqubana kuveliswa ngexesha lokusila, kwaye i-softening layer kunye ne-decarburization layer yenziwa, enciphisa amandla okunciphisa i-thermal kwaye ikhokelela ngokulula ekuqhekekeni okushushu. Kwiintanda zakwangoko, emva kokusila kakuhle, intsimbi ye-HB inokufudunyezwa ukuya kuma-510-570°C kwaye ibanjwe iyure enye nge-25mm nganye yobunzima bokunciphisa uxinzelelo.
Inqaku lesibhozo lolwazi:
I-EDM machining ivelisa uxinzelelo, kwaye i-self-brightening layer ecebileyo kwizinto ze-electrode kunye nezinto ze-dielectric zenziwa kumphezulu wokubumba. Iqinile kwaye iyaphuka. Lo maleko ngokwawo uya kuba neentanda. Xa i-EDM i-machining kunye noxinzelelo, i-frequency ephezulu kufuneka isetyenziswe ukwenza i-self-brighten layering I-layer eqaqambileyo iyancitshiswa ibe yincinci kwaye kufuneka isuswe ngokupolisha kunye nokufudumala. Ukufudumala kwenziwa kwinqanaba lesithathu lokushisa.
Inqaku lesithoba lolwazi:
Izilumkiso ngexesha lokulungisa umngundo: Unyango olungafanelekanga lobushushu luya kukhokelela ekuqhekekeni komngundo kunye nokukrazula kwangaphambi kwexesha. Ngokukodwa ukuba kuphela ukucima kunye nokuthambisa kusetyenziswa ngaphandle kokucima, kwaye emva koko inkqubo ye-nitriding yomphezulu yenziwa, iintanda zomphezulu ziya kuvela emva kokuphoswa kwamawaka amaninzi. kunye nokuqhekeka. Uxinzelelo olwenziwa emva nje kokucima luyisiphumo se-superposition yoxinzelelo lwe-thermal ngexesha lenkqubo yokupholisa kunye noxinzelelo lwesakhiwo ngexesha lokutshintsha kwesigaba. Uxinzelelo olucimayo luyimbangela yokuguquka kunye nokuqhekeka, kwaye ukufudumala kufuneka kwenziwe ukuphelisa ukuxhatshazwa koxinzelelo.
Inqaku leshumi lolwazi:
Umngundo ngomnye wemiba emithathu ebalulekileyo kwimveliso ye-die-casting. Umgangatho wokusetyenziswa kwesikhunta buchaphazela ngqo ubomi bobumba, ukusebenza kakuhle kwemveliso kunye nomgangatho wemveliso, kwaye ihambelana neendleko zokufa. Kwiworkshop yokufa, ukugcinwa kakuhle kunye nokugcinwa kwesikhunta sisiqinisekiso esiqinileyo senkqubela phambili egudileyo yemveliso eqhelekileyo inceda ukuzinza komgangatho wemveliso, kunciphisa iindleko zemveliso ezingabonakaliyo ukuya kumlinganiselo omkhulu, kwaye ngaloo ndlela kuphucula ukusebenza kakuhle kwemveliso.
Ixesha lokuposa: Jun-28-2024
