Xa iinjineli zicacisa i-cobalt alloy casting parts, aziyi-odolo nje yesinyithi-zikhusela ukhuseleko lokusebenza, ukumelana nokunxiba, kunye nokuzinza komgangatho phantsi koxinzelelo olukhulu, ubushushu okanye ukubola. Isihlalo esinye sevalve engafanelekanga okanye impompo ejijekileyo yendlu eyenziwe nge-AMS 5387 cobalt alloy inokubangela ukungaphumeleli kwe-cascade kwiinkqubo zehydraulic okanye izixhobo ze-oyile. Yiyo loo nto ukukhangela kwi-a cobalt ingxubevange yokugalela iinxalenye umzi-mveliso ngoqeqesho oluqinisekisiweyo lwe-metallurgical-hayi nje amandla okuphosa-ayinakuxoxisana.
Ukuphoswa kwe-cobalt yokwenyani kufuna ngaphezulu kobushushu nesanti
Siye sabona iiprojekthi ezininzi zivaliwe kuba ababoneleli baphatha i-cobalt alloys njengentsimbi eqhelekileyo. I-Cobalt-based superalloys-ingakumbi i-T800 kunye ne-AMS 5387 amabakala-ayancipha ngokungalindelekanga ngexesha lokuqina, ukuxhathisa umatshini emva kokuphosa, kunye nokuphuhlisa i-microsegregation ukuba amazinga okupholisa awalawulwa ngokuqinileyo. E-QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., yonke into yokuphosa i-cobalt iqala ngokulandelelwa kwemathiriyeli ekrwada eqinisekisiweyo: indawo nganye yobushushu ithwala iingxelo ezipheleleyo ze-spectrographic, ubungakanani benkozo yokuqinisekisa, kunye nemibhalo yembali eshushu. Akukho bhetshi ingena kwisithando somlilo ngaphandle kokulinganisa ukubunjwa kwayo kweekhemikhali kwi-ASTM F75 okanye i-AMS 5710 inkcazo-ukuhla ukuya kwi-± 0.02% kwi-chromium kunye ne-± 0.01% kwikhabhoni.
Isiseko sethu sisebenzisa utyalo-mali oluphonswa imilomo kunye neeplagi ezifuna irediya eqinile kunye nokugqiba komphezulu ngaphantsi kwe-Ra 1.6 µm-kunye nokugalelwa kwesanti eluhlaza kwizinto ezinkulu, ezilayishwe ngokwesakhiwo ezifana nezindlu zepiston pump cylinder. Okubaluleke kakhulu, sidibanisa isisombululo se-post-cast annealing *in-house*, sinqanda ukulibaziseka kobushushu bomntu wesithathu obubeka umngcipheko wokukhula kweenkozo okanye ukwakheka kwesigaba se-sigma. Omnye umxhasi waseMntla Melika unciphise ukusilela kwebala nge-73% emva kokutshintshela kumboneleli ongaselunxwemeni ukuya kwindawo zethu zempompo ze-AMS 5387—kuba besibambe izithuba phakathi kwe-interdendritic phakathi kwe-25–35 µm, hayi i-50+ µm eqhelekileyo kwimijikelo yegeneric.
Ukudityaniswa okuthe nkqo akulogama-yi-inshurensi elinganayo
Ezinye iifektri ziphosa iinxalenye zecobalt. Abanye ngomatshini kubo. Bambalwa abazenzayo zombini-ngelixa belawula unyango lobushushu, ukuqinisekiswa kwe-GD&T, kunye nokuthembeka komphezulu kuwo wonke ukuhamba komsebenzi omnye. Lo msantsa kulapho kuqokelelwa khona unyamezelo. Silinganise ukuphambuka okuqokelelweyo ukuya kuthi ga kwi-± 0.12 mm kwiibhore ezibaluleke kakhulu xa ukuphosa kunye nomatshini kwenzeka kwiindawo ezahlukeneyo-nokuba "eqinile" ± 0.05 mm imizobo.
Kwiziko lethu eliqinisekisiweyo le-ISO 9001 eQingdao, umlomo wengxubevange ye-cobalt uhamba ukusuka kwipatheni yewax ukuya kuhlolo lokugqibela lweCMM ngaphandle kokushiya umgangatho wemveliso. Amaziko ethu e-CNC e-5-axis abambe indawo ephindaphindayo ye-± 0.003 mm kwiindawo eziqinileyo ze-T800; abathelekisi be-optical baqinisekisa ukunyamezelwa kweprofayili kumacandelo anodonga olubhityileyo ukuya kuthi ga kwi-0.3 mm ubukhulu bodonga. Kwi-winch center shaft rollers ezisetyenziselwa izithuthi zobunjineli, sidibanisa i-centrifugal casting (i-uniform density) kunye ne-hard-turning endaweni yokugaya-ukuphelisa umonakalo ongaphantsi komhlaba ngelixa ufezekisa ubunzima be-HRC 42-46 kunye ne-0.005 mm runout.
Oku akuyothiyori. Xa impompo ye-OEM yaseMzantsi-mpuma ye-Asia idinga iiplagi ze-cobalt ze-alloy ezingekho-standard kunye nejometri yokutywinwa kwe-asymmetric kunye nemijelo epholileyo edibeneyo, sazisa iiprototypes ezisebenzayo kwiintsuku ze-11 zokusebenza-kungekhona iiveki-ngokuphinda sisebenzise izixhobo ezivela kwimisebenzi yangaphambili ye-AMS 5387 kunye nokuqinisekisa iindlela zokuhamba kunye ne-computational fluid dynamics ngaphambi kokugalela.
Ulawulo lomgangatho oluphendula imibuzo yokwenyani-kungekhona nje izinto zoluhlu lokuhlola
“Uhlolo oluphumeleleyo” aluthethi nto ngaphandle kokuba uyazi *yintoni* ehlolwe, *njani*, kwaye *nxamnye nantoni*. Asixhomekeke kwiitshekhi zokugqibela kuphela. Ii-cobalt ingots ezingenayo zifumana i-spark emission spectroscopy kunye novavanyo lwe-ultrasonic lwe-voids yangaphakathi. Ngexesha lokuphosa, i-thermocouples ibeka iliso kwimida yokuqina ngexesha lokwenyani. Emva komatshini, wonke umzimba wevalve yoxinzelelo ufumana uvavanyo lwe-hydrostatic kwi-1.5 × inqanaba loxinzelelo lokusebenza-kunye nokuhlolwa kwedayi kuzo zonke iindawo ezilungisiweyo.
Okubaluleke ngakumbi, sigcina umkhondo ogcweleyo: inani leqashiso, ilogi enyibilikayo, ijika lokuphatha ubushushu, isazisi sengxelo yeCMM, kunye nesiginitsha yabaqhubi zifakwe kwirekhodi yedijithali yecandelo ngalinye. Abathengi bafikelela koku nge-portal ekhuselekileyo-kungekhona njengeePDF, kodwa njengedatha ekhangelekayo, enestampu sexesha. Omnye umdibanisi wenkqubo yoxinzelelo lwamanzi yaseYurophu unqumle ixesha labo lokuhlola elingenayo ngama-65% emva kokwamkela inkqubo yethu yokulandela umkhondo yeendawo zokuphosa ingxubevange ye-cobalt.
Sikwafunyaniswa nemingcipheko yokwenziwa kwangoko-hayi njengemigca ebomvu, kodwa njengezinye iindlela ezinokuthathwa. Ukuba umzobo ubiza i-radius ye-0.2 mm kwigxalaba leplagi ye-T800, siya kucebisa i-radius ye-0.3 mm kunye nokusebenza okulinganayo kokutywinwa kunye ne-40% ubomi obude besixhobo. Akukho jargon. Akukho kulibaziseka. Urhwebo oluxhaswa yifiziksi kuphela.
Kutheni ukuchaneka kwe-cobalt kusabalulekile-ngo-2024 nangaphaya
I-cobalt alloys ayizinto zelifa. Bavumela usetyenziso lwe-gen-gen elandelayo: iimpompo zoxinzelelo oluphezulu lwe-hydrogen, iisistim zombane eziphantsi kolwandle, kunye neenjini ezidibeneyo zehydraulic zezithuthi ezizimeleyo zemigodi. Ezi zifuna ukukhutshwa okungqongqo, ukuxhathisa ukukhathala okuphezulu, kunye nokunyamezela kwe-microcracks-imeko apho i-cobalt idlula i-nickel okanye insimbi engenasici.
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. igxininisa ngokukodwa kumacandelo asebenzayo omgangatho wemizi-mveliso-kungekhona ukuphoswa kokuhlobisa okanye izibiyeli zoxinzelelo oluphantsi. Olo gxininiso lulola ulwazi lwethu lwenkqubo: indlela yokwandiswa kwe-thermal ye-cobalt inxibelelana nezihlalo zevalvu yentsimbi, ukuba uxinzelelo olushiyekileyo luchaphazela njani umjikelo wokujikeleza emva kokuhamba ngebhayisikile yobushushu, indlela ukugqitywa komphezulu okuchaphazela ngayo ukukhukuliseka kwe-cavitation kwiziseko zempompo. Asithengisi iinxalenye zecobalt. Sihambisa iimvulophu zokusebenza eziqinisekisiweyo-ezinedatha emva kwayo yonke inkcazo.
Ukuba isicelo sakho sibandakanya uxinzelelo olungaphezulu kwe-350 bar, amaqondo okushisa angaphezu kwe-400 ° C, okanye i-media abrasive efana neoli egcwele isanti, qalisa ngokuphononongwa kwezinto-kungekhona isicelo sokucaphula. Buza malunga neengxelo zemodeli yokuqinisa, iziphumo zovavanyo lokutya kwe-intergranular nge-ASTM G28 nganye, nokuba ingaba cobalt ingxubevange yokugalela iinxalenye umzi-mveliso umnikazi womjikelo wokuqinisekisa ubushushu. Iqabane elifanelekileyo aliyi kudibana noshicilelo lwakho. Baza kukunceda ube ngumnikazi womda phakathi kokusilela kunye nomsebenzi.
