Xa usiva i-Stellite 12, into yokuqala ethi qatha engqondweni kuninzi mhlawumbi kukuxhathisa kwayo ukunxiba kwe-stellar. Yinyani leyo, kodwa ikwangumgibe. Kwiminyaka yam yokujongana neealloys ezikhethekileyo, ndibone iiprojekthi ezininzi kakhulu apho zichazwe phantse ngokungagqibekanga kwizicelo zokunxiba okuphezulu, ngaphandle kokuntywila kwiprofayile yayo epheleleyo. Yingxubevange ye-cobalt-chromium, ewe, kodwa ukuziphatha kwayo phantsi koxinzelelo olwahlukileyo, ukuxhotyiswa kwayo emva kokuphosa, kunye nokusebenza kwayo ngokuchasene nongcoliseko oluthile kulapho ibali lokwenyani likhona. Asiyombumbulu yomlingo, kwaye ukuyiphatha njengenye yindlela ekhawulezayo yokutshisa ibhajethi kunye nexesha.
Iprofayili engundoqo kunye neMigibe eqhelekileyo
I-Stellite 12 ihleli kuloo ndawo inomdla phakathi kwe-Stellite 6 eqhelekileyo kunye nekhabhoni ephezulu, amabakala axhathisayo kwi-abrasion. Ubume bayo obuqhelekileyo bunika ukuxhathisa okulungileyo kwintsimbi ukuya kwintsimbi, i-galling, kunye nenqanaba elifanelekileyo lokuxhathisa ukubola. Kodwa nantsi i-hiccup yokuqala esebenzayo: ubuchule bayo. Kwimeko yokuphosa, kunzima. Ndiyathetha, kunzima ngokwenene. Awukwazi ukuphosa nje kuwo nawuphi na umatshini we-CNC onezixhobo eziqhelekileyo ze-carbide kwaye ulindele ukugqiba okugudileyo okanye naluphi na uhlobo lobomi besixhobo. Oku sakufunda kabuhlungu kwasekuqaleni.
Ndikhumbula iprojekthi yecandelo levalvu kwicandelo leoli negesi. I-spec sheet yabiza IStellite 12 iindawo zokuhlala. Iinzame zokuqala zoomatshini, ezisekwe kwiparameters zentsimbi eqinisiweyo, zikhokelele ekutshitshweni kwesixhobo esikhawulezileyo kunye nokunganyaniseki komphezulu. Isizukulwana sobushushu sasinamandla, nto leyo ebeka emngciphekweni wokuguqula i-microstructure kufutshane nomphezulu ukuba awulumkanga. Kunyanzelise ukuphononongwa kwakhona ngokupheleleyo kwesicwangciso sethu sezixhobo-ukutshintshela kumabanga akhethekileyo e-carbide, ukunciphisa kakhulu amaxabiso okutya, kunye nokusebenzisa i-coolant ephezulu yoxinzelelo ngqo kwindawo yokusika. Yayingengomgunyathi; yayimalunga nokulawulwa, ukususwa kwezinto ezichanekileyo.
Oku kudibanisa ngqo kwinkqubo yokuphosa ngokwayo. Kwinkampani efana ne-Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), enamashumi eminyaka ekubunjweni kweqokobhe kunye nokuphosa utyalo-mali, umngeni awukho nje ukugalela isandi. Kumalunga nokuqonda indlela i-alloy eqina ngayo, ukulawula ukuhanjiswa kwe-carbide ngaphakathi kwe-cobalt-chromium matrix. Izinga lokupholisa elilawulwa kakubi linokukhokelela kulwahlulo olugqithisileyo lwe-carbide, ukudala i-brittleness yendawo enokuthi ibonakale kuphela ngexesha lokugqibela lomatshini okanye, ngakumbi, enkonzweni. Amava abo ngee-alloys ezikhethekileyo, njengoko kuphawuliwe kwindawo yabo tsngtaocnc.com, ibalulekile apha. Akunjalo nje ngokuba neziko lomlilo; imalunga nolwazi lwenkqubo olwakhiwe ngaphezulu kweminyaka engama-30 oluqinisekisa IStellite 12 ufumana i-microstructure engaguqukiyo, ethembekileyo ukusuka ekuqaleni.
I-Application Nuances kunye ne-Real-World Behaviour
Ibengezela phi iStellite 12? Igqwesile kumalungu ajongene nokunxitywa okudityanisiweyo kunye neempembelelo eziphakathi, okanye apho umhlwa uyinto esecaleni kwe-abrasion. Cinga ngemikhono yempompo, isivali sevalvu, iindawo ezithile zokuthwala, kunye nemiphetho yezixhobo zezolimo. Kodwa kufuneka ufanise ibakala kunye nendlela yokunxiba echanekileyo. Ukuba utshaba oluphambili lucocekile, i-high-stress abrasion evela kwi-silica okanye efanayo, i-Stellite ephezulu yekhabhoni ingaba ngcono. Ukuba ingaphezulu malunga nomhlwa, amanye amabanga angena kumdlalo.
Ndisebenze kwityala elibandakanya i-fid screw components kumgca wokulungisa ukutya. Izinto eziphathwayo zazirhabaxa kwaye zonakalise kancinci. IStellite 12 yakhethwa ngenxa yokulinganisela kwayo. Nangona kunjalo, uyilo lokuqala lwaluneekona zangaphakathi ezibukhali. Ngexesha lenkqubo yotyalo-mali kwi-Foundry-inkqubo ye-QSY ekhethekileyo-oku kubonise umngeni. I-viscosity ye-alloy kunye neempawu zokuqina zenza kube nzima ukuzalisa ezo mpawu zibukhali ngaphandle kweziphene ezinokubakho. Isisombululo sasiyintsebenziswano ngokutsha, ukuthambisa iikona kancinci. Oku akuzange kuchaphazele umsebenzi kodwa kwenze ukuba indawo ikwazi ukuphosa kwaye inokuthenjwa. Olu luhlobo olusebenzayo, ukusombulula ingxaki-ngomhlaba owahlula isicelo esiyimpumelelo kukusilela.
Enye ingongoma efihlakeleyo kukusebenza kwayo kwiingubo eziphezulu zokushisa. Igcina ukuqina kwayo kakuhle ukuya kuthi ga kwi-600-700 ° C, yiyo loo nto uyibona kwisixhobo secandelo elishushu okanye izixhobo zenjini. Kodwa kukho i-caveat: ukumelana kwayo ne-oxidation, ngelixa kulungile, akunasiphelo. Kwiindawo ezihlala ixesha elide, ezinobushushu obuphezulu, unokubona ukwakheka kwesikali esingaphezulu kunealloyi esekwe nickel. Lurhwebo-off. Uyikhethela ukunxitywa kwiqondo lobushushu, kunye nokumelana ne-oxidation njengophawu lwesibini oluluncedo, hayi oluphambili.
Machining kunye Post-Processing Realities
Masijike sibuyele kubuchwephesha, kuba ihlala ingoyena mqhubi weendleko emva kwesixhobo ngokwaso. Njengoko kukhankanyiwe, yibhere ukuya kumatshini. Ukusila kudla ngokuba yeyona ndlela ikhethwayo yokugqibezela okokugqibela kunye nokufezekisa ukunyamezelana okuqinileyo. Kodwa nokusila kufuna ukubunjwa kwevili elichanekileyo kunye nobuchule bokunqanda ukutshisa umphezulu okanye ukubangela iintanda ezincinci.
Umatshini we-CNC unokwenzeka, kwaye kulapho ababoneleli benkonzo abadibeneyo bongeza ixabiso elikhulu. Inkampani ephethe zombini ukuphosa kunye ne-CNC machining, njenge-QSY, inenzuzo enkulu. Bayaqonda ukuziphatha kwezinto ukusuka kulwelo ukuya kwinxalenye egqityiweyo. Banokucwangcisa izibonelelo ze-stock machining ngexesha loyilo lwepateni yokuphosa, besazi kakuhle ukuba izinto ziya kusabela njani kwimikhosi yokusika. Ukuzama ukufumana isasti kwenye ivenkile kwaye uyifake kwenye, ngaphandle kwesi siseko solwazi ekwabelwana ngaso, kudla ngokukhokelela ekukhombaneni ngeminwe xa kuvela imingeni. Inkcazo kwi tsngtaocnc.com ukuqaqambisa ubuchule babo obudityanisiweyo bokuphosa kunye noomatshini be-CNC ayisiyonto nje yokuthengisa; kukusebenza okubalulekileyo kokusebenza kwealloys ezinje.
I-Welding kunye ne-hardfacing nge-Stellite 12 nazo zixhaphakile, ngakumbi ukulungiswa okanye ukugubungela kwii-substrates ezingabizi. Ukulawula ubushushu bangaphambi kobushushu kunye ne-interpass kubalulekile ukunqanda ukuqhekeka. Ukukhawuleza kakhulu izinga lokupholisa, kwaye ufumana idiphozithi enhle, enzima egcwele i-microfissures. Yenye indawo apho inkqubo ukumkani, kunye namava trumps ithiyori lonke ixesha.
Ukunikwa kweNgqaliselo kunye noMgangatho
Ayizizo zonke iStellite 12 ezenziwe zalingana. Umgangatho we-ingot ekrwada, ulawulo lwe-trace element, kunye nokuphindaphindeka kwenkqubo yokuphosa ichaza ukusebenza kwenxalenye yokugqibela. Ukukhangela kwi-Foundry kunye nerekhodi eqinisekisiweyo kwi-cobalt-based alloys ayinakuxoxwa kwizinto ezibalulekileyo. Udinga izatifikethi, kodwa okona kubaluleke kakhulu, udinga ubungqina bolawulo lwenkqubo-iirekhodi ezininzi zobushushu, ugcino lwemikrograph, iziphumo zovavanyo zoomatshini ezingaguqukiyo.
Apha kulapho isidima somsebenzi ekudala sikhona sibalulekile. Inkampani esebenza ngaphezulu kweminyaka engama-30, njengoko i-QSY yenza njalo, kusenokwenzeka ukuba yajongana neeshifti ezininzi zokubonelela kwaye yacokisa ukufunwa kwayo kunye nokusetyenzwa kweeprothokholi. Mhlawumbi babonile ukuba kwenzeka ntoni xa ibhetshi yemathiriyeli ingekho-spec kwaye ineenkqubo zokuyibamba ngaphambi kokuba ibe yingxaki yakho. Kumsebenzisi wokugqibela, oku kungqongqo kwe-scenes yinto oyihlawula ngokwenene, hayi nje ukuphosa ngokwasemzimbeni.
Kukwafanelekile ukuxoxa ngezinye iindlela. Ngamanye amaxesha, iprojekthi inokuqalisa nge-Stellite 12 kuba ligama elaziwayo, kodwa emva kokuhlalutya iindleko, ixesha elikhokelayo, kunye neemeko zenkonzo ngqo, imathiriyeli eyahlukileyo inokuba yeyona ilungileyo. Ngaba inokuba libakala elahlukileyo leStellite? I-alloy ye-iron-based hardfacing alloy? Ukufakwa kweceramic? Iqabane elilungileyo lobugcisa kufuneka likwazi ukuba nencoko, hayi nje ukuthi ewe kwi-spec yokuqala. Ukubambelela ngokungaboniyo kwi-callout yezinto eziphathekayo ngaphandle kokuhlalutya kuyingxaki.
Iingcamango zokuqukumbela ezisuka kuMgangatho wocweyo
Ke, yintoni eyona nto iphambili kwiStellite 12? Yialloyi eluncedo kakhulu, eguquguqukayo xa isetyenziswe ngokuchanekileyo. Ixabiso layo lilele kwiipropati zayo ezilungeleleneyo, kodwa loo bhalansi ikwathetha ukuba ayisiyiyo eyona ntshatsheli kulo naliphi na icandelo elinye. Impumelelo nayo ixhomekeke kwizinto ezintathu: uthelekiso oluchanekileyo lwesicelo, isiseko sobuchwephesha kunye neenkqubo zobuchwephesha, kunye nendlela edibeneyo ukusuka kuyilo ukuya kwinxalenye egqityiweyo.
Ukuyibona njengento nje enzima yeyona mpazamo inkulu. Kuya kufuneka uhloniphe umjikelo wayo wobomi uphela-indlela ephoswe ngayo, indlela esikwa ngayo, indlela eziphatha ngayo phantsi kweendlela ezithile zokunxiba. Iinkampani ezihlala zizisa izinto ezithembekileyo ze-Stellite 12 zezo, njengeQingdao Qiangsenyuan Technology, eziye zakha ulwazi olunzulu, olusebenzayo kulo lonke uhlobo lokusalwa kunye noomatshini, bephatha imathiriyeli hayi njengempahla yorhwebo kodwa njengesisombululo sobunjineli esikhethekileyo esinobuntu bayo kunye nezinto ezinqabileyo.
Ekugqibeleni, izixhobo ezifana nezi zizixhobo. Kwaye abachwephesha abagqwesileyo abaqondi nje into ebizwa ngokuba yisixhobo, kodwa ngokuchanekileyo indlela esivakalelwa ngayo esandleni, indlela esabela ngayo phantsi koxinzelelo, kunye nalapho imida yayo ilala khona ngokwenene. Olo kuqonda luvela kuphela kwizandla-ngexesha, kuzo zombini uloyiso kwaye, ngokungafihlisiyo, ukusuka kwinqanaba elilahliweyo ngamanye amaxesha elikufundisa ukuba ungakwenzi ntoni kwixesha elizayo.
