Kufuneka isiko metal cast kufutshane kum mveliso inkxaso-kungekhona nje umthengisi, kodwa iqabane lobugcisa eliqonda i-spikes ye-hydraulic pressure spikes, i-cobalt alloy brittleness, kwaye kutheni i-GD & T callouts kwizindlu zempompo ayikwazi "ukuqikelelwa"? Awukhangeli umthengisi wekhathalogu. Ukhangela umntu obambe i-AMS 5387 cobalt alloy nozzle esandleni, walinganisa i-microstructure yayo njenge-cast-cast phantsi kwe-SEM, kwaye ulungelelanise ubukhulu beqokobhe lotyalo-mali *phambi* kokugalela-kuba okokugqibela, ukwahluka kodonga lwe-0.12 mm kubangele ukuqhekeka kwe-thermal kwangaphambi kwexesha kwinkonzo yasentsimini.
Siyibonile: I-OEM yaseMntla yaseMelika yaleqa i-piston pump cylinder yezindlu ngokutsha ukuze ihlangabezane neTier 4 ebekiweyo yokukhupha. Isiseko sabo sasekhaya sacaphula iiveki ezili-14-kwaye sahambisa ii-castings ezintathu ezine-porosity kwi-interface ye-valve port. Ukulungiswa bekungathunyelwa ngokukhawuleza. Yayicinga ngokutsha uyilo lokungena, ukufudumeza ukungunda kwe-ceramic ukuya kwi-950 ° C, kunye nokuqinisekisa ukulinganisa ukuqinisa ngokuchasene nedatha yomfanekiso we-thermal evela ekugaleleni. Lowo ngumahluko phakathi "kokuphosa kufutshane nam" kunye isiko metal cast kufutshane kum mveliso esebenza ekudibaneni kwesinyithi, ijometri, kunye nokuthembeka kokusebenza.
Kutheni “Kufuphi Nam” Kungonelanga—Yeyona nto ibalulekileyo kuLuhlulo oluchanekileyo
"Ekufutshane nam" isandi esifanelekileyo-de kube yilapho i-winch center shaft roller yakho ingaphumeleli kwi-72% yomthwalo we-torque ngenxa yokuba isanti ephosa ukuhamba okuziinkozo ayizange ihambelane ne-torsional stress vector. Ukusondela kuthetha nto ngaphandle kwezakhono ezine ezingaxoxiswana:
- Uqeqesho lwezinto eziphathekayo: Hayi nje "insimbi engenasici" -kodwa i-S32750 duplex eqinisekisiweyo enamanani obushushu alandelekayo, umxholo we-ferrite uqinisekisiwe nge-ASTM A923, kunye novavanyo lwe-intergranular corrosion olwenziwe * ngaphakathi endlwini * ngaphambi kokuba kuqale ukusebenza.
- Ukudityaniswa kwenkqubo: I-Casting kunye ne-CNC machining phantsi kophahla olunye-ke iqela elifanayo lilawula isibonelelo sokucutha, ukuhanjiswa kwesitokhwe somatshini, kunye nembuyekezo yonyango lobushushu.
- Ukunyanzeliswa komda: Ukuhlolwa kwe-CMM * emva * kokunciphisa uxinzelelo, kungekhona nje emva kwe-machining-kunye nokulinganisa okubonakalayo kweepaseji zangaphakathi apho i-probes ayiyi kufaneleka
- Ukuqinisekiswa okusebenzayo: Izindlu zovavanyo loxinzelelo ukuya kwi-1.5 × uxinzelelo lokusebenza, hayi nje ukusayina okuncinci
Uninzi lweevenkile zengingqi zigqwesa kwenye okanye ezimbini. Bambalwa abalawula zonke ezine ngaphandle kwekontraka engaphantsi-kwaye yonke i-handoff yongeza umngcipheko. Asikhupheli ngaphandle iinkqubo ezingundoqo. Xa umthengi ethumela umzobo weplagi esekwe kwi-cobalt ye-T800 ene-± 0.005 mm yokunyamezela ukujikeleza kwi-12 mm bore, iinjineli zethu ezisisiseko ziphonononga uyilo lokunyuka *kwaye* oomatshini bethu baqinisekisa ukuqina kwendlela yesixhobo-konke ngaphambi kokucaphula.
Apho abaSeki beMigangatho beyibek’ imida yabo-kunye nendlela esibabhula ngayo
Abanye baphikisa ngelithi: “Sebenzisa nje isiseko sasekhaya. Yinyani-kodwa kuphela ukuba indawo yakho ayifuni i-AMS 5387 cobalt ialloy, iziseko zempompo yesanti-cast enamatshaneli okupholisa adibeneyo, okanye iintsimbi zokuphosa ezifuna i-ASTM A48 Class 65-70 amandla okuqina *plus* imiphezulu yokutywina eyenziwe ngomatshini ebanjwe kwi-Ra 0.4 µm.
Abaseki abasemgangathweni abafane babambe uluhlu lwee-ingots zealloyi ze-T800. Abaqhubeki ukuqinisekiswa kwe-vacuum-arc remelt (VAR) kuwo wonke ubushushu. Abagcini ukulandelwa kwezinto ezigcweleyo ukuya kwinani le-electrode lot. Kwaye phantse abazange bafake uhlalutyo lwe-GD & T kwisigaba sokwenza ipateni-ke xa ufumana ukuphosa kokuqala, isakhiwo sedatum asilungelelaniswanga, sinyanzelise ukuphinda kusetyenziswe ixabiso okanye i-scrap.
Senza njalo. Yonke icandelo le-cobalt-nickel liqala nge-mill-certified raw material. Yonke into yokuphosa isanti yenzelwa uhlolo lweradiyographic ngokwe-ASTM E94. Wonke umphezulu owenziwe ngoomatshini ufumana ungqinisiso olusebenzayo-hayi nje uburhabaxa, kodwa umphetho weradiyasi ukuhambelana kwiindawo ezingama-32. Yileyo ndlela esithumela ngayo iivalve zoxinzelelo ezidlula uvavanyo lokukhathala komjikelo we-100,000-ngaphandle kokungaphumeleli kwentsimi enye kwiinyanga ze-27 zokugqibela.
Isiphumo sokwenyani sehlabathi: Yintoni oyifumanayo ngokwenene
Oku akuyothiyori. Nantsi into eshiya indawo yethu yaseQingdao ngeveki:
- Amalungu enkqubo yeHydraulic: Izindlu ze-cylinder ezineegalari ze-oyile zangaphakathi ezifakwe kwi-± 0.15 mm, emva koko i-CNC-eyenziwe ngomatshini ukubamba ukugxila phakathi kokubhoboza kunye nokunyuka kweflange ngaphakathi kwe-0.02 mm
- Amacandelo emoto yobunjineli: Onboard winch center shaft rollers-isanti-cast-A48 Iklasi ye-70 yentsimbi, iyancipha uxinzelelo, emva koko i-induction-hardened ukuya kwi-58-62 HRC kwiijenali ezithwele
- Ioyile kunye negesi izinto ezibalulekileyo: Imilomo ye-cobalt yealloy enobunzima bodonga obusezantsi njenge-1.8 mm, iqinisekiswe ngemaphu yobukhulu be-ultrasonic kwimiphezulu egobileyo
- Iindibano zempompo: Iziseko zempompo ezingekho mgangathweni ezineenyawo ezidityanisiweyo zokungcangcazela-ziphosa, ziphathwe ngobushushu, kwaye zigqitywe ngokulandelelana kwemveliso
Akukho "isampulu-kuphela" ukunyamezela. Akukho "uhlengahlengiso oluqhutywa yimveliso." Yintoni eqinisekisiweyo kwi-prototype casting ivaliwe kwisicwangciso solawulo lwenkqubo yomyalelo wevolumu. Yiyo loo nto i-68% yabathengi bethu abaphindayo bebeka ii-middle-volume runs (50-500 pcs) phakathi kweentsuku ezingama-90 zokuhanjiswa kokuqala.
Amanyathelo Alandelayo: Ukusuka kuMzobo ukuya kuHambiso—Ngaphandle koKuqikelela
Ukuba unenxalenye efuna ukugaywa ngokuchanekileyo-ingakumbi kwi-cobalt-nickel alloys, i-iron eyomelele kakhulu, okanye i-corrosion-resistant stainless steels-qala apha:
- Yabelana ngeefayile zakho ze-2D/3D. Siza kubuyisela ingxelo yokwenziwa kokwenziwa ngaphakathi kweeyure ezingama-48-kubandakanywa neengcebiso ze-gating, izibonelelo zesitokhwe, kunye nolandelelwano lonyango lobushushu.
- Cacisa iimfuno zokusebenza: Ngaba le yeyomthwalo ongatshintshiyo? Uxinzelelo lwebhayisekile? Ukhukuliseko lobushushu obuphezulu? Silungelelanisa ukhetho lwemathiriyeli kwaye siqhube amanyathelo okusebenza-hayi nje i-specs
- Qinisekisa iimfuno zokulandeleka: Umkhondo wobushushu ogcweleyo? Iingxelo zovavanyo lweMill? Iirekhodi ze-NDT? Sakha amaxwebhu kwindlela yokusebenza-hayi njengengcinga yamva
Awudingi "isiseko esikufutshane nam." Ufuna i isiko metal cast kufutshane kum mveliso ephatha indawo yakho njenge-hardware ebaluleke kakhulu kwimishini-hayi into yokuthengisa. Oko kuthetha ukuthetha ulwimi lwakho: hayi nje "intsimbi etyhidiweyo," kodwa "iKlasi ye-A48 ye-65 ene-pearlitic matrix eqinisekiswe yi-metallography." Hayi nje “i-stainless,” kodwa “i-S32750 enomxholo we-ferrite 42–48% ngokwe-ASTM A923 Indlela C.”
Loo nqanaba lokuchaneka akwenzeki ngengozi. Kwenzeka xa i-metallurgists, iinjineli ze-Foundry, kunye nabadwelisi be-CNC behleli kwigumbi elinye-kwaye baphonononge yonke imizobo kunye. Lo ngumgangatho wethu. Yiloo nto eyenza ukuba "kufuphi nam" kube nentsingiselo.
