Ukukhetha imathiriyeli efanelekileyo sesona sigqibo sibalulekileyo kuyo nayiphi na iprojekthi yotyalo-mali. I-alloy ayigxininisi kuphela ukusebenza koomatshini kunye nobomi benkonzo kodwa kunye neendleko zayo, ubuchule, ixesha lokukhokela, kunye neeparamitha zenkqubo yokuphosa ngokwazo. E-Ningbo Ruican (KST Casting), sichithe ngaphezulu kweminyaka eli-17 sincedisa iinjineli ze-OEM ukuba zijonge esi sigqibo kuzo zonke iimoto, ivalve, ezolimo, ulwakhiwo, kunye nosetyenziso lwemizi-mveliso. Esi sikhokelo sichitha loo mava kwisakhelo esisebenzayo sokuthelekisa ii-alloys kwizicelo.
Kutheni uKhetho lweMathiriyeli lubalulekile ngakumbi kuTyalo-mali lokuCasa
Eyona nzuzo yotyalo-mali yinkululeko yoyilo - iijiyometri ezikwimilo ekufutshane nenethi, iindonga ezibhityileyo, kunye neempawu zangaphakathi ezingenakufikelelwa ngokwenziwa okanye ukuphosa isanti. Kodwa loo nkululeko ibangela ukuba abantu bakhethe izinto eziphathekayo. Inkqubo yokuphosa utyalo-mali ibeka i-alloys kubushushu besinyithi esinyibilikisiweyo esigcinwe kumaqokobhe e-ceramic, kwaye intsapho nganye ye-alloy isebenzisana ngokuhlukileyo kunye nokusingqongileyo: iintsimbi zekhabhoni ziyaxolela, amabakala angenasici afuna umoya olawulwayo, kunye ne-superalloys zifuna ulawulo oluchanekileyo lwe-thermal. Ukukhetha i-alloy kwisiseko sakho akunakuhlala kuyindlela yokupheka i-porosity, ukubandakanywa, kunye nokulibaziseka kokuhanjiswa.
Imibuzo Emihlanu Ekhokelela Nasiphi na Isigqibo Sengxubevange
Phambi kokuba uvule uvimba wedatha, phendula le mibuzo mihlanu kunye neqela lakho loyilo:
- Yeyiphi imithwalo eya kuthwala inxalenye? Amandla azinzileyo, ukudinwa kwebhayisekile, kunye nefuthe kwindawo nganye kwiintsapho ezahlukeneyo ze-alloy.
- Iza kunceda yiphi imeko-bume? Imithombo yeendaba ezonakalisayo, ubushushu obuphakamileyo, kunye nonxibelelwano olurhabaxa lucutha ibala ngokukhawuleza.
- Ziziphi iimfuno zonyamezelo kunye neemfuneko ezingaphezulu? Ezinye ii-alloys zibamba ukunyamezela okunamandla ngakumbi kunabanye.
- Ingaba inxalenye iya kwenziwa njani ngoomatshini? Ii-alloys ezinzima zonyusa ixesha lomatshini kunye neendleko zezixhobo.
- Siqinisekisa ntoni isicelo? Izinto ezibalulwe ngaphezulu zezona zixhaphakileyo - kwaye zibiza kakhulu - impazamo yokukhetha.
Iintsimbi zeCarbon kunye ne-Low-Alloy: I-Workhorses
Amabanga aqhelekileyo : AISI 1020/1030/1045, AISI 4130, AISI 4140/42CrMo4, AISI 8620, 16MnCr5
I-Carbon kunye ne-low-alloy steels i-akhawunti yobuninzi be-investment castings ngomthamo, kwaye ngesizathu esihle. Banikezela ngolungelelwaniso olubalaseleyo lwamandla, ukuqina, ukuwelda, kunye neendleko - eyona xabiso lisezantsi lempahla ngekhilogram yayo nayiphi na ingxubevange yobunjineli ekhatywayo.
- I-AISI 1020/1030 (ikhabhoni ecacileyo) : Ilungele izibiyeli, iilevers, izindlu, kunye nezixhobo apho amandla aphakathi (400–600 MPa tensile) anele. Ukuchaneka okugqwesileyo.
- I-AISI 4130/4140 (i-chromium-molybdenum) : Ukhetho olungagqibekanga lwamacandelo aphezulu-uxinzelelo-imizimba yevalvu ye-hydraulic, i-rods yokudibanisa, iigiya, kunye nezixhobo ze-oilfield. Ucinywe-kwaye-umsindo we-4140 ufikelela kwi-930+ MPa amandla okuqina kunye nokumelana nokudinwa okulungileyo.
- I-AISI 8620 (i-nickel-chromium-molybdenum) : Ikhankanyiwe apho kufuneka ukuqina kwetyala - ii-giar blanks, i-camshafts, kunye neendawo ezinxitywayo ezifuna i-carburized case kwi-core enzima.
Ingcebiso yokukhetha : Ukuba inxalenye yakho isebenza kwindima yolwakhiwo engaphantsi kwe-300 °C ngaphandle kokuvezwa kwe-corrosion, intsimbi yealloyi ephantsi iphantse yahlala iyimpendulo yoqoqosho. Musa ukuphucula kwi-stainless ngaphandle kwesizathu esiqhutywa ngumhlwa - iprimiyamu yeendleko yi-2-4×.
Iintsimbi eziNcinci: ukuMdla kunye noKuxhathisa ubushushu
Amabanga aqhelekileyo : CF8/304, CF8M/316, CA15/410, 17-4 PH, 2205 duplex
Iintsimbi ezingenastainless zilawula kwivalvu, impompo, ukusetyenzwa kokutya, elwandle, nakwimichiza. Ukutyalwa kotyalo-mali kubamba amabakala angenaziphene kakuhle, nangona ukunyibilika okulawulwayo kunye nemozulu yeqokobhe kubalulekile ukunqanda i-carbon pickup kunye ne-oxidation inclusions.
- I-CF8 (304) : Ibakala le-austenitic lenjongo ngokubanzi yamanzi, ukutya, kunye nenkonzo yekhemikhali ethambileyo. Ukuchasana nokugqwesa okulungileyo, ukubumbeka okugqwesileyo, okungeyo-magnetic.
- I-CF8M (316) : Yongeza i-molybdenum yokumelana ne-pitting ngokuchasene ne-chlorides - ukhetho oluqhelekileyo lokukhupha ityuwa, i-hardware yaselwandle, imizimba yevalvu yekhemikhali, kunye nezixhobo zoxubo.
- I-CA15 (410) / CA6NM (410NiMo) : Amabanga angenawo ama-Martensitic adibanisa ukuxhathisa okuphakathi kwe-corrosion kunye namandla aphezulu - asetyenziswa kwii-turbine runners, i-valve trim, kunye ne-pump shafts.
- I-17-4 PH : Imvula-yokuqinisa i-stainless ihambisa i-1,100+ MPa yamandla e-tensile kunye nokuxhathisa okulungileyo kokuhlwa. Ukuya-kuya kwizikhondo zevalvu esebenza kakhulu, izifakelo ze-aerospace, kunye nezixhobo.
- I-Duplex 2205 : Phantse kabini amandla esivuno se-316 kunye ne-chloride ephezulu yoxinzelelo-i-corrosion cracking resistance, kwi-offshore kunye nomsebenzi weekhemikhali ezinobundlobongela.
Ingcebiso yoKhetho : Tshatisa ibakala elingenaziphene kunye nesixhobo esithile somhlwa. I-304 iyasilela kwiindawo zekloridi apho i-316 iphila; I-316 ngokwayo iyanikezela kuxinzelelo-i-corrosion cracking apho amabanga aphindwe kabini angenzi.
I-Ductile Iron kunye ne-Grey Iron: Ukudambisa kunye neXabiso
Amabanga aqhelekileyo : QT400-18, QT450-10, QT500-7, QT700-2, GG25
Ngelixa uninzi lunxulunyaniswa nokuphosa isanti, i-iron ductile ikwalutyalo-mali-ingakumbi kumacandelo apho indibaniselwano eyodwa yamandla, ukumanzisa, kunye nokuqina kwentsimbi kufutshane nexabiso eliphantsi lithatha isigqibo.
- I-QT450-10 / QT500-7 : Izindlu zezakhiwo, i-axle exhasayo, amacandelo okumiswa. Ukwandiswa kwe-7-10% kunika ubunzima bokwenyani.
- I-QT700-2 : Ukusetyenziswa kwamandla aphezulu-izindlu zokugqibela zokuqhuba, i-crankshafts, i-gear-apho i-vibration damping kunye namandla oxinzelelo.
- I-GG25 (intsimbi engwevu) : Amalungu eCompressor kunye nebrake apho ukuthomalalisa kunye ne-thermal conductivity igqithisa iimfuno zokuqina.
I-Copper Alloys: Iibheringi kunye neNkonzo yaseLwandle
Amabanga aqhelekileyo : C95800 NiAl bronze, C83600 ubhedu obomvu, C95400 i-aluminium bronze
Iialloyi zobhedu zifumana indawo yazo apho intsimbi ingenako ukuya khona: indalo yaselwandle entywiliselweyo, ukufakwa kwezixhobo zokuzala kunye nokutyhutyha, kunye nesixhobo esingenantlantsi semozulu eyingozi.
- I-C95800 ye-Nickel-Aluminium Bronze : Umgangatho we-propeller yolwandle - i-600+ MPa i-tensile, i-cavitation egqwesileyo kunye nokumelana nokubola kwamanzi olwandle, kunye neepropati ezichasayo.
- I-C95400 I-Aluminiyam yeBronzi : Iibheringi eziphakamileyo, iigiya, kunye nezihlalo zevalve ezifuna umthamo womthwalo ongaphaya kweebronzi eziqhelekileyo.
IiSuperalloys kunye neZixhobo eziZodwa
Kumalungu eijini yerhasi, iisistim zokukhupha, kunye nehardware yepetrochemical esebenza ngaphezulu kwe-600 °C, ukufakwa kotyalo-mali kuphela kwenkqubo esebenzayo. I-Cobalt-base (i-Stellite) kunye ne-nickel-base alloys igcina amandla kumaqondo obushushu apho iintsimbi ziye zanikezela ixesha elide. Ezi zicelo zifuna ama-foundries akhethekileyo anamandla okunyibilika kwevacuum - icandelo apho ukhetho lwemathiriyeli kunye nokukhethwa kwabathengisi kungenakwahlulwa.
Imodeli yengqondo eluncedo ibeka iintsapho zealloyi eziqhelekileyo ngexabiso lezinto eziphathekayo:
- Intsimbi engwevu / intsimbi yekhabhoni (isiseko 1.0×)
- Intsimbi yentsimbi (1.1×)
- Intsimbi ye-alloy ephantsi (1.2-1.5×)
- 400-uthotho olungenabala (1.5–2×)
- 300-uthotho olungenabala (2–3×)
- 17-4 PH / duplex (3–4×)
- Ialloyi zobhedu (3–5×)
- Iisuphaloyi (8–20×+)
Ipatheni icacile: inyathelo ngalinye phezulu kwileli lithenga isakhono esithile - amandla, ukumelana nokubola, okanye ukumelana nobushushu. Hlawula isakhono esifunwa sisicelo sakho, hayi eso sidingwa yinxalenye yomntu okhuphisana nawe.
Indlela i-KST Casting exhasa ngayo isigqibo sakho sezinto eziphathekayo
Ukhetho lwezinto eziphathekayo akumele lwenzeke lodwa kukwenziwa kwezinto. E-Ningbo Ruican, iqela lethu lobunjineli liphonononga yonke i-RFQ yenkqubo yezinto eziphathekayo ngaphambi kokucaphula. Sifaka iflegi ngaphezulu-iinkcukacha ezinyusa iindleko, sicebisa ukulingana okuphucula ukuhanjiswa, kwaye sinike ingxelo yeDFM edibanisa iimpawu kwaye icuthe ubuchwephesha. Ngesiqinisekiso se-IATF 16949, ukuqinisekiswa kwe-spectrometer kuwo wonke ubushushu, kunye ne-EN 10204 3.1 isiqinisekiso esipheleleyo, ufumana isiqinisekiso esibhaliweyo sokuba i-alloy kwindawo yakho yi-alloy oyichazile.
