Isifinyezo: Lo mhlahlandlela uhlanganisa i-QT400-18 ferritic ductile iron, imininingwane yayo ye-GB/T 1348, okulingana namazwe ngamazwe, amanani emishini, izinzuzo, imikhawulo, izinhlelo zokusebenza namanothi okusakaza e-CNC.
I-QT400-18 iyibanga lensimbi ye-ferritic ductile echazwe ngaphansi kwe-GB/T 1348.
Ifaka i-ductility ephezulu, ukuqina okuhle kwethempelesha eliphansi kanye nokusebenziseka kalula, isetshenziswa kabanzi kuzingxenye zabalingisi ezingazweli.
Iyini i-QT400-18?
I-QT400-18 iyibanga lensimbi eyi-spheroidal graphite cast elicaciswe yi-Chinese standard GB/T 1348.
Uhlelo lokuqamba amagama lulandela izimiso ezijwayelekile zamamaki e-iron ductile aseShayina: “QT” ichaza insimbi eyi-spheroidal graphite cast iron; I-400 ibhekisela emandleni amancane okudonsa angu-400 MPa; kanti i-18 imele isilinganiso esincane sokwelulwa esingu-18%.
I-microstructure yayo ibuswa yi-ferrite, enikeza into ebalulekile i-ductile yesiginesha nokusebenza okunzima.
Ukuze uthole isingeniso esigcwele sezinto eziyisisekelo ze-iron ductile, izinqubo zokukhiqiza kanye nokuhlukaniswa okujwayelekile, ungabuyekeza yethu umhlahlandlela ophelele we-ductile iron.
Lesi sihloko sizogxila ngokukhethekile ku-QT400-18 futhi sigweme ukuphinda okuqukethwe okungemuva kwe-iron ductile evamile.
I-QT400-18 Amabanga Ajwayelekile Nalinganayo Amazwe Ngamazwe
I-GB/T 1348 Ukucaciswa kwe-QT400-18
I-QT400-18 ilawulwa yi-GB/T 1348, indinganiso kazwelonke ye-spheroidal graphite cast iron e-China.
Ukuhlolwa kokwamukelwa kwaleli banga ngokuyinhloko kusekelwe ekusebenzeni kwemishini kunokwakheka kwamakhemikhali okungashintshi.
Okuhlukile okushintshiwe, i-QT400-18L, kuphinde kuchazwe ngaphakathi kwaleli zinga ukuze kuhlangatshezwane nezidingo ezithuthukisiwe zomthelela wezinga lokushisa eliphansi.
I-Global Equivalent Materials (ASTM / EN / ISO)
Onjiniyela abasebenza emidwebeni enqamula imingcele ngokuvamile badinga ukubeka imephu ye-QT400-18 kumamaki ajwayelekile aphesheya.
Okulinganayo okwamukelwe kabanzi kubalwe ngezansi ukuze kusetshenziswe ireferensi kuphela.
Ukwamukelwa kwempahla yokugcina kufanele njalo kulandele ukucaciswa okubusayo kwephrojekthi.
- I-ASTM A536: 60-40-18
- I-EN 1563: EN-GJS-400-18, eyaziwa nangokuthi i-GGG40 kumagama amadala we-DIN
I-QT400-18L iwuhlobo lwezinga lokushisa eliphansi elichazwe ku-GB/T 1348.
Ngeke ithathelwe indawo ngokuqondile nge-QT400-18 evamile noma okulinganayo okuvamile kwamanye amazwe ngaphandle kokubuyekezwa komklamo okusemthethweni.
I-QT400-18 Mechanical & Physical Properties
Ithebula Lokusebenza Lomshini
Amanani omshini we-QT400-18 ahlolwa kumabha wokuhlola ajwayelekile.
Ukusebenza kwengxenye yangempela kungase kushintshe ngokusekelwe ekugqitheni kodonga lokusakazwa, izinga lokupholisa kanye nokulawula inqubo ye-Foundry.
| Impahla | Inani Elincane Elicacisiwe | Ibanga Elijwayelekile |
| Amandla Okuqina | 400 MPa | 400–480 MPa |
| 0.2% Ingcindezi Yobufakazi | 250 MPa | 250–300 MPa |
| Ukwelula | 18% | 18–24% |
| Ukuqina kweBrinell | — | 120–180 HBW |
| Ukuqina Komphumela Wegumbi Nezinga lokushisa | 14 J | 14–22 J |
Ibanga Lokubunjwa Kwekhemikhali Elilinganiselwe
Ukwakheka kwamakhemikhali kusebenza kuphela njengereferensi yokulawula inqubo yangaphakathi komlilo. Ukwamukelwa kwe-QT400-18 kusekelwe kuzakhiwo zemishini, hhayi imikhawulo yamakhemikhali.
Ama-Foundries ahlukene alungisa ikhabhoni, i-silicon kanye ne-trace alloying elements ukuze kuzinziswe i-spheroidization kanye ne-ferrite matrix.
Ububanzi bokuqamba obujwayelekile buboniswa ngezansi:
- Ikhabhoni: 3.5% ~ 3.9%
- I-silicon: 2.2% ~ 2.8%
- I-Manganese: ≤0.30%
- I-Phosphorus: ≤0.07%
- Isibabule: ≤0.03%
Izinzuzo Eziyinhloko Nemikhawulo ye-QT400-18
Izinzuzo Eziyinhloko
I-QT400-18 igqama phakathi kwamabanga ensimbi ye-ferritic ductile ngokuqina kwayo okulinganiselwe nokusebenza kwayo.
- Ubude obuphezulu kanye ne-ductility, umthamo oqinile wokumunca imithwalo yethonya eliguqukayo
- Ukuqina okuthembekile kwezinga lokushisa eliphansi uma kuqhathaniswa namamaki ensimbi ye-pearlitic ductile
- Ukusebenza okuhle kakhulu kokuphenduka kwe-CNC, ukugaya nokubhora
- Umthamo omuhle wokudambisa ukudlidliza wemishini ejikelezayo neye-hydraulic
- Ukusakaza okulingene kodonga oluyinkimbinkimbi, oluncane ukuya kokumaphakathi
Imikhawulo Nezimo Ezingafanele
I-QT400-18 ayilona ibanga le-iron ductile yomhlaba wonke, futhi abaklami kufanele bagweme ukuyisebenzisa ngale kwemvilophu yokusebenza kwayo.
- Ukuqina kwendawo ephansi kwenza kube ukukhetha okungalungile ezingxenyeni ezingaphansi kokugqokwa kwe-abrasive
- Akunconyelwe izinhlelo zokusebenza ezidinga ukumelana nokukhathala okukhulu
- Ukuqina kwezindonga kuthinta kakhulu ukugcinwa kwe-ferrite; izingxenye eziwugqinsi zingase zilahlekelwe ubude obuqinisekisiwe kanye nokuqina
- Ukushisela kungenzeka kodwa kudinga izinqubo eziqinile zokushisa kanye ne-post-heat ukugwema ukuqhekeka
I-QT400-18 Izicelo Ezijwayelekile Zezimboni
I-QT400-18 ikhethwa lapho ukumelana nomthelela kanye ne-ductility kuthatha kuqala kunamandla aphezulu noma ubulukhuni.
Ivamise ukucaciswa ezingxenyeni ezihlangabezana nokushaqeka, ukudlidliza noma ukugcwala ngokweqile ngezikhathi ezithile.Funda kabanzi mayelana nathi izingxenye zemishini ye-ductile iron.
Izimo ezijwayelekile zokusebenzisa zihlanganisa:
QT400-18 Casting & CNC Machining Notes
Ukucatshangelwa kwe-Foundry ye-QT400-18
I-matrix ye-ferrite engaguquki iyinhloso yekhwalithi eyinhloko yokukhiqizwa kwe-QT400-18.
Amaqembu e-Foundry agxile ezinyathelweni ezimbili zokulawula ezibucayi: ukwelashwa kwe-nodularization kanye ne-inoculation.
Ukujova ngendlela efanele kuvimbela ukwakheka kokugodola futhi kuzinzise ukuma kwe-graphite spheroid.
I-shrinkage porosity kanye ne-microshrinkage yiziphambeko ezivamile ze-ferritic ductile iron.
Amasistimu wokugenca kanye nezikhuphukeli kumele zakhelwe ukukhuthaza ukuqiniswa kokuqondisa, ikakhulukazi ezindaweni ezinezigaba ezinzima.
Ukupholisa okungalungile kuzokwethula i-pearlite futhi kunciphise ubude obungaphansi kwemfuneko engu-18%.
CNC Machining Amathiphu
I-microstructure ethambile ye-ferritic ye-QT400-18 iletha ukusebenza komshini ozinzile.
Idala ama-chips aqhubekayo esikhundleni sothuli olunamanzi, elehlisa ukuguga kwamathuluzi uma kuqhathaniswa nensimbi eqinile ye-pearlitic ductile.
- Izithako ze-carbide ezingafakwanga zisebenza kahle ekujikeni nasekugayeni okujwayelekile
- Isivinini sokusika singasethwa ngokusesilinganisweni sibe phezulu kune-grey cast iron
- Ukwelashwa okungaphezulu okufana nokudweba, ukumbozwa ngempushana noma ukufakwa kwamafutha kusetshenziselwa kakhulu ukuvikela ukugqwala ngemuva komshini.
Uma uthola i-QT400-18 ductile iron castings ene-CNC eqediwe machining, ungakwazi hlola uhla lwethu lomkhiqizo we-ductile iron casting.
I-QT400-18 vs QT450-10 I-Ductile Iron
I-QT400-18 kanye ne-QT450-10 zingamamaki amabili e-GB ductile iron amabili avame ukudideka.
Ithebula elingezansi licacisa umehluko wabo ekukhetheni izinto ezibonakalayo.
| Ipharamitha | I-QT400-18 | I-QT450-10 |
| Amandla Okuqina Aphansi | 400 MPa | 450 MPa |
| I-Elongation Encane | 18% | 10% |
| Isakhiwo se-Matrix | I-ferritic ngokuphelele | I-Ferritic-pearlitic |
| Ukuqina Kwezinga Lokushisa Eliphansi | Okungcono | Phansi |
| Ubunzima Ububanzi | 120–180 HBW | 160–210 HBW |
| Kuhle kakhulu | Umthelela, isevisi yezinga lokushisa eliphansi | Amandla amaphakathi, izingxenye ezijwayelekile zesakhiwo |
Khetha i-QT400-18 uma ukunwetshwa kanye nokumuncwa komthelela kubalulekile.
I-QT450-10 ikhethwa ezinhlelweni ezidinga amandla aphezulu okuqina lapho izimfuno ze-ductility ziqinile kancane.
FAQ
Ingabe i-QT400-18 iyafana ne-60-40-18 ductile iron?
I-QT400-18 iphathwa kabanzi njengokulingana kwamaShayina kwe-ASTM A536 60-40-18, nokho achazwa ngaphansi kwamazinga ahlukene.
Le mephu isebenza kuphela ekuhlolweni kwempahla yokuqala.
Zonke izindlela zokwamukelwa ezisemthethweni kufanele zilandele indinganiso yezinto ezibonakalayo zephrojekthi.
Ingabe i-QT400-18 ingashiselwa?
Ukushisela kuyenzeka ngokobuchwepheshe, kodwa kudinga ukulawulwa kwenqubo ngokucophelela.
Ukushisa kuqala kanye nokupholisa okulawulwayo kuyisibopho ukuze ugweme izindawo eziphukayo kanye nokuqhekeka.
Amajoyinti e-weld ngokuvamile azolahlekelwa ingxenye yesisekelo se-ductility.
Uyini umehluko phakathi kwe-QT400-18 ne-QT400-18L?
I-QT400-18L iwuhlobo lwezinga lokushisa eliphansi.
Igcina amavelu womthelela we-Charpy aqinisekisiwe emazingeni okushisa aphansi okuhlola emishini yemvelo ebandayo.
I-QT400-18 ejwayelekile ihlanganisa kuphela izidingo zomthelela wezinga lokushisa legumbi.
Ingabe i-QT400-18 ilungele izingxenye ezingagugi?
Ngokujwayelekile cha. I-matrix yayo ethambile ye-ferritic inikeza ukumelana nokuhuzuka okulinganiselwe.
Ngokusetshenziswa kokugqoka, i-iron ductile iron yokuqina okuphezulu, i-austempered ductile iron noma i-alloy cast iron kufanele kucatshangelwe esikhundleni salokho.
