Ukusetyenziswa kwezinto kubaluleke kakhuluisikrufu esingengomgangatho, kwaye iisikrufu esenziwe ngokwezifisoizixhobo ezinokusetyenziswa kwiindlela ezahlukeneyo zahlukile, njengemigangatho yokusebenza kwezixhobo ezahlukeneyo, njl.njl., ngokwe-isikrufu semarike yangokuUmenzi ikakhulu uquka intsimbi yekhabhoni, intsimbi engatyiwayo, ubhedu izinto ezintathu.
1. Kutheni ukhetha intsimbi yekhabhoni, intsimbi engatyiwayo, ubhedu?
Intsimbi yekhabhoni: Sahlula phakathi kwentsimbi yekhabhoni ephantsi, intsimbi yekhabhoni ephakathi kunye nentsimbi yekhabhoni ephezulu, kunye nentsimbi ye-alloy ngobungakanani bekhabhoni kwintsimbi yekhabhoni.
(1) Intsimbi ye-carbon ephantsi i-C% ≤0.25% yaziwa kakhulu ngokuba yintsimbi ye-A3 eTshayina. Amazwe angaphandle ngokusisiseko abizwa ngokuba yi-1008, 1015, 1018, 1022, njl. Isetyenziswa kakhulu kwiimveliso ezingenazo iimfuno zobunzima ezifana neebholiti zebanga le-4.8, amantongomane ebanga le-4 kunyeizikrufu ezincinci(Qaphela: Izinto ze-1022 zisetyenziselwa kakhulu izikhonkwane zokubhoboza.)
(2) Intsimbi yekhabhoni ephakathi 0.25%
(3) Intsimbi enekhabhoni ephezulu C%>0.45%. Okwangoku, ayisetyenziswa kwimarike ngokusisiseko.
(4) Intsimbi ye-alloy: ukongeza izinto ezidibanisayo kwintsimbi ye-carbon eqhelekileyo ukuze kwandiswe ezinye iimpawu ezikhethekileyo zentsimbi: ezifana ne-35, 40 chromium molybdenum, SCM435, 10B38. Izikrufu zePanvo zisebenzisa ikakhulu intsimbi ye-alloy ye-SCM435 chrome, kwaye izinto eziphambili yi-C, Si, Mn, P, S, Cr, kunye ne-Mo.
Isikrufu sentsimbi yekhabhoniinamandla aphezulu kwaye ilukhuni, iyamelana nokuguguleka kakuhle, iplastiki eqinileyo, kwaye inexabiso eliphantsi lokuvelisa. Ezi mpawu zenza intsimbi yekhabhoni ibe yinto efanelekileyo yokwenza iindawo ezisemgangathweni.
Intsimbi engatyiwayo: umgangatho wokusebenza: 45, 50, 60, 70, 80
Izinto eziphambili yi-austenite (18%Cr, 8%Ni), enokumelana kakuhle nobushushu, ukumelana kakuhle nokugqwala kunye nokuwelda okuhle. I-A1, A2, A4 martensitic kunye ne-13%Cr azinakumelana kakuhle nokugqwala, amandla aphezulu kunye nokumelana kakuhle nokuguguleka. Intsimbi engagqwali ye-C1, C2, C4 ferritic. Ukuphazamiseka kwe-18%Cr kungcono, kwaye ukumelana nokugqwala kunamandla kune-martensite. Okwangoku, izinto ezingeniswayo kwimarike ikakhulu ziimveliso zaseJapan. Ngokwenqanaba, yahlulwe ngokubanzi kwi-SUS302, SUS304, kunye ne-SUS316.
Isikrufu sentsimbi engatyiwayoinokumelana nokugqwala okuhle kakhulu, ingagcinwa ikwimeko entle ixesha elide kwiindawo ezinzima, kwaye kulula ukuyigqwala. Ukongeza, intsimbi engagqwaliyo ineempawu zokuqina okuphezulu, ubuhle obuhle, kunye nokucutshungulwa okulula.
Ubhedu: Izinto ezisetyenziswa kakhulu yithusi... I-alloy yeZinc-copper. Ubhedu lweH62, H65 kunye neH68 lusetyenziswa kakhulu njengezinto eziqhelekileyo kwimarike.
Isikrufu sekopoloineempawu ezilungileyo zokuqhuba umbane, i-thermal conductivity, i-corrosion resistance kunye ne-processing properties, kwaye inokudityaniswa kwaye ifakwe i-braze. Ezi mpawu zenza ubhedu lube luncedo ekudluliseni umbane, kwiimoto
2 Yintoni umahluko phakathi kwentsimbi engatyiwayo kunye nentsimbi yekhabhoni?
Intsimbi engagqwaliyo kunye nentsimbi yekhabhoni nazo zizinto zentsimbi, kwaye abantu abaninzi abazi ukuba uza kuba yintoni umahluko phakathi kwentsimbi engagqwaliyo kunye nentsimbi yekhabhoni.
Yintoni umahluko phakathi kwentsimbi engatyiwayo kunye nentsimbi yekhabhoni? Ngokuxhomekeke kwinjongo kunye nesiphumo sokusebenza, kukho umahluko olandelayo:
(1) Intsimbi engagqwaliyo ayinakho ukuhanjiswa kobushushu obufanelekileyo kwaye ayinwebeki kakhulu ngenxa yokuba ayinwebeki kakuhle ukuhanjiswa kobushushu kunye nokwandiswa, ngoko ke amandla okuguqulwa afunekayo makhulu;
(2) Xa kuthelekiswa nentsimbi yekhabhoni, ipleyiti yentsimbi engagqwaliyo inotyekelo olukhulu lokujika xa igoba;
(3) Xa kuthelekiswa nentsimbi yekhabhoni, ngenxa yobude obuphantsi bepleyiti yentsimbi engagqwaliyo, i-engile yokugoba u-R wesixhobo somsebenzi kufuneka ibe nkulu kuneyentsimbi yekhabhoni xa igoba, kungenjalo kukho amathuba okuba kubekho imifantu;
(4) Ngenxa yobunzima obukhulu bepleyiti yentsimbi engagqwaliyo kunye nefuthe elibalulekileyo lokuqina komsebenzi obandayo, xa kukhethwa izixhobo zokugoba ucinezelo, kufuneka kukhethwe intsimbi yesixhobo enobunzima bonyango lobushushu obungaphezulu kwe-60HRC, kwaye kufuneka kufuneke uburhabaxa bomphezulu wayo.
EYuhuang,umenzi wezikrufu zaseTshayinasiyayazi loo ntoisikrufu esikumgangatho ophezuluizixhobo eziluhlaza zisisiseko sokwenza iimveliso ezigqwesileyo. Ke ngoko, nganyeisikrufuyenziwe ngentsimbi ye-alloy enamandla aphezulu, intsimbi engagqwaliyo kunye nezinye izinto eziphambili ezihlolwe ngononophelo ukuqinisekisa ukuba ayinayo nje kuphela amandla okuthwala umthwalo oqinileyo kunye nokumelana nokugqwala, kodwa ikwagcina imeko yokusebenza ezinzileyo nethembekileyo kwiimeko ezimandundu. Ukukhetha izikrufu zeYuhuang, ukhetha uqinisekiso lomgangatho olungenasiphako.
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Ixesha leposi: Sep-21-2024
