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UHLALUTYO OLUMFUTSHANE “LWEZINTO EZIQHELEKILEYO” EZIQHELEKILEYO EZIQHELEKILEYO ZOKUJONGA IZIXEBI.

UMXHOLO: Intsimbi yokubumba inokwahlulwa ibe yintsimbi ye-carbon, intsimbi ephantsi, intsimbi ephakathi kunye nentsimbi ephezulu.Iintsimbi ezahlukeneyo zineempawu ezahlukeneyo kunye nokusetyenziswa. Okufana ne-5CrMnMo, i-3Cr2W8V yentsimbi esetyenziswa ekwenzeni i-forging eshushu iyafa;1Cr13, 2Cr13, 3Cr13, 4Cr13 intsimbi esetyenziswa kwizixhobo zonyango;1Cr18Ni9, 1Cr18Ni9Ti intsimbi esetyenziswa kwiindawo ezikwaziyo ukudleka;Intsimbi ye-Mn13 esetyenziswa kwiindawo zokunxiba;isetyenziswe kubushushu obuphezulu 5CrMo, 4Cr10Si2Mo intsimbi yeenxalenye;okanye i-304, 304L, 316, 316L, 2205, 45, 42CrMo, 27SiMn, 40CrNiMo, 40Cr, Q345B / C / D / E, i-GCr15 insimbi, njl. kwi-cylinder forgings;okanye i-gear forgings 40Cr, 42CrMo, 20CrMnMo, 20CrMnTi, 42CrMo, 40Cr steel njalo njalo.

 

Nantsi isicatshulwa esivela kwiintsimbi ezininzi eziqhelekileyo zokubumba uhlalutyo olulula.Bona ngezantsi:

1. 20SiMn

  • Inamandla athile kunye nokuqina, ukusebenza kakuhle komatshini, kunye nokusebenza kakuhle kwe-welding.Ingathatha indawo ye-27SiMn kunye ne-S45C yentsimbi;
  • Ifanelekile kwi-welding ye-electroslag, i-props enye ye-hydraulic kunye neengxenye ezinodonga olukhulu lwecandelo;
  • Amandla okuqina ≥ 450;Amandla esivuno ≥ 255;Ubude ≥ 14;Amandla empembelelo ≥ 39;Ubungakanani becandelo (ububanzi okanye ubukhulu): 600 ~ 900mm;
  • Iindlela zonyango oluqhelekileyo lobushushu: ukuqhelekileyo + ukucaphuka.

2. 35SiMn

  • Inamandla aphezulu, ukumelana nokunxiba, ukuqina kunye nokumelana nokudinwa, ukusebenza kakuhle, ukuqina okuhle, ukusebenza kakubi kwe-welding, kunye neplastikhi ephakathi ebandayo.Uqoqosho olulungileyo, lunokutshintsha ngokupheleleyo i-40Cr okanye inxalenye yentsimbi ye-40CrNi;
  • Isetyenziswa ngokubanzi kwiishafti ezincinci kunye neziphakathi kunye nezixhobo,ezifana nezixhobo zothumelo, iishafti eziphambili, izikhonkwane zokusonta, iishafti ezijikelezayo, iintonga ezidibanisayo, iintshulube, iishafti zetram, iishafti zejenereyitha, ii-crankshafts, ii-flywheels, ii-hubs, ii-impellers, iziphatho zomhlakulo, iishafti zokulima, umbhobho wentsimbi obhityileyo ongenamthungo.Iifasteners ezahlukeneyo ezibalulekileyo kunye neefogi ezinkulu nezincinci;
  • Amandla okuqina ≥885MPa;Amandla esivuno ≥735MPa;Ubude ≥15;Amandla empembelelo ≥47;
  • Izindlela zonyango eziqhelekileyo zokushisa: ukucima i-900 degrees, ukupholisa amanzi, ukutshisa i-570 degrees, ukupholisa amanzi okanye ukupholisa ioli.

3. 50SiMn

  • Amandla aphezulu kunye nokuqina okuhle, ukumelana nokugqwesa okuhle, ukumelana nobushushu obuphezulu be-oxidation, ukusetyenzwa lula kweplastiki, ukugqiba okuphezulu komphezulu, kunye nobuntununtunu bomsindo.Ingathatha indawo ye-40Cr;
  • Isetyenziswa kakhulu kwiigiya ezinkulu zeringi, amavili kunye neenxalenye zeshaft ezinamacandelwana amancinci naphakathi.

4. 16MnCr

  • Intsimbi yentsimbi evela eJamani, elingana neI-16CrMnH yaseTshayina, inokuqina okulungileyo kunye nokucwangciswa okulungileyo, ukuqina komgangatho ophezulu, ukuxhathisa ukunxiba, kunye nefuthe eliphantsi lobushushu obuphantsi;
  • Ngokuqhelekileyo isetyenziselwa iindawo ezinkulu, ezinjengeegiya, i-gear shafts, iintshulube, imikhono yokutywina, izitywina zeoyile ye-turbine, imikhono yepetroli kunye neebholiti, njl.
  • Amandla e-tensile 880-1180;Isivuno samandla 635;Elongation 9;Ukuqina ≤297HB;
  • Inkcazo yonyango lokushisa: I-900 ° C yokucima ioli + i-870 ° C yokucima ioli, i-200 ° C iyancipha.

5. 20MnCr

  • Intsimbi ye-carburizing evela eJamani,elilingana ne-20CrMn e-China, ingasetyenziswa njengentsimbi ecinyiweyo kunye nobushushu.Ukuqina okuhle, ukuguqulwa konyango lobushushu oluncinci, ukuqina okuhle kobushushu obuphantsi, ukusebenza kakuhle kokusika, kodwa ukuwelda okungalunganga;
  • Ingasetyenziselwa iinxalenye ezinecandelo elincinci lomnqamlezo, uxinzelelo oluphakathi kwaye akukho mthwalo omkhulu wempembelelo,njengeegiya, i-shafts, iintambo zokudibanisa, i-rotors, imikhono, amavili e-friction, iintshulube, i-shafts eziphambili, i-couplings, i-universal couplings, uhlengahlengiso I-sleeve yomlawuli wesantya kunye neebholiti ze-cover plate ye-high-pressure isitya, njl.;
  • Amandla okuqina 1482;isivuno amandla 1232;ubude 13;ixabiso lokuqina kwempembelelo 73;ubunzima 357HB;
  • Inkcazo yonyango lobushushu: I-900 ° C yokucima ioli + 870 ° C yokucima ioli, i-200 ° C ishushu

6. 20CrMnTi

  • Carburized steel.Ubunzima buphezulu, ukucwangciswa kakuhle, ukuguqulwa komatshini kuncinci, kwaye ukumelana nokudinwa kulungile.Unobushushu obuphezulu befuthe lokuqina kunye ne-weldability ephakathi;
  • Isetyenziswa kakhulu kwizixhobo zokuhambisa iimoto, ezinokuthi zisetyenziswe njengeegiya, iishafu zegiya, iigiya zeringi, iintloko ezinqamlezayo, njl.;amacandelo abalulekileyo anecandelo elinqamlezayo elingaphantsi kwe-30mm, njengeegiya, iigiyeri, iingcingo zentsimbi, iintsimbi zokutyibiliza, iintsimbi eziziintloko, i-claw clutches, iintshulube, iintloko ezinqamlezileyo, njl.;
  • Amandla okuqina≥1080(110);Amandla esivuno≥835(85);Elongation≥10;Amandla empembelelo≥55;Ixabiso lokuqina kwempembelelo≥69(7);Ukuqina≤217HB;
  • Inkcazo yonyango lobushushu: Ukucima: okokuqala 880 ℃, okwesibini 870 ℃, ukupholisa ioli;ukufudumeza 200℃, ukupholisa amanzi, ukupholisa umoya.

7. 20MnMo

  • Ukusebenza kakuhle kwe-welding.Ukubunjwa kweekhemikhali ze-SA508-3cl.2 zensimbi zifana kakhulu;
  • Isetyenziselwa ukushisa okuphakathi kunye neenqanawa zoxinzelelo oluphezulu, njengentloko, isigqubuthelo esisezantsi, isilinda, njl.;
  • Amandla okuqina ≥470;Amandla esivuno ≥275;Ubude ≥14;Amandla empembelelo ≥31.

8. 25CrMo4

  • Amandla aphezulu kunye nokuqina, ukuqina okuphezulu, akukho brittleness, i-weldability entle kakhulu, ukuthambekela okuphantsi kokwenza iintanda ezibandayo, ukuchaneka okulungileyo kunye neplastikhi ebandayo.
  • Ngokuqhelekileyo isetyenziselwa ukucinywa kunye nobushushu okanye i-carburized kunye nemeko yokucima, isetyenziselwa ukwenza imibhobho yoxinzelelo oluphezulu kunye nezibophelelo ezahlukeneyo ezisebenza kumajelo angabonakaliyo kunye neendaba eziqulethe imixube yenitrogen kunye ne-hydrogen kunye nobushushu obusebenzayo obungaphantsi kwe-250 ℃, kunye nenqanaba eliphezulu. ukungena kwiindawo zeCarbon, ezinjengeegiya, i-shafts, iipleyiti zoxinzelelo, ii-piston zokudibanisa iintonga, njl.;
  • Amandla okuqina ≥ 885 (90);Amandla esivuno ≥ 685 (70);Ubude ≥ 12;Amandla empembelelo ≥ 35;Ixabiso lokuqina kwempembelelo ≥ 98 (10);Ubunzima ≤ 212HB;
  • Inkcazo yonyango lobushushu: ukucima kwi-880 ℃, ukupholisa amanzi, ukupholisa ioli;ukutshisa kwi-500 ℃, ukupholisa amanzi, ukupholisa i-oyile.

9. 35CrMo

  • Amandla aphezulu okurhubuluza kunye nokuqina kwiqondo lobushushu eliphezulu, ubushushu bokusebenza bexesha elide linokufikelela kuma-500 ℃;iplastiki ephakathi ngexesha lokuguqulwa okubandayo, i-weldability embi;iqondo lobushushu eliphantsi ukuya ku -110 ℃, linamandla amileyo aphakamileyo, ukuqina kwempembelelo kunye namandla aphezulu okudinwa, Ukuqina okuhle, akukho tyekelo lokutshisa kakhulu, i-deformation encinci yokucima, iplastikhi eyamkelekileyo ngexesha lokuguqulwa okubandayo, ukuchaneka okuphakathi, kodwa kukho uhlobo lokuqala lobushushu bomsindo, kwaye ukuwelda akulunganga.Kufuneka ifudunyezwe ibe yi-150 ~ 400 degrees celsius phambi kokuba i-welding.Unyango olushushu lwasemva kweweld ukuphelisa uxinzelelo.Ngokuqhelekileyo isetyenziswe emva kokucima kunye nokufudumeza, inokusetyenziswa emva kokucinywa komphezulu ophezulu kunye ophakathi okanye ukucima kunye nobushushu obuphantsi kunye obuphakathi;
  • Eyona nto isetyenziselwa ukwenza iindawo ezibalulekileyo koomatshini abahlukeneyo abanempembelelo, ukugoba kunye ne-torsion, kunye nemithwalo ephezulu, enje ngeegiya ezinkulu zecandelo, iishafti zothumelo ezinzima, iirotor ze-injini ye-injini yomphunga, iishafti eziphambili, iishafti ezixhasayo, iigiya, ii-crankshafts, i-crankshafts, i-hammer rotors. , Iintonga zokuqhagamshela, iziqhoboshi, iiconduwuti ezinodonga ezityebileyo ezingenamthungo, njl. njl.;
  • Amandla okuqina ≥ 985 (100);Amandla esivuno ≥ 835 (85);Ubude ≥ 12;Ukunciphisa indawo ≥ 45;Amandla empembelelo ≥ 63;Ixabiso lokuqina kwempembelelo ≥ 78 (8);Ukuqina ≤ 229HB;
  • Inkcazo yonyango lobushushu: ukucima i-850 ℃, ukupholisa ioli;ukuthambisa 550℃, ukupholisa amanzi, ukupholisa ioyile.

10. 42CrMo

  • Ineempawu ezilungileyo zoomatshini kunye nokusebenza kakuhle,kwaye ukomelela kunye nokuqina kwayo kuphezulu kune-35CrMo;
  • Isetyenziselwa ukwenza iifogi ezinamandla aphezulu okanye icandelo elikhulu elicinyiweyo nelipholileyo kune-35CrMo yentsimbi, enje ngegiya ezinkulu zokutsalwa kwe-locomotive, iigiya zothumelo lwe-supercharger, ii-asi zangasemva, ii-axles zokudibanisa, izinciphisi, ukudityaniswa kwe-shaft jikelele kunye ne-8.8 amabanga, iiBolts, amandongomane, iwasha , njl ububanzi ukuya kwi-100mm;
  • Ukuqina kwe-Anealing 255～207HB, ukucima ubulukhuni ≥60HRC;

11. 50CrMo

  • Amandla kunye nokuqina kuphezulu kune-42CrMo, esetyenziswa ngokubanzi emva kokucima kunye nokuvutha.Inokutshintsha intsimbi ecinyiweyo kunye nepholileyo kunye nomxholo ophezulu we-nickel;
  • Isetyenziselwa ukwenza iifogi ezinamandla aphezulu okanye icandelo elikhulu kunentsimbi ye-42CrMo, enje ngegiya ezinkulu zokutsalwa kwe-locomotive, i-supercharger transmission gears, ii-asi zangasemva, iisilinda ze-injini, i-1200 ~ 2000m ye-oyile enzulu yokomba imibhobho edityanisiweyo, izixhobo zokuloba, iintonga zepiston kunye neBanga lesi-8.8. izibophelelo ezinobubanzi be-100 ~ 160mm;
  • Inkqubo yokunyanga ukushisa: ukucima i-850 °;ukupholisa: ioli;iqondo lobushushu 560 °;ukupholisa: amanzi, ioli;
  • Amandla okuqina yiMPa1080;indawo yesivuno yiMPa930;ulwandiso yi-12, ukucuthwa kwendawo ngama-45, kwaye ukufunxa kwempembelelo yi-63;

12. 20CrMnMo

  • Intsimbi ephezulu ye-carburized, amandla aphezulu kune-15CrMnMo;iplastiki ephantsi kancinci kunye nokuqina, ukuqina okuphezulu kunye neempawu zoomatshini kune-20CrMnTi;iipropathi ezilungileyo ezibanzi zoomatshini kunye nokuqina kwempembelelo yobushushu obuphantsi emva kokucima kunye nokuthambisa;phezulu emva kwe-carburizing kunye nokucima Inamandla aphezulu okugoba kunye nokumelana nokugqoka, kodwa ijwayele ukuqhekeka ngexesha lokugaya;ukuwelda kakubi, ilungele ukumelana ukuwelda, preheating phambi ukuwelda, kwaye tempering emva welding;ukuchaneka okulungileyo kunye nokusebenza okushushu.Inokusetyenziswa endaweni ye-12Cr2Ni4;
  • Ngokuqhelekileyo isetyenziselwa ukuvelisa iindawo ezinkulu kunye ezibalulekileyo ze-carburized ezinobunzima obuphezulu, amandla aphezulu, ukuqina okuphezulu kunye nokumelana nokunxiba, njengama-crankshafts, i-camshafts, i-rods yokudibanisa, i-gear shafts, i-gear, i-pin shafts, njl.
  • Amandla okuqina ≥ 1180;Inqaku lesivuno ≥ 885;Ubude emva kokuphuka ≥ 10;I-shrinkage yecandelo ≥ 45;Umsebenzi wokufunxa impembelelo ≥ 55;Ubunzima beBrinell ≤ 217;
  • Unyango lobushushu: ukucima ubushushu bobushushu obungama-850℃;ukufudumeza ubushushu bokufudumala kwe-200 ℃;

13. 18MnMoNb

  • Ukumelana nobushushu obuphezulu obungaphantsi kwe-500 ~ 530 ℃, ukuwelda okulungileyo kunye nokusebenza kokucubungula;
  • Ngokuqhelekileyo isetyenziswe kwiikhemikhali eziphezulu zoxinzelelo, iisilinda ze-hydraulic, i-hydraulic turbine shafts, njl.Inamandla aphezulu kunye nomlinganiselo wesivuno, ukusebenza kakuhle kwe-thermal processing kunye nokusebenza kobushushu obuphakathi, inkqubo yokuvelisa elula, ukusebenza kakuhle kwe-welding, kunye nokumelana nobushushu obuphezulu.Isetyenziselwa ukwenziwa koxinzelelo oluphezulu lwebhoyila imigqomo yomphunga kunye nezikhongozeli zeekhemikhali ezinkulu;ikwasetyenziswa njengeeshafu ezinkulu zeeinjini zehydraulic kunye nee-hydro-generator, kunye ne-AC kunye ne-DC motor shafts;
  • Amandla okuqina ≥635;Amandla esivuno ≥510;Elongation 17;Ixabiso lefuthe lobushushu begumbi 69;
  • Ukucaciswa konyango lobushushu: ukunyanzeliswa ngokubanzi + unyango olushushu: 950～980℃ ukulinganisa, ukugcinwa kobushushu 1.5min～2.0min/mm, 600～650℃ ubushushu, ukugcinwa kobushushu 5min～7min/mm, ukupholisa umoya.

14.42MnMoV

  • Ucime kwaye unomsindo ophantsi we-alloy steel.Ingathatha indawo ye-42CrMo;
  • Ikakhulu isetyenziselwa ukwenza i-shafts kunye nezixhobo, njl.
  • Umphezulu wokucima ubulukhuni yi-45 ~ 55HRC;amandla okuqina ≥765;isivuno samandla ≥590;ubude ≥12;ukunciphisa indawo ≥40;amandla empembelelo ≥31;ubunzima 241-286HB.

 

Umthombo:Uncwadi lobuchwephesha boomatshini.

Umhleli: Ali

Ixesha lokuposa: Nov-16-2021