Induction dumama walda kabu Hanyar magani

Bututun karfe shine babban nau’in karfe wanda waldansa ke buƙatar maganin zafi don haɓaka kayan aikin injiniya. Karfe da aka yi amfani da su a cikin nau’ikan ƙarfin ƙarfe daban-daban da buƙatun su don ƙarfin zafin ɗaki an jera su a cikin Table 6-2. Dangane da nau’in karfe da kayan aikin injiniya da aka jera a cikin Teburin 6-2, manyan hanyoyin maganin zafi don inganta aikin gabaɗaya na welds sun haɗa da daidaitawa da jiyya, daidaitawa + yanayin zafi, quenching + kula da zafin jiki da sauran hanyoyin. A halin yanzu, maganin daidaita walda an fi amfani dashi wajen samar da bututun walda na gida, kuma har yanzu ba a fara amfani da wasu hanyoyin magance zafi ba. Mafi ci gaba weld zafi magani ne quenching da tempering samar line. Normalizing jiyya yawanci amfani da a manyan-sikelin welded bututu samar layukan kasashen waje, da quenching da tempering jiyya ne kawai amfani da mutum kamfanoni a Japan da Tarayyar Turai. Induction dumama quenching da tempering jiyya na welds shine alkiblar ci gaban gaba.

Tebur 6-2 Daidaitaccen darajar karfe da ƙarfin zafin jiki na bututun ƙarfe

(1) Weld induction dumama normalizing jiyya ya haɗa da jiyya mai banƙyama, wani lokaci ana kiransa rage damuwa. Tsarin al’ada na dumama na walda shine don dumama walda zuwa zazzabi sama da Ae, sannan a sanyaya iska zuwa ƙasa da 400 ° C da sanyaya ruwa zuwa zafin jiki bayan 900 ~ 950 ° C. Ta wannan hanyar, an kawar da damuwa na ciki na walda, an tsabtace ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar kuma kuma an inganta filastik da tasiri. Weld shigar da dumama normalizing jiyya ya dace da talakawa low-alloy karfe da wasu low-gawa high-ƙarfi karafa, daidai da welded bututu kasa X60 karfe sa. Jiyya na walda induction dumama annealing magani shine don ƙona kabu ɗin walda zuwa 700 ~ 750°C yankin dual-phase zone, sa’an nan kuma sanyaya iska zuwa dakin zafin jiki, manufar ita ce kawar da damuwa na ciki na walda da haɓaka filastik. Annealing magani ne yafi amfani ga carbon karfe da kuma wasu talakawa low-alloy karfe welded bututu. Ba a cika yin amfani da wannan tsari a cikin layukan samar da bututun walda ba.

(2) Weld induction dumama normalizing + tempering magani Bayan daidaita jiyya, lokacin da taurin walda yana da girma kuma har yanzu robobi ya yi ƙasa, ana iya amfani da maganin zafin jiki mai zafi don magance shi. Induction dumama da zafi shine don dumama walda zuwa zafin jiki a ƙasan Ad, yawanci a kusa da 650 ℃ sannan a sanyaya iska. Bayan high zafin jiki tempering jiyya, da martensite tsarin a cikin raw karfe an canza zuwa tempered sorbite da ferrite, da plasticity na weld da aka inganta, da taurin ne rage, da kuma ƙarfi canje-canje kadan.Weld amfani da induction dumama tanderun quenching da tempering magani. goma wannan hanyar maganin zafi, wanda kuma aka sani da quenching, quenching da induction dumama layin weld maganin zafi shine fasaha mafi ci gaba. Bayan quenching da tempering, da m inji Properties na waldi kabu gaba daya isa matakin na bututu jiki, gane uniformity na waldi kabu da kuma bututu jiki yi. Tushen wannan fasahar maganin zafi shine ƙware fasahar dumama filin maganadisu don tabbatar da daidaito da daidaiton zafin dumama. Domin low-alloy high-ƙarfin karfe da micro-haɗa high-ƙarfi karfe welds, da quenching dumama zafin jiki ne 900 ~ 950 ℃, da tempering dumama zafin jiki ne 600 ~ 650 ° C, da quenching rungumi dabi’ar fesa sanyaya, da kuma tempering rungumi dabi’ar iska. sanyaya da sanyaya ruwa. Haɗa sanyaya. Lokacin da quenching da tempering zafin jiki ne mai tsanani da wani a tsaye Magnetic filin, daidaiton zafin jiki kula iya isa ± 10 ° C, wanda shi ne zama dole zazzabi kula matakin ga high-ƙarfi welded bututu don kula da barga yi. Yin amfani da walda mai dumama filin juye-juye kuma yana buƙatar babban madaidaicin sarrafa zafin jiki • a halin yanzu • Kasar Sin har yanzu tana kan ci gaba, daga daidaiton wannan babban bambanci. Duk da haka, an yi imanin cewa nan ba da jimawa ba za a shawo kan wannan fasaha na dumama, kuma za a yi zafi da kuma zafi ta hanyar dumama shigarwa ta kan layi.