Bututun ƙarfe mai laushi yana ɗaya daga cikin bututun tukunyar jirgi da ake amfani da su a cikin bututun tukunyar wutar lantarki. Yawancin waɗannan bututu suna aiki a ƙarƙashin babban zafin jiki da matsa lamba, saboda haka, akwai wasu buƙatu akan kayan aikin injiniya na bututun ƙarfe mai sauƙi, aikin walda da aikin ƙungiya, ban da buƙatar samun yanayin ɗaki mai kyau da kaddarorin injin zafin jiki, waɗannan bututun. suna buƙatar sarrafa sanyi mai yawa, saboda haka, buƙatun waɗannan bututu dole ne su sami babban ductility da tauri. Shirye-shiryen sarrafa sanyi yana da mahimmanci don tsarin shigar da bututun tukunyar jirgi, amma a cikin tsarin lanƙwasa sanyi, ƙarfin aiki kuma zai kasance na bargo. Cold-formed general, akwai hanyoyi guda biyu, daya ba sanyi ba kafin preheating sanyi alfahari preheating. Preheated yawanci tocila ga yin burodi, preheated zafin jiki empirically da afareton don gane, da kuma bayan duka biyu lankwasa sanyi, kuma babu wani tsarin magani zafi. Sabili da haka, gudun hijirar sarrafa sanyi sau da yawa yakan kawo canje-canje na kaddarorin inji da canje-canje a cikin ayyukan ƙungiyoyi, waɗanda suka kafa bututu mai yuwuwar haske a cikin inshorar tsarin sabis don zama ɗaya daga cikin dalilan gazawar. An sani, sanyi lankwasawa bayan hardening yana haifar da ƙarfin bututun ƙarfe da haɓakar taurin, ductility da taurin ya ragu, dalilin ya karye crystal kuma kusa da lattice mai ƙarfi torsional SUI jan zame jirgin sama, yana ƙaruwa da juriya don haka ci gaba da zuwa. zamewa da wuya a aiwatar. Haka kuma, tare da karuwa da digiri na nakasawa, aiki hardening tsari gashi zinariya ya karu.

Don ƙananan bututun ƙarfe na carbon, sarrafa sanyi (ciki har da sanyi-kafa kafin dumama) zai yi tasiri sosai akan ƙungiyar bututun ƙarfe, kai tsaye zai haifar da gazawar karyewa kai tsaye. Don haka, dole ne ƙungiyar ta zama ƙaƙƙarfan matakan sarrafa bututun ƙarfe mai sanyi don ƙanana.

Haɓaka dumi mai ma'ana

A cewar daban-daban steels reply da recrystallization zafin jiki, don aiki fitar da daidai preheat zafin jiki da kuma aiki hanyoyin, kuma ba makanta dumama, kada ya wuce Ac] lokaci mika mulki batu, da dumi-up na iya hana rugujewar kusurwa fatattaka ko samuwar micro - karaya. Duk da haka, bayanan sun nuna cewa ƙananan ƙarfe na carbon a cikin 300. C game da lokacin da za a sami "blue brittle" maimakon filastik taurin yana raguwa. Saboda haka, domin mafi smoothly zuwa nakasawa mataki, da preheating zafin jiki a 400 ~ 500. C na wari ya fi dacewa. A lokaci guda, kula da takalma, tawul, saurin nakasawa mai sanyi; da sauri. Haɓaka saurin sifar rani, mafi girman zafin jiki na "Blue marrow".

Maganin dumama bayan net lankwasawa

Recrystallization annealing, da kuma kawar da inji Properties saboda aikin hardening canje-canje bisa ga daban-daban bayani dalla-dalla da kuma aiki yanayi na workpiece dole ne a za'ayi a kan workpiece bayan sanyi aiki. Ana amfani da 640 don bututun ƙarfe don 20 # annealing, na iya zama kyakkyawan taimako na danniya da dawo da kayan aikin injiniya. Amma ya kamata a lura da cewa, a cikin tsarin sanyaya na gaba, ya zama dole don jinkirin sanyaya, - kamar yanayin sanyi ba zai iya zama fiye da 6 zuwa 8. C / ruwan sama ba.

A cikin ɗan gajeren bututun ƙarfe mai laushi mai laushi a cikin tsarin lanƙwasawa mai sanyi (ciki har da dumama), tasiri mai mahimmanci akan aikin ƙungiya ya zama bututun ƙarfe, sakamakon kai tsaye na rashin ƙarfi mai tsanani. Preheat da sanyi-kafa carbon karfe bututu ya zama tsananin daidai da aiwatar da kisa, bayan sanyi-kafa dole ne kauce wa layi annealing zafi magani.