Quenching da tempering zafi magani na 40Cr karfe?

Menene quenching da tempering zafi magani na40Cr karfe?

40Cr yana inganta ƙarfin ƙarfin ƙarfe, yana haɓaka ƙarfinsa da kwanciyar hankali, kuma yana da kyawawan kaddarorin inji.Kayan aiki tare da manyan ma'auni na giciye ko gyare-gyare masu mahimmanci ya kamata su yi amfani da karfe na Cr, amma Cr karfe yana da nau'i na biyu na haushi.

Ta yaya za mu fuskanci quenching da tempering zafi magani na 40Cr workpieces da daban-daban siga aiwatar katin dokokin a cikin ainihin aiki?

(1) Bayan quenching da tempering zafi magani na 40Cr workpieces, mai sanyaya ya kamata a yi amfani.40Cr karfe yana da kyawawan kaddarorin kashewa, ana iya taurare ta hanyar sanyaya a cikin mai, kuma yanayin kayan aiki don lalata da fashe ƙananan ne.Koyaya, ƙananan masana'antu da matsakaitan masana'antu na iya kunna kayan aikin da ba su da sarkakiya a cikin ruwa lokacin da man fetur ya takura, amma ba a sami fasa ba.Koyaya, yakamata ma'aikata su kula da ruwa sosai da zafinsa dangane da gogewa.

(2) Bayan tempering, taurin 40Cr workpiece har yanzu in mun gwada da high, da kuma na biyu tempering zafin jiki ya kamata a ƙara da 20-50.In ba haka ba, yana da wuya a rage taurin.

(3) Bayan high-zazzabi tempering na 40Cr workpieces, da hadaddun siffofi suna sanyaya a cikin man fetur da kuma kawai a cikin ruwa don kauce wa tasiri na biyu irin tempering brittleness.A workpiece bayan m tempering da sanyaya ya kamata a bi da tare da danniya taimako idan ya cancanta.Akwai abubuwa guda uku waɗanda ke shafar ingancin aikin da aka daidaita, kuma matakin ma'aikaci yana da mahimmanci.Hakanan akwai dalilai daban-daban kamar kayan aiki, kayan aiki, da sarrafa daidaitawa.Mun yi imani da cewa (1) gudun da workpiece motsi daga tanderu zuwa sanyaya tanki ne jinkirin, da kuma yawan zafin jiki na workpiece shiga cikin ruwa ya ragu a kasa da m batu na Ar3, sakamakon wani m bazuwa da kuma m microstructure na workpiece. , wanda bai dace da buƙatun taurin ba.Sabili da haka, mai sanyaya don ƙananan sassa ya kamata ya kula da sauri, yayin da manyan kayan aiki don kwantar da hankali, ya zama dole don fahimtar lokaci.(2) Adadin wutar lantarki mai narkewa ya kamata ya zama mai ma'ana, tare da yadudduka 1-2 sun dace.Lokacin da workpiece overlaps da juna, da dumama ne m da taurin ne m.(3) Shirye-shiryen shigar ruwa a cikin kayan aikin ya kamata a kiyaye shi a wani ɗan nesa.Saboda kasancewa mai matsewa, fim ɗin tururi kusa da aikin aikin ya karye kuma yana hana shi, yana haifar da ƙananan taurin aikin.(4) Buɗe tanderun don kashe wuta ba zai iya kashe gaba ɗaya gaba ɗaya ba.Wajibi ne a kashe tsakiyar tsakiyar tanderun kuma a sake yin zafi bisa ga matakin rage yawan zafin jiki a cikin tanderun.Tauri na gaba da na baya workpieces bayan quenching ya zama m.(5) Kula da zafin jiki na ruwan sanyi.Ba za a iya amfani da 10% na ruwan gishiri sama da 60 ba.Ruwan sanyaya yakamata ya zama mara datti kamar mai da laka.In ba haka ba, rashin isa ko rashin daidaituwa na iya faruwa.(6) Rashin daidaituwa taurin taurin da ba a sarrafa ba.Don cimma kyakkyawan ingancin daidaitawa, albarkatun ƙasa dole ne su zama shayi mara nauyi, kuma dole ne a yi amfani da jemagu.(7) Bayan ingantaccen kulawar inganci, taurin yana raguwa ta raka'a 1-3 bayan quenching, kuma ana iya daidaita zafin jiki don saduwa da buƙatun taurin.Koyaya, bayan gobarar, taurin aikin ya yi ƙasa sosai, kuma HRC250000 zuwa 350000 kawai za a iya sake kunnawa.Ba zai yiwu a ƙara matsakaici ko ƙananan zafin jiki kawai don saduwa da buƙatun zane ba.In ba haka ba, mahimmancin mai sarrafawa zai rasa, yana haifar da sakamako mai tsanani.