Domin inganta surface taurin da sa juriya na16Mn bututun rectangular, Jiyya na sama, irin su harshen wuta, matsanancin zafi mai zafi, maganin zafin jiki, da dai sauransu ya kamata a gudanar da shi don bututun rectangular. Gabaɗaya magana, yawancin filaye masu tsayi da matsakaici suna kashewa, kuma zafin zafi yana da digiri 850-950. Saboda rashin ƙarancin wutar lantarki, gudun dumama bai kamata ya yi sauri ba. In ba haka ba, fashewar fashewa da quenching za su bayyana. Matsakaicin quenching yana buƙatar cewa matrix ɗin da aka daidaita shine galibi pearlite. Ruwan fesa ko polyvinyl barasa sanyaya. The tempering zafin jiki ne 200-400 ℃, da kuma taurin ne 40-50hrc, wanda zai iya tabbatar da taurin da sa juriya nasquare tubefarfajiya.
Za a lura da mahimman abubuwan da ke gaba yayin kashewa16Mn square tube:
(1)Ba za a yi zafi da bututu mai elongated a tsaye a cikin tanderun wanka na gishiri ko kuma tanderu mai kyau ba kamar yadda zai yiwu, don rage nakasar da ta haifar da nauyin sa.
(2)Lokacin dumama bututu tare da sassa daban-daban a cikin tanderu iri ɗaya, ƙananan bututu za a sanya su a ƙarshen ƙarshen tanderun, kuma manyan bututu da ƙananan bututu za a daidaita su daban.
(3)Kowane adadin caji zai dace da matakin wutar lantarki. Lokacin da adadin ciyarwa ya yi girma, yana da sauƙi don matsawa da hawan zafin jiki, kuma lokacin zafi yana buƙatar ƙarawa.
(4)Za a ɗauki zazzabi mai kashe bututu masu murabba'in murabba'in murabba'in da aka kashe da ruwa ko brine a matsayin ƙananan iyaka, kuma za a ɗauki zafin zafin mai ko narkakken gishirin da aka kashe a matsayin iyakar babba.
(5)A lokacin kashe matsakaicin matsakaicin dual, lokacin zama a cikin matsakaicin quenching na farko dole ne a sarrafa shi bisa ga hanyoyin uku na sama. Lokacin motsi daga matsakaici na farko zuwa matsakaici na quenching na biyu zai zama gajere gwargwadon yiwuwa, zai fi dacewa 0.5-2s.
(6)Bututun da fuskarsu aka haramta daga iskar shaka ko tarwatsewa za a yi zafi a cikin tanderun wanka na gishiri mai daidaitacce ko tanderun yanayi mai karewa. Idan bai cika sharuɗɗan ba, ana iya yin zafi a cikin tanderun juriya na iska, amma yakamata a ɗauki matakan kariya.
(7)Bayan bututun rectangular na 16Mn ya nutsar da shi a tsaye a cikin matsakaiciyar kashe wuta, ba ya jujjuyawa, yana motsawa sama da ƙasa, kuma ya dakatar da motsawar matsakaiciyar kashewa.
(8)Lokacin da ikon sanyaya sassan da ke buƙatar babban taurin bai isa ba, za a iya nutsar da duka a cikin matsakaicin quenching a lokaci guda, kuma ana iya sanyaya sassan ta hanyar fesa ruwa don inganta saurin sanyaya.
(9)Dole ne a sanya shi a cikin yankin dumama mai tasiri. Adadin caji, hanyar caji da nau'in tarawa zai tabbatar da cewa zafin jiki na dumama daidai ne, kuma ba zai yiwu a haifar da nakasawa da sauran lahani ba.
(10)Lokacin dumama a cikin tanderun gishiri, kada ya kasance kusa da lantarki don gujewa zafi na gida. Nisa zai zama sama da 30mm. Nisa daga bangon tanderun da zurfin nutsewa a ƙasa matakin ruwa zai zama daidai da 30mm.
(11)Tsarin karfe da carbon karfe za a iya mai tsanani kai tsaye a cikin tanda tare da quenching zafin jiki ko 20-30 ℃ fiye da quenching zafin jiki. High carbon da high gami karfe za a preheated a game da 600 ℃ sa'an nan kuma tashe zuwa quenching zafin jiki.
(12)Za a iya ƙara yawan zafin jiki da kyau don bututu tare da zurfin hardening Layer, kuma ana iya zaɓar ƙananan zafin jiki don bututu tare da Layer hardening Layer.
(13)Fannin bututu mai murabba'in miliyan 16 ba zai zama maras mai, sabulu da sauran datti ba. Ainihin, zafin jiki na ruwa bazai wuce 40 ℃ ba.
Lokacin aikawa: Satumba-16-2022
