Tare da saurin bunkasuwar masana'antar man fetur ta kasar Sin, bukatar karafa mai daraja tana karuwa, kuma dole ne a kashe karafa mai daraja, sabili da haka nazarin yadda ake kashe karafa baki daya yana da matukar muhimmanci. Cibiyar Bincike Kan Mashina ta Kasar Sin ta ɓullo da "dip quenching + spray + spin" da "a waje da jet shower + spin" matakai biyu, da bincike da bunƙasa da suka shafi quenching line, kuma ya sami sakamako mai kyau. Dukansu quenching tsari yana da nasa halaye, waje shawa ciki jet quenching samar line dace da man rijiyoyin bututu, man casing, rawar soja bututu quenching, mafi conducive zuwa overall quenching bakin ciki bango karfe tube; nutsewa quenching samar line dace bango kauri kwatanta Great overall hardening high yi lokacin farin ciki-bare tube, da kayayyakin da ake amfani da yafi a kasa tsaro, makamashin nukiliya, man fetur da gas da kuma na kera masana'antu.

Immersion quenching samar line
Kayan aikin kashe gida da ake amfani da su a halin yanzu, akwai wasu lahani masu kauri, kamar (1), lankwasa bututu mai kauri cikin sauƙi, madaidaiciya, rashin ƙazanta, zuwa siffa ta gaba tana haifar da matsaloli; (2) Bututu na ciki da na waje ba za a iya kashe shi ba, sakamakon abin da ke cikin jikin Markov ya ragu, rashin daidaituwa; (3) tsadar aiki, rashin tsaro. A mayar da martani ga wadannan kasawa, da asibiti m bincike da ci gaba, cikakken sets na masana'antu na duniya na farko amfani da "immersion quenching + Juya + ciki fesa" quenching na karfe bututu bango kauri fiye da 20 mm daga overall nutse quenching quenching samar line. Hanyar hanya ita ce: taurare karfe tanderu dumama kayan aiki → isowa ma'auni saka a kan dagawa da sauri juyawa yana nufin latsa ma'anar latsa goyon bayan dabaran drive karfe bututu → kewaye da sauri jujjuya dagawa Silinda don fitar da karfe firam katako m nutsewa quenching a cikin ruwa → cikin feshi. bututun ƙarfe zuwa ciki na allurar bututun ƙarfe → ƙarshen kashewa, a cikin tasha → game da ɗaga Silinda zai tashi firam ɗin ƙarfe na ƙarfe → gungurawa don dakatar da na'urar ciyarwa a na'urar ciyarwa ta hanyar toshe-by-juya zuwa tushen ruwan da ba komai. Bangaren bututu → Ruwa mara kyau yana nufin ɗaga ƙarshen bututun an ɗaga ƙara matsa lamba ta iska mai kashe ruwa → ruwa → bututu mai ɗaukar ruwa a cikin bututun a hankali an kai shi zuwa injin rollers → cikakken ƙarfin ƙarfe. Wannan immersion quenching quenching unit a karon farko ta amfani da "immersion quenching + Juyawa + ciki SPRAY" sabuwar fasaha don babban diamita, kauri-bango bututu gaba ɗaya quenching warware babban diamita lokacin farin ciki-karo quenching bututu lankwasa quenching, quenching m fasaha matsaloli; Mun cimma wadannan gagarumin sakamako: (1) Saboda da overall matakin na ruwa bututu, high-gudun juyawa, Multi-aya karin taimako goyon baya, don haka da cewa ƙwarai inganta straightness na karfe, kasa da 2 mm / m, saduwa da bukatun na samfurin. (2) ta yin amfani da aikin juyawa a cikin bututun fesa ta hannu, yana rage girman bututun bututun bututun da ya dace. (3). 3 HRC.

"Fsa + shawa a waje + jujjuyawar ciki" tsari na kashewa.
Wannan tsari yana da ɗan ƙaramin kauri na bango don bututu. Taurare karfe tanderu mai tsanani zuwa game da 1000 ℃, feed abin nadi zuwa matsayin da za a sa ran, da ciyar da na'urar don dauke karfe jefa shi a kan jinkirin juyawa yana nufin juyawa goyon baya ƙafafun, da matsa lamba saka a kan fesa tara m tightening nufin latsa bututu, da Rotary drive yana nufin sauri jujjuya sauri karfe bututu, karfe bututu is located kai tsaye sama da m surface na zuba tube zuwa uniform m bututu sprinkler, yayin da SPRAY yana nufin shigar a cikin bututu karshen bututu bango zuwa fesa shugaban. Don haka saman ciki da na waje na bututun ƙarfe sun kasance iri ɗaya quenching.