Ho qhekella ho chesangke ho qaptjoa ha tšepe ka holimo ho mocheso oa recrystallization.
Ho eketsa mocheso ho ka ntlafatsa polasetiki ea tšepe, ho thusa ho ntlafatsa boleng ba ka hare ba workpiece, e le hore ho se ke ha e-ba bonolo ho senya. Mocheso o phahameng o ka fokotsa khanyetso ea tšepe ea deformation, oa fokotsa boima ba lithane tse hlokahalang tsa mochini oa forging. Empa ts'ebetso e chesang ea ho qhekella, ho nepahala ha workpiece ho fokola, bokaholimo ha bo boreleli, ho theha habonolo ho hlahisa oxidation, decarburization le tahlehelo e tukang. Ha workpiece e le khōlō ebile e teteaneng, matla a thepa a phahame 'me polasetiki e tlaase (e kang ho roala ha poleiti e teteaneng e eketsehileng, bolelele ba setšoantšo sa molamu o phahameng oa carbon steel, joalo-joalo).ho qapa ho chesae sebelisoa. Ha tšepe (e kang loto, thini, zinki, koporo, aluminium, joalo-joalo) e na le polasetiki e lekaneng 'me palo ea deformation ha e kholo (joaloka ts'ebetsong e mengata ea litempe), kapa palo eohle ea deformation le mokhoa oa ho qapa o sebelisitsoeng ( joalo ka extrusion, radial forging, joalo-joalo) e thusa ho deformation ea polasetiki ea tšepe, hangata u se ke ua sebelisa forging e chesang, empa sebelisa forging e batang. Mocheso o fapaneng pakeng tsa mocheso oa pele oa forging leho qapa ho qetelamocheso oa forging e chesang e lokela ho ba kholo ka hohle kamoo ho ka khonehang e le ho finyella mosebetsi o mongata oa forging ka hohle kamoo ho ka khonehang ka mocheso o le mong. Leha ho le joalo, holimotlhahiso ea pelemocheso o tla lebisa khōlong e feteletseng ea lijo-thollo tsa tšepe le ho thehoa ha overheating, e leng ho tla fokotsa boleng ba likarolo tsa forging. Ha mocheso o le haufi le ntlha ea ho qhibiliha ea tšepe, ntho e tlaase ea ho qhibiliha e qhibiliha 'me ho tla etsahala intergranular oxidation, e leng se etsang hore ho be le ho chesa haholo. Hangata li-billets tse chesitsoeng ho feta tekano li robeha nakong ea ho qhekella. Kakaretsoho qapa ho chesamocheso ke: carbon tšepe 800 ~ 1250 ℃; Alloy sebopeho tšepe 850 ~ 1150 ℃; Lebelo le phahameng tšepe 900 ~ 1100 ℃; Aloimini e sebelisoang ka tloaelo 380 ~ 500 ℃; Titanium motsoako 850 ~ 1000 ℃; Koporo 700 ~ 900 ℃.
Mohatsela o phodilengke ka tlaase ho feta tšepe recrystallization mocheso oa forging, eo hangata e bitsoa batang forging mocheso kamoreng, 'me e tla ba phahameng ho feta mocheso kamoreng, empa eseng ho feta recrystallization mocheso oa forging bitsoa mofuthu forging. Ho nepahala ha forging e futhumetseng ho phahame, bokaholimo bo boreleli haholoanyane mme khanyetso ea deformation ha e kholo.
The workpiece e entsoeng ka ho bata ka tlas'a mocheso o tloaelehileng o na le ho nepahala ho phahameng ka sebōpeho le boholo, bokaholimo bo boreleli, mekhoa e fokolang ea ho sebetsa le ho bonolo ho iketsetsa tlhahiso. Likarolo tse ngata tse batang le tse hatelitsoeng ka serame li ka sebelisoa ka kotloloho e le likarolo kapa lihlahisoa ntle le tlhoko ea ho itšeha. Empa kamohatsela o phodileng, ka lebaka la polasetiki e tlaase ea tšepe, ho bonolo ho senya nakong ea deformation, 'me ho hanyetsa ha deformation ho kholo, kahooho etsa lithane tse kholo'me mochine oa khatiso oa hlokahala.
Nako ea poso: Apr-02-2021