Phekolo ea mocheso ea ho forging, ka lebaka la matla a maholo a sebōpi se futhumatsang le nako e telele ea ho kenya letsoho, tšebeliso ea matla e kholo haholo ts'ebetsong eohle, ka nako e telele, mokhoa oa ho boloka matla a ho phekola mocheso oa ho forging o bile teng. bothata bo boima.

Seo ho thoeng ke "zero insulation" quenching, ke ho supa ho forging futhumatsang, bokaholimo ba eona le mantlha ho fihla quenching futhumatsang mocheso, ha ho insulation, hang-hang quenching tsidifatso tshebetso.Ho ea ka khopolo ea setso austenitic, forging lokela ho ba le nako e telele. nako ea ho kenya letsoho ts'ebetsong ea ho futhumatsa, e le ho phethela nucleation le kholo ea lithollo tsa austenitic, ho qhibiliha ha cementite e setseng le homogenization. ea austenitic.Theknoloji ea hona joale ea ho tima le ho futhumatsa ea forgings e hlahisoa tlas'a tataiso ea khopolo ena.Ha e bapisoa le mokhoa oa hona joale oa ho tima, "ho boloka mocheso oa zero" ho tima ho boloka nako ea ho boloka mocheso o hlokoang ke homogenization ea sebopeho sa austenitic, eseng feela se ka khonang. boloka 20% -30% ea matla, ntlafatsa katleho ea tlhahiso 20% -30%, empa hape e ka fokotsa kapa ea felisa liphoso tsa oxidation, decarbonization, deformation joalo-joalo, e leng se loketseng ho ntlafatsa boleng ba sehlahisoa.

Ha tšepe ea carbon le tšepe e tlaase ea alloy e futhumetse ho Ac1 kapa Ac2, mokhoa oa homogenization oa austenite le ho qhibiliha ha carbides ka pearlite li potlakile. Thermal insulation, ke hore, ho fihlela zero thermal insulation quenching.Ka mohlala, ha bophara kapa botenya ba 45 tšepe workpiece e seng ho feta. 100mm, ho futhumatsa sebōping sa moea, mocheso oa holim'a metsi le mokokotlo o batla o fihlile ka nako e le 'ngoe, kahoo nako ea eona ea junifomo e ka hlokomolohuoa, ha e bapisoa le mokhoa oa setso oa tlhahiso (r = aD) o nang le mocheso o moholo oa ho futhumatsa, o ka e fokotsehile ka hoo e ka bang 20% ​​-25% ea ho tima nako ea ho futhumatsa.

Tlhahlobo ea maikutlo le liphetho tsa liteko li bonts'a hore hoa khoneha ho amohela "zero insulation" ho tima le ho futhumatsa mocheso o tloaelehileng oa tšepe ea sebopeho. Haholo-holo, 45, 45 mn2 carbon structural steel kapa single element alloy structural steel, tšebeliso ea "zero insulation" ts'ebetso e ka netefatsa thepa ea mochini ea litlhoko; 45, 35CrMo, GCrl5 le lisebelisoa tse ling tsa tšepe tsa sebopeho, ts'ebeliso ea Ho futhumatsa "zero insulation" ho feta mocheso oa setso ho ka boloka nako ea ho futhumatsa e ka bang 50%, chelete eohle ea ho boloka matla ea 10% -15%, ho ntlafatsa katleho ea 20% -30%, ka nako e ts'oanang "zero insulation" ts'ebetso ea ho tima e thusa. ho hloekisa lijo-thollo, ho ntlafatsa matla.

(Ho tloha: 168 forgings net)