1, mu gawo lililonse la austenitic isothermal kusintha chithunzi, mwachitsanzo, za 500-600 ℃, madzi mu nthunzi filimu siteji, ndi kuzirala liwiro si kudya mokwanira, amene nthawi zambiri amatsogolera ku "mfundo zofewa" anapanga ndi kuzirala osagwirizana ndi osakwanira kuzirala liwiro forging. siteji, ndi kuzirala liwiro ndi mofulumira kwambiri, zosavuta kuti martensitic kusintha liwiro ndi mofulumira kwambiri ndi kutulutsa kuchuluka kwa nkhawa mkati, chifukwa mu forging mapindikidwe kapena ngakhale akulimbana.

2, kutentha kwa madzi kumakhudza kwambiri mphamvu yoziziritsa, chifukwa chake ndi tcheru ndi kusintha kwa kutentha kozungulira. Pamene kutentha kwa madzi kumawonjezeka, mphamvu yozizirira imachepetsa kwambiri, ndipo kutentha kwa kutentha kwapamwamba kumapita kumalo otsika kutentha.Pamene kutentha kwa madzi kumadutsa 30 ℃, liwiro lozizira mumtundu wa 500-600 ℃ limachepetsa mwachiwonekere, zomwe nthawi zambiri zimatsogolera kuti zisaumitsidwe, koma zimakhala ndi mphamvu zochepa pa liwiro loziziritsa kuzizira mumtundu wa 6 kutentha kwa 600 ℃. mtengo udzatsika ndi pafupifupi 50%.

3, pamene madzi ali ndi mpweya wochuluka (monga madzi atsopano), kapena madzi osakaniza ndi zosafunika zosasungunuka, monga mafuta, sopo, matope, ndi zina zotero, zidzachepetsa kwambiri mphamvu yake yozizira, kotero ntchito ndi kasamalidwe ziyenera kukhala chidwi chapadera.
Malinga ndi kuzirala makhalidwe madzi, madzi H angagwiritsidwe ntchito kuzimitsa ndi kuzirala kwa mpweya zitsulo forgings ndi yaing'ono chigawo kukula ndi shape.Quenching yosavuta, ayeneranso kuzindikira: kusunga madzi kutentha m'munsimu 40 ℃, yabwino pakati pa 15 mpaka 30 ℃, ndi kusunga madzi kapena kufalitsidwa madzi, kuwononga forging pamwamba nthunzi nembanemba, kapena kupanga ntchito kusuntha pansi nthunzi nembanemba (chidutswa chogwira ntchito) kusokoneza nembanemba nthunzi, kuwonjezera mlingo kuzirala pakati 500-650 ℃, zinthu kuzirala, kupewa kutulutsa mfundo zofewa.

Kuchokera: 168 forgings net