1) Cov khoom siv ntawm qhov chaw ua haujlwm tseem ceeb ntawm qhov tuag yog qhov tsis tsim nyog. Cov khoom siv tsis zoo, tsis muaj hnav tsis kam; Cov hlau tuag tsis ua kom zoo thiab muaj ntau yam tsis xws luag; Cov txheej txheem forging ntawm cov punch thiab tuag, forging dawb paug tsis zoo tag nrho, thiab muaj qhov zais cia ntawm kev kho cua sov.
2) Tuag qauv tsim teeb meem, stamping tuag qauv yog tsis tsim nyog. Tsis muaj cov cuab yeej txhawb nqa tsim los rau cov punch me me, qhov chaw nres nkoj tawm tsis yog du thiab muaj kev sib tw, thiab lub zog tawm yog siab dhau lawm, uas ua rau cov punch dais ntau dua alternating load.
3) Cov txheej txheem tuag tsis zoo yog feem ntau tshwm sim nyob rau hauv qhov tsis zoo sab hauv ntawm lub concave thiab concave tuag forging blanks, thiab cov teeb meem hauv kev kho cua sov tshuab thiab txheej txheem, uas ua rau lub convex thiab concave tuag yuav tsis huv quenched, nrog mos. qhov chaw thiab tsis sib xws hardness. Qee zaum microcracks, txawm tias tawg, sib tsoo thiab polishing tsis nyob rau hauv qhov chaw, thiab qhov roughness tus nqi yog loj heev.
4) Tsis muaj lubrication lossis lubrication tab sis tsis zoo.