1. Kev xaiv cov khoom ntawm cov khoom tseem ceeb ntawm cov yas pwm yog qhov tsis tsim nyog. Cov khoom siv tsis zoo thiab tsis muaj hnav tsis kam; Cov pwm hlau tsis tau ua kom zoo dua qub thiab muaj ntau yam tsis xws luag; Cov txheej txheem forging rau convex thiab concave pwm thiab forging blanks yog tsis zoo tag nrho, thiab muaj residual kev kho cua sov txaus ntshai.
2. Yas pwm qauv tsim teeb meem, tsis tsim nyog punching tuag qauv. Lub slender convex pwm tsis yog tsim los nrog cov cuab yeej txhawb nqa, ua rau muaj kev cuam tshuam ntawm qhov chaw nres nkoj tawm, thiab kev siv lub zog ntau dhau ua rau cov pwm pwm muaj peev xwm tiv taus cov khoom sib hloov.
3. Cov txheej txheem yas pwm tsis zoo tag nrho, feem ntau tshwm sim hauv qhov tsis zoo sab hauv ntawm convex thiab concave forging blanks, teeb meem nrog kev kho cua sov thiab txheej txheem, ua rau tsis tiav quenching convex thiab concave pwm, mos me ntsis, thiab tsis sib xws hardness.
4. Qee zaum cov kab nrib pleb me me, txawm tias tawg, kev sib tsoo tsis txaus thiab polishing, thiab qhov roughness ntau dhau tuaj yeem tshwm sim.
5. Cov pwm yas tsis yog lubricated los yog muaj lubrication tab sis muaj kev ua haujlwm tsis zoo.