Hlau sib sib zog nqus ncab yog cov txheej txheem ntawm stamping, rub lub nplhaib lossis hlau pwm kom deform lub phaj hlau rau hauv lub tog raj kheej lossis lub thawv zoo ib feem.
Peb lub peev xwm:
1. Round drawing
2. Ellipse daim duab
3. Daim duab duab plaub
4. Kev kos duab toj roob hauv pes
5. Kev kos duab toj roob hauv pes
6.Nrog flange hemisphere kos duab
7.Flange daim duab
8. Flange daim duab
9. Daim duab tob
10.Taper daim duab
11.Rectangular redrawing
12. Nto txoj kev
13.Txoj kev kos duab
14. Rov qab kos duab
15.Ironing
16.Pab kos duab