Raws li kev taw qhia ntawm cov hlau ntws, extrusion tuaj yeem muab faib ua:
Direct extrusion: Cov hlau ntws kev taw qhia yog tib yam li cov punch txav, siv rau kev tsim cov shank ntawm cov khoom bolts.
Rov qab extrusion: Cov hlau ntws tawm tsam cov kev taw qhia ntawm cov punch, haum rau kev ua khob - zoo li rivets.
Compound extrusion: Ob qho tib si ncaj qha thiab rov qab ntws tawm ib txhij, siv rau ob npaug - khob zoo li qhov chaw.
Radial extrusion yog siv los txo txoj kab uas hla ntawm cov ncej ncej thiab yog cov txheej txheem derivative ntawm lub taub hau txias.
