Pombi inogadzira tambo haina kuenzana curvature composite longitudinal deformation process uye kuenderera mberi kwekushanda muchikamu chemuchinjiko, uye tambo yacho yakakomberedzwa nesimba re-multi-directional deformation process.

Nheyo yekutanga yeyakatwasuka seam simbi pombi yekugadzira dzidziso ndeyekuita kwesimba rekunze kugadzira deformation yepurasitiki yetambo yesimbi kuita chimiro chinodiwa uye saizi machubhu. Sezvo pombi yesimbi iri mukuita deformation yenzvimbo huru mune inoenderera yakatwasuka uye yakatwasuka maficha, iyo inosungirirwa yakaiswa pairi yakarongwa muzvikamu zviviri kuti iite uye ipfuure nepakati peguyo roll kugadzira, mipumburu inodarika ndeye kuita transverse deformation yesimbi, iyo simbi sheet inokungurutsa chigayo yakarongerwa kuburitsa longitudinal deformation, iyo chaiyo yekushanda modhi uye akasiyana siyana muinjiniya inoramba iine simbi deformation process inofanirwa kuitwa mumatanho, kubva pachigayo chinoenderana (kusanganisira roll groove uye chigayo kurongeka) kuzadzisa. . Longitudinal deformation in the rolling direction of plate zvinoreva kupinda mucylindrical shape deformation, chubhu ye cross-section transverse deformation zvinoreva bend deformation.

Kugadzira pombi kwakakamurwa kuita matanho matatu: crude profiled chikamu, yepakati nhanho yekuchinja uye yekupedzisa kuumba nhanho, ivo vakafanana ndeye "ellipse denderedzwa" musimboti, zvichikonzera deformation yezvikonzero zvekushandisa pass system yakasiyana zvakanyanya, kunyanya mumamiriro ezvinhu emhando dzechinyakare, pane nzira yekupeta yekumucheto, nzira yekutenderedza, pakati uye gare gare kubhenda nzira inotorwa kubva kune imwechete radius, kaviri radius, "w" nzira yekuumba. Row roll forming and roll inogadzira maruva akaremara anodzokororwa, ayo elliptical cross-section hombe axis munzira inochinjika.