Ịkpọpu ihe bụ nzọụkwụ mbụ nke ikpo ọkụenweghị nkebi ígwè ọkpọkọdeformation, na ọrụ ya bụ siri ike oghere billet yi uwe ka capillary.N'ihi iyi akwa mkpuchi elu ma ọ bụ eccentric (oke na-enweghị isi) siri ike ikpochapụ ma ọ bụ belata usoro nrụrụ ahụ, ya mere, àgwà nke capillary perforated nwere mmetụta dị oke mkpa na ịdị mma nke ọkpọkọ ígwè na-ekpo ọkụ na-ekpo ọkụ.Ụzọ nrụgide tube perforation ịkụ ọkpọ, ịkwanye rotary ịkpọpu na ịkpọpu ya.Igwe anaghị agba nchara nchara nke a na-ejikarị na petroleum geology drilling pipe, petrochemical eji na ọkpọkọ ọkpọkọ, ọkpọkọ ọkpọkọ, ọkpọkọ na bearings ụgbọ ala, traktọ, ụgbọ elu na usoro tube ziri ezi ndị ọzọ, usoro nrụpụta ya: igwe na-ekpo ọkụ akpọrepu enweghị enweghị nkebi tube gburugburu.→kpo oku→atọ perforated mpịakọta mpịakọta, mpịakọta ma ọ bụ extrusion→kewapụrụ→sizing (ma ọ bụ ibelata) jụrụ oyi→ịgbatị→akara ule hydrostatic (ma ọ bụ ule).→nchekwa.

Na-ekpo ọkụ-akpọre enweghị enweghị nkebi ígwè ingot nkedo nwere ike ibibi anụ ahụ, ọka ucha nke ígwè ma wepụ ntụpọ microstructure, nke mere na ígwè ok anụ ahụ n'ibu Njirimara na-mma.Nke a mma bụ tumadi egosipụta na ntụziaka tinyere mpịakọta direction ruo n'ókè ụfọdụ na ígwè abụghịzi isotropic;agbapụtara kpụrụ afụ, cracks na rụrụ, nwere ike welded na a elu okpomọkụ na nrụgide.

Mgbe na-ekpo ọkụ-akpọrela enweghị nkebi ígwè tube gburugburu butere na-aga site na nrụgide puncher ịkpọpuo.Ohaneze ọzọ nkịtị ntụmadị bụ tapered rola punching igwe, punching igwe dị otú ahụ elu mmepụta arụmọrụ, ngwaahịa àgwà, perforated ịgbasa ikike, nwere ike na-eyi a dịgasị iche iche nke ígwè.Mgbe a gbasasịrị ya, tube okirikiri abụwo mpịakọta atọ, na-atụgharị ma ọ bụ extrusion.Ka ịpịpụ ọkpọkọ ahụ ka emechara nha.Ịhazi igwe ihe n'ime nnukwu oso na-atụgharị cone akuakuzinwo site na perforated ígwè embrayo kpụrụ ígwè.A na-ekpebi ọkpọkọ n'ime dayameta site na dayameta dị n'èzí sizing igwe igwe ihe ogologo.Mgbe ịmechara ọkpọkọ n'ime ụlọ dị jụụ site na ọkpọkọ na-ekpo ọkụ na-ekpo ọkụ mgbe ọ dị jụụ, ọ dị mkpa ịgbatị.Mgbe ịgbatị eriri ebu igwe nchara na igwe nchọpụta igwe (ma ọ bụ ule nrụgide) maka nnwale ime.Ọ bụrụ na ọkpọkọ ime ahụ gbawara, afụ na nsogbu ndị ọzọ, a ga-achọpụta.Mgbe nhọrọ nke ígwè kamakwa site na nlezianya njikwa ntuziaka.Mgbe mma ígwè ahụ gasịrị, fesa agba na nọmba, nha, ọnụ ọgụgụ batch na ihe ndị ọzọ.Site kreenu n'ime ụlọ nkwakọba ihe.