- Feem ntau cov txheej txheem ntawm seamless steel yeeb nkab tau muab faib ua ob hom: txheej txheem kos duab txias thiab txheej txheem kub dov. Cov hauv qab no yog ib qho kev piav qhia ntawm cov txheej txheem ntawm txias drawn seamless steel yeeb nkab thiab kub dov seamless steel yeeb nkab:
Cold drawn (txias dov) seamless steel yeeb nkab txheej txheem: billet npaj thiab tshuaj xyuas → billet cua sov → tho → dov → yeeb nkab reheating → tsau (txo) txoj kab uas hla → tshav kub kho → tiav yeeb nkab straightening → tiav → tshuaj xyuas (tsis muaj kev puas tsuaj, lub cev thiab tshuaj. , lub rooj zaum xeem) → cia
Cold dov seamless steel yeeb nkab billet yog thawj peb-yob nruam dov, extrusion tom qab sizing xeem, yog hais tias lub nto tsis teb rau tej kab nrib pleb tom qab lub round raj yuav tsum tau txiav los ntawm lub cutter, txiav mus rau hauv ntev li ntawm ib meter ntawm billet. Tom qab ntawd nws nkag mus rau hauv cov txheej txheem annealing, lub annealing yog yuav tsum tau pickled nrog acidic kua, lub pickling yuav tsum xyuam xim rau seb puas muaj ntau blistering nyob rau saum npoo, yog hais tias muaj ntau blistering qhia tau hais tias qhov zoo ntawm cov yeeb nkab steel tsis. kom ua tau raws li cov qauv sib xws.
- Kub dov (extruded) seamless steel yeeb nkab txheej txheem: round billet → cua sov → tho → peb-yob qaij dov, nruam dov los yog extrusion → stripping → sizing (los yog txo) → txias → billet → straightening → hydrostatic test (los yog flaw detection) → cim → cia.
Kub dov, raws li lub npe qhia, qhov kub ntawm cov dov qhov chaw yog siab, yog li lub deformation kuj yog me me thiab loj deformation tuaj yeem ua tiav. Kev xa tawm ntawm kub dov seamless steel yeeb nkab feem ntau yog kub dov lub xeev tom qab kev kho cua sov. Cov khoom siv hluav taws xob raug tshuaj xyuas thiab tshem tawm cov teeb meem ntawm qhov chaw, txiav mus rau qhov ntev uas yuav tsum tau ua, nruab nrab ntawm lub ntsej muag perforated kawg ntawm billet, thiab tom qab ntawd xa mus rau lub qhov cub cua sov kom sov thiab perforated ntawm lub tshuab perforating. Nyob rau hauv lub perforation thaum tsis tu ncua rotating thiab ua ntej, nyob rau hauv qhov kev txiav txim ntawm yob thiab lub taub hau sab saum toj, lub sab hauv kab noj hniav ntawm lub billet yog maj tsim, hu ua burr yeeb nkab. Tom qab stripping cov yeeb nkab, nws raug xa mus rau lub tshuab tsis siv neeg cov yeeb nkab dov mus txuas ntxiv dov, tom qab uas cov phab ntsa tuab yog evened tawm los ntawm lub tshuab sib npaug, thiab txoj kab uas hla yog teem los ntawm lub sizing tshuab kom tau raws li cov specifications. Tom qab cov txheej txheem kub dov, qhov kev sim ntawm perforation yuav tsum tau ua, thiab yog hais tias lub perforation expansion loj heev, nws yuav tsum tau ncaj thiab kho, thiab thaum kawg sau thiab muab tso rau hauv cia.
- Kev sib piv ntawm cov txheej txheem kev kos duab txias thiab cov txheej txheem kub dov: cov txheej txheem txias dov yog qhov nyuaj dua li cov txheej txheem kub dov, tab sis qhov zoo ntawm qhov chaw, qhov pom, qhov tseeb ntawm cov hlau yob yog zoo dua li cov phaj kub dov, thiab cov tuab ntawm nws cov khoom tuaj yeem ua thinner.
Loj: sab nraud ntawm kub dov seamless steel yeeb nkab feem ntau loj dua 32 hli, phab ntsa thickness 2. }}.25mm, sab nraud txoj kab uas hla ntawm nyias-walled yeeb nkab tuaj yeem ncav cuag 5mm phab ntsa thickness tsawg dua 0.25mm (los yog txawm tias 0.2mm los yog tsawg dua), thiab txias dov tshaj qhov kub dov dimensional precision yog siab.
Cov tsos mob: txawm hais tias cov phab ntsa tuab ntawm cov yeeb nkab uas tsis muaj seamless steel feem ntau me dua li cov yeeb nkab kub dov seamless steel yeeb nkab, qhov saum npoo zoo li ci dua li cov tuab-walled kub dov seamless steel yeeb nkab, thiab qhov saum npoo tsis muaj roughness ntau dhau, thiab lub caliber tsis muaj ntau burr.
Kev xa khoom raws li txoj cai: kub dov steel yeeb nkab yog xa hauv lub xeev kub dov lossis lub xeev kho cua sov, thiab txias dov yog xa hauv lub xeev kho cua sov.
