Seamless steel yeeb nkabperforation tshuab dhau los kho cov ntsiab lus tseem ceeb yog: yob los ntawm cov ntawv qhia phaj (cov ntawv qhia phaj, phau ntawv qhia chais) los ntawm ovality, pub lub kaum sab xis, lub kaum sab xis ntawm lub taub hau, lub taub hau txoj kab uas hla, lub taub hau txo tus nqi ua ntej yob ceev thiab cov lus qhia disc tos.

(1) Yob nrug yog qhov luv tshaj ntawm ob sab laug thiab sab xis lossis nce thiab nqis yob ntawm caj pas.Yob nrug feem ntau yog txiav txim siab los ntawm txoj kab uas hla ntawm qhov khoob thiab tag nrho cov kev txo qis yog qhov tseem ceeb tshaj plaws ntawm kev hloov pauv.

(2) Phau ntawv qhia (phaj qhia, phau ntawv qhia chais) yog hais txog qhov kev ncua deb ntawm ob daim ntawv qhia (phaj qhia, qhia chais) ntawm lub hauv paus ntawm qhov luv tshaj plaws.Daim ntawv qhia phaj (phaj qhia, phau ntawv qhia chais) rau deformation ntawm perforated lateral txwv thiab ua lub luag haujlwm coj.Phau ntawv phaj (coj phaj, qhia chais) los ntawm kev cuam tshuam ncaj qha ntawm kev hloov ovality.

(3) Ib daim ntawv qhia disc ovality (cov lus qhia, cov lus qhia rau cov menyuam) tshaj qhov kev ncua deb ntawm qhov yob nrug.Qhia qhov degree oval qhov kho.Ovality ua kom muaj kev hloov kho kom muaj qee qhov hla ntu dov elliptical duab, koj tuaj yeem hloov qhov degree ntawm lateral deformation ntawm dov, tswj seem perimeter ncav cuag expanding, Sib npaug dov.Oversized oval degree nce lateral deformation ntawm cov khoom zoo tsis zoo.

(4) Rau dov lub kaum sab xis yog lub kaum sab xisΦ dov axis thiab cov kab dov hauv kab rov tav ntawm qhov projection.Jarring chim yob lub kaum sab xis feem ntau tsawg dua 5°.Lub kaum sab xisΦ250 hli precision dov chav tsev ntawm tho zeb yog 10° ~ 15°.Yob "cone" loj thiab qhov degree ntawm lub kaum sab xis rau dov txog.Jarring loj dua lub kaum sab xis, yob me me txoj kab uas hla seamless steel yeeb nkab kawg (tom kawg) mus rau qhov loj-endian (dished kawg) qhov kev hloov pauv ntau dua, lub voj voog ncig thiab kev taw qhia cov ntsiab lus raws cov kab dhau los yob nto qhov nrawm nrawm kuj ntau dua.

(5) Lub kaum sab xis pub yog lub kaum sab xis ntawm lub axis ntawm lub yob thiab txoj kab hla hauv lub dav hlau ntsug ntawm qhov projection.Φ250 hli pub lub kaum ntse ntse dov seamless steel yeeb nkab chav tho qhov zeb yog 5° ~ 12°.Pub lub kaum sab xis loj dua, yob tus nqi ntawm cov kev taw qhia pem hauv ntej ntawm qhov ntau dua, uas yog seamless steel yeeb nkab rau pem hauv ntej sai dua, tab sis suab Oblique Rolling qhov ntau dua, qhov ntau dua qhov punch load.

(6) Lub taub hau taub perforated puab txoj kab uas hla capillary ntsig txog.Feem ntau, qhov loj ntawm txoj kab uas hla ntawm lub ntsaws, lub puab txoj kab uas hla ntawm seamless yeeb nkab tho ntau dua.

(7) Phau ntawv qhia phaj Lub ntsej muag longitudinal ceev kab ceev.Active rotating phau ntawv qhia phaj, linear tshaj tawm ntawm longitudinal lub ntsej muag yuav tsum ntau dua dov rau pem hauv ntej longitudinal tshaj tawm, uas dov mus rau hauv lub luag hauj lwm ntawm longitudinal kev sib txhuam, txhim khu longitudinal flow ntawm hlau.Kev taw qhia disc ceev feem ntau tswj ntawm 1.5 mus rau 3.0 npaug ntawm dov ceev.

(8) Qhov kev txo qis sab saum toj yog hais txog txoj kab uas hla txo tus nqi hauv qhov khoob ntsaws taub (qhov ntswg) Department, qhia raws li feem pua.

(9) Feem ntau yog hais txog qhov theoretical ceev rau longitudinal perforation yob nto ceev ntawm lub qhov hluav taws xob ntawm lub capillary, tab sis qhov tseeb qhov nkag mus rau vim qhov cuam tshuam ntawm hlau plam tshaj qhov theoretical xam ntawm yob nto qhov ntev ntev ntawm qhov sib txuas.Tab sis cov hlau lub khob hliav qab zeb yog me dua lub thoob plam perforated tsis pub lwm tus paub, yog li qhov tseeb ceev yog kuj siab perforation ntawm seamless steel hlab, seamless steel hlab thiab yog li tho efficiency siab dua.