Umehluko phakathi kwamapayipi ensimbi angenamthungo agoqwe abandayo namapayipi ensimbi angenamthungo ashisayo

Umehluko phakathi kwepayipi lensimbi engenamthungo eligoqelwe ngokubanda kanye nepayipi lensimbi engenamthungo egoqelwe eshisayo egoqwayo kanye nensimbi egoqwayo zonke ziyizinqubo zokwenza insimbi noma insimbi, zinomthelela omkhulu ekuhleleni nasekusebenzeni kwensimbi, ukuginqika kwensimbi ikakhulukazi Ukugoqa okushisayo. kuyindlela eyinhloko, futhi ukugoqa okubandayo kusetshenziselwa kuphela ukukhiqizwa kwezinsimbi ezincane namashidi.
1. Izinzuzo ze-Hot Rolling: Ingabhubhisa isakhiwo sokuphonsa ingot, icwenge okusanhlamvu kwensimbi, futhi isuse amaphutha e-microstructure, ukuze isakhiwo sensimbi siminyene futhi izakhiwo zemishini zithuthukiswe.Lokhu kuthuthukiswa kubonakala ngokuyinhloko ekuqondeni kwe-rolling, ukuze insimbi ingabi yi-isotropic;ngokwezinga elithile, ama-bubbles, imifantu kanye nokuxega okwakhiwa ngesikhathi sokuthululwa nakho kungashiselwa ngaphansi kokushisa okuphezulu nokucindezela.
Ukungalungi: 1. Ngemva kokugoqa okushisayo, ama-non-metallic inclusions (ikakhulukazi ama-sulfides nama-oxides, nama-silicates) ngaphakathi kwensimbi acindezelwa amashidi amancane futhi kwenzeka into yokubeka (sandwich).I-Stratification ilulaza kakhulu izakhiwo zensimbi ekuqondeni kogqinsi, futhi kungenzeka ukuthi ukuklebhuka kwe-interlayer kwenzeka lapho umthungo we-weld ushwabana.Ubunzima bendawo obubangelwa ukuncipha kwe-weld ngokuvamile bufinyelela izikhathi eziningana lapho kutholakala khona isivuno, esikhulu kakhulu kunomthwalo obangelwa umthwalo;2. Ukucindezeleka okusalayo okubangelwa ukupholisa okungalingani.Ukucindezeleka okuyizinsalela ukucindezeleka kokulingana kwangaphakathi kwesigaba sokuzimela ngaphansi kwesenzo sokungabikho kwamandla angaphandle.Insimbi egoqiwe eshisayo yezigaba ezihlukahlukene inokucindezeleka okuyinsalela okunjalo.Ubukhulu besigaba sensimbi evamile, kukhulu ukucindezeleka okusalayo.Nakuba ukucindezeleka okusalayo kuzimele, kusenomthelela othile ekusebenzeni kwezingxenye zensimbi ngaphansi kwamandla angaphandle.Okufana ne-deformation, ukuzinza, ukulwa nokukhathala nezinye izici kungase kube nomthelela omubi.
Ukuthengiswa kwamapayipi ensimbi angenamthungo anezindonga ezinkulu ezinobubanzi obukhulu, abakhiqizi bamapayipi ensimbi angenamthungo asakazwa ngokushisa - I-Shandong Liaogang Metal.
I-Cold Rolling ibhekisela ekucutshungulweni kwamapuleti ensimbi noma amapheshana abe yizinhlobo ezihlukahlukene zensimbi emazingeni okushisa abandayo ngokudweba okubandayo, ukugoba okubandayo, ukudweba okubandayo, njll. ekamelweni lokushisa.
Izinzuzo: isivinini esikhulu sokwenza, isivuno esiphezulu, futhi akukho monakalo ekugqokeni, kungenziwa ngezindlela ezihlukahlukene ze-cross-sectional ukuze kuhlangatshezwane nezidingo zokusetshenziswa kwezimo;ukugoqa okubandayo kungenza insimbi ikhiqize i-deformation enkulu yepulasitiki, ngaleyo ndlela ikhulise isivuno sephoyinti lensimbi.
Okubi:1.Nakuba kungekho ukucindezelwa kwepulasitiki okushisayo enqubweni yokubunjwa, kusekhona ukucindezeleka okusele esigabeni, okuzothinta nakanjani izakhiwo zensimbi yonke kanye ne-buckling yendawo;2. Isitayela sensimbi esigoqiwe esibandayo ngokuvamile siyisigaba esivulekile, okwenza isigaba sibe mahhala Ukuqina okuphansi kwe-torsional.Ivamise ukusonteka ngesikhathi sokugoba, ukugoba kanye ne-torsion buckling ivamise ukwenzeka ngesikhathi sokucindezelwa, futhi ukumelana ne-torsion kubi.3. Ugqinsi lwezindonga zensimbi eyakhiwe egoqwe ngokubanda luncane uma kuqhathaniswa, futhi aluqiniswanga emakhoneni lapho amapuleti ahlangana khona, futhi angakwazi ukumelana nendawo.Ikhono lokugxilisa imithwalo libuthakathaka.
Ukuthengiswa kwamapayipi ensimbi angenamthungo anezindonga ezinkulu ezinobubanzi obukhulu, abakhiqizi bamapayipi ensimbi angenamthungo asakazwa ngokushisa - I-Shandong Liaogang Metal.
Umehluko omkhulu phakathi kokugoqa okushisayo nokubandayo yilezi:
1. Izinsimbi ezakhiwe ngokubanda zivumela ukubopha kwendawo ye-cross-section ukuze umthamo wokuthwala ngemuva kwe-buckling usetshenziswe ngokugcwele;izinsimbi ezigoqiwe ezishisayo azikuvumeli ukubopha kwasendaweni kwesigaba esiphambanayo.
2. Izimbangela zokucindezeleka okusalayo ensimbi eshisayo nensimbi ebandayo zihlukile, ngakho-ke ukusatshalaliswa kwesiphambano nakho kuhluke kakhulu.Ukusatshalaliswa kwengcindezi eyinsalela engxenyeni yensimbi yodonga oluncane olwakhiwe ngendlela ebandayo igobile, kuyilapho ukusabalalisa kokucindezeleka okusalayo engxenyeni eshisayo noma eshiselwe kuwuhlobo lwefilimu elincanyana.
3. Ukuqina kwe-torsional yensimbi egoqelwe ngokushisa kuphakeme kunensimbi egoqwe ngokubanda, ngakho-ke ukusebenza kwe-torsional yensimbi egoqwe eshisayo kungcono kunensimbi egoqwe ngokubanda.


Isikhathi sokuthumela: Sep-05-2022