Ekuthengeni impahla yezimboni,amapayipi angenamthungoisebenza njengezinto ezibalulekile ikhwalithi yazo ithinta ngqo ukuphepha kwephrojekthi. Izingozi zingancishiswa kanjani ngempumelelo phakathi nenqubo yokuthenga?
Ukuhlola Okubonakalayo: Bheka Izimpawu Ze-Weld
Okwangempelaamapayipi ensimbi angenamthungoakhiqizwa ngokubhoboza kanye nokugingqa amabhilidi ensimbi ayindilinga, okuholela ekwakhiweni okungenamthungo. Ngisho noma eqedwa ngokucophelela, amapayipi ashiselwe angase abe nomkhondo wenqubo yawo yokukhiqiza. Okokuqala, hlola indawo yepayipi ukuze uthole amamaki aqondile, angase abonise ama-welds asetshenziwe. Ngokusebenzisa ingilazi yokukhulisa, amapayipi ashiselwe ngokuvamile abonisa ukuhluka okuncane kombala noma izinguquko zokuthungwa.
Enye indlela ephumelelayo ukuhlola isigaba esiphambene kuzo zombili iziphetho. Amapayipi angenamthungo abonisa i-microstructure efanayo yonke indawo, kuyilapho amapayipi ashiselwe abonisa izakhiwo ze-metallographic ezihlukile endaweni yokushisela. Ngesikhathi esifanayo bheka udonga lwangaphakathi: amapayipi ashiselwe ngokuvamile agcina izimpawu zokushisela noma ama-burrs, kuyilapho amapayipi angempela angenamthungo afaka ingaphakathi elibushelelezi nelifanayo.
Ukuhlolwa Komsindo: Indlela Elula Yokuhlonza
Ukuhlola ukuthepha kunikeza indlela eqondile yokukhomba. Shaya kahle ipayipi ngenduku yensimbi. Amapayipi angenamthungo akhipha umsindo opholile, ozwakalayo onama-echoes afanayo. Amapayipi ashiselwe, ngenxa ye-weld seam, akhipha umsindo ongacacile ongahluka endaweni yokushisela. Nakuba le ndlela ingenakusebenza njengesinqumo sokugcina, iwusizo ekuhlolweni ngokushesha endaweni. Uma imisindo engajwayelekile itholwa, ukuhlolwa okujulile kuyadingeka.
Ukuhlolwa Kochwepheshe: Izindlela Ezithembekile Zokuqinisekisa
Ukuhlolwa kwe-Ultrasonic kungenye yezindlela ezinokwethenjelwa kakhulu zokuhlukanisa amapayipi ensimbi angenamthungo kumapayipi ashiselwe. Izihloli ze-ultrasonic flaw ezichwepheshile zingathola ngokunembile ukuba khona kwama-welds. Noma amapayipi ashiselwe eqedwa ngokucophelela, ukuhlolwa kwe-ultrasonic kungaveza ukungaqhubeki esakhiweni sezinto ezibonakalayo.
Ukuhlaziywa kwe-Metallographic kumelela indlela yokuhlonza yesayensi kakhulu. Ngokulungiselela amasampula e-metallographic asuka kumasampuli futhi ahlole i-microstructure yawo ngaphansi kwesibonakhulu, amapayipi angenamthungo abonisa ama-microstructures afanayo, kuyilapho amapayipi ashiselwe abonisa umehluko ohlukile wesakhiwo esishiselwe, izindawo ezithinteke ekushiseni, nasezifundeni zensimbi eziyisisekelo.
Ukuqinisekiswa Kwedokhumenti: Ibuyekeza Izitifiketi Zekhwalithi
Abakhiqizi abahloniphekile bahlinzeka ngamadokhumenti ekhwalithi yomkhiqizo aphelele, okuhlanganisa izitifiketi zezinto ezibonakalayo, amarekhodi enqubo yokukhiqiza, nemibiko yokuhlola. Hlola ngokucophelela lawa madokhumenti, ikakhulukazi uqinisekise ukuthi ikholomu yenqubo yokukhiqiza icacisa ukukhiqizwa “okungenazihibe”. Ungacela nesitifiketi somphakeli kumkhiqizi.
Kungani Khetha EHONG?
Njengoba sineminyaka engu-20 yobungcweti bokuthekelisa kwensimbi, singabahlinzeki abathembekile bemikhiqizo yensimbi yase-Tianjin futhi siyilungu le-China Iron and Steel Export Industry Alliance. Ubambiswano lwethu lwamasu nezigayo ezinkulu zensimbi kuqinisekisa ukutholakala kwezinto ezingavuthiwe okuthembekile nezizinzile. Yonke iqoqo lempahla eluhlaza engenayo ihlolwa kanzima ukuze kuqinisekiswe ukwakheka kwezinto kuhlangabezana ngokugcwele nokucaciswa. Iqoqo ngalinye lomkhiqizo lihlolwa okokugcina ngaphambi kokuthunyelwa. Ithimba lethu labahwebi bamazwe ngamazwe elisezingeni eliphezulu likulethela ubungcweti emikhiqizweni nasezinkonzweni, ukuhlanganisa izixazululo nezincomo ezidingweni zakho. Sihlinzeka ngokulandelela ekupheleni kusukela ekufakweni kwe-oda kuye ekulethweni, okusekelwe ukuqinisekiswa kwekhwalithi nokusekelwa ngemva kokuthengisa.
Isikhathi sokuthumela: Apr-01-2025
