Kuvandudza mashandiro uye kunaka kwakakosha mune inogara ichishanduka inorema yekugadzira indasitiri. Imwe yekufambira mberi kwakakosha muhunyanzvi hwekuwelda kubuda mumakore achangopfuura ndeye kunyudzwa kwakapetwa kaviri arc welding (DSAW). Iyi tekinoroji yehunyanzvi haingokwidzi chete kutendeseka kwechimiro chezvakaiswa welded, asi zvakare inorerutsa maitiro ekugadzira, zvichiita kuti ive shanduko yemitambo kumaindasitiri anovimba nezvinhu zvinorema.
Pamwoyo weDSAW ndiko kugona kwayo kugadzira maweldhi emhando yepamusoro ane hurema hudiki. Iyo nzira inosanganisira ma arcs maviri akavigwa pasi pechikamu chegranular flux, inodzivirira dziva re weld kubva pakusvibiswa uye oxidation. Mhedzisiro yacho ndeye yakachena, yakasimba weld iyo inogona kutsungirira kuomarara kwe-heavy-duty fabrication applications. Izvi zvinonyanya kukosha kumakambani anogadzirakutonhora kuumbwa welded structuralmakomba zvikamu, seizvo zvakatsanangurwa muEuropean zviyero mudenderedzwa, sikweya kana rectangular zvimiro. Izvi zvikamu zvakakosha mumhando dzakasiyana dzekushandisa, kusanganisira kuvaka, zvivakwa uye inorema muchina.
Iri muCangzhou, Hebei Province, chirimwa ichi chinoratidza zvizere zvakanakira DSAW mukugadzira zvinorema. Yakavambwa muna 1993, chirimwa ichi chinofukidza nzvimbo ye350,000 square metres uye ine hupfumi hwese hwe680 miriyoni yuan. Iine 680 vashandi vakazvitsaurira, chirimwa ichi chinotungamira mukugadzirwa kwemhando yepamusoro yezvimiro zvegomba zvikamu. Nekubatanidza DSAW mukuita kwekugadzira, chirimwa chakavandudza zvakanyanya kushanda uye kunaka kwechigadzirwa.
Imwe yemabhenefiti makuru eDSAW kumhanya. Iyo nzira inobvumira kukurumidza kumhanyisa kumhanya kupfuura nzira dzechinyakare, izvo zvinoderedza nguva yekugadzira. Uku kushanda kwakakosha kune inorema-duty kugadzira uko nguva inowanzova yakakosha. Nekudzikisa nguva yewelding, vagadziri vanogona kuwedzera kugadzirwa uye kusangana nezvinodiwa zvemusika wemakwikwi.
Pamusoro pezvo, DSAW weld mhando inoramba yakakwira. Iyo yakadzika arc process inoderedza njodzi yekuremara senge porosity uye inclusions inogona kukanganisa kutendeseka kwechimiro chechigadzirwa chekupedzisira. Izvi zvinonyanya kukosha kune inotonhora-yakaumbwa welded structural hollow zvikamu, izvo zvinofanirwa kusangana nekuomarara kwemhando zviyero kuti ive nechokwadi chekuchengetedza uye kuvimbika kwekushandisa kwavo. Chirimwa cheCangzhou chinoshandisa tekinoroji iyi kuona kuti zvigadzirwa zvaro hazvingosangana chete nezviyero zveindasitiri, asi zvinopfuura.
Pamusoro pekuvandudza kugona uye kunaka, DSAW inobatsirawo kuchengetedza mari. Nekukanganisa kushoma, pane kushomeka kwekugadzirisa zvakare, zvinoreva kuti vagadziri vanogona kugovera zviwanikwa zvakanyanya. Izvi zvinonyanya kubatsira kugadzirwa kwakakura, uko mitengo yezvinhu uye kushanda zvinhu zvakakosha mumari yekugadzira.
Sezvo indasitiri inorema yekugadzira iri kuramba ichikura, kutorwa kwehunyanzvi hwekugadzira welding sengekaviri yakanyura arc yakasungwaichaita basa guru mukuumba nguva yemberi. Makambani anodyara mari mune iyi tekinoroji haazongonatsiridza mashandiro ekushanda asi zvakare anosimudzira mhando yechigadzirwa, nekudaro achiwana chinzvimbo chinotungamira mumusika une makwikwi.
Muchidimbu, kaviri yakanyudzwa arc welding iri kushandura inorema kugadzira nekuvandudza kugona uye kunaka. Ichi chirimwa chiri muCangzhou City muenzaniso wakanaka wekuti tekinoroji inogona kunyatsobatanidzwa sei mukugadzira, ichigadzira zvemhando yepamusoro zvimiro zvegomba zvikamu zvinosangana nezvinodiwa zveindasitiri yemazuva ano. Sezvo vagadziri vachivavarira kuita zvakanaka, kutora matekinoroji akadai seDSAW kuchave kwakakosha mukubudirira mumakore anotevera.
Nguva yekutumira: Kubvumbi-08-2025