Izintambo ze-MIG zidlala indima ebalulekile ekushiseleni kwesimanje. Ukuze sizuze imiphumela yekhwalithi ephezulu yokushisela, sidinga ukwazi ukuthi singakhetha kanjani futhi sisebenzise izintambo ze-MIG ngendlela efanele.
Ungakhetha kanjani i-MIG wire?
Okokuqala, kudingeka sisekelwe ezintweni eziyisisekelo, izinhlobo ezahlukene zezinto eziyisisekelo zinquma isiqondiso sokukhetha ucingo. Izinto eziyisisekelo ezijwayelekile ziyi-carbon steel, insimbi engagqwali, i-aluminium alloy nokunye. Ngensimbi ye-carbon, ukukhethwa kwei-welding wirekufanele isekelwe ezingeni layo lamandla. I-carbon steel enamandla aphansi ingakhetha i-carbon steel welding wire evamile, kuyilapho i-carbon steel enamandla kakhulu idinga intambo yamandla ephakeme ukuze kuqinisekiswe ukusebenza ngemva kokushisela. Kunezinhlobo eziningi zensimbi engagqwali, okuhlanganisa i-austenitic stainless steel, i-ferritic stainless steel, martensitic stainless steel nokunye. Ibanga ngalinye lensimbi engagqwali linezici zalo eziyingqayizivele zokwakheka kwamakhemikhali nezici zokusebenza, ngakho-ke udinga ukukhetha intambo yensimbi engagqwali ukuze ifane, ukuze uqinisekise ukuthi ukumelana nokugqwala kanye nezakhiwo zemishini ze-weld zihambisana nempahla yomzali.
Yiqiniso, izidingo zokusebenza Welding nathi ububanzi ukucatshangelwa, izidingo amandla weld ingenye isisekelo esibalulekile ukukhethwa wire. Uma i-weld idinga ukumelana nemithwalo ephezulu, khona-ke ucingo lwamandla aphezulu kufanele lukhethwe. Lokhu kuqinisekisa ukuthi ijoyinti elishiselwe ngeke liphuke ngesikhathi lisetshenziswa. Ukuze uthole ukushisela ngezidingo zokumelana nokugqwala, njengezinto zokusebenza ezisetshenziswa ezindaweni ezinokhahlo njengemboni yamakhemikhali nolwandle, kubalulekile ukukhetha izintambo zokushisela ezinokumelana nokugqwala okuhambisanayo. Uma i-workpiece eshiselwe idinga ukuba nokuqina okuhle noma ukusebenza okuphansi kwezinga lokushisa, udinga futhi ukukhetha ngokucophelela ucingo olufanele ukuze uhlangabezane nalezi zidingo ezikhethekile.
Okwesibili, sidinga ukunquma ububanzi bocingo. Ukukhethwa kwe-wire diameter kanye ne-welding yamanje, isikhundla se-welding kanye nesisekelo sezinto ezibonakalayo kuhlobene eduze. Ngokuvamile, i-welding enkulu yamanje kanye nezinto eziyisisekelo eziwugqinsi zidinga ukusetshenziswa kocingo olukhulu. Lokhu kungenxa yokuthi izintambo eziwugqinsi zingakwazi ukumelana nemisinga ephakeme futhi zinikeze nensimbi eyengeziwe yokugcwalisa ukuze kuqinisekiswe amandla e-weld. Uma kuqhathaniswa nokushisela kwepuleti elincane, izintambo ezincane ezinobubanzi ngokuvamile zikhethwa ukuze kuncishiswe ukufaka ukushisa kwe-welding futhi kuvinjwe ukushiswa nokuhlanekezela. Ezikhundleni ezahlukene ze-welding, kuyadingeka futhi ukukhetha ububanzi obufanele be-welding wire. Isibonelo, endaweni ye-welding ephezulu, ngenxa yobunzima bokusebenza, ukuze kube lula ukusebenza nokuqinisekisa ikhwalithi ye-welding, kufanele ukhethe ucingo oluncane.
Ngaphezu kwalokhu, sidinga ukuhlanganisa amapharamitha wenqubo yokushisela ekukhetheni ucingo, imingcele yenqubo yokushisela ye-MIG ehlukene, njenge-welding yamanje, i-voltage, isivinini sokushisela, njll., nayo inomthelela obalulekile ekukhethweni kocingo. Kufanele kusekelwe langempela Welding inqubo nemingcele ukukhetha wire kungaba ukuzivumelanisa lezi nemingcele. Endabeni ye-welding ephezulu yamanje kanye nesivinini esikhulu, kubalulekile ukuqinisekisa ukuthi ucingo lungancibilika ngokufanayo futhi lwakha i-weld yekhwalithi ephezulu kwinqubo ye-welding yesivinini. Kudingekile ukukhetha ucingo lwe-welding olunezici ezinhle zokubeka kanye nokuzinza.
Ngesikhathi esifanayo, sidinga futhi ukucabangela ukuzinza kokunikezwa kwentambo kanye nesevisi yangemuva kokuthengisa. Khetha uhlobo locingo olunegama elihle kanye neziteshi ezithembekile zokuhlinzeka ukuze uqinisekise ukuthi ngeke kube nokushoda kwentambo enqubweni yokushisela. I-TANKII Alloy inezinhlobonhlobo zezintambo zokushisela ezinekhwalithi ezinzile, uma uzidinga, sicela usithinte.
Khona-ke yiziphi izinyathelo zokuphepha zokusetshenziswaIntambo yokushisela ye-MIG?
Into yokuqala ongayisho ukuthi ngokuya ngemishini, kubalulekile ukukhetha i-welder elungele ukushisela i-MIG. Ukusebenza kwe-welder kufanele kuzinzile, futhi ukuphuma kwamanje kanye ne-voltage kufanele kube nembayo. Ngesikhathi esifanayo, qiniseka ukuthi i-welder isekelwe kahle ukuze ivimbele i-electrocution. Ukusebenza okuvamile kohlelo lokuphakela ngocingo kuyisihluthulelo sokuqinisekisa ikhwalithi yokushisela. Indlela yokuphakela ngocingo kufanele ihambe kahle futhi ukucindezela kwesondo lokuphakelayo kufanele kube okuphakathi ukuze kugwenywe ukuphakelwa kwezintambo okungazinzile noma ukushelela kocingo. Ngaphezu kwalokho, ithubhu lokuphakela ngocingo kufanele lihlanzwe njalo ukuze kuvinjelwe ukuvaleka.
Ukukhethwa kwegesi yokuzivikela nakho kubalulekile. Amagesi avamile okuzivikela yi-argon, i-helium noma ingxube yawo. Qiniseka ukuthi ukuhlanzeka kwegesi evikelayo kuhlangabezana nezidingo zokuqinisekisa ikhwalithi yokushisela. Ukulungiswa okunengqondo kokugeleza kwegesi evikelayo kubaluleke kakhulu. Ngokuvamile, ukugeleza kwegesi kufanele kulungiswe ngokuya nge-welding yamanje, ububanzi bezintambo kanye nesimo sokushisela nezinye izici. Ngaphezu kwalokho inqubo yokushisela, ukuqinisekisa ukuvikeleka okuhle kwegesi ezungeze indawo yokushisela, ukugwema ukungena komoya echibini elincibilikisiwe.
Kumele kuqashelwe ukuthi ngokuvamile sikhetha ucingo lwe-MIG olufanele ngokusho kwempahla, ukujiya kanye nezidingo zokushisela zesisekelo. Ububanzi, ukwakheka kwamakhemikhali kanye nezakhiwo zemishini yocingo lokushisela kufanele kufane nesisekelo sezinto. Kufanele sihlole ikhwalithi engaphezulu yentambo yokushisela ngaphambi kokusetshenziswa, futhi siyihlanze uma kunokugqwala namafutha. Lawula ubude besandiso sentambo yokushisela. Ngokuvamile, ubude bocingo bungaphinda izikhathi ezingu-10 ububanzi bocingo bufanele. Ukwelula ubude besikhathi eside kakhulu kuzoholela ekwandeni kokumelana, ukuze ukushisa kocingo, okuthinta ikhwalithi ye-welding.
Ngaphezu kwalokho, izikhundla ezahlukene zokushisela zinezidingo ezahlukene zenqubo yokushisela. Esikhathini Welding flat, Welding mpo, Welding enezingqimba futhi emuva Welding isikhundla Welding, kufanele ulungise nemingcele Welding nezindlela zokusebenza ukuqinisekisa izinga Welding. Ukuze kushiselwe ezinye izinto ezinjengamapuleti awugqinsi noma i-high carbon steel, ukushisa kwangaphambi kwesikhathi kungase kudingeke ukuvimbela ukuqhekeka. Ngesikhathi esifanayo, izinga lokushisa le-interlayer kufanele lilawulwe ukuze ligweme ukuphakama kakhulu noma liphansi kakhulu. Ngesikhathi senqubo yokushisela, i-slag ne-spatter ebusweni be-weld kufanele ihlanzwe ngesikhathi ukuze kuqinisekiswe ikhwalithi yokubukeka kwe-weld kanye nenqubekela phambili ebushelelezi ye-welding elandelayo.
Isikhathi sokuthumela: Sep-02-2024