Nepo chikamu chimwe chete chehurongwa hwakakura, iyo yekubata tipi mune ese ari maviri marobhoti uye semiautomatic gasi simbi arc welding (GMAW) pfuti inoita basa rakakosha mukupa inonzwika weld mhando. Iyo inogona zvakare kuenzana mukubudirira uye pundutso yekushanda kwako kwewelding- nguva yekudzikira yekuchinja yakawandisa inogona kukanganisa kuburitsa uye mutengo wevashandi uye hesera.
Basa guru retipi yekubata ndere kutungamira waya wewelding uye kuendesa welding ikozvino kune waya painopfuura nepabore. Chinangwa ndechekuita kuti waya yekudyisa kuburikidza netipi yekubata zvakanaka, uchichengeta yakanyanya kuonana. Kuti uwane mibairo yakanaka, zvakakosha kushandisa saizi yetipi yekubata-kana yemukati dhayamita (ID) - yekushandisa. Welding waya uye welding process zvese zvinopesvedzera kusarudzwa (Mufananidzo 1).
Impact yeWelding Wire paBata Tip Size
Matatu welding waya maitiro anokanganisa zvakananga kusarudzwa tip yeimwe application:
▪ Rudzi rwewaya
▪ Waya cast
▪ Hunhu hwewaya
Type-Bata tip vagadziri vanowanzo kurudzira akajairwa- (default) saizi yekubata matipi ewaya dzinoenderana, senge xxx-xx-45 yekubata tip ye0.045-inch waya. Mune zvimwe zviitiko, zvisinei, zvingave zviri nani kuita undersize kana kuwandisa iyo yekubata tipi kune dhayamita yewaya.
Iyo yakajairwa kushivirira kwewaya dzewelding inosiyana zvichienderana nerudzi. Semuenzaniso, American Welding Society (AWS) kodhi 5.18 inobvumira ± 0.001-in. kushivirira kwe0.045-in. waya dzakasimba, uye ± 0.002-in. kushivirira kwe0.045-in. tubular waya. Waya dzeTubular nealuminium, idzo dzakapfava, dzinoita zvakanakisa nemazano akajairwa kana akakurisa ekuonana anodzitendera kudya nepakati nesimba rekudyisa uye pasina kuputika kana kinking mukati me feeder kana welding pfuti.
Waya dzakasimba, neimwe nzira, dzakanyanya kuomarara, izvo zvinoreva kushoma matambudziko ekudyisa, zvichivabvumira kuti vabatanidzwe neakaderera ekuonana mazano.
Cast—Chikonzero chepamusoro-uye kudzikisa chidimbu chekusangana hachibatanidzi chete kurudzi rwewaya, asiwo nekukandwa kwayo uye helix. Kukandwa kunoreva dhayamita yewaya loop apo kureba kwewaya kwakaburitswa kubva pasuru ndokuiswa panzvimbo yakati sandara- kunyanya, kumonereka kwewaya. Iyo yakajairika chikumbaridzo chekukanda ndeye 40 kusvika 45 in.; kana waya yekukanda idiki pane iyi, usashandise undersized yekubata tip.
Iyo helix inoreva kuwanda kwewaya kusimuka kubva padenga rakati sandarara, uye haifanirwe kunge yakakura kudarika 1 mukati chero nzvimbo.
AWS inoisa zvinodikanwa zvewaya cast uye helix sekutonga kwemhando yekuona kuti iripo waya yekudyisa nenzira inoita kuti iite zvakanaka welding.
Imwe nzira yekufungidzira yekuwana iyo yakawanda nhamba yewaya cast inoenderana nehukuru hwepakeji. Waya yakarongedzerwa mumapakeji akawanda, senge dhiramu kana reel, inogona kuchengetedza yakakura cast kana kuti yakatwasuka contour pane waya yakarongedzwa muspool kana coil.
"Straight wire" inzvimbo inotengeswa yakawanda-yakazara waya, sezvo zviri nyore kudyisa waya yakatwasuka pane waya yakakombama. Vamwe vagadziri vanomonyororawo waya pavanenge vachiirongedza mudhiramu, izvo zvinoita kuti waya igadzire sine wave pachinzvimbo che loop kana yaburitswa kunze kwepakeji. Waya idzi dzine chakakandwa chakakura kwazvo (100 in. kana kudarika) uye dzinogona kupetwa nemazano akaderera.
Waya inodyiswa kubva kune diki spool, zvisinei, inowanzova nekukandwa kwakawanda-inoda kusvika makumi matatu mukati. kana dhayamita diki-uye kazhinji inoda mwero kana yakakura yekubata tipi saizi kuti ipe hunhu hwakakodzera hwekudyisa.
Mufananidzo 1
Kuti uwane yakanakisa welding mhedzisiro, zvakakosha kuve neiyo chaiyo yekubata tipi saizi yekushandisa. Welding waya uye welding process zvese zvinopesvedzera kusarudzwa.
Hunhu—Hunhu hwewaya hunokanganisawo kusarudzwa kwetip yekubata. Kuvandudzwa kwehutongi hwemhando yaita kuti dhayamita yekunze (OD) yewaya dzewelding dzive dzakarurama kupfuura makore apfuura, saka dzinodya zvakanaka. High-quality yakasimba waya, somuenzaniso, inopa dhayamita yakagadzikana uye yakakandwa, pamwe chete neyunifomu yemhangura yemhangura pamusoro; waya iyi inogona kushandiswa pamwe chete netipi yekusangana ine ID diki, nekuti pane kunyanyo kunetseka nezve waya buckling kana kinking. High-quality tubular wire inopa mabhenefiti akafanana, pamwe chete neyakatsetseka, yakachengeteka seams inodzivirira waya kuti isavhurika panguva yekudyisa.
Waya isina kunaka isina kugadzirwa kune yakaomesesa miyero inogona kuita isina kunaka waya yekudyisa uye erratic arc. Mazano akaderera ekubata haakurudzirwe kuti ashandiswe newaya dzine misiyano yeOD yakakura.
Sekuchenjerera, pese paunochinja kune imwe mhando kana mhando yewaya, zvakakosha kuti uongorore saizi yetipi yekubata kuti uve nechokwadi chekuti wawana mhedzisiro yaunoda.
Mhedzisiro yeWelding process
Mumakore achangopfuura shanduko mumaindasitiri ekugadzira uye ekugadzira yakafambisa shanduko mukuita welding, pamwe nehukuru hwetipi yekubata ichashandiswa. Semuyenzaniso, muindasitiri yemotokari umo maOEM ari kushandisa zvinhu zvakatetepa (uye zvakasimba) kubatsira kudzikisa huremu hwemotokari uye kuvandudza kushanda kwemafuta, vagadziri vanowanzoshandisa zvitubu zvemagetsi zvine mafungu epamusoro, senge pulsed kana kugadziridzwa pfupi-circuit. Aya mafungu epamberi anobatsira kuderedza spatter uye kuwedzera kumhanya kwewelding. Iyi mhando yewelding, inowanzo shandirwa mumarobhoti welding application, haina kushivirira kutsauka mukuita uye inoda matipi ekuonana anogona kunyatso uye nekuvimbika kuendesa waveform kune welding waya.
Mune yakajairwa pulse welding process uchishandisa 0.045-in. waya yakasimba, iyo yepamusoro ikozvino inogona kuva yakakura kupfuura 550 amps, uye ikozvino ramping kumhanya inogona kudarika 1 ´ 106 amp/sec. Nekuda kweizvozvo, iyo yekubata-tip-to-waya interface inoshanda senge switch pane pulse frequency, iri 150 kusvika 200 Hz.
Kubata tip hupenyu mukupusha welding kazhinji chidimbu cheiyo muGMAW, kana yekugara-voltage (CV) welding. Kusarudza yekubata tipi ine idiki ID yewaya iri kushandiswa inokurudzirwa kuve nechokwadi kuti tip/waya interface yekupokana yakadzikira zvekuti arcing yakashata haiitike. Semuyenzaniso, 0.045-in.-diameter yakasimba waya yaizoenderana zvakanaka netipi yekubata ine ID ye0.049 kusvika 0.050 mukati.
Manual kana semiautomatic welding application inoda kutariswa kwakasiyana kana zvasvika pakusarudza iyo chaiyo yekubata tipi saizi. Semiautomatic welding pfuti dzinowanzorebesa uye dzine macontours akaomarara kupfuura marobhoti pfuti. Kazhinji pane zvakare kubhenda kwakakura mumutsipa, izvo zvinobvumira welding operator kuti awane zvakanaka kuwana weld joint. Mutsipa une kona yakakura yekubhenda unogadzira simbi yakasimba pawaya painodyiswa. Naizvozvo, ipfungwa yakanaka kusarudza yekubata tipi ine ID yakati kurei kugonesa kupfava waya yekudyisa. Uku ndiko kugadzika kwechinyakare kwemasaizi etipi. Vazhinji vanogadzira pfuti vanoisa yavo yekusarudzika yetipi saizi zvinoenderana nesemiautomatic application. Semuenzaniso, 0.045-in. dhayamita yakasimba waya yaizoenderana netip yekubata ine ID ye0.052 kusvika 0.055 mukati.
Mhedzisiro yeKukurumidzira Kubata Tip Saizi
Saizi isiriyo yetipi yekubata, ingave yakakura kana idiki zvakanyanya kune iyo mhando, yakakandwa, uye mhando yewaya iri kushandiswa, inogona kukonzera kurongeka kwewaya kudya kana kusashanda zvakanaka kwearc. Kunyanya, mazano ekusangana ane maID akanyanyodiki anogona kuita kuti waya inyure mukati mebore, zvichitungamira mukutsva (Mufananidzo 2). Zvinogonawo kukonzera shiri, inova tangle yewaya mumadhiraivha ewaya feeder.
Mufananidzo 2
Burnback (waya yakashongedzwa) ndeimwe yeanowanzo kutadza maitiro emazano ekusangana. Iyo inonyanya kukanganiswa neiyo yekusangana tip yemukati dhayamita (ID).
Sezvineiwo, matipi ekubata ane ID yakakurisa kudhayamita yewaya inogona kubvumira waya kudzungaira painodya nepakati. Kudzungaira uku kunoguma nekusagadzikana kwearc, kusvirwa kunorema, kusakwana kusanganiswa, uye kusarongeka kweweld mujoini. Zviitiko izvi zvinonyanya kukosha mune aggressive pulse welding; iyo kiyi hole (Mufananidzo 3) chiyero (yekupfeka chiyero) chepamusoro-soro yekubata tipi inogona kupetwa kaviri iyo yeakaderera yekubata tipi.
Zvimwe Zvinofungwa
Izvo zvakakosha kuti unzwisise zvizere maitirwo ewelding usati wasarudza saizi yetip yebasa. Ramba uchifunga kuti basa rechitatu retip yekubata ndere kuita sefuse yewelding system. Chero matambudziko ari mupowertrain yewelding loop ari (uye anofanirwa kuratidzwa) sekutadza kuonana tip kutanga. Kana iyo yekubata tipi ikatadza zvakasiyana kana nguva isati yakwana musero rimwe zvichienzaniswa nechirimwa chose, sero iro rinogona kunge richida kugadziridzwa.
Iriwo zano rakanaka kuongorora kushivirira kwekushanda kwako kune njodzi; ndiko kuti, imarii inodhura kana zano rekuonana rakundikana. Mune semiautomatic application, semuenzaniso, zvinogoneka kuti welding opareta anogona kukurumidza kuona chero matambudziko uye kutsiva yakundikana yekubata tipi pahupfumi. Nekudaro, iyo mari yekusatarisirwa yekubata tip kukundikana mune robhoti welding oparesheni yakakwira zvakanyanya kupfuura iyo mune manual welding. Muchiitiko ichi, iwe unoda matipi ekuonana anoshanda akavimbika kuburikidza nenguva iri pakati peyakarongwa yekuonana tipi shanduko, semuenzaniso, imwe shift. Kazhinji ichokwadi kuti mune akawanda marobhoti welding mashandiro, kuwirirana kwemhando yakapihwa netip yekusangana kwakakosha kupfuura kuti inotora nguva yakareba sei.
Ramba uchifunga kuti iyi ingori mitemo yakajairika yekusarudza saizi yetipi yekubata. Kuti uone saizi chaiyo, zvakakosha kuti utarise akakundikana kuonana mazano muchirimwa. Kana akawanda eakatadza matipi ekusangana ane waya akajairwa mukati, iyo yekusangana tipi ID idiki.
Kana akawanda akatadza matipi ekusangana asina waya, asi rough arc uye yakashata weld mhando yakaonekwa, zvingave zvinobatsira kusarudza undersized kuonana matipi.
Mufananidzo 3
Yakawandisa keyhole zvakare ndeimwe yeanowanzo kutadza modhi yemazano ekubata. Iyo zvakare inokanganiswa zvakanyanya neiyo yemukati dhayamita yemukati (ID).
Nguva yekutumira: Jan-02-2023
