MIG welding inoonekwa seimwe yeakareruka welding maitiro ekudzidza uye anobatsira kune akasiyana maapplication uye maindasitiri. Sezvo waya yewelding ichigara ichidyisa kuburikidza neMIG pfuti panguva yekuita, haidi kumira kazhinji, sekunge netsvimbo welding. Mhedzisiro ndeye kukurumidza kukurumidza kufamba uye kubudirira kukuru.
Iko kuita kwakasiyana-siyana uye kumhanya kweMIG welding zvakare inoita kuti ive sarudzo yakanaka kune ese-nzvimbo welding pasimbi dzakasiyana siyana, kusanganisira dzakapfava uye dzisina simbi, muhukobvu hwakasiyana. Pamusoro pezvo, inogadzira weld yakachena inoda kucheneswa zvishoma pane stick kana flux-cored welding.
Kuti uwedzere mabhenefiti aya anopihwa, zvisinei, zvakakosha kusarudza iyo chaiyo MIG pfuti yebasa racho. Muchokwadi, zvakatemwa zvemudziyo uyu zvinogona kukanganisa zvakanyanya kugadzira, kuderera, weld mhando uye mutengo wekushandisa - pamwe nekunyaradza kwevanoshinha. Heano maitiro emhando dzakasiyana dzeMIG pfuti uye zvimwe zvakakosha zvekufunga nezvazvo paunenge uchiita sarudzo.
Chii chinonzi amperage?
Zvakakosha kusarudza pfuti yeMIG inopa amperage yakakwana uye basa rekutenderera kwebasa kuitira kudzivirira kupisa. Duty cycle inoreva nhamba yemaminitsi mumaminitsi gumi ekuti pfuti inogona kushandiswa pakuzara kwayo pasina kupisa. Semuenzaniso, 60 muzana yebasa cycle inoreva maminitsi matanhatu e-arc-panguva mumaminitsi gumi. Nemhaka yokuti vagadziri vakawanda vewelding havatsikidze 100 muzana yenguva, kazhinji zvinogoneka kushandisa pfuti yakaderera yepfuti yesimbi inopinza iyo inoda imwe yakakwirira-amperage; pfuti dzakaderera dzinowanzoita diki uye nyore kufambisa, saka dzinonyanya kugadzikana kune welding operator.
Paunenge uchiongorora huwandu hwepfuti, zvakakosha kufunga nezvekudzivirira gasi richashandiswa. Zvizhinji zvepfuti muindasitiri zvinoedzwa uye zvakatemerwa kutenderera kwebasa zvinoenderana nekuita kwavo ne100 muzana CO2; gasi rinodzivirira iri rinowanzoita kuti pfuti itonhorese panguva yekushanda. Sezvineiwo, musanganiswa-gasi musanganiswa, wakadai se75 muzana argon uye 25 muzana CO2, inoita iyo arc inopisa uye nekudaro inoita kuti pfuti iite kupisa, izvo zvinopedzisira zvaderedza basa rekutenderera. Semuenzaniso, kana pfuti yakayerwa pa 100 muzana yebasa cycle (zvichienderana neindasitiri-yakajairwa kuyedzwa ne 100 muzana CO2), chiyero chayo nemagasi akasanganiswa ichave yakaderera. Zvakakosha kubhadhara kutenderera kwebasa uye kudzivirira gasi kusanganiswa - kana pfuti yakarongwa pa 60 muzana chete yebasa rekutenderera ne CO2, kushandiswa kwemagasi akavhenganiswa kuchaita kuti pfuti ishande inopisa uye isingagari yakasimba.
Mvura- inopesana nemhepo-yakatonhorera
Kusarudza pfuti yeMIG inopa yakanakisa nyaradzo uye inoshanda painotonhorera tembiricha inobvumidzwa nechishandiso inogona kubatsira kuvandudza arc-panguva uye kugadzirwa - uye, pakupedzisira, kuwedzera purofiti yekushanda kwewelding.
Kusarudza pakati pemvura- kana mhepo-yakatonhodzwa MIG pfuti kunoenderana zvakanyanya nekushandiswa uye amperage zvinodiwa, welding inodiwa uye mutengo wekufunga.
Zvishandiso zvinosanganisira welding sheet simbi kwemaminetsi mashoma awa yega yega ine zvishoma zvinoda mabhenefiti emvura-inotonhorera system. Kune rimwe divi, zvitoro zvine midziyo yakamira iyo inodzokororwa weld pa600 amps ingangoda mvura-yakatonhorera MIG pfuti kubata kupisa kunoitwa nemaapplication.
Mvura-yakatonhodzwa MIG welding system inopomba inotonhorera mhinduro kubva kune radiator unit, inowanzobatanidzwa mukati kana pedyo nemagetsi, kuburikidza nehosi mukati metambo yetambo, uye mubato repfuti nemutsipa. Iyo inotonhorera inozodzokera kune radiator, uko inobatikana system inoburitsa kupisa kwakabatwa neinotonhodza. Mhepo yakadzikama uye gasi rinodzivirira rinowedzera kuparadzira kupisa kubva kune welding arc.
Sezvineiwo, mhepo-inotonhorera sisitimu inotsamira chete pamhepo yakadzika uye inodzivirira gasi kuti ibvise kupisa kunovaka pamwe nehurefu hwedunhu rewelding. Aya masisitimu, ayo anotangira pa150 kusvika 600 amps, anoshandisa copper yakakora yakawanda kupfuura masisitimu anotonhodzwa nemvura. Nokuenzanisa, pfuti dzakanyoroveswa mvura dzinobva pa300 kusvika ku600 amps.
Imwe neimwe sisitimu ine zvayakanakira nezvayakaipira. Pfuti dzakatonhodzwa nemvura dzinodhura kumberi, uye dzinogona kuda mari yakawanda yekugadzirisa nekushandisa. Zvisinei, pfuti dzakanyoroveswa nemvura dzinogona kuva dzakareruka zvikuru uye dzakapfava zvikuru kupfuura pfuti dzakanyoroveswa nemhepo, saka dzinogona kupa zvibereko zvakanaka kupfurikidza nokuderedza kuneta kwevashandi. Asi nekuti pfuti dzakanyoroveswa nemvura dzinoda mimwe michina, dzinogona zvakare kusashanda kune maapplication anoda kutakurika.
Heavy- versus light-duty
Nepo pfuti yakaderera-amperage inogona kukodzera kune mamwe maapplication, iva shuwa kuti inopa inodiwa welding simba rebasa racho. A light-duty MIG pfuti kazhinji ndiyo yakanakisa sarudzo yezvikumbiro zvinoda mapfupi arc-panguva, senge kukwenya zvikamu kana welding sheet simbi. Pfuti dzemagetsi dzinowanzopa zana kusvika mazana matatu amps ehukwanisi, uye dzinowanzoita diki uye dzinorema zvishoma pane zvinorema-basa pfuti. Mazhinji mwenje-basa MIG pfuti dzine diki, compact zvibato zvakare, zvichiita kuti dziwedzere kugadzika kune welding operator.
Chiedza-basa MIG pfuti dzinopa zvakajairwa maficha nemutengo wakaderera. Vanoshandisa light- kana standard-duty consumables (nozzles, contact tips and retaining heads), ayo ane huremu hushoma uye asingadhure pane mamwe anorema-basa.
Kusununguka kwekutambudzika papfuti dzechiedza-dzinongowanzoumbwa nechikamu cherabha chinoshanduka uye, pane dzimwe nguva, chinogona kunge chisipo. Somugumisiro, kutarisirwa kunofanira kutorwa kudzivirira kinking iyo inogona kukanganisa kudya kwewaya uye kubuda kwegesi. Uyewo cherechedza, kushanda zvakanyanya pfuti yeMIG inogona kutungamirira kukukundikana, saka rudzi urwu rwepfuti runogona kunge rusina kukodzera kune imwe nzvimbo ine mapurogiramu akawanda ane zvido zvakasiyana-siyana.
Kune rumwe rutivi rwechiratidziro, zvinorema-basa MIG pfuti ndiyo yakanakisa sarudzo yemabasa anoda kureba arc-panguva kana akawanda anopfuura pane dzakakora zvikamu zvezvinhu, kusanganisira akawanda maapplication anowanikwa mukugadzira midziyo inorema uye mamwe mabasa anoda welding. Pfuti idzi dzinowanzobva pa400 kusvika ku600 amps uye dzinowanikwa mumhepo-uye mvura-yakatonhodzwa modhi. Ivo vanowanzova neakakura mabatiro ekugonesa tambo huru dzinodiwa kuendesa aya epamusoro amperages. Pfuti dzinowanzoshandisa heavy-duty front-end consumables dzinokwanisa kushingirira dzakakwirira amperages uye refu arc-on nguva. Mitsipa inowanzorebesa zvakare, kuisa kureba pakati peiyo welding opareta uye yakanyanya kupisa kubuda kubva kuarc.
Fume extraction pfuti
Kune mamwe maapplication uye welding mashandiro, pfuti yekubvisa utsi inogona kunge iri yakanakisa sarudzo. Zviyero zveindasitiri kubva kuOccupational Safety and Health Administration (OSHA) nemamwe masangano anodzora kuchengetedzwa anoraira miganhu inotenderwa yehutsi hwehutsi uye zvimwe zvinhu (kusanganisira hexavalent chromium) zvakatungamira makambani mazhinji kuita mari. Saizvozvo, makambani anotsvaga kukwirisa welding opareta chengetedzo uye kukwezva vatsva vane hunyanzvi welding operators kumunda vangada kufunga nezve pfuti idzi, sezvo vachigona kubatsira kugadzira nzvimbo inoyevedza yebasa. Fume extraction pfuti dzinowanikwa muma amperages anowanzo kubva pa300 kusvika 600 amps, pamwe neakasiyana siyana matambo uye magadzirirwo emubato. Sezvinei nemidziyo yese yewelding, vane zvazvakanakira uye zvavasingakwanisi, zvakanakisa zvikumbiro, zvinodiwa zvekugadzirisa uye nezvimwe. Imwe mukana wakasiyana wepfuti dzekubvisa utsi ndeyekuti dzinobvisa utsi panzvimbo yacho, zvichideredza huwandu hunopinda munzvimbo yekufema yeanopisa.
Imwe mukana wakasiyana wepfuti dzekubvisa utsi ndeyekuti dzinobvisa utsi panzvimbo yacho, zvichideredza huwandu hunopinda munzvimbo yekufema yeanopisa.
Fume extraction pfuti dzinogona, pamwe chete nezvimwe zvakawanda zvinosiyana mukushanda kwewelding - welding wire kusarudzwa, nzira dzekufambisa dzakatarwa uye maitirwo ewelding, welding opareta maitiro uye kusarudzwa kwezvinhu - kubatsira makambani kuchengetedza kutevedzera mitemo yekuchengetedza uye kugadzira yakachena, yakanyatsogadzikana welding. zvakatipoteredza.
Pfuti idzi dzinoshanda nekutora utsi hunogadzirwa newelding process ipapo chaipo, pamusoro nekutenderedza dziva reweld. Vagadziri vakasiyana-siyana vane nzira dzevaridzi dzekugadzira pfuti kuti dziite ichi chiitiko asi, padanho rekutanga, ese anoshanda zvakafanana: nekuyerera kukuru kana kufamba kwezvinhu. Kufamba uku kunoitika nenzira yekamuri yevacuum inosveta utsi kuburikidza nemubato wepfuti uye mupombi yepfuti kusvika pachiteshi chefiltration system (dzimwe nguva dzinonzi vacuum box).
Pfuti dzekubvisa fume dzakanyatsokodzera maapplication anoshandisa solid, flux-cored kana metal cored welding wire pamwe neaya anoitirwa munzvimbo dzakavharirwa. Izvi zvinosanganisira, asi hazvina kuganhurirwa, zvikumbiro mukugadzira ngarava uye inorema michina yekugadzira maindasitiri, pamwe neyakajairwa kugadzira nekugadzira. Iwo zvakare akanakira welding pane yakapfava uye kabhoni simbi maapplication, uye paStainless simbi maapplication, sezvo ichi chinhu chichigadzira yakakura mazinga ehexavalent chromium. Pamusoro pezvo, pfuti dzinoshanda nemazvo pane yakakwira amperage uye yakakwirira deposition rate application.
Zvimwe zvinofungwa: Cables nezvibatiso
Kana zvasvika pakusarudzwa kwetambo, kusarudza idiki, ipfupi uye yakareruka tambo inokwanisa kubata iyo amperage inogona kupa kuchinjika kukuru, zvichiita kuti zvive nyore kufambisa iyo MIG pfuti uye kuderedza clutter munzvimbo yebasa. Vagadziri vanopa tambo dzemaindasitiri kubva pa8 kusvika 25 tsoka kureba. Iyo yakareba tambo, ndiyo yakawanda mukana wekuti inogona kumonereka zvinhu muweld cell kana kusungirirwa pasi uye zvichigona kukanganisa kudya kwewaya.
Nekudaro, dzimwe nguva tambo refu inodiwa kana chikamu chiri kukwenenzverwa chiri chikuru kwazvo kana kana vanogadzira welding vachifanira kutenderera nemakona kana pamusoro pezvigadziriso kuti vapedze basa riripo. Muzviitiko izvi, uko vashandisi vari kufamba vachidzoka nekudzoka pakati pemarefu uye mapfupi madaro, simbi mono coil tambo inogona kunge iri sarudzo iri nani. Rudzi urwu rwetambo haruite nyore nyore seyakajairika maindasitiri tambo uye inogona kupa yakapfava waya yekudyisa.
Mubato wepfuti yeMIG uye dhizaini yemutsipa inogona kukanganisa kuti mushandisi anogona kureba kwenguva yakareba sei pasina kuneta. Sarudzo dzemabatiro dzinosanganisira dzakatwasanuka kana dzakakombama, ese ari maviri anouya mune akafemerwa masitaera; sarudzo kazhinji inowira pasi kune welding operator zvido.
Mubato wakatwasuka ndiyo yakanakisa sarudzo yevashandisi vanosarudza chinokonzeresa pamusoro, sezvo mabatiro akakombama mazhinji haapi iyi sarudzo. Nemubato wakatwasuka, mufambisi anogona kutenderedza mutsipa kuti aise chinokonzeresa kumusoro kana pasi.
Mhedziso
Pakupedzisira, kuderedza kuneta, kuderedza kudzokorora kufamba uye kuderedza kushushikana kwemuviri kwese zvinhu zvakakosha zvinopa nzvimbo yakachengeteka, yakasununguka uye inobudirira. Kusarudza pfuti yeMIG inopa yakanakisa nyaradzo uye inoshanda painotonhorera tembiricha inobvumidzwa nechishandiso inogona kubatsira kuvandudza arc-panguva uye kugadzirwa - uye, pakupedzisira, kuwedzera purofiti yekushanda kwewelding.
Nguva yekutumira: Jan-01-2023
