Indlela ukupheka metal Welding kagesi noma inverter? efanele Welding inqubo

Welding metal - indlela ezivame kakhulu uxhumano yabo zimboni (isakhiwo, ubunjiniyela, ebeka yamapayipi, njll ...). Ekuphileni kwethu kwansuku zonke (ekhaya, ezweni, egalaji), siphinda kuhlangatshezwane nesidingo kwesicelo Welding metal. Esontweni, lo msebenzi ubonakala engaqondakali, kunzima futhi engaqondakali. Ikakhulukazi ngoba kuhlobene nengozi athile okuphila.

Make sibone ukuthi kungani kunjalo. Indlela ukupheka metal Welding kagesi?

Ngo inethiwekhi lanamuhla ukuhweba has ezihlukahlukene imishini Welding, inverters, Ukuvikelwa phakathi nokuhlinzwa Welding. Zitholakala kunoma ubani, ngaleyo ndlela ukuthenga imishini efanele ungakwazi ngumnikazi umsebenzi Welding ukwenza. Sidinga kuphela ukufunda ukuthi ubuchwepheshe Welding metal, izimfuneko ukuthi ukuphepha. Ngaphezu kwalokho, kubalulekile ukuba bathole umkhuba kudingekile zokushisela.

Izinhlobo metal weld

Esikhathini sethu, sisungule amasu eziningi ezahlukene sendlela ukushisela metal. Ngokwesibonelo, ungasebenzisa i-imeyili futhi ukukhanya laser, ukuxhuma umkhiqizo nge ilangabi legesi upheke ultrasound. Kodwa umthombo esetshenziswa kakhulu kabanzi amandla ezifana arc kagesi.

Indlela ukupheka kwensimbi? Zokushisela ngezinto usebenzisa kagesi Welding izinto ezisetshenziswayo noma inverters iphathelene kagesi arc Welding, lapho ukulungiswa ukushisa Welding endaweni ezidingekile encibilika insimbi ukuthola nehlala njalo uxhumano umthungo, kufezwa ngokusebenzisa i arc kagesi (afinyelela ku-degree 7000 Celsius) ncibilika uyakwazi zensimbi.

izidingo zokuphepha

Into yokuqala udinga sokukhathazeka phambi lesifanele weld metal - kungcono ukuphepha kwabo emsebenzini. Kuyadingeka ukuba ulungiselele futhi agqoke izingubo ezivikelayo (amabhulukwe tight, ibhantshi, amabhuzu ukuphepha, Sweden noma isikhumba amagilavu). Siyokuvikela ukusha lapho Splashes metal esibunjiweyo. Kuyadingeka ukulungiselela buso noma Welding isihlangu ekhethekile - kuyoba ukuvikela amehlo akho kusukela elimazayo ukukhanya emisebeni arc Welding.

Kufanele banakekele umlilo - ukususa usendaweni Welding zonke izinto ezingase zibambe umlilo futhi uketshezi, ukulungiselela ukusebenzisa imishini umlilo-elwa (ngokungabi bikho izindlela ezikhethekile yokusondela ngisho ibhakede lamanzi), ukuqinisekisa ukupholisa egumbini lapho imisebenzi zizokwenziwa, ikakhulukazi nge front and ezinhlangothini ezingemuva umshini Welding.

Nakanjani kudingeka ufunde imiyalelo ku ukusetshenziswa umshini Welding futhi enze yonke idatha siyinkomba.

kagesi

Ngaphambi kokuzama ukufunda practice kanjani ukushisela metal, kufanele siqiniseke ukuthi kwemigomo inethiwekhi kagesi, okuyinto kunikwe amandla kusuka umshini Welding, kuhambisana nezidingo zayo. Uma kungenjalo, nezinye izinto zikagesi ixhunywe kwinethiwekhi kungalimala, wena nje kuphela, kodwa futhi emazweni angomakhelwane. Lokhu kuyiqiniso ikakhulu uma imishini transformer Welding, okuyinto kakhulu kuthinta khona amapayipi voltage okhuphuka phakathi ekuqaleni Welding futhi ekusetshenzisweni kakhulu kwemithombo kagesi lapho electrode is washaya weld. Ngaphezu kwalokho, kufanele ubeke umshini Welding ukuze angawi, kulimaze ngokwayo noma ukulimala abantu abaseduze noma izinto ngesikhathi umsebenzi. Izintambo ixhunywe unit kumele babe ukwahlukanisa efanele, kwathiwa waqonda. Kuyakuba umonakalo ngangokunokwenzeka.

Inqubo belungiselela umsebenzi

Indlela ukupheka kwensimbi? Indawo ukuba ashiselwe kumele kutsho phansi metal, sesomile. Okunqatshelwe enze umsebenzi Welding sezulu ezimanzi, imvula emoyeni ngaphansi kwamazinga okushisa aphansi. Akufanele bavunyelwe ukuthola UWelder elina electrode.

Indlela ukushisela metal by kagesi?

Zokushisela Kwenziwa ngaso zinamandla njalo noma kushintshana. Transformer welders Welding ukunikeza AC voltage.

Lapho Welding zamanje ngqo ezimbili okukhethwa yokuxhuma umshini Welding ukuphi. Lapho yokuxhuma isisindo plus futhi lokususa kuya electrode (lokhu kubizwa ngokuthi i-polarity phambili) kukhulu kunenani sensimbi evuthayo, zone elicibilikile kudalwa ezijulile futhi ayibanzi. inkinobho okunjalo asetshenziswe Welding metal uqweqwe kuholela ukusetshenziswa ukonga electrode. Lapho kuvuliwe okuphambene (polarity reverse) kuyinto nakakhulu evuthayo futhi kudliwe ngokushesha electrode ukuncibilika zone etholwe ububanzi futhi engajulile. Ngakho-ke, i-polarity reverse isetshenziswa kuphela uma Welding amashidi ezondile metal.

izici ehlukile ye inverters

Indlela ukupheka metal inverter? Inverter imishini Welding ukuguqula AC commercial ugesi voltage ku ukulandelana pulse imvamisa ephakeme bese yakha zamanje DC voltage. Ngenxa wesifunda electronic okuyinto uyaqaphela idatha kwengxoxo, inverter unomthelela encane amapayipi supply ngesikhatsi kokuhlinzwa, has a ukulungiswa okuhle voltage okukhiphayo, elinesimo isisindo amancane ngosayizi. Izinga okuholela weld inverter akusho sokudedela abanye imishini efanayo. Ngakho-ke, Welding inverters Uthole eminyakeni yamuva, lapho intengo zinsizakuphila kwehlile, ke isakazeke kabanzi. Buhle le divayisi inkimbinkimbi isihlobo ukusetshenziswa yayo Welding.

Indlela ukukhetha inverter

Kuvele ipharamitha okubalulekile inkathi inverter umthwalo (MF) amandla umthombo. Lokhu value, okuyinto ephawula nekusebenta inverter, libonisa ubuhlobo isikhathi Welding ukuze idling isikhathi. amadivaysi yaseNdlunkulu azisebenzi njalo. Badinga kudambe njalo. Ngakho, u-30% yenani PV we inverter kusho ukuthi ngemva njalo ngemva kwemizuzu engu 3 une ukushisela kokulinda umzuzu-7 ukuze umthombo kudambe. Uma uzama iqhubeke ngaphandle kweziphazamiso iyunithi ezivuthayo. Noma ukusebenza Ukuvikelwa, futhi izovala. Ngakho-ke, kumele inverter esikhethiwe MF okungenani u-60% kanye zamanje esiphezulu okungenani 140 - 160 A.

Ukuqalisa nge inverter

Ukuze uthole okuhlangenwe nakho e inverter metal indlela ukupheka kahle, kutuswa ukuba asebenze metal okungenani 2-3 mm obukhulu 3 mm esetshenziswa njengoba electrode. Electrode kangcono ukuthenga ezintsha. Old, amadala, lathathwa abanye, kungenzeka futhi manzi futhi engafanele ukusetshenziswa.

Indlela ukupheka kwensimbi? Uma lokhu okuhlangenwe nakho kwakho kuqala, zama ukwenza umphetho phezu kobuso kunye metal ngaphandle Welding ngayo kwenye ingxenye.

Cabanga ukulandelana komsebenzi.

Okokuqala, kubalulekile ukuxhuma umnikazi kuya electrode, kanye ikhebula phansi ukuze workpiece Welding ngokusebenzisa imishini. Enye semikhawulweni izintambo kufanele exhunywe kwi-okukhipha inverter e polarity evamile.

Okwesibili, kubalulekile ukuba uvule unit and ukusetha okhiqizwayo imingcele ngokuhambisana nezincomo kuncike ukushuba kwento okufanele ashiselwe kanye electrode ubukhulu ekhethiwe.

Welding metal amasu inikeza ukuthi amalahle sensimbi izinga lokushisa oyifunayo ukuthola weld izinga kuyadingeka ukuthatha ukujiya ezifanelekayo zendaba electrode. I mkhulu zokugcina, aba maningi ungqimba metal kungaba ukuxoxa futhi wamanje ngaphezulu kumele imiswe phezu kwengungu inverter ukuze arcing. Ngesikhathi esifanayo, ayanda wamanje, ngokushesha lo metal elicibilikile kanye electrode edliwe ngokushesha. Ukuze uthole nomzimba omncane ungqimba lensimbi elinezinhlangothi izimbobo ophakeme wangaleso sikhathi futhi esikhulu ngokuvamile akhiwa electrode, kokusha ngokusebenzisa impahla. Ngezinye zamanje liphansi kakhulu lingenzeki noma arc kagesi, noma, uma kwenzeka, kuvela umphetho engaphelele, abizwa kanjalo neprogar.

Into yesithathu kufanele sinake - lena kumiswa i arc kagesi. Ukuze lokhu kudingeka ukuba alishaye ithiphu electrode endaweni, okuyinto okumele ashiselwe, njengoba umdlalo we ebhokisini, ngaphandle kokukhipha ithiphu electrode ensimbini. Esimeni i arc ezakhiwe endaweni obomvu metal. Kodwa lokhu akulona metal ezibunjiwe, futhi ecucuza kuphela kwakhiwa phezu encibilika powder emgodleni electrode. Kumele ulinde ngenkathi ebambe ekupheleni electrode at ibanga 1-4 mm ukusuka ebusweni sensimbi, njengoba nje metal we arc akusho kulungele ekwakhekeni okuthiwa weld pool - amathonsi metal ezibunjiwe, elinesimo elikhanyayo orange umbala nangokuthuthumela ukugeleza zamanje.

Okwesine, kubalulekile ukuba bayeke towards umphetho mayunithi amamilimitha angu amabili electrode ekupheleni, futhi nabaligcinayo buqamama ecacisiwe ensimbini. Nalapha futhi, ulinde kumiswa amathonsi, nokunye, ezihambayo eduze weld kwenziwa. Lapho wathinta, ebusweni electrode metal kudala short circuit, le arc ubalekela, le inverter iyanqamula zamanje. Ngakho-ke kubalulekile ukuba uzame ukulondoloza ibanga njalo phakathi ithiphu electrode kanye ebusweni metal lapho weld, ngokuletha electrode kancane kancane nalokho njengoba amandla omlilo yayo. Kunalokho, electrode akuyona eshile elicibilikile, kwakheka metal echibini weld ikakhulukazi core metal we electrode. Powder-camera electrode ebusweni, yakha ecucuza futhi encibilika amagesi ekuvimbeleni-oksijini evela emoyeni ambient kuya metal weld kanye namachibi, kanye nokusiza inqubo ukwakha eliphezulu weld.

Phakathi nenqubo Welding Kunconywa ukuba ubambe electrode engela degree angaba 30 kusukela perpendicular workpiece ukuze akha compact weld pool kanye nendawo weld kwakukuhle ungabona. Kulapho electrode ukuze workpiece ngesikhathi Welding, side ngaphezulu kolunye uhlangothi kuyoba ibala the evuthayo metal evele kanye ekwakhekeni ichibi weld ngesikhathi amperage efanayo. I encane indawo ukuncibilika sensimbi luzuzwe sesimweni perpendicular kobuso electrode metal. Kodwa kulokhu kunzima observation UWelder ngenqubo Welding. Ngakho-ke, lesi simo isetshenziselwa kuphela lapho Welding e izindawo wayiswa.

Indlela ukushisela inverter metal?

Njengoba abaqeqeshiwe wokugcwalisa weld elula phezu usungaqala uhlanganise metal izingxenye. Inqubo efanayo, umehluko itholakala lokuthi ngempela leyo nto eziphothene kumelwe kuqala kuzolungiswa endaweni nge ngocingo noma ngezinye izindlela, futhi ukuhambisa ekupheleni electrode ngqo eduze kwaso, maqondana lekuhlanganeni, kanye nokunyakaza amazombe isikhungo ngokuhlanganyela lapho ichibi weld bebheke owokuqala ke omunye izingxenye, kancane kancane ezihambayo eduze umphetho, kanjalo yokuxhuma kubo.

The main into - impumelelo livela isipiliyoni. Ngokuthenga ke, ungakwazi esikhundleni ukusebenzisa Ochwepheshe yangaphandle (isikhathi eside impela imali eningi) ukuze ufunde ukuthi ukuze akwazi ukufeza umsebenzi Welding ngezandla zabo. Inhlanhla ukufunda nokusebenza!