Nheyo ye argon arc welding
Argon arc welding inzira yewelding inoshandisa inert gasi argon segasi rinodzivirira.
Hunhu hwe argon arc welding
1. Hunhu hwe weld hwakakwirira. Sezvo argon iri gasi inert uye isingaiti chemakemikari nesimbi, zvinyorwa zvealloy hazvizopiswi, uye argon hainyauka nesimbi. Iyo welding process ndiyo inonyanya kunyungudika uye crystallization yesimbi. Naizvozvo, mhedzisiro yekudzivirira iri nani, uye yakachena uye yemhando yepamusoro weld inogona kuwanikwa.
2. The welding deformation stress idiki. Nekuti iyo arc inomanikidzwa uye yakanyoroveswa neiyo argon gasi kuyerera, kupisa kwearc kwakadzikira, uye tembiricha yeargon arc yakanyanya kwazvo, saka iyo inopisa nzvimbo inobatwa idiki, saka kushushikana uye deformation panguva yewelding idiki. kunyanya kune mafirimu matete. Welding yezvikamu uye pasi welding yepombi.
3. Iyo ine yakakura welding siyana uye inogona weld dzinenge dzese simbi midziyo, kunyanya yakakodzera kune welding simbi uye alloys ane anoshanda makemikari zvinoriumba.
Xinfa welding midziyo ine hunhu hwemhando yepamusoro uye mutengo wakaderera. Kuti uwane ruzivo, ndapota shanya:Welding & Cutting Manufacturers - China Welding & Cutting Factory & Suppliers (xinfatools.com)
Kurongwa kwe argon arc welding
1. Maererano nezvinhu zvakasiyana-siyana zve electrode, argon arc welding inogona kukamurwa kuva tungsten arc welding (non-melting electrode) uye kunyunguduka electrode argon arc welding.
2. Maererano nemaitiro ayo ekushanda, inogona kugoverwa kuva manual, semi-automatic uye automatic argon arc welding.
3. Maererano nemasimba emagetsi, inogona kugoverwa kuva DC argon arc welding, AC argon arc welding uye pulse argon arc welding.
Kugadzirira musati welding
1. Verenga iyo welding process kadhi kuti unzwisise zvinhu zvewelding workpiece, iyo inodiwa midziyo, maturusi uye zvinoenderana nemaitiro parameters, kusanganisira kusarudza chaiyo welding muchina (senge welding aluminium alloy, unofanirwa kushandisa AC welding muchina), uye kusarudzwa kwakarurama kwe tungsten electrodes uye kuyerera kwegesi.
▶ Chekutanga pane zvese, isu tinofanirwa kuziva iyo welding ikozvino uye mamwe maitiro maparamita kubva pakadhi rekuita welding. Wobva wasarudza tungsten electrode (kazhinji kutaura, dhayamita ye2.4mm ndiyo inonyanya kushandiswa, uye ikozvino inochinjika siyana i150 ~ 250A, kunze kwealuminium).
▶ Saizi yemuromo inofanira kusarudzwa zvichienderana nehupamhi hwe tungsten electrode. 2.5 ~ 3.5 nguva dhayamita ye tungsten electrode ndiyo dhayamita yemukati yemuromo.
▶ Chekupedzisira, sarudza mwero wekuyerera kwegasi zvichienderana nedhayamita yemukati memuromo. 0.8-1.2 nguva dhayamita yemukati yemuromo ndiyo gasi rinoyerera. Kureba kwekuwedzera kwe tungsten electrode haifaniri kudarika dhayamita yemukati yemuromo, kana zvisina kudaro pores ichaitika nyore nyore.
2. Tarisa uone kana muchina wewelding, gasi rekupa system, mvura yekupa mvura, uye grounding zvakamira.
3. Tarisa kana workpiece inokodzera:
▶Kungave kune mafuta, ngura uye imwe tsvina (weld mukati me20mm inofanira kunge yakachena uye yakaoma).
▶Kuti bevel angle, gap, uye blunt edge zvakakodzera here. Kana iyo groove angle uye gap yakakura, iyo welding vhoriyamu ichave yakakura uye welding inogona kuitika nyore. Kana iyo groove angle iri diki, gap iri diki, uye mupendero wakashata wakakora, zviri nyore kukonzeresa fusion isina kukwana uye welding isina kukwana. Kazhinji kutaura, bevel angle ndeye 30 ° ~ 32 °, gap iri 0 ~ 4mm, uye yakagomara mupendero i0 ~ 1mm.
▶Mupendero usiriwo haugone kuve wakakurisa, kazhinji mukati me1mm.
▶Kuti kureba uye nhamba yematack welding point inosangana nezvinodiwa, uye tack welding pachayo haifanirwe kunge isina hurema.
Maitiro ekushandisa argon arc welding
Argon arc oparesheni umo maoko ese ari kufamba panguva imwe chete. Zvakangofanana neruoko rweruboshwe kudhirowa denderedzwa uye ruoko rwerudyi kudhirowa sikweya muhupenyu hwedu hwezuva nezuva. Nokudaro, zvinokurudzirwa kuti avo vari kutanga kudzidza argon arc welding vanofanira kuita kudzidzisa kwakafanana, izvo zvichabatsira kudzidza argon arc welding. .
1. Kudyisa waya: yakakamurwa kuita waya yekuzadza mukati uye waya yekuzadza kunze.
▶Waya yekuzadza kunze inogona kushandiswa kudzika uye kuzadza. Inoshandisa ikozvino yakakura. Musoro wewaya yewelding uri kumberi kwegorofu. Bata waya yewelding neruoko rwako rwekuruboshwe woramba uchiipinza mudhamu rakanyungudutswa rekunyungudusa. Iyo groove gap inoda diki kana kuti isina gap.
Kubatsira kwayo ndeyekuti ikozvino yakakura uye gaka idiki, saka hunyanzvi hwekugadzira hwakakwirira uye hunyanzvi hwekushandisa huri nyore kugona. Kukanganisa kwayo ndeyekuti kana ikashandiswa priming, mutyairi haakwanise kuona kunyunguduka kwemupendero wakashata uye kureba kwakawedzera kudivi rekumashure, saka zviri nyore kuburitsa isina kufukidzwa uye isingadiwe reverse kuumba.
▶Waya yekuzadza inogona kungoshandiswa pazasi welding. Shandisa chigunwe chekuruboshwe, chigunwe che index kana chigunwe chepakati kuronga kufamba kwewaya. Kagunwe kadiki nechigunwe chemhete zvinobata waya kudzora kwainoenda. Waya iri padyo nemupendero wakagomara mukati megorofu, pamwe chete nemupendero wakagomara. Pakunyunguduka uye welding, gomba regorofu rinodikanwa kuti rive rakakura kudarika dhayamita yewaya yekubatira. Kana iri ndiro, waya yewelding inogona kukoneswa kuita arc.
Chakanakira ndechekuti waya yekugezesa iri kune rimwe divi regorovha, saka iwe unogona kunyatsoona kunyunguduka kweyakavhurika mupendero uye waya yekubatira, uye iwe unogona zvakare kuona kusimbiswa kune reverse kudivi nechiono chako cheperipheral. weld yakanyatsobatanidzwa, uye kusimbiswa uye kushayikwa kwekusanganiswa kune reverse side kunogona kuwanikwa. Kudzora kwakanaka kwazvo. Izvo zvakashata ndezvekuti kushanda kwakaoma uye kunoda kuti welder ave neunyanzvi hwekushanda. Nekuti gap rakakura, iyo welding vhoriyamu inowedzera zvinoenderana. Iyo gap yakakura, saka ikozvino yakaderera, uye kushanda kwekushanda kunononoka kupfuura iyo yekunze filler wire.
2. Mubato we welding unokamurwa kuita chibatiso chekuzunungusa uye mop.
▶ Mubato unozunguza kudzvanya muromo wewelding zvine simba zvishoma pane welding seam, uye kuzunza ruoko zvakanyanya kuti uite welding. Kubatsira kwaro ndekwekuti welding nozzle inotsikirirwa pane weld seam uye welding mubato wakanyatsogadzikana panguva yekushanda, saka weld seam yakachengetedzwa zvakanaka, mhando yakanaka, chitarisiko chakanaka kwazvo, uye chiyero chekukodzera chigadzirwa chakakwira. Kunyanya, welding pamusoro iri nyore chaizvo uye inogona kushandiswa kana welding Stainless simbi. Wana ruvara rwakanaka kwazvo. Iyo yakaipa ndeyokuti zvakaoma kudzidza. Nekuti ruoko runozununguka zvakanyanya, hazvibviri kubatanidza muzvipingamupinyi.
▶Mop inoreva kuti welding tip inozembera zvinyoro nyoro kana kuti kwete pamusono. Chigunwe chidiki kana rin'i yeruoko rwerudyi zvakare inotsamira kana kwete kune workpiece. Ruoko runozununguka zvishoma nezvishoma uye runokweva mubato wewelding wewelding. Zvayakanakira ndezvekuti zviri nyore kudzidza uye zvine kuchinjika kwakanaka. Kukanganisa kwayo ndeyekuti chimiro uye hutano hazvina kunaka semubato we swing. Kunyanya iyo welding yekumusoro haina mubato wekuzunguza wekufambisa welding. Zvakaoma kuwana ruvara rwakakodzera uye chimiro kana uchiisa simbi isina tsvina.
3. Arc ignition
An arc starter (high-frequency oscillator kana high-frequency pulse generator) inowanzo shandiswa kutanga arc. Iyo tungsten electrode uye weldment haisi kusangana kune imwe neimwe kupisa arc. Kana pasina arc starter, contact arc starter inoshandiswa (inonyanya kushandiswa pakugadzira nzvimbo yekuvaka, kunyanya yakakwirira-yakakwirira), mhangura kana graphite inogona kuiswa pa groove ye weldment yekupisa arc, asi nzira iyi inonyanya kunetsa. uye kashoma kushandiswa. Kazhinji, waya yewelding inoshandiswa kukwevera zvishoma waya yewelding kuti ipfupike-kupfupisa weldment uye tungsten electrode uye nekukasira kudimbura kuti ubatidze arc.
4.Welding
Mushure mekunge arc yadzimwa, iyo weldment inofanira kunge isati yatanga 3 kusvika ku5 seconds pakutanga kwe weldment. Kudyisa waya kunotanga mushure mekunge dziva rakanyungudutswa raumbwa. Paunenge uchiputira, kona yewadhi yewadhi yepfuti inofanira kunge yakakodzera uye tambo yekugadzira inofanira kudyiswa zvakaenzana. Pfuti yewelding inofanira kufambira mberi zvakanaka uye ichitenderera kuruboshwe uye kurudyi, nemativi maviri zvishoma zvishoma uye yepakati nekukurumidza zvishoma. Nyatsoteerera kune shanduko mudziva rakanyungudutswa. Kana dziva rakanyungudutswa rakura, weld inova yakafara kana concave, kumhanya kwewelding kunofanirwa kukwidziridzwa kana welding ikozvino inofanira kugadziridzwa kumashure. Kana iyo yakanyungudutswa dziva fusion isiri yakanaka uye waya yekudyisa inonzwa isingafambi, kumhanya kwewelding kunofanirwa kuderedzwa kana welding ikozvino inofanira kuwedzerwa. Kana iri pasi welding, kutarisisa kunofanirwa kutariswa pamicheto isina kujeka pamativi ese egororo uye makona emeso. Nechiono chako cheperipheral kune rumwe rutivi rwemusono, teerera kune shanduko mune mamwe marefu.
5. kuvhara arc
Kana iyo arc yakavharwa zvakananga, zviri nyore kubudisa shrinkage makomba. Kana pfuti yemoto ine arc starter, arc inofanira kuvharwa zvishoma nezvishoma kana kugadziriswa kune yakakodzera arc ikozvino uye arc inofanira kuvharwa zvishoma nezvishoma. Kana iyo welding muchina usina arc starter, iyo arc inofanirwa kutungamirwa zvishoma nezvishoma kune groove. Usaburitse shrinkage makomba kune rumwe rutivi. Kana maburi ekupwanya akaitika, anofanira kukwenenzverwa akachena asati apinza.
Kana kuvharwa kwearc kuri pajoinhi, mubatanidzwa unofanirwa kugadzika kuita bevel kutanga. Mushure mekunge mubatanidzwa wanyungudika zvizere, weld kumberi 10 ~ 20mm uye wobva wavhara zvishoma nezvishoma arc kudzivirira shrinkage cavities. Mukugadzirwa, zvinowanzoonekwa kuti majoini haaputirwe mubevels, asi nguva yekuputika yezvibatanidza yakawedzerwa zvakananga. Iyi itsika yakaipa zvikuru. Nenzira iyi, majoini anowanzoita concave, asina kuvharwa majoini uye disjointed back surfaces, izvo zvinokanganisa kutaridzika kwekuumba. Semuyenzaniso, kana iri alloy yakakwira Nyaya yacho inokwanisawo kutsemuka.
Mushure mekuputika, tarisa kuti chitarisiko chinogutsa. Dzima simba uye gasi paunenge uchienda.
Nguva yekutumira: Zvita-19-2023
