Sei tichida laser wire welding?

Zvichienzaniswa nenzira dzechinyakare dzekunamira,welding nelaserine zvakanakira zvikuru - kupisa kushoma, kumhanya kwekushongedza nekukurumidza, nzvimbo diki inokanganiswa nekupisa,

Mumakore achangopfuura, laser welding yave ichishandiswa zvakanyanya muindasitiri yemotokari, indasitiri yekuvaka ngarava, indasitiri yesimba renyukireya, uye mundege.

Indasitiri yendege nedzimwe indasitiri dzemhando yepamusoro dziri kushandiswa zvakanyanya, uye nekudzikira kwemitengo yemidziyo yakazara, mumidziyo yezuva nezuva.

Uye mamwe mashandisirwo ane chekuita nehupenyu akatanga kukura nekukurumidza. Asi panguva imwe chete, single laser welding ine zvimwe zvikanganiso,

Hazvigone kusangana nezvinodiwa zvakasiyana-siyana: chekutanga, zvinodiwa zve single laser welding pa weld assembly gap zvakanyanya kuomarara,

Kazhinji chinodiwa kuti chive nemukaha <0.2mm, zvikasadaro zvinonetsa kuwana kubatana kwakanaka; Chechipiri,welding imwe chete nelaserinonzwa zvakanyanya kana paine mitswe yekuwedera

Zviri nyore kwazvo kukonzera kutsemuka kweweld, uye chimiro cheweld hachigone kugadziriswa kuti chidzore kugadzirwa kwetsemuka; Chechitatu, chimwe chete

Kupinza neLaser kunoda maLaser ane simba rakawanda pakupinza maplate akakura, uye kugona kwayo kupinda kunoenderana nesimba reLaser.

Uye hunhu hwe weld hahugone kuvimbiswa zvizere.

Kuti zvizadzise zvinodiwa nekuvandudzwa kwemaindasitiri akasiyana-siyana, nzira dzekugadzira laser welding dzakavandudzwawo, uye budiriro inoenderana nayo yakagadziridzwa, senge chinyorwa chino.

Kubatanidza waya nelaser nedzimwe nzira dzekusanganisa tambo nelaser zvinotsanangurwa. Kubatanidza waya nelaser kunogadzirwa zvichibva pakusanganisa nelaser imwe chete,

Kana ichienzaniswa ne single laser welding, ine zvakanakira zviri pachena:

①Deredza zvakanyanya zvinodiwa pakuungana kwechinhu chebasa, nekuti waya yekuwelda inowedzerwa mukuita kwekuwelda, simbi yedziva rekuwelda ichawedzerwa zvakanyanya uye inogona kuvharidzirwa

Batanidza nepakati peweld yakakura, uku uchiita kuti weld izare zvakanyanya;

Hunhu hwe microstructure yenzvimbo ye weld hunogona kudzorwa, nekuti kuumbwa kwewaya ye welding kwakasiyana nekwezvinhu zvepasi pe weld joint.

Mushure mekunge waya yabatanidzwa mudziva rekuwelda, mhando, maumbirwo uye chiyero chedziva rekuwelda zvinogona kugadziriswa kuti zvidzore maitiro ekusimba uye kuumbwa kwechimiro chidiki.

(3) Simba rinopinzwa mumutsara diki, nzvimbo inokanganiswa nekupisa uye kushanduka kwekupisa kudiki, izvo zvinobatsira kwazvo kusundira workpiece nezvinodiwa zvakasimba zvekushanduka;

④inogona kuita zvinhu zvidiki zvekushongedza ne laser power, nekuti waya yekushongedza inowedzerwa mukuita kwekubatanidza, kushongedza kakawanda kunogona kuitwa, uye

Simbi yedziva re weld ichawedzerwa zvakanyanya, kuitira kuti weld joint ivhurwe kuderedza saizi chaiyo ye weldment.

Laser welding ukobvu, uye ipapo kuona multi-channel laser waya welding gobvu ndiro zvinhu.

Musiyano uripo pakati pekuwelda waya ne laser wire welding

Mhando yekushongedza waya yelaser inoratidzwa muMufananidzo 1, iyo yakasiyana neyakagadzirwa nelaser inoratidzwa muMufananidzo 2. Zvinhu zvakakosha zvenzira dzese dzekubatanidza ndeizvi:

Zvinoenderana, zvinoumbwa nelaser beam, welding wire, welding parts, protective gas zvichienderana nezvinodiwa chaizvo kuti vasarudze kana vachida kuwedzera, kana kuti vachishanda.

Uye michina mikuru ndeyemuchina wekudya waya, muchina wekuwachisa, waya yekuzadza wedding soft gun head, welding head, high power laser.

Mufananidzo 1: Kubatanidza waya neLaser

Mufananidzo 2: Kubata waya neLaser

Kunyangwe pasina musiyano mukuru muchimiro chekunze chenzira mbiri dzekubatanidza, pane musiyano mukuru muchimiro. Kana uchibatanidza waya nelaser,

Laser inowanzo shandisa laser ine simba guru, sezvakaratidzwa muMufananidzo 3, laser haingodi waya yekuwedera chete, asiwo inoda kunyungudutsa simbi yekutanga uye mukati

Mhedzisiro yakakosha yekuisa simbi mu laser inogadzirwa pachigadziko chesimbi, zvichiita dziva rekunyungudutsa rakadzika, uye kuumbwa kwewaya yekushongedza kunosanganiswa zvizere nekugadzirwa kwesimbi yechigadziko chesimbi.

Dziva idzva rakanyungudutswa rakasanganiswa rinogadzirwa, uye chimiro chechinhu, huwandu uye mhando yedziva rakanyungudutswa rakasanganiswa zvakakura kupfuura waya yekuwedera nezvinhu zvepasi.

Saka, waya yekuwedera yakakodzera inogona kuwedzerwa mukuita kwekuwedera zvichienderana nekushanda kwechinhu chepasi pachacho, kuitira kuvandudza kushanda kwewedera.

Pakutarisa, simba rekudzivirira kutsemuka, simba rekudzivirira kuneta, simba rekudzivirira ngura, simba rekudzivirira kupenga nezvimwe zvinhu zve weld zvinovandudzwa nemaune.

Pamusoro pezvo, laser wire welding inogona kuitwa multi-channel stacked welding, nekuti inogona kuita deep penetration welding ine small buri effect, izvo zvinogona kuitwa

Kubatanidzwa kwakazara kwezvikamu zviviri zvepasi zve weld bead kunodzivirira zvikanganiso zvakakomba zvekusabatanidzwa, kuitira kuti ikwanise kusanganisa majoini akakura.

Riniwaya yelaserbrazing, laser inowanzo shandisa laser ine simba guru re semiconductor, sezvakaratidzwa muMufananidzo 4

Pawaya yekuwedera, chidimbu chidiki chelaser ndicho chinoshanda paweld uye chinonyungudutsa simbi diki pamusoro peweld, uye dziva rekunyungudutsa rinoda kunyunguduka nekunyunguduka.

Waya yekuwedera inogadzirwa, saka mashandiro eweld anonyanya kuenderana nekuumbwa kwechinhu uye huwandu hwewaya yekuwedera uye waya yekuwedera yakanyungudutswa paweld.

Chinangwa chikuru che laser wire brazing ndechekuwana simba rekubatanidza re weld joint.

Uye kuvhara, uye laser wire brazing hazvigone kuve ne multi-channel stacked welding, mativi maviri epamusoro neapasi e weld haagone kuva akasimba.

Iye zvino zvanyatsobatanidzwa uye zvinobudirira, hunhu hwemajoini acho hwakaderera zvikuru.

Munda wekushandisa we laser wire welding

Nekuvandudzwa kwetekinoroji yekubatanidza waya yelaser uye kuwedzera kwemuganho wesimba relaser, huwandu hwemashandisirwo ewelding yekuzadza waya nelaser

Zvakawanda zvakanyanya, kunyanya muzvinhu zvinotevera:

Kukwesha waya yearuminiyamu ne laser

Kazhinji, nekuti aruminiyamu ine simba rekutarisa zvakanyanya kune laser uye ine simba rekupisa rakawanda, aruminiyamu ine simba rekuisa laser.

Kana simba relaser richidiwa rakakura, izvi zvinotungamira kuzvinhu zvine mwero wekufashaira zvishoma muaruminiyamu alloys (senge Mg, Zn, nezvimwewo) kupwa kukuru uye kurasikirwa nekupisa,

Panguva imwe chete, kusimba kwepasi kwesimbi yakanyungudutswa yedziva kunokanganisa hunhu hwekusimba kweweld, uye zvikonzero izvi zvichaita kuti pave nearuminiyamu alloys dze laser welding.

Matambudziko mazhinji - hunhu husina kunaka hwemajoini ekuwelda, kuumbwa kwewelda kusina kunaka, kupinza kwemvura uye kutsemuka kwakanyanya. Pane kudaro, laser inoshandiswa kuzadza waya.

Kushongedza aruminiyamu kuchagadzirisa matambudziko aya zvakanyanya:

①Kukwesha waya ne laser kunogona kuvandudza kudzika kwenzvimbo ye weld, uye zvinobudirira kuvandudza weldType, uye welding process splash idiki;

②Kuwedzerwa kwewaya yekuwedera hakungokanganisi chete kurongeka kwekristaro kwemakristaro ecylindrical muweld, asiwo kuderedza weldIyo crystalline interface inogadzirwa nekukura kwe core columnar crystal inovandudza kuumbwa kwe weld, uye inovandudzawo mwero wekunyudzwa kwezvinhu kusvika kune laser.

Nekuwedzera kwehupamhi hwekunyunguduka, kuomarara kudiki kunoderera zvishoma, uye simba rekusimba nekureba kwejoinhi zvichave zvakakosha pasi pematanho ekugadzirisa akagadziridzwa.

Kuvandudza; (3) Kuwedera nematanho akakodzera ekugadzirisa hakugone kuwana zvikanganiso zviri pachena zvemukati, kuomarara kweHV60 kana kupfuura, uye HAZ yemajoini

Hapana kupfava kuri pachena kwejoinhi yeweld munzvimbo iyi, uye kutyoka kuri munzvimbo yechinhu chepasi panguva yekuedzwa kwekusimba.

Kubatanidza simbi dzakasiyana netambo ne laser

Kune dzimwe nzvimbo dzebasa dzinonetsa kana zvichienderana nemitengo, zvinowanzodiwa kuti pave nezvinhu zvakawanda zvebasa panguva imwe chete.

Zvinhu zvakakosha, zvakaita sekudzivirira ngura, simba rayo guru, kudzivirira kupisa, kuramba kupfeka, kufambisa mvura zvakanyanya, kupisa kwakanaka, nezvimwewo, asi ruzhinji rwazvo

Zvinhu zvesimbi hazvigone kuva nezvinhu zvakakosha zvakasiyana panguva imwe chete, uye zvinhu zvesimbi zvine zvinhu zvakakosha zvinowanzo

Hadzina kusimba uye dzinodhura, hadzigone kushandiswa zvakanyanya, saka kana uchikwanisa kugadzira zvinhu zvakasiyana-siyana zvine hunhu hwakakosha kuti ubatanidzwe zvakanaka, saka

Inogona kusangana nezvinodiwa zvekushandisa. Musiyano uripo pakati pehunhu hwesimbi hwakasiyana uye hwemakemikari wakakura, izvo zvisingadzivisike mukuita kwekubatanidza.

Kuumbwa kwemakomputa epakati pesimbi, ane simba guru pakushanda kwemajoini esimbi, makomputa epakati pesimbi asina kusimba achaita kuti weld ive nyore kugadzira.

Zvakaoma zvikuru kushandisa laser imwe chete zvakananga kusanganisa majoini esimbi akasiyana, uye kugadzikana kwayo kwakaoma kudzora

Dambudziko rekubereka. Nyanzvi dzakawanda nenyanzvi dzakaona kuti welding yelaser wire yakanaka pakuwelding simbi dzakasiyana, uye sarudzo yacho yakakodzera.

Waya yekuzadza inogona kudzivirira kuumbwa kwemakomputa epakati pesimbi kusvika pamwero wakati, uye inogona kuvandudza zvikuru mashandiro emajoini akasungirirwa.

Kushanda:

①Mg/Cu lap joint yakasungirirwa ne laser wire filling welding inogona kugadzirwa zvakanaka pasi pematanho akakodzera ekuita.Simba guru rekuchekwa kwemajoini esimbi akasiyana ane simba rakati rinogona kusvika 164.2MPa, inova 64% yesimbi yemagnesium alloy base.

② Kubatanidzwa kweAl/Ti lap joint nebutt joint kuri kudzidzwa, uye mhedzisiro yacho inoratidza kuti maitiro ekubatanidza akasimba uye anoumbwa kana nzvimbo yechiedza che rectangular ikashandiswa.Yakanaka, ine mhando dzakasiyana dzema process parameters, ine weld yepamusoro, simba rayo guru rekudhonza rinosvika 94% yesimbi yealuminium alloy base;Kuvandudza kugadzirwa kwesimbi.Pamashandiro ane chinangwa chekutakura zvinhu, kana weld ikadonha, ukobvu hwayo hunoshanda huchadzikira, uye hunhu hwemuchina huchadzikira kana weld ikaruma.

Izvi zvichaita kuti pave nekushushikana kwakanyanya pamucheto we weld, uye hunhu hwemuchina huchaderedzwa. Kana weld ikadonha, kana weld ikadonha.

Kubata kana kuruma mupendero kunogona kukanganisa zvakanyanya maonero uye hazvigamuchirwi. Kuti weld izare, welding yelaser wire

Iyi inzira yakanaka kwazvo, nekuti waya yekuwedera inosanganiswa mudziva rakanyungudutswa, inogona kuwedzera huwandu hwedziva rakanyungudutswa, uye yobva yaona kuti weld yakazara.

Kukanganisika kwemucheto wekurumwa.

Yebasa rine nzvimbo yakakura yekubatana (kazhinji≥0.3mm), welding yelaser imwe chete inonetsa kuwana kubatana kunobudirira, uye inogona kuzadzwa chete

Zvimwe zvinhu zvinogona kuzadza mukaha we weld, saka laser wire welding inzira inoshanda zvikuru.

Kusonwa kwefillet ine mukaha mudiki

Kupinza waya yelaser ine gap shoma kunogona kuita kuti mapuratifomu epakati nepakati akobvu ashande zvakanaka nekushandisa malaser madiki nepakati, kwete nekuwedzera kupinza chete.

Waya yekuchinja maumbirwo uye chimiro chesimbi ye weld, kuvandudza mashandiro ese ejointi yakasungirirwa, asiwo kuvandudza slope ye single laser welding

Kugona kuchinjika uye kutsungirira kukanganisa kwemuromo, uye nzvimbo inokanganiswa nekupisa yeweld yakamanikana, uye kushushikana kwejoin yakasungirirwawo kudiki, izvo zvine basa rakanaka.

Saka, mumakore achangopfuura, nyanzvi dzakawanda nenyanzvi dzakaita tsvakurudzo yakakodzera pamusoro payo:

①Kushandisa waya yakamanikana yelaser wire filling multi-channelNzira yekuwedera yakasungirirwa simbi yeQ345D ine ukobvu hwe40mm, mhedzisiro inoratidza kuti maparamendi ekugadzirisa kwewelding akakodzera anogona kuwana chimiro chakanaka,

Jointi yakasungirirwa isina maburi, isina zvikanganiso zvakaita sekusabatana, kusimba kwepakati peweld kwakanaka, uye simba rekusunga reweld rakakwirira kupfuura rezvinhu zvepasi;

②Simbi yerotor ine ukobvu hwe50mm yakasungirirwa ne welding yelaser wire filling multi-pass, uye mhedzisiro yakaratidza kuti ma parameter ekugadzirisa welding akakodzera.

Inogona kuumbwa zvakanaka, isina zvikanganiso zvakaita sekusabatana kwemadziro eparutivi, kusimba kwejoini kunoderera, asi simba rayo rekudhonza rakakwira kupfuura raamai.

Huni;③Kucheka kwelaser wire filling welding ine ukobvu hwe20mm 5083 aluminum alloy kwakadzidzwa, uye mhedzisiro yacho inoratidza kuti maparamita akakodzera ekugadzirisa welding process anoshandiswa.

Joinhi yakasungirirwa ine maburi mashoma uye isina zvikanganiso zvakaita sekusabatana zvinogona kuwanikwa.

Nyaya dzekushandisa nemidziyo uye mazano ekugadzirisa maitiro

1. Nyaya dzekushandisa

Kuvandudza kugadzirwa kweweld

Zvinodiwa: Kubatanidza simbi isina ngura ye1mm ne3mm, musono wekusanganisa unodiwa kuti usave nemaburi, uye kuumba kwakanaka.

Midziyo: RFL-C4000 (dhayamita yepakati pefiber 200)μm), waya yekudyisa, musoro wekuunganidzira.

Tafura 5 Chimiro chegroove uye saizi inokurudzirwa

Mhedzisiro: Kuumbwa kwacho kwaive kwakanaka uye weld yakanga isina maburi, sezvakaratidzwa paMufananidzo 5.

Mufananidzo 5 Kuumbwa kweweld uye chimiro chemuchinjikwa

Kupinza waya yelaser ine mukaha mudiki

Zvinodiwa: 18mm ukobvu Q345 Marine steel plate yakasungirirwa, inoda maburi mashoma ekuwelda, hapana kusabatana, kudhonza majoini

Simba rayo rakakwirira kupfuura zvinhu zvepasi, uye kuumbwa kwesimbi kuri nani.

Midziyo: RFL-C6000 (dhayamita yepakati pefiber 400)μm), waya yekudyisa, musoro wekuunganidzira.

Magadzirirwo ekugadzirisa: nzira yekuwelda inofanira kunge yakachekwa, saizi yeyakachekwa inoratidzwa muMufananidzo 6, uye mamwe magadzirirwo ekugadzirisa kwewelding anoratidzwa muTafura 2.

Mufananidzo 6 Saizi yemugero

Mhedzisiro: Kuumbwa kwacho kwaive kwakanaka, pakanga pasina kusabatana, uye weld yakanga isina maburi, sezvakaratidzwa paMufananidzo 7, uye bvunzo yekudhonza yakaitwa.

Zvinoratidzwa kuti weld inopwanya zvinhu zvepachigadziko, zvichiratidza kuti simba rekusunga rejoinhi rakakwirira kupfuura rezvinhu zvepachigadziko.

Mufananidzo 7. Dhayagiramu yeMetallographic yechikamu cheweld

2. Zvishandiso uye mazano ekugadzirisa maitiro

Kuvandudza kuumbwa kweweld uye mhando

Pakushongedza waya nelaser kubva pamatako, kuti pave nekukwevera zvinhu zvakajairika, zvinokurudzirwa kuti dhayamita yelaser nefiber core ive yakaenzana.

Musoro we welding unofanirwa kugadzirwa kuti uve nechokwadi chekuti dhayamita yenzvimbo inotarisa iri pakati pe0.4mm ne0.6mm, uye waya ye welding inofanira kusarudzwa ine giredhi rakakodzera.

Zvimwe zviyero zvewelding zvinoratidzwa muTafura 2 neTafura 3.

Kupinza waya yelaser ine mukaha mudiki

Pakupinza waya yakamanikana yelaser wire filling multi-pass welding yeplate ine gobvu repakati, zvinokurudzirwa kuti dhayamita yenzvimbo yekutarisisa ive 0.6mm ~ 1.0mm, uye

Uye waya yekukwevera inofanira kusarudza giredhi rakakodzera, pamusoro pezvo, saizi yemugero wejoini inofanira kunge yakagadzirwa zvakanaka, saizi yemugero haigone kuve yakakura zvakanyanya,

Zvikasadaro, zviri nyore kukonzera kusabatana mukati me weld, uye saizi yemugero inokurudzirwa inoratidzwa muTafura 5; Huwandu hwemabhedhi hunofanirwa kuenderana nehukuru hwejoint.

Ukobvu hwakakura kuti uzive, weld yekutanga yepasi inokurudzirwa kushandisa kugona kukuru kwekushongedza kwemidziyo kuti uzive, mushure mekudzika kwega kwega kweimwe

Kazhinji 3mm ~ 5mm; Kana zviri zvematanho ekugadzirisa welding anoshandiswa kune bead rega rega, zvakakosha kuvimba nekudzika kwayo kwewelding uye kana

Upamhi hwenzira yekupinza weld yepamberi hunoonekwa. Kana upamhi hwenzira yekupinza weld hwakura, huwandu hwekudzima focus hunofanira kuwedzerwa zvine mwero kudzivirira madziro eparutivi kuti asakwanise kubatana.