1. Laser welding
Ukuwelda ngeLaser: Imitha yelaser ifudumeza umphezulu wokwenziwa, kwaye ubushushu bomphezulu bunwenwela ngaphakathi ngokuqhutywa kobushushu. Ngokulawula iiparamitha ze-laser ezifana nobubanzi be-laser pulse, amandla, amandla aphezulu kunye nokuphindaphinda okuphindaphindiweyo, i-workpiece iyanyibilika ukwenza ichibi elithile elityhidiweyo.
▲Ukuwelda kweendawo ezidityanisiweyo
▲I-laser welding eqhubekayo
Ukuwelda kweLaser kunokufezekiswa ngokusebenzisa imiqadi yelaser eqhubekayo okanye ipulsed. Imigaqo yokuwelda i-laser inokwahlulwa ibe yi-welding conduction yobushushu kunye ne-laser ye-welding enzulu yokungena. Xa ubuninzi bamandla bungaphantsi kwe-10 ~ 10 W / cm, yi-welding conduction yokushisa, apho ubunzulu bokungena bunzulu kwaye isantya se-welding sicotha; xa uxinano lwamandla lungaphezu kwe-10 ~ 10 W / cm, umphezulu wesinyithi ugobekile ube "ngumngxuma" ngenxa yobushushu, okwenza i-weld yokungena enzulu, eneempawu zesantya esikhawulezayo kunye nobubanzi obukhulu. umlinganiselo.
Izixhobo zokuwelda iXinfa zineempawu zomgangatho ophezulu kunye nexabiso eliphantsi. Ngeenkcukacha, nceda undwendwele:Abavelisi beWelding & Cutting-China Welding & Cutting Factory & Suppliers (xinfatools.com)
Itekhnoloji ye-laser welding isetyenziswa kakhulu kwiindawo zokwenziwa ezichanekileyo ezinje ngeemoto, iinqanawa, iinqwelomoya, kunye noololiwe ababaleka ngesantya esiphezulu. Izise uphuculo olubonakalayo kumgangatho wobomi babantu kwaye ikhokelele kushishino lwezixhobo zasekhaya kwixesha lokwenziwa ngokuchanekileyo.
Ingakumbi emva kokuba iVolkswagen idale itekhnoloji yokuwelda i-42 yeemitha ezingenamthungo, eyaphucula kakhulu ingqibelelo kunye nozinzo lomzimba wemoto, iHaier Group, inkampani ehamba phambili yesixhobo sombane ekhaya, yasungula ngokumangalisayo umatshini wokuhlamba wokuqala oveliswe ngeteknoloji yokuwelda ingenamthungo. Itekhnoloji yelaser ephucukileyo inokuzisa utshintsho olukhulu kubomi babantu. 2
2. Laser hybrid welding
I-laser hybrid welding yindibaniselwano ye-laser beam welding kunye netekhnoloji yokuwelda i-MIG ukufezekisa eyona mpembelelo intle yokuwelda, amandla okukhawuleza kunye ne-weld bridging, kwaye ngoku yeyona ndlela iphambili yokuwelda.
Iingenelo ze-laser hybrid welding zezi: isantya esikhawulezayo, i-deformation encinci ye-thermal, indawo encinci echaphazelekayo ukushisa, kunye nokuqinisekisa ubume besinyithi kunye neempawu zomatshini we-weld.
Ukongeza kwi-welding ye-welding ye-welding ye-plate ebhityileyo yeemoto, i-laser hybrid welding ikwafanelekile kwezinye izicelo ezininzi. Ngokomzekelo, le teknoloji isetyenziselwa ukuveliswa kweepompo zekhonkrithi kunye ne-mobile crane booms. Ezi nkqubo zifuna ukucutshungulwa kwentsimbi ephezulu. Itekhnoloji yemveli ihlala inyusa iindleko ngenxa yesidingo sezinye iinkqubo ezincedisayo (ezifana nokushisa kwangaphambili).
Ukongezelela, le teknoloji ingasetyenziselwa ukuveliswa kwezithuthi zikaloliwe kunye nezakhiwo zentsimbi eziqhelekileyo (ezifana neebhulorho, iitanki zamafutha, njl.).
3. I-friction ivuselela i-welding
I-Friction stir welding isebenzisa ubushushu bokungqubana kunye nobushushu obuguquguqukayo beplastiki njengemithombo yobushushu yokuwelda. Inkqubo ye-friction ye-welding ye-welding kukuba inaliti evuselelayo ye-cylinder okanye enye imilo (efana ne-threaded cylinder) ifakwe kwi-joint ye-workpiece, kwaye ukujikeleza okuphezulu kwentloko ye-welding kubangela ukuba ikhuhle ngokuchasene ne-welding workpiece. izinto eziphathekayo, ngaloo ndlela ukwandisa ubushushu bezinto kwindawo yokudibanisa kunye nokuthambisa.
Ngethuba lenkqubo ye-welding ye-friction, i-workpiece kufuneka igxininiswe ngokungqongqo kwi-backing pad, kwaye intloko ye-welding ijikeleza ngesantya esiphezulu ngelixa ihamba ngokumalunga nomsebenzi wokusebenza kunye ne-joint of workpiece.
Icandelo eliphumayo lentloko ye-welding lidlulela kwizinto ezixutywayo kunye nokuvuselela, kwaye igxalaba lentloko ye-welding livelisa ubushushu ngokungqubuzana nomphezulu we-workpiece, kwaye isetyenziselwa ukuthintela ukuphuphuma kwempahla yeplastiki, kwaye iyakwazi. dlala indima ekususeni ifilimu ye-oxide engaphezulu.
Ekupheleni kwe-friction ye-weld, i-key hole ishiywe kwi-terminal. Ngokuqhelekileyo lo mngxuma wesitshixo unokunqunyulwa okanye utywinwe ngezinye iindlela ze-welding.
I-Friction ivuselela i-welding inokuqonda ukuwelda phakathi kwezinto ezifanayo, njengesinyithi, i-ceramics, iplastiki, njl njl. ukusebenza kakuhle.
4. Ukuwelda umqa we-electron
I-Electron beam welding yindlela ye-welding esebenzisa amandla obushushu aveliswa yi-electron ekhawulezayo kwaye igxininise umqadi we-electron ibhobhoza i-weldment efakwe kwi-vacuum okanye engekho i-vacuum.
I-Electron beam welding isetyenziswa ngokubanzi kumashishini amaninzi anje nge-aerospace, amandla e-athom, ukhuselo lwelizwe kunye noshishino lomkhosi, iimoto, kunye nezixhobo zombane kunye nombane ngenxa yeenzuzo zayo zokungabi nasidingo sentonga zokuwelda, akukho lula ukuxutywa kwe-oxidize, inkqubo elungileyo yokuphindaphinda, kwaye ukuguqulwa kwe-thermal encinci.
Umgaqo wokusebenza we-electron beam welding
Ii-electron ziphuma kwi-emitter (cathode) kumpu we-electron. Ngaphantsi kwesenzo sombane okhawulezayo, ii-electron zikhawuleza ukuya kwi-0.3 ukuya kwi-0.7 isantya sokukhanya, kwaye zibe namandla athile e-kinetic. Emva koko, ngesenzo selensi ye-electrostatic kunye nelensi ye-electromagnetic kumpu we-electron, ziyadityaniswa zibe yi-electron beam enezinga eliphezulu loxinzelelo lwempumelelo.
Lo mqa we-electron ubetha umphezulu we-workpiece, kwaye amandla e-electron kinetic aguqulwa abe ngamandla obushushu, abangela ukuba isinyithi sinyibilike kwaye siphume ngokukhawuleza. Ngaphantsi kwesenzo somphunga wensimbi ophezulu, umngxuma omncinci ngokukhawuleza "uqhutywe" phezu kwendawo yokusebenza, eyaziwa ngokuba yi "keyhole". Njengoko umqa we-electron kunye ne-workpiece ihamba ngokuzalana nomnye, ulwelo lwesinyithi luhamba lujikeleze umngxuma omncinci ukuya ngasemva kwedama elityhidiweyo, kwaye liphole kwaye liqina ukwenza i-weld.
▲ Umatshini we-welding we-electron
Iimpawu eziphambili ze-electron beam welding
Umqa we-electron unamandla okungena anamandla, uxinano lwamandla aphezulu kakhulu, ubukhulu be-weld-to-width ratio, ukuya kuthi ga kwi-50: 1, inokuqonda ukubunjwa kwezinto ezishinyeneyo ngexesha elinye, kwaye ubukhulu be-welding bufikelela kwi-300mm.
Ukufikeleleka kakuhle kwe-welding, isantya se-welding esikhawulezayo, ngokubanzi ngaphezu kwe-1m / min, indawo encinci echaphazelekayo yokushisa, i-deformation encinci ye-welding, kunye nokuchaneka kwesakhiwo se-welding ephezulu.
Amandla ombane we-Electron anokulungiswa, ubukhulu bentsimbi edityanisiweyo bunokuba bubude obungange-0.05mm ukuya kuthi ga bubunzima obungange-300mm, ngaphandle kwe-beveling, ukwenza i-welding yexesha elinye, engenakufikelelwa ngezinye iindlela ze-welding.
Uluhlu lwezixhobo ezinokuthi zidityaniswe ngumqa we-electron zinkulu, zilungele ngokukodwa ukuwelda isinyithi esisebenzayo, isinyithi esiphikisayo kunye nezinto zokusebenza ezineemfuno eziphezulu.
5. Ultrasonic metal welding
I-Ultrasonic metal welding yindlela ekhethekileyo yokudibanisa iintsimbi ezifanayo okanye ezingafaniyo usebenzisa amandla okunyakaza omatshini we-ultrasonic frequency.
Xa isinyithi sidityaniswe nge-ultrasonically, akukho mthombo wokushisa wangoku okanye ophezulu wokushisa usetyenziswa kwi-workpiece. Iguqula kuphela amandla okungcangcazela kwesakhelo kumsebenzi wokukhuhlana, amandla okuguqula kunye nokunyuka kobushushu obulinganiselweyo kwindawo yokusebenza phantsi koxinzelelo oluzinzileyo. I-metallurgical bonding phakathi kwamalungu yi-welding-state welding ephunyeziweyo ngaphandle kokunyibilika kwezinto zomzali.
Iphumelela ngokufanelekileyo i-spatter kunye ne-oxidation phenomena eveliswa ngexesha lokumelana ne-welding. I-ultrasonic metal welder inokwenza i-single-point welding, i-multi-point welding kunye ne-short-strip welding kwiingcingo ezincinci okanye amacwecwe amancinci eentsimbi ezingenayo i-ferrous ezifana nobhedu, isilivere, i-aluminium kunye ne-nickel. Ingasetyenziswa ngokubanzi kwi-welding ye-thyristor lead, i-fuse sheets, iintambo zombane, iziqwenga ze-lithium zebhetri kunye neendlebe zepali.
I-Ultrasonic metal welding isebenzisa amaza e-vibration aphezulu-frequency ukuhambisa kumphezulu wesinyithi ukuze idityaniswe. Phantsi koxinzelelo, imiphezulu yentsimbi emibini ikhuhlana enye kwenye ukuze yenze ukudibanisa phakathi kweeleya zemolekyuli.
Iinzuzo ze-ultrasonic metal welding zikhawuleza, zigcina amandla, amandla aphezulu e-fusion, i-conductivity enhle, akukho zintlantsi, kwaye isondele ekuqhubeni okubandayo; izinto ezingeloncedo kukuba iindawo zetsimbi ezidibeneyo azikwazi ukuba zikhulu kakhulu (ngokuqhelekileyo zingaphantsi okanye zilingana no-5mm), indawo ye-welding ayikwazi ukuba nkulu kakhulu, kwaye uxinzelelo luyafuneka.
6. I-flash butt welding
Umgaqo we-flash butt welding kukusebenzisa umatshini we-butt welding ukwenza isinyithi kuzo zombini iziphelo zoqhagamshelwano, kudlule i-low-voltage yangoku eyomeleleyo, kwaye emva kokuba isinyithi sifudunyezwe kubushushu obuthile kwaye sithambe, ukubunjwa koxinzelelo lwe-axial kwenziwa ukwenza impundu welding joint.
Phambi kokuba i-welds ezimbini ziqhagamshelane, zibotshelelwa zii-electrode ezibambekayo ezimbini kwaye ziqhagamshelwe kunikezelo lwamandla. I-clamp eshukumayo iyasuswa, kwaye isiphelo sobuso bee welds ezimbini zidibana kancinci kwaye zinikwe amandla ukufudumeza. Indawo yokudibanisa yenza isinyithi solwelo ngenxa yokufudumeza kunye nokuqhushumba, kwaye iintlantsi zitshizwa ukuze zenze ukukhanya. I-clamp eshukumayo ishukunyiswa ngokuqhubekayo, kwaye ukukhanya kuyenzeka ngokuqhubekayo. Iziphelo ezimbini ze-weld zishushu. Emva kokufikelela kwiqondo lokushisa elithile, isiphelo sobuso bezinto ezimbini zokusebenza zicinezelwe, ukunikezelwa kwamandla okutshisa kunqunyulwa, kwaye zidibaniswe ngokuqinileyo kunye.
Indawo yokudibanisa ikhanyisa ngokufudumeza i-weld joint kunye nokuchasana, ukunyibilikisa isiphelo sobuso besinyithi se-weld, kwaye amandla aphezulu asetyenziswe ngokukhawuleza ukugqiba i-welding.
I-Rebar flash butt welding yindlela yoxinzelelo lwe-welding ebeka ii-rebar ezimbini kwifom edibeneyo ye-butt, isebenzisa ubushushu bokumelana obuveliswa yi-welding yangoku edlula kwindawo yoqhagamshelwano ye-rebar ezimbini ukunyibilikisa isinyithi kwindawo yoqhagamshelwano, ivelisa isitshizi esinamandla. , iifom ezikhanyayo, zihamba kunye nevumba elimnandi, zikhupha iimolekyuli zokulandelela, kwaye zifake ngokukhawuleza amandla aphezulu okubumba ukugqiba inkqubo.
Ixesha lokuposa: Aug-21-2024
