1. Laser tjheseletsa
Laser welding: Lehlaseli la laser le futhumatsa bokaholimo hore bo lokisoe, 'me mocheso o holim'a metsi o fetela ka hare ka ho tsamaisa mocheso. Ka ho laola li-parameter tsa laser tse kang bophara ba laser pulse, matla, matla a tlhōrō le maqhubu a ho pheta-pheta, workpiece e qhibiliha ho etsa letamo le khethehileng le qhibilihisitsoeng.
▲ Spot welding ea likarolo tse cheselitsoeng
▲Welding ea laser e tsoelang pele
Ho cheselletsa laser ho ka finyelloa ka ho sebelisa maballo a laser a tsoelang pele kapa a pulsed. Melao-motheo ea ho tjheseletsa ka laser e ka aroloa ka tjheseletsa ea conduction ea mocheso le welding e tebileng ea laser. Ha matla a matla a le ka tlase ho 10 ~ 10 W / cm, ke mocheso o tsamaisang mocheso, oo botebo ba ho kenella ka oona bo sa tebang le lebelo la ho cheselletsa butle; ha matla a matla a maholo ho feta 10 ~ 10 W / cm, bokaholimo ba tšepe bo koaheloa ka "sekoti" ka lebaka la mocheso, ho etsa mocheso o tebileng oa ho kenella, o nang le litšoaneleho tsa lebelo le potlakileng la tjheseletsa le botebo bo boholo ho isa ho bophara. karolelano.
Thepa ea welding ea Xinfa e na le litšobotsi tsa boleng bo holimo le theko e tlase. Ho fumana lintlha, ka kopo etela:Baetsi ba Welding & Cutting Manufacturers - China Welding & Cutting Factory & Suppliers (xinfatools.com)
Theknoloji ea li-laser welding e sebelisoa haholo libakeng tsa tlhahiso e nepahetseng haholo joalo ka likoloi, likepe, lifofane le literene tse lebelo le holimo. E tlisitse lintlafatso tse kholo ho boleng ba bophelo ba batho mme e tsamaisitse indasteri ea lisebelisoa tsa lapeng nakong ea tlhahiso e nepahetseng.
Haholo-holo ka mor'a hore Volkswagen e thehe thekenoloji ea ho tjheseletsa e sa tsitsang ea limithara tse 42, e ntlafalitseng haholo botšepehi le botsitso ba 'mele oa koloi, Haier Group, k'hamphani e ka sehloohong ea lisebelisoa tsa lapeng, e ile ea qala ka mokhoa o tsotehang mochine oa ho hlatsoa oa pele o hlahisoang ka theknoloji ea ho tjheseletsa e se nang moeli. Theknoloji ea laser e tsoetseng pele e ka tlisa liphetoho tse kholo bophelong ba batho. 2
2. Laser lebasetere tjheseletsa
Laser hybrid welding ke motsoako oa laser beam welding le thekenoloji ea welding ea MIG ho fihlela phello e ntle ka ho fetisisa ea ho tjheseletsa, bokhoni ba ho etsa borokho bo potlakileng, 'me hajoale ke mokhoa o tsoetseng pele ka ho fetisisa oa ho cheselletsa.
Melemo ea laser hybrid welding ke: lebelo le potlakileng, deformation e nyane ea mocheso, sebaka se senyenyane se anngoeng ke mocheso, le ho netefatsa sebopeho sa tšepe le thepa ea mochini oa weld.
Ntle le ho chesetsoa ha likarolo tsa makoloi tse tšesaane, laser hybrid welding e boetse e loketse lits'ebetso tse ling tse ngata. Ka mohlala, theknoloji ena e sebelisoa ho hlahisa lipompo tsa konkreite le li-mobile crane booms. Mekhoa ena e hloka ts'ebetso ea tšepe e matla haholo. Hangata theknoloji ea setso e eketsa litšenyehelo ka lebaka la tlhokahalo ea mekhoa e meng e thusang (e kang ho futhumatsa pele).
Ho phaella moo, theknoloji ena e ka boela ea sebelisoa ho etsa likoloi tsa terene le mehaho e tloaelehileng ea tšepe (e kang marokho, litanka tsa mafura, joalo-joalo).
3. Friction hlohlelletsa welding
Friction stir welding e sebelisa mocheso oa likhohlano le mocheso oa deformation oa polasetiki e le mehloli ea mocheso oa welding. Ts'ebetso ea ho tjheseletsa ha likhohlano ke hore nale e susumetsang ea silinda kapa sebopeho se seng (joalo ka silinda e khoele) e kenngoa ka har'a lenonyeletso la sesebelisoa, 'me ho potoloha ka lebelo le phahameng ha hlooho ea tjheseletsa ho etsa hore e hohla khahlanong le sesebedisoa. lintho tse bonahalang, ka tsela eo ho eketsa mocheso oa thepa karolong ea ho hokahanya le ho e nolofatsa.
Nakong ea ts'ebetso ea tšubuhlellano ea tšubuhlellano, mochini o sebetsang o tlameha ho ts'oaroa ka thata holim'a letlapa le tšehetsang, 'me hlooho ea welding e potoloha ka lebelo le phahameng ha e ntse e tsamaea e amanang le sesebedisoa haufi le lenonyeletso la workpiece.
Karolo e hlahelletseng ea hlooho ea tjheseletsa e fetela ka har'a thepa bakeng sa likhohlano le ho sisinyeha, 'me lehetla la hlooho ea tjheseletsa le hlahisa mocheso ka ho ferekana le holim'a sesebediswa sa mosebetsi,' me e sebelisetsoa ho thibela ho phalla ha thepa ea naha ea polasetiki, 'me e ka boela ea sebelisoa. bapala karolo ea ho tlosa filimi ea oxide e holim'a metsi.
Qetellong ea friction stir weld, lesoba la linotlolo le sala boemelong. Hangata lesoba lena la senotlolo le ka khaoloa kapa la tiisoa ka mekhoa e meng ea tjheseletsa.
Friction stir welding e ka lemoha welding pakeng tsa lisebelisoa tse sa tšoaneng, tse kang tšepe, ceramics, polasetiki, joalo-joalo. Friction stir welding e na le boleng bo phahameng ba ho cheselletsa, ha ho bonolo ho hlahisa liphoso, 'me ho bonolo ho finyella mochine, ho iketsetsa, boleng bo tsitsitseng, theko e tlaase le bokgabane bo phahameng.
4. Ho tjheseletsa beam ea elektrone
Electron beam welding ke mokhoa oa ho tjheseletsa o sebelisang matla a mocheso a hlahisoang ke lebone la elektrone le potlakisang le le tsepamisitsoeng, le tjheselletsang tjheseletsa e behilweng ka vacuum kapa e seng vacuum.
Electron beam welding e sebelisoa haholo liindastering tse ngata tse kang sefofane, matla a athomo, ts'ireletso ea naha le indasteri ea sesole, likoloi, le lisebelisoa tsa motlakase le tsa motlakase ka lebaka la melemo ea eona ea ho hloka lithupa tsa welding, ha ho bonolo ho oxidize, mokhoa o motle oa ho pheta-pheta, le deformation e nyane ea mocheso.
Molao-motheo o sebetsang oa ho tjheseletsa beam ea elektronike
Lielektrone li baleha ho emitter (cathode) ka sethunya sa elektrone. Tlas'a ketso ea motlakase o potlakisang, lielektrone li potlakisetsoa ho 0.3 ho isa ho 0.7 ka lebelo la khanya, 'me li na le matla a itseng a kinetic. Joale, ka ts'ebetso ea lense ea electrostatic le lense ea motlakase ka sethunya sa elektrone, li kopanngoa ho ba lebone la elektrone le nang le sekhahla se phahameng sa katleho.
Lehlaseli lena la elektronike le otla holim'a sebaka sa mosebetsi, 'me matla a kinetic a elektronike a fetoha matla a mocheso, a etsa hore tšepe e qhibilihe ebe e fetoha mouoane ka potlako. Tlas'a ketso ea mouoane oa tšepe o nang le khatello e phahameng, sekoti se senyenyane se "phunngoa" ka potlako holim'a mosebetsi oa mosebetsi, o tsejoang hape e le "keyhole". Ha lebone la elektrone le workpiece li tsamaea li amana le tse ling, tšepe ea mokelikeli e phalla ho pota lesoba le lenyenyane ho ea ka morao ho letamo le entsoeng ka ho qhibilihisoa, 'me ea pholile le ho tiisa ho etsa weld.
▲ Mochini oa ho tjheseletsa beam oa elektrone
Likarolo tse ka sehloohong tsa ho tjheseletsa beam ea elektronike
Beam ea elektrone e na le bokhoni bo matla ba ho kenella, matla a matla a phahameng haholo, karo-karolelano e kholo ea weld-to-width, ho fihla ho 50: 1, e ka lemoha ho etsoa ha lisebelisoa tse teteaneng ka nako e le 'ngoe,' me botenya ba welding bo fihla ho 300mm.
Ho fihlella hantle ho tjheseletsa, lebelo la ho tjheseletsa ka potlako, ka kakaretso ka hodimo ho 1m/min, sebaka se senyane se anngoeng ke mocheso, tjheseletsa e nyane, le sebopeho se phahameng sa welding.
Matla a mabone a elektrone a ka fetoloa, botenya ba tšepe e cheselitsoeng bo ka tloha ho ba tšesaane joalo ka 0.05mm ho isa botenya joalo ka 300mm, ntle le ho etsa tjheseletsa ka nako e le 'ngoe, e ke keng ea finyelloa ka mekhoa e meng ea tjheseletsa.
The mefuta e fapaneng ya thepa e ka tjheseletsa ke elektrone beam ke batlang e le khōlō, haholo-holo a loketse bakeng sa tjheseletsa ea litšepe mafolofolo, tšepe refractory le workpieces le ditlhoko tsa boleng bo phahameng.
5. Ultrasonic tšepe tjheseletsa
Ultrasonic metal welding ke mokhoa o ikhethileng oa ho hokahanya litšepe tse tšoanang kapa tse sa ts'oaneng ho sebelisa matla a vibration a ultrasonic frequency.
Ha tšepe e entsoe ka ultrasonically, ha ho na mohloli oa mocheso oa hona joale kapa oa mocheso o phahameng o sebelisoang ho workpiece. E fetola feela matla a ho sisinyeha a foreime hore e be mosebetsi oa likhohlano, matla a deformation le ho phahama ho fokolang ha mocheso sebakeng sa mosebetsi tlas'a khatello e tsitsitseng. The metallurgical tlamahano pakeng tsa manonyeletso ke tjheseletsa tiileng-state finyelloa ntle ho qhibiliha thepa motsoali.
E hlōla ka katleho liketsahalo tsa spatter le oxidation tse hlahisoang nakong ea ho hanyetsa welding. The ultrasonic metal welder e ka etsa welding e nang le ntlha e le 'ngoe, welding ea lintlha tse ngata le ho tjheseletsa ka nako e khutšoanyane ka lithapo tse tšesaane kapa lishiti tse tšesaane tsa tšepe tse se nang ferrous tse kang koporo, silevera, aluminium le nickel. E ka sebelisoa haholo ho tjheseletsa ha thyristor lead, lishiti tsa fuse, lead lead, likotoana tsa pole ea betri ea lithium le litsebe tsa pole.
Ultrasonic metal welding e sebelisa maqhubu a sisinyehang a maqhubu a phahameng haholo ho fetisetsa bokaholimo ba tšepe hore bo chesetsoe. Ka tlas'a khatello, likarolo tse peli tsa tšepe li hohla ho tse ling ho etsa motsoako pakeng tsa lihlopha tsa limolek'hule.
Melemo ea ultrasonic metal welding e potlakile, e boloka matla, matla a fusion e phahameng, conductivity e ntle, ha ho na litlhase, 'me e haufi le ho sebetsa ha serame; mefokolo ke hore likarolo tsa tšepe tse cheselitsoeng li ke ke tsa e-ba tse teteaneng haholo (ka kakaretso li ka tlaase ho kapa li lekana le 5mm), ntlha ea welding e ke ke ea e-ba khōlō haholo, 'me khatello ea hlokahala.
6. Flash butt welding
Molao-motheo oa flash butt tjheseletsa ke ho sebelisa butt tjheseletsa mochini ho etsa tšepe ka bobeli lipheletsong kopana, fetisa tlaase-voltage matla a hona joale, 'me ka mor'a hore tšepe e halefile ho mocheso o itseng' me nolofatsa, axial khatello ea forging e etsoa ho theha. lenonyeletso la ho tjheseletsa sebono.
Pele li-welds tse peli li kopana, li tlanngoe ka li-electrode tse peli tsa clamp mme li hokahane le phepelo ea motlakase. Sekoti se suthehang sea sisinyeha, 'me lifahleho tsa li-welld tse peli li hokahane hanyenyane 'me li kentsoe matla bakeng sa ho futhumatsa. Sebaka sa ho kopana se etsa tšepe e metsi ka lebaka la ho futhumatsa le ho phatloha, 'me litlhase li fafatsoa ho etsa mahlaseli. Letlapa le sisinyehang le sisinyeha khafetsa, 'me likhase li etsahala khafetsa. Lipheletso tse peli tsa weld li futhumetse. Ka mor'a ho fihla mocheso o itseng, lifahleho tsa ho qetela tsa li-workpieces tse peli lia hatelloa, phepelo ea motlakase ea welding e khaoloa, 'me e kopantsoe ka thata.
Sebaka sa ho kopana se khantša ka ho futhumatsa motsoako oa weld ka ho hanyetsa, ho qhibiliha tšepe ea sefahleho sa ho qetela ea weld, 'me matla a holimo a sebelisoa ka potlako ho phethahatsa welding.
Rebar flash butt welding ke mokhoa oa tjheseletsa oa khatello o behang li-rebar tse peli ka mokhoa o kopantsoeng le butt, o sebelisa mocheso oa ho hanyetsa o hlahisoang ke hona joale oa welding o fetang sebakeng sa ho kopana sa li-rebar tse peli ho qhibilihisa tšepe sebakeng sa ho kopana, o hlahisa spatter e matla. , e etsa likhahla, e tsamaisana le monko o hlabang, e ntša limolek'hule tsa trace, 'me ka potlako e sebelisa matla a holimo a ho qhekella ho phetha tshebetso.
Nako ea poso: Aug-21-2024
