Mokhoa oa ho khetha liroboto tsa welding tsa Laser
Robotic Laser Welding ke Eng le Molao-motheo oa eona oa ho Sebetsa?
Ho tjheseletsa laser ka robotoe kopanya mohloli oa mabone a laser a tsepamisitsoeng le liroboto tse hlophisehang tsa indasteri kapa liroboto tse sebelisanang. E nka sebaka sa ts'ebetso ea letsoho ka letsoho ka metsamao e tsitsitseng le e laolehang ea mochini ho fihlela boemo bo phahameng ba ho pheta-pheta lits'ebetsong tsa welding.
Lebone le phahameng-le matla{1}}la laser e matla haholo e tsepamisitsoe ho kopantseng lisebelisoa, 'me hang-hang e qhibilihisa tšepe sebakeng ho etsa letamo le lenyenyane le qhibilihisitsoeng. E khannoa ke roboto, hlooho ea laser e tsamaea ka lebelo le sa khaotseng. Tšepe e entsoeng ka ho qhibilihisoa e ntse e ata ka ho tsoelang pele ebe e fola ka potlako le ho tiea, e etsa chese e nang le maqhama a teteaneng a metallurgical.
Likarolo tsa mantlha: Laser e fana ka matla a kopaneng haholo ka mocheso o tlase haholo le Mocheso o moqotetsane-Affected Zone (HAZ), e fellang ka ho senyeha ho fokolang ha litšepe tsa mosebetsi. E loketse ho tjheseletsa lipoleiti tse tšesaane, likarolo tse nepahetseng le litšepe tse sa tšoaneng.
Bukana ya Mantswe a Setsebi
| Nako ea Litsebi | Tlhaloso |
|---|---|
| Mocheso-Sebaka se Amehileng (HAZ) | Sebaka se haufi le seam se cheselletsang se futhumetseng empa se sa qhibilihe. Mocheso o monyane{1}sebaka o amehileng o lebisa ho fokotseng ha tjheseletsa sebakeng sa mosebetsi. |
| Letamo la Molten | Sebaka sa tšepe sa mokelikeli sa lehae se entsoeng ka mor'a hore laser e qhibilihe lenonyeletso la welding. |
| Kenyeletso ea Mocheso | Matla a monngoang ka bolelele ba yuniti ea seam ea weld. Monyetla oa mantlha oa welding ea laser ke matla a kopaneng le mocheso o tlase ka kakaretso. |
Melemo ea Konokono ea Robotic Laser Welding
Ho nepahala ha Boemo ba Boemo bo Haholo ba{{0}e phahameng ba ho Pheta-pheta
Ho pheta-pheta ho nepahala ha boemo ba roboto ea indasteri ea 6-axis ho fihla ho 0.02 ~ 0.05 mm. Bakeng sa tlhahiso e boima ea li-workpieces tse likete, boemo ba weld, botebo ba ho kenella le ho thehoa ha weld ho lula ho tsitsitse ka ho feletseng, ho felisa liphoso tsa ts'ebetso ea matsoho le ho fokotsa haholo litefiso tsa rework.
Deformation e tlase le Boleng bo Phahameng ka ho Fetisisa
Ka ho kenya mocheso o fokolang, lipoleiti tse tšesaane ha li bontše warpage e totobetseng ka mor'a ho tjheseletsa. Li-welds li moqotetsane ebile li boreleli, li lumella mokhoa oa ho sila hore o tloheloe kapa o be bonolo haholo, e leng se fokotsang sekhahla sa tokiso.
Katleho e Ntlafetseng Haholo ea Ts'ebetso
Bakeng sa li-welds tsa bolelele bo lekanang, lebelo la ho tjheseletsa la laser robotic welding system ke makhetlo a 3 ho isa ho a 8 ho feta a TIG le makhetlo a 2 ho isa ho a 5 ho feta a MIG. Katleho e ntle haholo ea li-welds tse telele tse otlolohileng le likarolo tse tloaelehileng tse entsoeng ka boima-. Ntlafatso e lekanyelitsoe bakeng sa li-welld tse khutšoane, tse rarahaneng le tse ikhethang{7}, kahoo keketseho ea ts'ebetso e menahaneng haleshome ha ea lokela ho lebelloa ka bofofu.
Mosebetsi-ho boloka Automated Production
Mosebetsi oa bosiu o sa lebelloang{0}} oa fumaneha hang ha ts'ebetso e phethetsoe. Lisebelisoa tsa batho li tlosoa ho tloha ho tjheseletsa ka letsoho ho ea ho lenaneo, ho laela lisebelisoa le tlhahlobo ea lisebelisoa, ho bebofatsa bothata ba ho hira litsebi tsa li-welders.
Ntlafatso ea Tšireletseho ea Ts'ebetso
Liopereishene li eme ka ntle ho sebaka sa tšireletso sa laser, ho qoba likotsi tse tobileng tse bakoang ke ho cha ho matla, -mocheso o mongata oa mocheso, mosi oa litšepe le ho pepesehela mouoane oa zinki.
E lumellana le Welding of Special Materials
E tšehetsa lap welding ea carbon steel, stainless sheet, galvanized sheet, aluminium alloy, koporo, alloy ea titanium le litšepe tse sa tšoaneng. Sebopeho se tsitsitseng sa weld se ka finyelloa bakeng sa lisebelisoa tse khanyang haholo ha li kopantsoe le lijenereithara tsa laser tse phahameng{{1}.
Mokhoa oa ho khetha Robot ea Welding ea Laser
Mathata a Sequential ho Khetho ea Lisebelisoa: Matla a Laser → Mofuta oa 'mele oa Robot → Lisebelisoa tse Thusang. Khetho ea khetho ea ntho e latelang e tla fokotsoa feela ka mor'a hore parameter e fetileng e tiisetsoe.
Mohato oa 1: Fumana Matla a Laser ho Thehiloe ho Sesebelisoa sa Workpiece le Botenya ba Plate
Mefuta e 'meli ea li-fiber lasers e teng: e tsoelang pele-li-wave fiber lasers (tse loketseng bakeng sa ho cheselletsa ho kenella ka botebo le lipoleiti tse teteaneng) le li-pulsed fiber lasers (bakeng sa likarolo tse nepahetseng haholo-). Tafole e ka tlase e sebetsa e le litšupiso bakeng sa khetho e tsoelang pele-ea wave fiber laser. Ho kenella ha tjheseletsa ho angoa ke palo ea defocus, lebelo la welding, mokhoa oa ho fepa ka terata, mofuta oa khase e sireletsang le lekhalo la kopano. Netefatso ea teko ea ts'ebetso ke tlamo pele ho tlhahiso ea bongata e hlophisitsoeng.
Khetho ea Reference Tafole bakeng sa Li-Laser tse Tsoelang Pele tsa{{0}Wave Fiber
| Lintho tse bonahalang | 1–1.5kW E Tsoelang Pele-Wave Fiber Laser | 2–3kW E Tsoelang Pele{{2}Wave Fiber Laser | 6kW le Kaholimo e Tsoelang{{1}Wave Fiber Laser | Litlhaloso tse Khethehileng |
|---|---|---|---|---|
| Tšepe ea Carbon | Autogenous welding bakeng sa lipoleiti tšesaane Ka tlase ho kapa ho lekana le 2 mm | Filler terata tjheseletsa bakeng sa lipoleiti 2-5 limilimithara | Likarolo tse ngata{{0}tse kenang ka botebo li tjheseletsa lipoleiti tsa 5–10 mm | Mefuta ea 2kW le 3kW ke likhetho tsa mantlha bakeng sa likarolo tse akaretsang tsa meralo |
| Ts'epe e sa beng le mabali | Likarolo tsa ho tiisa ka nepo Ka tlase kapa ho lekana le 2 mm | Likhabote tsa tšepe tsa Sheet tse nang le botenya ba 2-4 mm | Likarolo tse teteaneng tsa meralo ea 4-8 mm | Argon shielding e ratoa ho qoba oxidation le 'mala o mosehla |
| Tšepe ea Galvanized | Lipoleiti tse tšesaane Ka tlase ho kapa ho lekana le 1.2 mm; ho tlosoa lesela la zinki ho hlokahala esale pele | Likhabinete tsa 2-4 mm; oscillating welding ke ntho e tlamang | Likarolo tsa sebopeho tse teteaneng tsa masenke | Zinc vaporization e baka habonolo porosity e teteaneng; ho tjheseletsa autogenous ho thibetswe |
| Aluminium Alloy | E sebetsa feela ho-lisebelisoa tse tšesaane haholo ka har'a 0.8 mm | Filler terata tjheseletsa bakeng sa lipoleiti tšesaane tsa 1-3 limilimithara | Lipoleiti tsa aluminium-tse botenya bo mahareng tsa 3–6 mm | High laser reflectivity; amohela ts'ebetso e mpe ea defocus le ho eketsa sekhahla sa phallo ea khase e sireletsang |
| Koporo / Koporo le Lisebelisoa Tse Ling Tse Bonahalang Haholo | Ho thata ho theha li-welds tse sebetsang hantle; ha e khothalletsoe | Welding plate e tšesaane e nang le taolo e thata ea ts'ebetso le terata ea ho tlatsa | Ho hlokahala laser e phahameng{{0}ea matla a fetang 6kW hammoho le pulsed waveform | Hoa hlokahala ho belisoa ka holim'a sefahleho le tšireletso e hloekileng ea argon |
Likhopolo tse peli tse Tloaelehileng ho Khetho ea Matla a Laser
Theko e foufetseng ea mefuta e mengata ea -ea phahameng-ea motlakase: E tla lebisa litšenyehelong tse phahameng tsa theko ea thepa, ho pholisa metsi le tšireletso ea tšireletso. Lipoleiti tse tšesaane li cheseha haholo-. Ke karolo ea 10% -20% feela ea matla e lokelang ho bolokoa; hodimo-mefuta ya matla a hodimo{8}ha e hlokahale.
Ho hlokomoloha litlhoko tsa matla bakeng sa lisebelisoa tse bonahatsang haholo: Aluminium le koporo li bonahatsa boholo ba matla a laser. Bakeng sa botenya bo tšoanang ba poleiti, matla a laser a hlokahalang a feta habeli a tšepe ea carbon. Ho khetha litekanyo tsa matla tse thehiloeng holim'a tšepe ea carbon ho tla fella ka fusion e sa fellang le li-welds tse batang.
Mohato oa 2: Khetho ea 'mele oa Robot (Papiso ea Mefuta e Meli ea Liroboto, Handheld Laser Welding Ha e Kenyelelitsoe)
Khetho ena e sebetsa feela ho lisebelisoa tsa 6-axis bakeng sa li-workstations tse ikemetseng, tse khethiloeng ho latela tlhahiso ea tlhahiso, khafetsa ea phetoho ea sehlahisoa, sebaka sa feme le tekanyetso:
1. Letsoho le tsitsitseng la 6-axis Industrial RoboticMaemo a ts'ebeliso: Tlhahiso e ngata ea sehlahisoa se le seng,{0}mehala e phahameng ea tlhahiso, le li-plate workpieces tse boima-. Melemo: Moputso o phahameng, sebaka se pharaletseng sa boikhethelo, lebelo le tsamaeang ka potlako, le botsitso bo botle bakeng sa ts'ebetso ea nako e telele-e tsoelang pele. Mathata: Mosebetsi o moholo oa sebaka sa fatše, matsete a phahameng bakeng sa k'habin e kentsoeng ea tšireletso ea laser, le nako e telele ea ho laela bakeng sa phetoho ea lihlahisoa.
2. Roboto e Tšebelisano (Cobot)Maemo a ts'ebeliso: Tlhahiso e mahareng le e nyane-e nyane, ho fetoha ha lihlahisoa khafetsa bakeng sa mefuta e mengata ea lihlahisoa, sebaka se lekanyelitsoeng sa feme le likhakanyo tsa lichelete tse fokolang. Melemo: Ha ho hlokahale-kamore e boima ea ts'ireletso e hlokehang, ho tenyetseha ho hoholo, ho beha sebaka ka potlako le ho nchafatsa lisebelisoa, hammoho le ts'ebetso e bonolo le ts'ebetso. Mefokolo: Boima ba moputso o tlase, lebelo le tlase la ho tsamaea ho feta matsoho a liroboto tsa indasteri, le bokhoni bo fokolang ba tlhahiso tlas'a maemo a ts'ebetso a hlokang tjheseletsa e tebileng ea ho kenella bakeng sa lipoleiti tse teteaneng.
Kakaretso ea Khetho
Khetha 6-roboto ea axis industry haeba tlhahiso e phahameng le tlhahiso e le 'ngoe-e hlokehang ka bongata. Kgetha roboto e sebedisanang bakeng sa-tlhahiso ya mefuta e mengata, sebaka se lekanyeditsweng sa pokello ya mesebetsi le ho fana ka-ka theko e tlase.
Mohato oa 3: Lethathamo la Khetho bakeng sa Likaroloana tsa Thuso ea Core
Laser Welding Hlooho
Lihlooho tsa welding tse nang le ts'ebetso ea welding ea oscillating li khethoa, tse ka lefang likheo tsa kopano ho tloha ho 0.2 mm ho isa ho 0.8 mm le ho atolosa seams oa weld. Bolelele ba ho tsepamisa maikutlo bo tla lumellana le sebaka sa ts'ebetso sa li-workpieces. Lihlooho tsa ho tjheseletsa tse oscillating lia tlama bakeng sa lishiti tse entsoeng ka masenke le lisebelisoa tsa aluminium.
Laser jenereithara
Matla a tla lumellana le parameter e khethiloeng mohatong oa pele oa khetho ea lisebelisoa. Libreki tse nang le{1}}litšebeletso tsa lehae ka mor'a thekiso le litefiso tse tlase tsa ho hloleha lia khothaletsoa. Li-laser-tse sa khaotseng tsa wave fiber li sebelisoa bakeng sa ho cheseletsa ho teba, ha li-pulsed laser li sebelisetsoa likarolo tse nepahetseng haholo-.
Servo Wire Feeder
Hoa hlokahala hore ho be le servo-ea ho fepa ka terata ho etsa bonnete ba hore ho feptjoa ka terata ntle le ho jama. E tšehetsa bophara ba terata bo tloaelehileng ba 0.8 mm, 1.0 mm le 1.2 mm. Ho fepa ka terata ho ka tloheloa ho sebelisa li-welding tsa autogenous feela bakeng sa manonyeletso a masesaane a nang le lirope tse nang le likheo tse ka tlase ho 0.1 mm. Filler wire welding e tlama bakeng sa plate plates, likheo tse kholo le -manonyello a phahameng a khatello.
Weld Seam Vision Tracking System
Pono ea 2D: Theko e tlase, e loketseng li-welds tse bonolo tse otlolohileng.
3D Laser Vision: E khona ho lemoha lekhalo, ho metha phapang ea bophahamo le ho lokisa tsela e iketsang ea ho kheloha, e leng bohlokoa bakeng sa-mefuta e fapaneng le e phahameng{2}}ea ho sebetsa e nepahetseng. Pono e ka tlosoa ho fokotsa litšenyehelo bakeng sa-mesebetsi e le 'ngoe e hlahisoang e le 'ngoe{5}e bonolo.
Chiller ea indasteri
Chiller e tlameha ho bapisoa le matla a lekantsoeng a laser. Li-control tse peli-tse peli tsa mocheso-li-control li-chiller tse hlokahalang bakeng sa{3}mofuta o phahameng oa matla ho pholisa jenereithara le hlooho ea welding ka thoko. Li-chillers tse tlase li tla etsa hore motlakase o fokotsehe ka thepa le ho fokotsa ka kotloloho katleho ea potoloho ea tlhahiso. Moeli o eketsehileng oa ho pholisa bakeng sa lihatsetsi o lokela ho bolokeloa lithupelo tse nang le mocheso o phahameng oa tikoloho.
Lintlha tsa Ts'ebetso ea Bohlokoa bakeng sa Robotic Laser Welding
Arc Start / Arc End Control
Eketsa butle butle matla a remp{0}}ea holimo le a theolang{1}lits'ebetso{1}ho theosa le liroboto ho qoba porosity ha arc initiation le crater cracks ha arc termination. Eketsa nako-e sireletsang phallo ea khase bakeng sa lipoleiti tse tšesaane ho thibela oxidation ea weld.
Oscillation Welding Parameters
Bophara ba oscillation bo tloaelehileng bo tloha ho 0.6 mm ho isa ho 1.5 mm ka maqhubu a oscillation a 10-30 Hz. Ho tla amoheloa amplitude e kholoanyane bakeng sa likheo tse kholo tsa kopano.
Reference Travel Speed bakeng sa Liroboto (E Tsoelang Pele-Wave Fiber Laser)
-li-welds tse tšesaane tsa "autogenous sealing": 800–2000 mm/min
Li-welld tsa terata tse mahareng le tse teteaneng: 300–800 mm/min
Lisebelisoa tse khanyang haholo tsa aluminium alloy: 200-500 mm / min
Multi-layer & Multi{1}pass Welding
Bakeng sa lipoleiti tse botenya ho feta 6 mm, ho hlokahala welding ea layered. Sebelisa matla a phahameng bakeng sa phallo ea motso ho netefatsa ho kenella ha welding, le ho fokotsa matla bakeng sa "capping pass" ho ntlafatsa chebahalo ea weld. Lera la oxide e kaholimo le tlameha ho hloekisoa kamora 'mala o mong le o mong oa welding.
Ho bona hore na rea tšoaneleha, beha tlhokahalo ea sebele ka pel'a moenjiniere. Romella karolo ea hau ea ho taka, nako ea potoloho, le lithibelo tsa lisele, 'me re tla khutla ka tlhophiso le nako ea ho etella pele.
