Kuwotcherera kwa laser kumatanthauza njira yogwiritsira ntchito mphamvu zambiri za laser kuti igwirizanitse zitsulo kapena zinthu zina za thermoplastic pamodzi. Malinga ndi mfundo zosiyanasiyana zogwirira ntchito komanso kusintha malinga ndi zochitika zosiyanasiyana zogwiritsira ntchito, kuwotcherera kwa laser kumatha kugawidwa m'mitundu isanu: kuwotcherera kwa kutentha, kuwotcherera kozama, kuwotcherera kosakanikirana, kuwotcherera kwa laser ndi kuwotcherera kwa laser.
| Kuwotcherera kutentha | Mtambo wa laser umasungunula ziwalo zomwe zili pamwamba, zinthu zosungunukazo zimasakanikirana ndikulimba. |
| Kuwotcherera kozama | Mphamvu yayikulu kwambiri imapangitsa kuti pakhale mabowo a makiyi omwe amalowa mkati mwa chinthucho, zomwe zimapangitsa kuti pakhale ma weld akuya komanso opapatiza. |
| Kuwotcherera kosakanikirana | Kuphatikiza kwa laser welding ndi MAG welding, MIG welding, WIG welding kapena plasma welding. |
| Kuphimba ndi laser | Mtambo wa laser umatenthetsa gawo lolumikizirana, motero umasungunula solder. Solder yosungunuka imalowa mu cholumikizira ndikulumikiza magawo olumikizirana. |
| Kuwotcherera kwa laser conduction | Mtambo wa laser umadutsa mu gawo lofanana kuti usungunule gawo lina lomwe limayamwa laser. Gawo lolumikizana limamangiriridwa pamene weld ipangidwa. |
Monga njira yatsopano yowotcherera, poyerekeza ndi njira zina zachikhalidwe zowotcherera, kuwotcherera kwa laser kuli ndi ubwino wolowa mozama, liwiro lothamanga, kusintha pang'ono, kufunikira kochepa kwa malo owotcherera, kuchuluka kwa mphamvu zambiri, ndipo sikukhudzidwa ndi mphamvu zamaginito. Sikuti kumangokhala pazinthu zoyendetsera mpweya, sikufunikira malo ogwirira ntchito a vacuum ndipo sikupanga ma X-ray panthawi yowotcherera. Kumagwiritsidwa ntchito kwambiri popanga zinthu zolondola kwambiri.
Kusanthula kwa minda yogwiritsira ntchito laser welding
Kuwotcherera kwa laser kuli ndi ubwino wolondola kwambiri, kuteteza chilengedwe, mitundu yosiyanasiyana ya zipangizo zopangira, kugwira ntchito bwino kwambiri, ndi zina zotero, ndipo kuli ndi ntchito zosiyanasiyana. Pakadali pano, kuwotcherera kwa laser kwagwiritsidwa ntchito kwambiri m'mabatire amagetsi, magalimoto, zamagetsi, kulumikizana ndi kuwala ndi zina.
(1) Batri yamagetsi
Pali njira zambiri zopangira mabatire a lithiamu-ion kapena mabatire, ndipo pali njira zambiri, monga kuwotcherera ma valve oteteza kuphulika, kuwotcherera ma tab, kuwotcherera ma batire pole spot, kuwotcherera ma power battery shell ndi cover sealing, module ndi kuwotcherera ma PACK. Mu njira zina, kuwotcherera ma laser ndiyo njira yabwino kwambiri. Mwachitsanzo, kuwotcherera ma laser kumatha kusintha magwiridwe antchito a kuwotcherera komanso kusakhala ndi mpweya wokwanira wa valavu yoteteza kuphulika kwa batire; nthawi yomweyo, chifukwa mtundu wa beam wa kuwotcherera ma laser ndi wabwino, malo owotcherera amatha kupangidwa kukhala ang'onoang'ono, ndipo ndi oyenera kuyika aluminiyamu yowala kwambiri, mkuwa ndi ma electrode a batire opapatiza. Kuwotcherera ma lamba kuli ndi ubwino wapadera.
(2) Galimoto
Kugwiritsa ntchito laser welding popanga magalimoto kumaphatikizapo mitundu itatu: laser tailor welding ya ma plates osafanana makulidwe; laser assembly welding ya ma body assemblies ndi sub-assembly; ndi laser welding ya auto parts.
Kuwotcherera kwa laser tailor kuli mu kapangidwe ndi kupanga thupi la galimoto. Malinga ndi kapangidwe ndi magwiridwe antchito osiyanasiyana a thupi la galimoto, ma plates okhala ndi makulidwe osiyanasiyana, zipangizo zosiyanasiyana, magwiridwe antchito osiyanasiyana kapena ofanana amalumikizidwa mu thunthu lonse kudzera muukadaulo wodula ndi kusonkhanitsa laser, kenako amasindikizidwa mu gawo la thupi. Pakadali pano, malo opukutira opangidwa ndi laser tailor-welded akhala akugwiritsidwa ntchito kwambiri m'malo osiyanasiyana a thupi la galimoto, monga mbale yolimbikitsira katundu, gulu lamkati la katundu, chithandizo cha shock absorber, chivundikiro chakumbuyo, gulu lamkati la khoma, gulu lamkati la chitseko, pansi yakutsogolo, mipiringidzo yakutsogolo, ma bumpers, mipiringidzo yopingasa, zophimba magudumu, zolumikizira za B-pillar, zipilala zapakati, ndi zina zotero.
Kuwotcherera kwa laser kwa thupi la galimoto kumagawidwa makamaka m'magulu awiri: kuwotcherera kwa assembly, kuwotcherera khoma lam'mbali ndi chivundikiro chapamwamba, ndi kuwotcherera kotsatira. Kugwiritsa ntchito kuwotcherera kwa laser mumakampani opanga magalimoto kungachepetse kulemera kwa galimoto kumbali imodzi, kukonza kuyenda kwa galimoto, ndikuchepetsa kugwiritsa ntchito mafuta; kumbali ina, kungathandize kukonza magwiridwe antchito a chinthucho. Ubwino ndi kupita patsogolo kwaukadaulo.
Kugwiritsa ntchito laser welding pazida zamagalimoto kuli ndi ubwino woti palibe kusintha kulikonse pa gawo lowetera, liwiro lowetera mwachangu, komanso palibe chifukwa chotenthetsera pambuyo pa welding. Pakadali pano, laser welding imagwiritsidwa ntchito kwambiri popanga zida zamagalimoto monga ma gear otumizira, ma valve lifters, ma hinges a zitseko, ma drive shafts, ma steering shafts, mapaipi otulutsa utsi wa injini, ma clutch, ma turbocharger axles ndi chassis.
(3) Makampani a ma microelectronics
M'zaka zaposachedwapa, chifukwa cha chitukuko cha makampani a zamagetsi omwe akutsogolera ku miniaturization, kuchuluka kwa zida zosiyanasiyana zamagetsi kwakhala kochepa kwambiri, ndipo zofooka za njira zoyambirira zowotcherera zawonekera pang'onopang'ono. Zidazo zawonongeka, kapena mphamvu yowotcherera siyili yofanana ndi yachizolowezi. Pachifukwa ichi, kuwotcherera kwa laser kwagwiritsidwa ntchito kwambiri pantchito yokonza zinthu zamagetsi monga kulongedza masensa, zida zamagetsi zophatikizika, ndi mabatani a mabatani chifukwa cha zabwino zake monga kulowa mozama, liwiro lachangu, komanso kusintha pang'ono.
3. Kukula kwa msika wowotcherera wa laser
(1) Kuchuluka kwa anthu omwe alowa pamsika kukufunikirabe kukwezedwa
Poyerekeza ndi ukadaulo wamakono wopangira makina, ukadaulo wopangira makina pogwiritsa ntchito laser uli ndi ubwino waukulu, koma udakali ndi vuto la kusakwanira kwa kukwezedwa kwa ntchito m'mafakitale otsika. Makampani opanga zinthu zakale, chifukwa cha kuyambitsidwa koyambirira kwa mizere yopangira yachikhalidwe ndi zida zamakanika, komanso gawo lofunika kwambiri pakupanga makampani, kusintha mizere yopangira makina pogwiritsa ntchito laser yapamwamba kwambiri kumatanthauza ndalama zambiri, zomwe ndi vuto lalikulu kwa opanga. Chifukwa chake, zida zopangira laser pakadali pano zimayang'aniridwa kwambiri m'magawo angapo ofunikira amakampani omwe ali ndi kufunikira kwakukulu kwa kupanga komanso kukulitsa kupanga. Zosowa za mafakitale ena zikuyenerabe kukonzedwa bwino.
(2) Kukula kwa msika mosalekeza
Kuwotcherera kwa laser, kudula kwa laser, ndi kuyika chizindikiro cha laser pamodzi ndi "troika" ya makina a laser. M'zaka zaposachedwapa, kupindula ndi kupita patsogolo kwa ukadaulo wa laser ndi kutsika kwa mitengo ya laser, komanso kugwiritsa ntchito zida zowotcherera za laser, magalimoto atsopano amphamvu, mabatire a lithiamu, mapanelo owonetsera, zamagetsi zamagetsi zama foni ndi madera ena kukufunika kwambiri. Kukula mwachangu kwa ndalama pamsika wowotcherera wa laser kwalimbikitsa kukula kwa msika wa zida zowotcherera za laser mdziko muno.
Kukula kwa msika wa laser wowotcherera ku China kuyambira 2014 mpaka 2020 komanso kukula kwake
(3) Msika uli wogawanika pang'ono, ndipo mpikisano sunakhazikikebe
Malinga ndi momwe msika wonse wowotcherera laser umagwirira ntchito, chifukwa cha makhalidwe a makampani opanga zinthu m'madera osiyanasiyana komanso otsika, zimakhala zovuta kuti msika wowotcherera laser m'gawo lopanga upange mpikisano wokhazikika, ndipo msika wonse wowotcherera laser uli wogawanika. Pakadali pano, pali makampani apakhomo opitilira 300 omwe akuchita nawo ntchito yowotcherera laser. Makampani akuluakulu owotcherera laser akuphatikizapo Han's Laser, Huagong Technology, ndi ena.
4. Kuneneratu za chitukuko cha kuwotcherera kwa laser
(1) Njira yolumikizira makina olumikizirana ndi laser yogwiritsidwa ntchito ndi manja ikuyembekezeka kulowa munthawi yomwe ikukula mwachangu
Chifukwa cha kuchepa kwakukulu kwa mtengo wa ma laser a ulusi, komanso kukhwima pang'onopang'ono kwa ukadaulo wotumizira ulusi ndi mutu wowotcherera wopangidwa ndi manja, makina owotcherera a laser opangidwa ndi manja akhala otchuka pang'onopang'ono m'zaka zaposachedwa. Makampani ena atumiza 200 ku Taiwan, ndipo makampani ena ang'onoang'ono amathanso kutumiza mayunitsi 20 pamwezi. Nthawi yomweyo, makampani otsogola m'munda wa laser monga IPG, Han's, ndi Raycus nawonso ayambitsa zinthu zogwirizana ndi laser yopangidwa ndi manja.
Poyerekeza ndi kuwotcherera kwa argon arc kwachikhalidwe, kuwotcherera kwa laser kogwiritsidwa ntchito m'manja kuli ndi ubwino woonekeratu pa ubwino wowotcherera, ntchito, chitetezo ndi chitetezo cha chilengedwe, komanso mtengo wogwiritsira ntchito m'minda yosasinthasintha yowotcherera monga zida zapakhomo, makabati, ndi ma elevator. Mwachitsanzo, ogwiritsa ntchito kuwotcherera a argon arc ali ndi maudindo apadera mdziko langa ndipo amafunika kuvomerezedwa kuti agwire ntchito. Pakadali pano, mtengo wapachaka wa wowotcherera wokhwima pamsika ndi wochepera 80,000 yuan, pomwe kuwotcherera kwa laser kogwiritsidwa ntchito m'manja kungagwiritse ntchito wamba. Mtengo wapachaka wa ogwira ntchito ndi 50,000 yuan yokha. Ngati kugwira ntchito bwino kwa laser kogwiritsidwa ntchito m'manja kuli kawiri kuposa kuwotcherera kwa argon arc, mtengo wantchito ukhoza kupulumutsidwa ndi 110,000 yuan. Kuphatikiza apo, kuwotcherera kwa argon arc nthawi zambiri kumafuna kupukuta pambuyo powotcherera, pomwe kuwotcherera kwa laser kogwiritsidwa ntchito m'manja sikufuna kupukuta konse, kapena kupukuta pang'ono, zomwe zimasunga ndalama zina za ogwira ntchito yowotcherera. Ponseponse, nthawi yobwezera ndalama ya zida zowotcherera za laser zogwiritsidwa ntchito m'manja ndi pafupifupi chaka chimodzi. Popeza kuti masiku ano anthu ambiri amagwiritsa ntchito makina ochapira a argon arc omwe amagwiritsidwa ntchito m'dziko muno, malo osinthira makina ochapira a laser ogwiritsidwa ntchito ndi manja ndi akulu kwambiri, zomwe zipangitsa kuti makina ochapira a laser ogwiritsidwa ntchito ndi manja ayambe kukula mofulumira.
| Mtundu | Kuwotcherera kwa Argon arc | YAG kuwotcherera | Kuwotcherera ndi manja | |
| Ubwino wa kuwotcherera | Kulowetsa kutentha | Chachikulu | Kakang'ono | Kakang'ono |
| Kusintha kwa ntchito/kudula pang'ono | Chachikulu | Kakang'ono | Kakang'ono | |
| Kupanga zotungira | Kapangidwe ka nsomba | Kapangidwe ka nsomba | Yosalala | |
| Kukonza kotsatira | Chipolishi | Chipolishi | Palibe | |
| Gwiritsani ntchito | Liwiro la kuwotcherera | Pang'onopang'ono | Pakati | Mwachangu |
| Kuvuta kwa ntchito | Zolimba | Zosavuta | Zosavuta | |
| Chitetezo ndi chitetezo cha chilengedwe | Kuipitsa chilengedwe | Chachikulu | Kakang'ono | Kakang'ono |
| Kuvulala kwa thupi | Chachikulu | Kakang'ono | Kakang'ono | |
| Mtengo wa wowotcherera | Zogwiritsidwa ntchito | Ndodo yowotcherera | Krustalo wa laser, nyali ya xenon | Posafunikira |
| Kugwiritsa ntchito mphamvu | Kakang'ono | Chachikulu | Kakang'ono | |
| Malo osungira zida | Kakang'ono | Chachikulu | Kakang'ono | |
Ubwino wa makina owetera a laser opangidwa ndi manja
(2) Malo ogwiritsira ntchito akupitiliza kukula, ndipo kuwotcherera kwa laser kukubweretsa mwayi watsopano wopangira zinthu.
Ukadaulo wowotcherera wa laser ndi mtundu watsopano wa ukadaulo wokonza womwe umagwiritsa ntchito mphamvu yolunjika pokonza zinthu mosakhudzana ndi kukhudzana. Ndi wosiyana kwambiri ndi njira zachikhalidwe zowotcherera. Ukhoza kuphatikizidwa ndi ukadaulo wina wambiri ndikubereka ukadaulo watsopano ndi mafakitale, omwe azitha kusintha kuwotcherera kwachikhalidwe m'magawo ambiri.
Ndi kupita patsogolo mwachangu kwa chidziwitso cha anthu, ma microelectronics okhudzana ndi ukadaulo wazidziwitso, komanso makompyuta, kulumikizana, kuphatikiza zamagetsi ndi mafakitale ena akuchulukirachulukira, ndipo akuyamba njira yopitilira kuchepera ndikuphatikiza zigawo. Pansi pa maziko a makampani awa, kuzindikira kukonzekera, kulumikizana, ndi kulongedza kwa zigawo zazing'ono, ndikuwonetsetsa kuti zinthuzo zikuyenda bwino komanso kudalirika kwambiri pakadali pano ndi mavuto ofunikira kuthana nawo. Zotsatira zake, ukadaulo wowotcherera wogwira ntchito bwino, wolondola kwambiri, komanso wosawonongeka kwambiri ukukhala gawo lofunikira kwambiri pothandizira chitukuko cha zinthu zamakono zamakono. M'zaka zaposachedwa, kuwotcherera kwa laser kwawonjezeka pang'onopang'ono m'magawo a micromachining yabwino monga mabatire amagetsi, magalimoto, ndi zamagetsi ogwiritsa ntchito, komanso kapangidwe kazovuta kwambiri ka madera apamwamba aukadaulo monga injini za aero, ndege za rocket, ndi injini zamagalimoto. Zipangizo zowotcherera za laser zayambitsa Mwayi Watsopano Wopanga.
Nthawi yotumizira: Disembala-16-2021




