Kuwongolera Kutentha Kwambiri kwa Laser Systems ndi Industrial Applications Kuyambira 2002
Chilankhulo
Zowonongeka za laser kuwotcherera monga ming'alu, porosity, spatter, kuwotcha-kudutsa, ndi kudula pang'onopang'ono kumatha chifukwa cha zoikamo zosayenera kapena kasamalidwe ka kutentha. Mayankho akuphatikizapo kusintha magawo owotcherera ndi kugwiritsa ntchito zoziziritsa kukhosi kuti kutentha kuzikhala kofanana. Madzi oziziritsa m'madzi amathandizira kuchepetsa kuwonongeka, kuteteza zida, komanso kuwongolera bwino komanso kulimba.
Kuwotcherera kwa laser ndi njira yabwino kwambiri komanso yolondola yomwe imagwiritsidwa ntchito m'mafakitale osiyanasiyana. Komabe, zolakwika zina monga ming'alu, porosity, spatter, burn-through, ndi undercutting zitha kuchitika panthawiyi. Kumvetsetsa zomwe zimayambitsa zolakwikazi ndi njira zothetsera vutoli ndizofunikira kwambiri pakuwongolera khalidwe la kuwotcherera ndikuwonetsetsa zotsatira zokhalitsa. Pansipa pali zolakwika zazikulu zomwe zimapezeka pakuwotcherera kwa laser ndi momwe mungathanirane nazo:
1. Ming'alu
Choyambitsa: Ming'alu imachitika chifukwa chakuchulukira kwamphamvu kopitilira muyeso dziwe la weld lisanalimba. Nthawi zambiri zimagwirizanitsidwa ndi ming'alu yotentha, monga kulimbitsa kapena ming'alu ya liquation.
Yankho: Kuchepetsa kapena kuthetsa ming'alu, kutenthetsera ntchito yopangira ntchito ndikuwonjezera zinthu zodzaza kungathandize kugawa kutentha kwambiri, motero kuchepetsa kupsinjika ndikupewa ming'alu.
2. Porosity
Choyambitsa: Kuwotcherera kwa laser kumapanga dziwe lakuya, lopapatiza lomwe limazizira mwachangu. Mipweya yopangidwa mu dziwe losungunuka ilibe nthawi yokwanira yothawa, zomwe zimatsogolera kupanga matumba a mpweya (pores) mu weld.
Yankho: Kuti muchepetse porosity, yeretsani malo ogwirira ntchito musanawotcherera. Kuphatikiza apo, kusintha komwe kumayendera mpweya wotchingira kungathandize kuwongolera kutuluka kwa gasi ndikuchepetsa mwayi wopanga pore.
3. Sipa
Chifukwa: Spatter imagwirizana mwachindunji ndi kuchuluka kwa mphamvu. Kachulukidwe ka mphamvu kakachuluka kwambiri, zinthuzo zimaphwera kwambiri, zomwe zimapangitsa kuti zinthu zosungunula zizituluka mu dziwe la weld.
Yankho: Chepetsani mphamvu yowotcherera ndikusintha liwiro la kuwotcherera kuti likhale labwino kwambiri. Izi zithandiza kupewa vaporization ya zinthu zambiri komanso kuchepetsa kukwapula.
4. Kuwotcha
Choyambitsa: Chilemachi chimachitika pamene liwiro la kuwotcherera likuthamanga kwambiri, zomwe zimapangitsa kuti chitsulo chamadzimadzi chilephere kugawanso bwino. Zitha kuchitikanso pamene kusiyana kwa mgwirizano kuli kwakukulu kwambiri, kuchepetsa kuchuluka kwa zitsulo zosungunuka zomwe zilipo kuti zigwirizane.
Yankho: Mwa kuwongolera mphamvu ndi liwiro la kuwotcherera mogwirizana, kuwotcha-kudutsa kumatha kupewedwa, kuwonetsetsa kuti dziwe la weld likuyendetsedwa mokwanira kuti likhale lolumikizana bwino.
5. Kudula
Choyambitsa: Kuwotchera kumachitika pamene liwiro la kuwotcherera likucheperachepera, zomwe zimapangitsa kuti pakhale dziwe lalikulu, lalikulu. Kuchuluka kwachitsulo chosungunuka kumapangitsa kuti zikhale zovuta kuti zitsulo zamadzimadzi zikhale zovuta kuti zitsulo zamadzimadzi zikhalepo, zomwe zimapangitsa kuti ziwonongeke.
Yankho: Kuchepetsa kachulukidwe ka mphamvu kungathandize kupewa kuchepa, kuonetsetsa kuti dziwe losungunuka likusunga mawonekedwe ake ndi mphamvu panthawi yonseyi.
Udindo wa Madzi Ozizira mu Laser Welding
Kuphatikiza pa mayankho omwe ali pamwambawa, kusunga kutentha kwabwino kwa wowotchera laser ndikofunikira kuti mupewe zolakwika izi. Apa ndi pamene zoziziritsa madzi zimayamba kugwira ntchito. Kugwiritsa ntchito chiller madzi pa ndondomeko kuwotcherera laser n'kofunika chifukwa zimathandiza kusunga kutentha mogwirizana mu laser ndi workpieces. Mwa kuwongolera bwino kutentha m'dera lakuwotcherera, zoziziritsa kumadzi zimachepetsa malo omwe amakhudzidwa ndi kutentha ndikuteteza zida zowoneka bwino kuti zisawonongeke. Izi zimatsimikizira kukhazikika ndi khalidwe la mtengo wa laser, potsirizira pake kuwongolera khalidwe la kuwotcherera ndi kuchepetsa mwayi wa zolakwika monga ming'alu ndi porosity. Kuphatikiza apo, zoziziritsira madzi zimakulitsa moyo wa zida zanu popewa kutenthedwa ndikupereka ntchito yodalirika, yokhazikika.
Kutsiliza: Pomvetsa zomwe zimayambitsa vuto wamba laser kuwotcherera ndi kukhazikitsa njira zothandiza, monga preheating, kusintha mphamvu ndi liwiro zoikamo, ndi ntchito chillers, mukhoza kwambiri kusintha kuwotcherera khalidwe. Njirazi zimatsimikizira zinthu zapamwamba kwambiri, zowoneka bwino komanso zolimba, komanso zimathandizira magwiridwe antchito komanso moyo wa zida zanu zowotcherera laser.
Kuti mumve zambiri zamomwe mungakwaniritsire njira yanu yowotcherera laser ndi njira zoziziritsira zapamwamba, omasuka kutilankhula.
Tabwera chifukwa cha inu mukadzatifuna.
Chonde lembani fomu yolumikizana nafe, ndipo tidzakhala okondwa kukuthandizani.
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TEYU S&A Chiller idakhazikitsidwa mu 2002 ndi zaka 23 zopanga zoziziritsa kukhosi, ndipo tsopano amadziwika kuti ndi mpainiya waukadaulo wozizira komanso mnzake wodalirika pamakampani a laser.
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