Fusion Welding: Mphamvu Yaikulu Yowotcherera Mafakitale

Kuwotcherera kwa Fusion ndiye gulu lomwe limagwiritsidwa ntchito kwambiri. Ndi ubwino wokhoza kujowina mbale zakuda ndikukhala ndi mphamvu zowotcherera kwambiri, zakhala teknoloji yaikulu m'madera monga zitsulo, zotengera zokakamiza, ndi zomangamanga. Zimaphatikizapo njira zosiyanasiyana monga kuwotcherera zitsulo zotetezedwa (SMAW), kuwotcherera zitsulo zamagetsi (GMAW), ndi kuwotcherera kwa laser, zomwe ziwiri zoyambirira ndi "mitundu yomwe imagwiritsidwa ntchito nthawi zambiri" popanga ndi kukonza mafakitale.

(I) Shielded Metal Arc Welding (SMAW): The Flexible and Convenient "All-Rounder"

Kuwotcherera zitsulo zotetezedwa (SMAW) ndiye njira yoyambira komanso yosinthika yowotcherera. Amasungunula zitsulo kupyolera mu kutentha kwa arc pakati pa electrode ndi workpiece. Ndi zida zosavuta komanso zocheperako zogwirira ntchito, ndizoyenera kwambiri kukonza pamalopo, kupanga kamodzi / kakang'ono kakang'ono, ndi kuwotcherera kwazinthu zovuta.

1. Mfundo Yofunika Kwambiri ndi Mapangidwe a Zida

Mfundo Yofunika Kuyikira: Chophimba kutsogolo kwa electrode chimawotcha kupanga mpweya woteteza, wopatula mpweya. Kutentha kwa arc kumasungunula pachimake cha electrode ndi chogwirira ntchito kuti chipange dziwe losungunuka. Pambuyo kuzirala, zotsalira za zokutira zimapanga slag kuteteza chitsulo chowotcherera.

Zida: AC kapena DC arc kuwotcherera makina, kuwotcherera elekitirodi chofukizira, kuwotcherera maelekitirodi (osankhidwa malinga ndi zitsulo m'munsi; mwachitsanzo, E4303 maelekitirodi amagwiritsidwa ntchito pa otsika mpweya zitsulo), ndi zipangizo zoteteza (kuwotcherera chisoti, magolovesi insulated, kuwotcherera zovala).

2. Mfundo zazikuluzikulu zogwirira ntchito

Kukonzekera Kukonzekera Kuwotcherera: Ma elekitirodi ayenera kuumitsidwa malinga ndi zofunikira (150-200 ° C kwa ma electrode acidic, 350-400 ° C pamagetsi oyambirira). Chotsani mafuta, dzimbiri, ndi sikelo ya okusayidi pamalo ogwirira ntchito kuti mupewe porosity; kusintha panopa malinga ndi makulidwe mbale, zambiri kutsatira mfundo ya "10-15A pa mm wa makulidwe mbale" (mwachitsanzo, 60-90A kwa 6mm wandiweyani mbale zitsulo).

Njira Yowotcherera: Yatsani arc pogwiritsa ntchito "njira yokanda" (yofanana ndi kumenya machesi) kapena "njira yogwira" (kukhudzidwa kwa electrode pachogwirira ntchito). Sungani kutalika kwa arc pa 10-15mm (pafupifupi 0.8-1.2 nthawi ya electrode awiri); sungani ngodya ya 60-80 ° pakati pa electrode ndi workpiece, ndikuyenda pa liwiro lofanana ndi njira yowotcherera. Yesetsani kukula kwa dziwe losungunuka mpaka 1.5-2 kukula kwake kwa electrode kuti mupewe kulimbitsa ma weld chifukwa cha dziwe lalikulu losungunuka kapena kusowa kwa maphatikizidwe chifukwa cha dziwe laling'ono losungunuka.

Chithandizo cha Post-Welding: Pambuyo pozizira, gwiritsani ntchito nyundo ya slag kuyeretsa slag. Yang'anani pamwamba pa weld kuti muwone zolakwika monga porosity, undercut, ndi slag kuphatikiza. Chitani mayeso osawononga ngati kuli kofunikira.

3. Zomwe Zimagwira Ntchito ndi Zolepheretsa

Zochitika Zogwiritsira Ntchito: Zomangamanga zitsulo, kukonza mapaipi, kuwotcherera mbali zamakina, kumanga mlatho, ndi zina zotero, makamaka zoyenera panja kapena zomwe zilibe magetsi osakhazikika.

Zolepheretsa: Kuchita bwino kwa kuwotcherera kwapang'onopang'ono (kugwiritsira ntchito pamanja), khalidwe la weld limakhudzidwa kwambiri ndi luso la wogwiritsa ntchito, ndipo siliyenera kupangidwa ndi zinthu zosavuta zotsekemera monga ma aluminiyamu ndi zitsulo zosapanga dzimbiri.