Mfundo yowotcherera argon arc
Argon arc kuwotcherera ndi njira yowotcherera yomwe imagwiritsa ntchito mpweya wa inert argon ngati mpweya woteteza.
Makhalidwe a argon arc kuwotcherera
1. Ubwino wa weld ndi wapamwamba. Popeza argon ndi mpweya wa inert ndipo samachita ndi mankhwala ndi zitsulo, zinthu za alloy sizidzawotchedwa, ndipo argon sichisungunuka ndi chitsulo. The kuwotcherera ndondomeko kwenikweni kusungunuka ndi crystallization wa zitsulo. Chifukwa chake, chitetezo chimakhala chabwinoko, ndipo weld yoyera komanso yapamwamba imatha kupezeka.
2. The kuwotcherera deformation kupsyinjika ndi kochepa. Chifukwa arc imatsindikizidwa ndikukhazikika ndi kutuluka kwa mpweya wa argon, kutentha kwa arc kumakhala kokhazikika, ndipo kutentha kwa argon arc kumakhala kokwera kwambiri, kotero kuti malo omwe akhudzidwa ndi kutentha ndi ochepa, kotero kuti kupsinjika ndi kusinthika panthawi yowotcherera kumakhala kochepa, makamaka mafilimu owonda. Kuwotcherera mbali ndi kuwotcherera pansi kwa mapaipi.
3. Ili ndi zitsulo zambiri zowotcherera ndipo imatha kuwotcherera pafupifupi zipangizo zonse zachitsulo, makamaka zoyenera kuwotcherera zitsulo ndi ma alloys okhala ndi zigawo zikuluzikulu za mankhwala.
Zida zowotcherera za Xinfa zili ndi mawonekedwe apamwamba komanso otsika mtengo. Kuti mudziwe zambiri, chonde pitani:Opanga Kuwotcherera & Kudula - China Welding & Cutting Factory & Suppliers (xinfatools.com)
Gulu la kuwotcherera kwa argon arc
1. Malingana ndi zipangizo zosiyanasiyana zama elekitirodi, kuwotcherera kwa argon arc kungathe kugawidwa mu tungsten arc kuwotcherera (non-melting electrode) ndi kusungunuka kwa electrode argon arc kuwotcherera.
2. Malinga ndi njira yake yogwiritsira ntchito, ikhoza kugawidwa m'mabuku, theka-automatic ndi automatic argon arc kuwotcherera.
3. Malinga ndi gwero la mphamvu, likhoza kugawidwa mu DC argon arc kuwotcherera, AC argon arc kuwotcherera ndi pulse argon arc kuwotcherera.
Kukonzekera pamaso kuwotcherera
1. Werengani ndondomeko kuwotcherera khadi kumvetsa zinthu za kuwotcherera workpiece, zipangizo zofunika, zida ndi magawo ogwirizana ndondomeko, kuphatikizapo kusankha makina olondola kuwotcherera (monga kuwotcherera aloyi zotayidwa, muyenera kugwiritsa ntchito makina kuwotcherera AC), ndi kusankha kolondola kwa ma electrode a tungsten ndi kutuluka kwa gasi.
▶Choyamba, tiyenera kudziwa kuwotcherera panopa ndi zina ndondomeko magawo kuchokera kuwotcherera ndondomeko khadi. Kenako sankhani ma elekitirodi a tungsten (nthawi zambiri, m'mimba mwake wa 2.4mm amagwiritsidwa ntchito kwambiri, ndipo mawonekedwe ake osinthika ndi 150 ~ 250A, kupatula aluminiyamu).
▶Kukula kwa mphuno kumayenera kusankhidwa potengera kukula kwa electrode ya tungsten. 2.5 ~ 3.5 nthawi awiri a tungsten elekitirodi ndi m'mimba mwake wamkati wa nozzle.
▶ Pomaliza, sankhani kuchuluka kwa gasi potengera kukula kwa mkati mwa bomba. 0.8-1.2 nthawi awiri mkati mwa nozzle ndi mpweya otaya mlingo. Kutalikirana kwa ma elekitirodi a tungsten sayenera kupitilira m'mimba mwake mkati mwa nozzle, apo ayi pores amachitika mosavuta.
2. Yang'anani ngati makina owotcherera, makina opangira gasi, makina operekera madzi, ndi zoyikapo pansi zili bwino.
3. Onani ngati workpiece ndi yoyenerera:
▶Kaya pali mafuta, dzimbiri ndi zinyalala zina (zowotcherera mkati mwa 20mm ziyenera kukhala zoyera ndi zouma).
▶Kaya ngodya ya bevel, kusiyana, ndi m'mphepete mwake ndizoyenera. Ngati ngodya ya groove ndi kusiyana kwakukulu, voliyumu yowotcherera idzakhala yayikulu ndipo kuwotcherera kumatha kuchitika mosavuta. Ngati ngodya ya groove ndi yaying'ono, kusiyana kwake ndi kochepa, ndipo m'mphepete mwake ndi wandiweyani, ndikosavuta kuyambitsa kusakanikirana kosakwanira komanso kuwotcherera kosakwanira. Nthawi zambiri, mbali ya bevel ndi 30 ° ~ 32 °, kusiyana ndi 0 ~ 4mm, ndipo m'mphepete mwake ndi 0 ~ 1mm.
▶ Mphepete yolakwika singakhale yayikulu kwambiri, nthawi zambiri mkati mwa 1mm.
▶Kaya kutalika ndi kuchuluka kwa zowotcherera za tack zikukwaniritsa zofunikira, komanso kuwotcherera kwa tack sikuyenera kukhala ndi chilema.
Momwe mungagwiritsire ntchito kuwotcherera kwa argon arc
Argon arc ndi ntchito yomwe manja onse amayenda nthawi imodzi. Zili chimodzimodzi ndi dzanja lamanzere kujambula bwalo ndipo dzanja lamanja kujambula sikweya pa moyo wathu watsiku ndi tsiku. Choncho, tikulimbikitsidwa kuti omwe angoyamba kumene kuphunzira kuwotcherera argon arc ayenera kuchita maphunziro ofanana, zomwe zingakhale zothandiza kuphunzira kuwotcherera argon arc. .
1. Kudyetsa mawaya: kugawidwa mu waya wodzaza mkati ndi waya wodzaza kunja.
▶Waya wodzaza kunja utha kugwiritsidwa ntchito kuyika pansi ndi kudzaza. Amagwiritsa ntchito madzi okulirapo. Mutu wa waya wowotcherera uli kutsogolo kwa poyambira. Gwirani waya wowotcherera ndi dzanja lanu lamanzere ndikuudyetsa mosalekeza mu dziwe losungunuka kuti muwotchere. Kusiyana kwa groove kumafuna kusiyana kochepa kapena kopanda.
Ubwino wake ndikuti pakadali pano ndi yayikulu ndipo kusiyana kwake kuli kochepa, kotero kuti magwiridwe antchito ndi apamwamba komanso luso logwira ntchito ndi losavuta kudziwa. Choyipa chake ndikuti ngati chikugwiritsidwa ntchito poyambira, wogwiritsa ntchitoyo sangathe kuwona kusungunuka kwa m'mphepete mwake komanso kutalika kopitilira muyeso kumbali yakumbuyo, kotero ndikosavuta kupanga mawonekedwe osasinthika komanso osayenera.
▶Waya wofiyira umatha kugwiritsidwa ntchito powotcherera pansi. Gwiritsani ntchito chala chakumanzere, chala chakumanzere kapena chala chapakati kuti mugwirizane ndi kayendedwe ka mawaya. Chala chaching'ono ndi chala cha mphete zimagwira waya kuti ziwongolere komwe akupita. Wayayo ali pafupi ndi m'mphepete mwa khosi losawoneka bwino, pamodzi ndi m'mphepete mwake. Pakusungunuka ndi kuwotcherera, kusiyana kwa poyambira kumafunika kukhala kokulirapo kuposa kukula kwa waya wowotcherera. Ngati ndi mbale, waya wowotcherera amatha kupindika kukhala arc.
Ubwino wake ndikuti waya wowotcherera uli mbali ina ya poyambira, kotero mutha kuwona bwino kusungunuka kwa m'mphepete mwake ndi waya wowotcherera, ndipo mutha kuwonanso kulimbitsa kumbuyo ndi masomphenya anu otumphukira, weld imasakanikirana bwino, ndipo kulimbitsa ndi kusowa kwa maphatikizidwe kumbali yakumbuyo kumatha kupezeka. Kuwongolera kwabwino kwambiri. Choyipa chake ndi chakuti ntchitoyo ndi yovuta ndipo imafuna kuti wowotcherayo akhale ndi luso logwira ntchito bwino. Chifukwa kusiyana kuli kwakukulu, kuchuluka kwa kuwotcherera kumawonjezeka moyenerera. Kusiyana kwake ndi kwakukulu, kotero kuti panopa ndi yochepa, ndipo ntchito yogwira ntchito imachedwa pang'onopang'ono kusiyana ndi waya wodzaza kunja.
2. Chogwirizira chowotcherera chimagawidwa kukhala chogwirira chogwedeza ndi chopopera.
▶ Chogwiririra ndicho kukanikizira mphuno yowotchera mwamphamvu pang'ono pa msoko, ndikugwedeza mkono kwambiri kuti uwotcherera. Ubwino wake ndikuti mphuno yowotcherera imakanikizidwa pa msoko wowotcherera ndipo chowongolera chowotcherera chimakhala chokhazikika kwambiri panthawi yogwira ntchito, kotero kuti msoko wowotcherera umatetezedwa bwino, mawonekedwe ake ndiabwino, mawonekedwe ake ndi okongola kwambiri, ndipo kuchuluka kwa kuyenerera kwazinthu ndikwambiri. Makamaka kuwotcherera pamwamba ndikosavuta kwambiri ndipo kungagwiritsidwe ntchito powotcherera chitsulo chosapanga dzimbiri. Pezani mtundu wowoneka bwino kwambiri. Choyipa chake ndikuti ndizovuta kuphunzira. Chifukwa mkono umasinthasintha kwambiri, sizingatheke kuwotcherera pazopinga.
▶Mop amatanthauza kuti nsonga yowotcherera imatsamira pang'onopang'ono kapena osatsamira pa msoko. Chala chaching'ono kapena mphete ya dzanja lamanja imatsamiranso kapena ayi motsutsana ndi chogwirira ntchito. Dzanja limagwedezeka pang'onopang'ono ndikukokera chogwirira chowotcherera. Ubwino wake ndikuti ndi wosavuta kuphunzira komanso umatha kusintha bwino. Choyipa chake ndikuti mawonekedwe ndi mawonekedwe ake sizili bwino ngati chogwirira cha swing. Makamaka kuwotcherera pamwamba kulibe chogwirira chothandizira kuwotcherera. N'zovuta kupeza mtundu ndi mawonekedwe abwino pamene kuwotcherera zitsulo zosapanga dzimbiri.
3. Kuyatsa kwa arc
Arc starter (high-frequency oscillator kapena high-frequency pulse jenereta) amagwiritsidwa ntchito poyambitsa arc. Elekitirodi ya tungsten ndi weldment sizimalumikizana kuti ziwotche arc. Ngati palibe arc sitata, kukhudzana arc kuyambira ntchito (makamaka ntchito yomanga malo unsembe, makamaka mkulu-okwera unsembe) , mkuwa kapena graphite akhoza kuikidwa pa poyambira wa weldment kuyatsa arc, koma njira imeneyi ndi yovuta kwambiri. ndi osowa ntchito. Nthawi zambiri, waya wowotcherera amagwiritsidwa ntchito kukoka pang'ono waya wowotcherera kuti adutse mozungulira chowotcherera ndi ma elekitirodi a tungsten ndikudula mwachangu kuti ayatse arc.
4.Kuwotcherera
Pambuyo poyatsa arc, chowotchereracho chiyenera kutenthedwa kwa masekondi 3 mpaka 5 kumayambiriro kwa kuwotcherera. Kudyetsa waya kumayamba dziwe losungunuka litapangidwa. Powotcherera, mbali ya mfuti yowotcherera iyenera kukhala yoyenera ndipo waya wowotcherera uyenera kudyetsedwa mofanana. Mfuti yowotcherera imayenera kupita patsogolo bwino ndikugwedezeka kumanzere ndi kumanja, mbali ziwirizo zimachedwa pang'ono ndipo pakati mofulumira pang'ono. Samalani kwambiri kusintha kwa dziwe losungunuka. Dziwe losungunuka likamakulirakulira, kuwotchererako kumakhala kokulirapo kapena kopindika, liwiro la kuwotcherera liyenera kufulumizitsidwa kapena kuwotcherera komweko kumayenera kusinthidwa pansi. Pamene kusakaniza kwa dziwe losungunuka sikuli bwino ndipo mawaya amadyetsedwa akumva kuti sasunthika, liwiro la kuwotcherera liyenera kuchepetsedwa kapena kuwotcherera panopa kuyenera kuwonjezeka. Ngati ndi kuwotcherera pansi, chidwi chiyenera kuyang'ana m'mphepete mwa mbali zonse za poyambira ndi ngodya za maso. Ndi masomphenya anu ozungulira mbali ina ya msoko, tcherani khutu ku kusintha kwapamwamba kwina.
5. kutseka arc
Ngati arc yatsekedwa mwachindunji, n'zosavuta kupanga mabowo a shrinkage. Ngati mfuti yowotcherera ili ndi arc starter, arc iyenera kutsekedwa pang'onopang'ono kapena kusinthidwa kuti ikhale yoyenera ndipo arc iyenera kutsekedwa pang'onopang'ono. Ngati makina owotcherera alibe choyambira cha arc, arc iyenera kutsogozedwa pang'onopang'ono polowera. Osatulutsa mabowo ochepera mbali imodzi. Ngati mabowo akuchulukira, amayenera kupukutidwa asanawotchedwe.
Ngati kutseka kwa arc kuli pachimake, cholumikizira chiyenera kupangidwa kukhala bevel poyamba. Mgwirizanowo ukasungunuka kwathunthu, wendani kutsogolo kwa 10 ~ 20mm ndiyeno mutseke pang'onopang'ono arc kuti zisagwe. Popanga, nthawi zambiri zimawoneka kuti zolumikizira sizimapukutidwa kukhala ma bevel, koma nthawi yowotcherera yolumikizana imatalikitsidwa mwachindunji. Ichi ndi chizoloŵezi choipa kwambiri. Mwanjira imeneyi, zolumikizirazo zimakhala ndi concave, zosagwirizana komanso zosagwirizana kumbuyo, zomwe zimakhudza mawonekedwe a kupanga. Mwachitsanzo, ngati ndi aloyi mkulu Zakuthupi amakhalanso sachedwa ming'alu.
Pambuyo kuwotcherera, fufuzani kuti maonekedwe ndi okhutiritsa. Zimitsani magetsi ndi gasi mukachoka.
Nthawi yotumiza: Dec-19-2023
