Elekitirodi kwenikweni ndi waya wachitsulo wokutidwa ndipo nthawi zambiri uyenera kupangidwa kuchokera ku zinthu zofanana ndi chitsulo chomwe chikulumikizidwa, ndipo pali zinthu zingapo zomwe zimapangitsa kuti pakhale kusankha elekitirodi yoyenera pa ntchito yanu.
Ngakhale ma electrode otchingidwa ndi zitsulo (SMAW) kapena "stick" amatha kugwiritsidwa ntchito ndipo amakhala mbali ya weld, ma electrode ena (monga omwe amagwiritsidwa ntchito pothira TIG) sagwiritsidwa ntchito, zomwe zikutanthauza kuti sasungunuka ndipo amakhala mbali ya weld. Kulekanitsa msoko, pazochitika izi, kugwiritsa ntchito electrode ndikofunikira.
Ife a Eng-weld tikudziwa kuti kusankha electrode yoyenera ndikofunikira kwambiri pa mphamvu ya weld, ubwino wa weld, kuchepetsa kutayikira kwa madzi ndi kuyeretsa.
Ma electrode a cellulose ndi ma electrode olumikizirana omwe amakutidwa ndi chidebe chokhala ndi zinthu zachilengedwe. Nthawi zambiri pafupifupi 30% ya kulemera kwa chophimbacho ndi cellulose, koma m'madera ena a dziko lapansi cellulose ndi ufa wa matabwa zitha kuwonjezeredwa ku chophimbacho kuti zichepetse kuchuluka kwa cellulose.
Mankhwala osiyanasiyana achilengedwe omwe ali mu ma electrode amawola mu arc kuti apange carbon dioxide, carbon monoxide ndi hydrogen, zomwe zimawonjezera mphamvu yamagetsi mkati mwa arc, zomwe zimapangitsa kuti arc ikhale yolimba komanso yolimba. Chifukwa chake, ma electrode a cellulose amatha kulowa mozama mpaka 70% kuposa ma electrode ogwirizana omwe ali ndi current rating yomweyo.
Kawirikawiri imapangidwa ndi utoto woonda kapena wapakatikati, ngakhale kuti izi zimapangitsa kuti pakhale matope omwe angachotsedwe pambuyo poti njira yowotcherera yatha, izi zitha kubweretsa kutayika kwakukulu kwa madzi. Komabe, mphamvu yowotcherera yoyimirira pansi komanso mphamvu yolowera ya electrode iyi ndi yabwino kwambiri chifukwa cha kudzaza mipata mu utoto.
Ma electrode otsika a haidrojeni kwenikweni ndi cholumikizira cha gas shielded arc (SMAW) chomwe chimatha kugwiritsidwa ntchito ndi madzi ochepera 0.6% poyerekeza ndi madzi achikhalidwe a 4-6% a ma electrode a cellulosic.
Kawirikawiri, ma electrode otsika a haidrojeni monga electrode ya ndodo ya E7018 imapatsa ogwiritsa ntchito madzi ochepa komanso arc yosalala, yokhazikika komanso chete. Makhalidwe amenewa amapangitsa ma electrode awa kukhala chisankho chabwino kwambiri kwa owunda odziwa bwino ntchito komanso oyamba kumene. Makhalidwe a ma electrode achitsulo odzaza awa amapatsa wowunda mphamvu yowongolera bwino arc ndikuchepetsa kufunikira koyeretsa pambuyo pa weld.
Mosiyana ndi ma electrode ena monga E6010 kapena E6011, ma electrode otsika a haidrojeni amapereka malo abwino kwambiri oikamo ndi kulowa, zomwe zimathandiza wowotcherera kuwonjezera chitsulo chochulukirapo pa cholumikizira nthawi iliyonse, zomwe zimapangitsa kuti mphamvu ya wotchiyo ikhale yolimba komanso kupewa zolakwika monga kusowa kwa kulowa.
Kawirikawiri, ma electrode achitsulo chofatsa amapereka arc chete komanso yokhazikika yokhala ndi kulowa kochepa, zomwe zimapangitsa kuti akhale abwino kwambiri polumikiza mipata yayikulu komanso kugwiritsa ntchito pepala lopyapyala. Komabe, pali mitundu yosiyanasiyana ya ma electrode achitsulo chofatsa, iliyonse ili ndi mawonekedwe osiyana pang'ono motero ndi yoyenera kugwiritsa ntchito zosiyanasiyana.
Mwachitsanzo, giredi 6013 ndi electrode yachitsulo chopepuka yomwe imagwira ntchito mozama komanso mosasunthika. Arc ndi yosavuta kuikonzanso, msoko wowotcherera ndi wokongola, madzi ake ndi ochepa, slag ndi yosavuta kulamulira, yoyenera kuwotcherera molunjika.
Komano, electrode ya 7018 arc ndi electrode yachitsulo chofewa yopangidwira kuwotcherera zinthu zachitsulo cha kaboni champhamvu kwambiri. Electrode iyi nthawi zambiri imagwiritsidwa ntchito kuwotcherera kapangidwe kake chifukwa cha kukana kwa ming'alu ya weld. Koma izi zimapangitsa kuti pakhale slag yambiri, yomwe si yoyenera kuwotcherera pansi molunjika.
Elekitirodi yomaliza yachitsulo chofewa yomwe tiwona ndi 6011. Elekitirodi yofewa yozama iyi imapereka arc yosalala komanso yokhazikika polumikiza chitsulo chofewa chopangidwa ndi galvanized ndi zitsulo zina zotsika. Kuphimba kwake kumapanga arc yamphamvu yofewa yozama, ndipo wosanjikiza wa slag ndi woonda komanso wosavuta kuchotsa.
Monga ma electrode ena omwe tawaona pamwambapa, ma electrode achitsulo chosapanga dzimbiri amabwera m'mitundu ingapo, iliyonse yosiyana pang'ono ndi yakale.
Apa tikuyang'ana mitundu itatu yosiyanasiyana ya ma electrode achitsulo chosapanga dzimbiri, 308, 309 ndi 316, ndi nthawi yowagwiritsa ntchito.
Ngati mukugwiritsa ntchito ma grade 301, 302, 304, 305 ndi ma alloys a casting CF-3 ndi CF8, ndiye kuti tikukulangizani kuti mugwiritse ntchito 308L, kuphatikiza ma electrode a ER308LSi. Ma electrode achitsulo chosapanga dzimbiri awa ndi abwino kwambiri pazitsulo zosapanga dzimbiri za austenitic, koma pa ntchito monga kupanga magetsi, tikukulangizani ma electrode a 308H chifukwa ma electrode a carbon ambiri awa amapereka kukana kwabwino kwa creep pa kutentha kwambiri.
Mukalumikiza zitsulo zofewa kapena zitsulo zofewa ku zitsulo zosapanga dzimbiri, gwiritsani ntchito 309L, kuphatikizapo ER309LSi. Izi zikugwiranso ntchito polumikiza zitsulo zosiyanasiyana zosapanga dzimbiri monga 409 kapena 304L zosapanga dzimbiri. Kuphatikiza pa izi, ziyeneranso kugwiritsidwa ntchito polumikiza zitsulo zoyambira 309.
Pogwiritsa ntchito zitsulo zoyambira 316L ndi 316 ndi zofanana nazo monga CF-8m ndi CF-3M, 316L yokha ndiyo iyenera kugwiritsidwa ntchito ngati zitsulo zodzaza, kuphatikizapo ER317LSi.
Ma 308L ena amatha kusintha 309L ngati chitsulo chodzaza chifukwa safuna molybdenum mosiyana ndi ma 316 kapena 316L omwe amafunikira molybdenum kotero simungathe kusintha 309 ndi 316.
Monga taonera pamwambapa, pali mitundu yosiyanasiyana ya ma electrode omwe alipo. Iliyonse ya iwo ili ndi makhalidwe osiyana pang'ono ndipo motero ili ndi mawonekedwe osiyana pang'ono komanso apadera. Mukagwira ntchito iliyonse yokonza ndi kukonza, muyenera kusamala kuti ma electrode omwe agwiritsidwa ntchito ali ndi makhalidwe ofunikira.
Choyamba, dziwani mtundu wa chitsulo chomwe mukukonza kapena kukonza. Kenako muyenera kusankha ngati mukufuna electrode yogwiritsidwa ntchito kwambiri kapena electrode yokhala ndi zinthu zapadera. Mukakhala ndi chidziwitso chonsechi mutha kuyamba kusoka, ngati simugwiritsa ntchito ma electrode olakwika, solder yanu ingalephereke kapena mungangoyaka chitsulo chomwe mukugwiritsa ntchito.
Журнал Production & Engineering, сокращенно MEM, является ведущим инженерным журналом Великобритании источником производственных новостенных новостенных новостенных zojambulajambula, zojambulajambula, zojambulajambula: контрактное производство, 3D-печать, структурное и гражданское строителькарокаство, автомоников, техника, морская техника. Magazini ya Manufacturing & Engineering, MEM mwachidule, ndi magazini yotsogola kwambiri ya uinjiniya ku UK komanso gwero la nkhani zopangira zomwe zimafalitsa nkhani zosiyanasiyana zamakampani monga kupanga mapangano, kusindikiza kwa 3D, uinjiniya wa zomangamanga ndi zomangamanga, magalimoto, ndege, ndi zapamadzi., Kapangidwe ka njanji, kapangidwe ka mafakitale, CAD ndi kapangidwe ka schematic.