Kutalika kouma
Kuyenda kwa mpweya L = [(10-12)d] L/mphindi
Kutalika kwa waya wotulutsa mpweya wotulutsa mpweya ndi kutalika kwa elongation youma. Fomula yodziwika bwino ndi nthawi 10-15 kuposa waya wa L = (10-15) d. Pamene muyezo uli waukulu, umakhala waukulu pang'ono. Mafotokozedwe ake ndi ang'onoang'ono, ocheperako pang'ono.
Kutambasula kouma kwa nthawi yayitali: Pamene kutalika kwa waya wowotcherera kwatalika kwambiri, kutentha kwa waya wowotcherera kumakhala kwakukulu, liwiro la kusungunuka kwa waya wowotcherera limathamanga kwambiri, zomwe zingayambitse mosavuta waya wowotcherera kusakanikirana m'magawo, kugawanika, kusungunuka kwakuya, ndi kuyaka kosakhazikika kwa arc. Nthawi yomweyo, mphamvu yoteteza mpweya si yabwino.
Kuuma kwafupikitsa kwambiri: kosavuta kutentha nozzle yoyendetsa. Nthawi yomweyo, nozzle yoyendetsa imakhala yosavuta kutseka waya ikatentha. Ma splashes nthawi zambiri amatseka nozzle ndikusungunuka kwambiri.
Gome 1 Kugwirizana pakati pa kutalika kwa magetsi ndi kouma
| Kuwotcherera kwa magetsi (A) | ≤200A | 200-350A | 350-500A |
| Kutalika kouma (mm) | 10-15mm | 15-20mm | 20-25mm |
Kuyenda kwa mpweya
Kuyenda kwa mpweya L = [(10-12)d] L/mphindi
Kukula kwambiri: kumayambitsa kugwedezeka, zomwe zimayambitsa kulowa kwa mpweya ndi ma pores, makamaka pazinthu zomwe zimakhudzidwa ndi mpweya (monga aluminiyamu, ma magnesium alloys, ndi zina zotero, zomwe nthawi zambiri zimakhala ma pores amkati)
Kakang'ono kwambiri: chitetezo chochepa cha mpweya (mungatchule malire a zinthu, zomwe zikutanthauza kuti palibe mpweya woteteza, ndipo ma pores ofanana ndi uchi amatha kuonekera).
Liwiro la mphepo silimakhudzidwa pamene ≤2m/s.
Njira ziyenera kuchitidwa pamene liwiro la mphepo ndi ≥2m/s.
① Wonjezerani kuchuluka kwa mpweya womwe umayenda.
② Chitani zinthu zoteteza mphepo.
Dziwani: Mpweya ukatuluka, mabowo a mpweya adzawonekera pa cholumikizira. Malo otulutsira mpweya ayenera kusamalidwa ndipo sangawonjezeredwe powonjezera kuchuluka kwa madzi. Palibe njira yokonzera mabowo a mpweya popanda kuwachotsa. Adzangosungunuka kwambiri.
Mphamvu ya Arc
Pamene makulidwe a mbale zosiyanasiyana, malo osiyanasiyana, mafotokozedwe osiyanasiyana, ndi mawaya osiyanasiyana olumikizirana, mphamvu zosiyanasiyana za arc zimasankhidwa.
Chachikulu kwambiri: phiri lolimba, phiri lalikulu.
Kakang'ono kwambiri: mkombero wofewa, kupopera pang'ono.
Mphamvu yokakamiza
Kuthina kwambiri: Waya wowotcherera ndi wosokonekera, njira yolumikizira waya ndi yosakhazikika, ndipo n'zosavuta kuyambitsa kutsekeka kwa waya ndikuwonjezera kukhetsa madzi.
Kutayirira kwambiri: Waya wowotcherera umatsetsereka, waya umatumizidwa pang'onopang'ono, chowotcherera chimakhala chosakhazikika, ndipo chingayambitsenso kuphulika.
Mphamvu yamagetsi, mphamvu yamagetsi
Fomula yoyesera ya ubale pakati pa mphamvu yamagetsi ndi mphamvu ya magetsi yoteteza mpweya: U=14+0.05I±2
Mphamvu yolumikizira iyenera kusankhidwa bwino kutengera makulidwe a maziko, mawonekedwe olumikizirana ndi kukula kwa waya. Pakusintha kwafupipafupi, yesani kusankha mphamvu yaying'ono pamene mukuonetsetsa kuti magetsi akulowa, chifukwa mphamvu ikakhala yayikulu kwambiri, zimakhala zosavuta kupangitsa kuti dziwe losungunuka lizungulire, sikuti limangotulutsa madzi ambiri, komanso kuti chimbudzicho chikhale chofooka kwambiri.
Voliyumu yolumikizira iyenera kupanga mgwirizano wabwino ndi mphamvu yamagetsi. Voliyumu yolumikizira imakhala yokwera kwambiri kapena yotsika kwambiri, zomwe zingayambitse kuphulika. Voliyumu yolumikizira iyenera kuwonjezeka ndi kuchuluka kwa mphamvu yamagetsi yolumikizira ndipo iyenera kuchepa ndi kuchepa kwa mphamvu yamagetsi yolumikizira. Voliyumu yoyenera yolumikizira nthawi zambiri imakhala pakati pa 1-2V, kotero voltage yamagetsi iyenera kusinthidwa mosamala.
Mphamvu yamagetsi ndi yayikulu kwambiri: kutalika kwa arc ndi kochepa, kupopera ndi kwakukulu, kumva ngati dzanja lapamwamba, kutalika kotsalako ndi kwakukulu kwambiri, ndipo mbali ziwirizi sizikugwirizana bwino.
Mphamvu yamagetsi ndi yokwera kwambiri: arc ndi yayitali, madzi otuluka ndi akulu pang'ono, mphamvu yamagetsi ndi yosakhazikika, kutalika kotsalako ndi kochepa kwambiri, cholumikizira ndi chachikulu, ndipo arc imayaka mosavuta.
Zotsatira za liwiro la kuwotcherera mwachangu pa kuwotcherera
Liwiro la kuwotcherera limakhudza kwambiri ubwino wa mkati ndi mawonekedwe a chowotcherera. Ngati magetsi amagetsi ali osasintha:
Liwiro la kuwotcherera ndi lachangu kwambiri: kuya kwa kusungunuka, m'lifupi mwa kusungunuka, ndi kutalika kotsala kumachepa, zomwe zimapangitsa kuti zikhale ngati mkanda wozungulira kapena wozungulira, ndipo zala zikuluma mnofu. Liwiro la kuwotcherera likakhala lachangu kwambiri, mphamvu yoteteza mpweya imawonongeka ndipo ma pores amapangidwa mosavuta.
Nthawi yomweyo, liwiro lozizira la chitsulo chowotcherera lidzafulumizitsidwa moyenerera, motero kuchepetsa kulimba ndi pulasitiki ya chitsulo chowotcherera. Zidzapangitsanso kuti m'mphepete muwonekere pakati pa chowotcherera, zomwe zimapangitsa kuti chikhale chosalimba.
Liwiro la kulowetsa madzi ndi lochedwa kwambiri: dziwe losungunuka limakula, mkanda wolowetsa madzi umakhala wokulirapo, ndipo zala za kulowetsa madzi zimadzaza. Mpweya womwe uli mu dziwe losungunuka umatuluka mosavuta chifukwa cha liwiro losungunuka pang'onopang'ono. Kapangidwe ka chitsulo ka dziwe losungunuka ndi kokhuthala kapena kopsereza chifukwa cha kutentha kwambiri.
Posankha magawo a welding, zinthu zotsatirazi ziyenera kutsatiridwa: welding ndi yokongola ndipo ilibe zolakwika monga kuyaka, kudula, ma pores, ming'alu, ndi zina zotero. Kuzama kwa kusungunuka kumayendetsedwa mkati mwa malo oyenera. Njira yowelding ndi yokhazikika ndipo madzi amatuluka pang'ono. Panali phokoso la phokoso panthawi yowelding. Nthawi yomweyo, phindu lalikulu liyenera kupezedwa.
Nthawi yotumizira: Mar-10-2025