Ndeapi matanho makuru ekudzikisa CO2 gasi yakadzivirirwa welding spatter?

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1. Kusarudzwa kwakarurama kwemagetsi ekushongedza

(1) Welding current uye arc voltage Mu CO2 gasi yakadzivirirwa welding, padhayamita yega yega yewaya yekutsikisa, pane mumwe mutemo pakati peiyo spatter rate uye welding ikozvino. Muchikamu chepfupi-chekutenderera chenguva diki ikozvino, welding spatter mwero idiki. Mushure mekupinda iyo yakanaka particle transition zone yeazvino, welding spatter mwero idiki zvakare, uye welding spatter mwero ndiyo yakakura munzvimbo yepakati. Kutora waya ine dhayamita ye 1.2 mm semuenzaniso, kana iyo welding ikozvino isingasviki 150A kana yakakura kupfuura 300A, iyo welding spatter idiki, uye pakati pezviviri, welding spatter yakakura. Paunosarudza welding ikozvino, iyo welding ikozvino nzvimbo ine high welding spatter rate inofanira kudziviswa zvakanyanya sezvinobvira, uye iyo yakakodzera arc voltage inofanira kufananidzwa mushure mekunge welding ikozvino yatemwa.

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(2) Welding wire extension urefu: Kureba kwewaya yewelding (kureva kureba kwakaoma) kunewo mhedzisiro pane welding spatter. Iyo yakareba iyo welding wire yekuwedzera kureba, yakakura iyo welding spatter iri. Semuenzaniso, kune waya ine dhayamita ye 1.2mm, kana iyo welding ikozvino iri 280A, kana kureba kwetambo kunowedzera kubva pa20mm kusvika ku30mm, huwandu hwewelding spatter hunowedzera ne5%. Nokudaro, zvinodikanwa kuti kureba kwekuwedzera kwetambo yewelding inofanira kupfupiswa

2. Kuvandudza welding simba sosi

Chikonzero chekupfapfaidza muCO2 gasi yakadzivirirwa welding inonyanya muchikamu chekupedzisira chekuchinja-pfupi, nekuda kwekuwedzera kwakanyanya kweiyo pfupi-circuit ikozvino, iyo yemvura bhiriji simbi inokurumidza kupisa, zvichikonzera kuunganidzwa kwekupisa, uye pakupedzisira, iro remvura zambuko rinoputika kuti ribudise splashes. Tichifunga nezve kuvandudzwa kweiyo welding simba sosi, nzira dzakadai seyakatevedzana yekubatanidza reactors uye resistors, ikozvino switching, uye ikozvino waveform control muwelding welding anonyanya kushandiswa kudzikisa kuputika kwebhiriji remvura uye nekudaro kuderedza welding spatter. Parizvino, thyristor-type wave-controlled CO2 gasi shielded welding machines uye inverter-type transistor-type wave-controlled CO2 gasi shielded welding machines yakashandiswa, uye yakawana kubudirira mukuderedza spatter yeCO2 gasi shielded welding.

3. Wedzera argon (Ar) kune CO2 gasi:

Mushure mekuwedzera imwe argon gasi kune CO2 gasi, iyo yepanyama uye yemakemikari zvinhu zve CO2 gasi zvakachinjwa. Nekuwedzera kweiyo argon gasi reshiyo, iyo welding spatter yakadzikira zvishoma nezvishoma, uye iyo inonyanya kukosha shanduko yekurashikirwa kwespatter yaive apo iyo chidimbu dhayamita yaive yakakura kupfuura 0. 8mm spatter, asi ine zvishoma zvinokanganisa spatter nechidimbu dhayamita isingasviki 0.8mm.

Mukuwedzera, kushandiswa kwegasi rakasanganiswa shielded welding umo argon inowedzerwa kune CO2 gasi inogonawo kuvandudza kuumbwa kweweld. Mhedzisiro yekuwedzera argon kune CO2 gasi pane weld kupinda, fusion hupamhi uye yakasara kureba, ine argon muCO2 gasi. Sezvo gasi rinowedzera, kudzika kwekupinda kunodzikira, hupamhi hwekusanganisa hunowedzera, uye kureba kweweld kunoderera.

4. Shandisa low spatter welding wire

Kune tambo yakasimba, panzvimbo yekuona ma mechanic zvimiro zvejoint, kuderedza kabhoni zvirimo zvakanyanya sezvinobvira, uye zvakakodzera kuwedzera alloying zvinhu zvakaita setitanium nealuminium zvinogona kunyatso kudzikisa welding spatter.

Pamusoro pezvo, kushandisa flux-cored waya CO2 gasi shielded welding inogona kuderedza zvakanyanya welding spatter, uye welding spatter inogadzirwa neflux-cored welding wire inenge 1/3 yeiyo yakasimba-cored welding waya.

5. Kudzora kwewelding torch angle:

Kana iyo welding torch iri perpendicular kune weldment, iyo shoma yakawanda yewelding spatter inogadzirwa, uye iyo yakakura kona yekurerekera, inowedzera spatter. Kana welding, iyo yekurerekera kona ye torch yekubatira haifanirwe kudarika 20º.


Nguva yekutumira: Jun-22-2022