Siffar baka waldi droplet wuce haddi

Dangane da sigogin walda daga ƙanana zuwa babba, su ne: gajeriyar tsaka-tsaki, canjin droplet, canjin fesa.
1. Canjin gajeren lokaci

Narkar da digo a ƙarshen lantarki (ko waya) yana cikin ɗan gajeren lokaci tare da narkakken tafkin. Saboda tsananin zafi mai ƙarfi da ƙanƙanwar maganadisu, yana karyewa kai tsaye zuwa ga narkakken tafkin. Wannan ana kiransa gajeriyar kewayawa.

Short-kewaye miƙa mulki na iya cimma barga karfe droplet miƙa mulki da barga waldi tsari a karkashin low-ikon baka (ƙananan halin yanzu, low baka ƙarfin lantarki). Sabili da haka, ya dace da walƙiya faranti na bakin ciki ko walda tare da shigar da ƙarancin zafi.

Siffofin da aka cimma su ne: halin yanzu walda bai wuce 200A ba

Kayan aikin walda na Xinfa yana da halaye masu inganci da ƙarancin farashi. Don cikakkun bayanai, da fatan za a ziyarci:Welding & Yanke Manufacturers - China Welding & Yanke masana'anta & Suppliers (xinfatools.com)

2. Canjin juzu'i (juyin juzu'i)

Lokacin da tsayin baka ya wuce wani ƙima, za a iya ajiye narkakken ɗigon ruwa a ƙarshen lantarki (ko waya) don girma cikin yardar kaina ta hanyar aikin tashin hankali. Lokacin da ƙarfin da ke haifar da narkakkar digo (kamar nauyi, ƙarfin lantarki, da sauransu) ya fi girma tashin hankali, narkakken ɗigon zai bar na'urar (ko waya) kuma ya koma cikin yardar rai zuwa tafkin narkakkar ba tare da gajeriyar kewayawa ba. kamar yadda aka nuna a hoto na 4.

Za'a iya raba nau'in canjin digo zuwa ɗigon ɗigon ruwa mai ƙaƙƙarfan juzu'i da kyakkyawan canjin digo. Matsakaicin ɗigon ɗigon ruwa shine nau'in da narkakken ɗigon ruwa ya juya cikin yardar kaina zuwa ga narkakken tafki a cikin nau'i na ƙananan barbashi. Tun da m droplet miƙa mulki yana da manyan splashes da m baka, shi ne ba kyawawa ga waldi aiki.

A lokacin aikin walda, girman digo na narkakkar yana da alaƙa da halin yanzu na walda, da abun da ke tattare da wayar walda, da abun da ke ciki.

Sharuɗɗan tabbatarwa sune: walda na yanzu 200-300A (100% CO2), gauraye mai arzikin argon 200-280A.

3 Canjin fesa (wanda kuma ake kira canjin jet)

Siffar da narkakkar ɗigon ruwa ke cikin nau'i mai kyau kuma da sauri ya wuce ta sararin baka zuwa wurin narkakkar da ke cikin yanayin fesa ana kiransa canjin yanayi. Girman narkakken ɗigon ruwa yana raguwa tare da haɓakar halin yanzu na walda.

Lokacin da tsayin baka ya kasance akai-akai, lokacin da halin yanzu waldi ya ƙaru zuwa wani ƙima, yanayin canjin feshi ya bayyana. Ya kamata a jaddada a nan cewa ban da wani nau'i na yanzu, dole ne a buƙaci wani tsayin baka (arc voltage) don samar da canjin feshi. Idan ƙarfin ƙarfin baka ya yi ƙasa sosai (tsawon baka ya yi gajere), komai girman darajar yanzu, ba shi yiwuwa a samar da canjin feshi.

Halayen fesa miƙa mulki ne m narkakkar digo, high miƙa mulki mita, narkakkar droplets motsi zuwa ga narkakkar pool a wani babban gudun tare da axial shugabanci na waldi waya, kuma suna da abũbuwan amfãni daga barga baka, kananan spatter, babban shigar azzakari cikin farji, kyau weld. samuwar, da kuma babban samar da inganci.