Argon waldi na aluminum: menene matsaloli

Tambayar hanyoyin mafi kyawun samfurori na kayan haɓaka daga aluminum a cikin tsabta da kuma nau'o'i daban-daban yana da matukar dacewa dangane da aikace-aikacen su. Argon waldi na aluminum an dauke su daya daga cikin fasaha mafi yawan. Yawanci welded netermouprochnyaemye deformable aluminum gami ga abin da fasaha aluminum (alamomi AD AD1) dangane da aluminum gami da manganese (AMts), aluminum da magnesium (AlMg). Irin waɗannan allo, yafi yawa, suna da wuya a weld. Saboda haka, ana amfani da su idan magani zai iya yiwuwa don tsarin.

Alumina kafa tsaurin fim a kan surface na workpiece (Tm Al ₂ Ya ₃ = 2050 ° C), da ciwon mafi girma yawa fiye da da karfe kanta. Lokacin da aka lalata kayan cinikin oxide, ƙwayoyinsa sun lalata wanka mai laushi, suna karfafa haɗin da ke gefuna. Saboda haka argon waldi na aluminum ne fin bayan inji oxide kau ko etching tushe da kuma filler karafa. Ƙarin matsalolin da aka haifar ta haifar da bambanci tsakanin maɓallin narkewar Al (Tm = 660 ° C) da oxide.

Lokacin da wani argon waldi da wadanda ba consumable tungsten lantarki na aluminum, wani alternating halin yanzu yana amfani. A wannan yanayin, fim din mai laushi ya rushe a cikin rabin lokaci na baya baya, lokacin da aka raba 70% na arc zuwa wutar lantarki da kuma 30% zuwa samfurin (ƙwaƙwalwar cathode yana faruwa).

Rashin ƙarfin karfe yana ragewa sosai a yanayin zafi, wanda zai iya haddasa ɓangaren gefen gefuna a ƙarƙashin nauyin wanka mai wanke. Karuwan narke daga ƙarƙashinsu Al qara da alama na yayyo daga tushen da Weld. Don hana konewa da haɗuwar haɗin gwiwa, idan an yi gyare-gyaren argon, fasaha zai iya samar da damar amfani da yumbu (graphite, steel) linings. Ana yin wannan ta hanyar wallafa wani ƙarfe guda ɗaya ko ƙananan layuka na weld.

Ƙara ƙaruwa na allon aluminum zuwa kayan yaki za a iya rinjayar ta hanyar waldawa a yanayin yanayi mafi kyau da kuma dumama sassa da aka haɗa. Ana bayyana yanayin bayyanar gashin girasar da aka samu a cikin allo da magnesium, ta hanyar dumama zuwa T = 150-250 ° C kafin da kuma lokacin waldawa, da kuma tsaftace tsaftace gefuna da waya. Don kauce wa ƙananan zafi, kada a sanya sassan kusa da juna. Haka kuma yana yiwuwa don ƙara ingantaccen gyaran gyare-gyaren haɓaka zuwa karfe.

Arding walƙiya na aluminum ya ƙunshi amfani da wani magungunan ƙwayar cuta mai karewa daga wani iskar gas wanda ba ta da ingancin argon, wanda ke cire iska daga iska mai kwakwalwa da kuma arc plasma. Ana iya amfani da Ar (mafi girma ko farko). Wani zabin shine helium, cakuda helium da argon, amma sai an kara yawan amfani da gashin garkuwar.

Diamita nonconsumable tungsten lantarki (sai dai da tsarki, ko amfani da lanthanised ittrirovannye) aka zaba dangane da samfurin kauri. A matsayin kayan kayan filler shine nau'i mai ladabi na nau'i daban-daban, wanda ya dogara da abun da ke ciki na babban samfurin da kuma kauri daga gefuna. High quality-argon waldi hannuwansu za a iya yi a kan wani alternating halin yanzu (UDG irin shigarwa) tare da zama dole halaye, wanda aka zaba wani gogaggen walda. Masu farawa ya kamata su fara fahimtar kansu da litattafan wallafe-wallafe, waɗanda ke nuna alamomi da nuances na walƙiya.