A cikin walding welding, wace irin hanyar hurawa za mu iya zaba, yadda za a zabi ƙa'idar iskar gas?
1) hancin hanya
A halin yanzu akwai hanyoyi guda biyu na hurawa gas mai kariya: daya shine gefen parpox gefen da aka yi haske mai haske, kamar yadda aka nuna a hoto 1; Sauran shine gas mai kariya na coaxial, kamar yadda aka nuna a hoto na 2.
Yadda za a zabi hanyoyin hurawa guda biyu shine cikakkiyar fahimta da yawa. Gabaɗaya, ana bada shawara don amfani da gefen iskar gas mai kariya.
2) Ka'idojin hurawa
Da farko dai, yana buƙatar bayyana a sarari cewa abin da ake kira 'oxidation ' na Weld ne kawai gama gari. A ka'idar, yana nufin cewa sunadarai dauki tsakanin weld da munanan abubuwa a cikin iska yana haifar da lalacewar wald. Yana amsa kimantawa tare da oxygen, nitrogen da hydrogen a cikin iska.
Don hana weld daga kasancewa 'oxidized ' shine rage ko kauce wa lambar irin wannan cutarwa tare da weld karfe a babban zazzabi. Aikin karfe ya karfafa ƙasa da yawan zafin jiki ya sauka a ƙasa wani zazzabi a tsawon lokaci.
Binciken Case
Misali, titanium Alloy walda na iya welding da sauri sha da sauri sama da 300 ° C, don haka in ji titanium seld Weld sosai, don haka ba da sauri sha da nitrogen da sauri suna buƙatar su duka waɗannan matakai masu zuwa, don haka ba da sauri za a iya ba da kariya ga is oxygen lokacin da suke buƙatar oxygen ba, don haka za a iya amfani da iskar oxygen lokacin da suke buƙatar oxygen lokacin da yake buƙatar oxygen lokacin da yake buƙatar oxygen lokacin da yake buƙatar oxygen lokacin da yake buƙatar oxygen lokacin da yake buƙatar oxygen lokacin da yake buƙatar oxygen lokacin da yake buƙatar oxygen lokacin da yake buƙatar 'yan ƙasa da sauri, don haka za su kasance da sauri. 'Oxidized '.
Yana da wuya a fahimta daga bayanin da ke sama cewa blown garken mai ba kawai don kare yankin da aka ba da kariya daga cikin Hoto na COALE A HALITTA A CIKIN SAUKI 2, musamman ga yankin da Weld ya karfafa kawai.
Don aikace-aikacen injiniya, ba duk samfuran za su iya amfani da gas-ƙafar ƙoshin ƙwararraki ba. Don wasu takamaiman samfuran, ana iya amfani da gas mai kariya na coaxial kawai. Musamman, yana buƙatar yanke shawara daga tsarin samfurin da tsarin haɗin gwiwa. zabin niyya.
1. Zabi na takamaiman hanyoyin iskar gas mai kariya
1) madaidaiciya layin weld
Idan weld seam siffar samfurin madaidaiciya, haɗin gwiwa na iya zama butt hadin, lap hadin gwiwa, kusurwar mata hadin gwiwa ko lap hadin gwiwa. Don wannan nau'in samfurin, yana da kyau a yi amfani da hanyar kare gas na gefen-axis gefen humba.
2) jirgin sama rufe welds
Idan sifar weld seam na samfurin shine wani tsari na rufin kamar yadda kewayen jirgin, da sauransu, da duk kayan haɗin gwiwa na iya zama gas na kare gas. hanya ce mafi kyau.
2. Kammalawa
Zabi na kare kai tsaye yana shafar inganci, inganci da kuma farashin samar da walda. Koyaya, saboda bambancin kayan walda, zaɓi na gas na walda yana da rikitarwa a cikin tsarin walwala. Wajibi ne a zurfafa ayyukan walding, hanyoyin waldi, masu walda da ake buƙata ana iya zabe ta hanyar gwajin waldi don cimma sakamako mai kyau. Idan kuna da tambayoyi game da Laser Welding bututun masana'antu a mirgine da kuma samar da injin , da fatan tuntuɓi Hangao (Seko) ƙungiyar don musayar da tattaunawa.
