Da farko, farfajiyar madaidaicin madaidaicibututun tagullazai samar da wani Layer na kariya mai ƙarfi, ko da maiko ne, carbohydrates, ƙwayoyin cuta da ƙwayoyin cuta, ruwa mai cutarwa, oxygen ko hasken ultraviolet, ba zai iya wucewa ta cikinsa ba, kuma ba za a iya gurɓata shi ya ƙazantar da ingancin ruwa ba, kuma ƙwayoyin cuta ba za su iya wucewa ta cikinsa ba.Ba zai iya zama saman bututun jan karfe don tausasa su ba.Babban madaidaicin bututun tagulla sun fi bututun filastik wuya, sun fi sassauƙa fiye da ƙarafa na yau da kullun, masu sauƙin sarrafawa, kuma suna da takamaiman juriyar sanyi.Babban madaidaicin bututun tagulla yana da juriya mai ƙarfi, wanda ke tabbatar da cewa zai iya kula da kyakkyawan aiki ko da a ƙarƙashin babban matsin lamba ba tare da nakasawa ko fashewa ba.
Hanyar waldawar tagulla ita ce waldar gas gabaɗaya, waya walda tagulla, borax.Kula da girman harshen wuta lokacin walda.Da farko a yi amfani da waldar gas don ƙone bututun jan ƙarfe.A wannan lokacin, kula da harshen wuta mai launin shuɗi a tsakiyar lokacin daidaitawar harshen wuta, kuma daidaita shi zuwa tsayi mai tsayi, in ba haka ba zafin jiki zai yi girma idan gajere ne.Ƙara borax, kuma ƙara waya walda tagulla bayan borax ya narke.
Matakan Sayar da Brass
1. A lokacin aikin walda, koyaushe kiyaye harshen wuta da ke rufe gidajen don hana iska daga shiga;
2. Za a bushe juyi, kuma danshin zai ƙafe a 100 ° C, kuma ruwan zai zama fari madara.
3. Flux zai yi kumfa a 316 ° C.
4. Flux ya zama manna a 427°C
5. Juyin ya zama ruwa a 593 ° C, wanda ke kusa da zafin jiki na brazing.
6. Solder mai ɗauke da 35% -40% azurfa yana narkewa a 604°C kuma yana gudana a 618°C.
7. Lura cewa samfurin biyu da za a yi wa walda dole ne a yi zafi da fitilar walda.
8. Kuna iya lura ko zafin jiki ya dace da launi na harshen wuta.Lokacin da zafin jiki ya kai zafin brazing, harshen wuta zai bayyana kore, kuma koren harshen wuta zai nuna cewa zafin jiki ya dace lokacin da ya kai zafin walda na azurfa.
9. Don walda bututun tagulla da bututun ƙarfe da juna, dole ne a fara dumama bututun tagulla (saboda bututun jan ƙarfe yana yin zafi da sauri kuma yana buƙatar zafi mai yawa).
10. A lokacin aikin brazing, fitilar walda bai kamata ta tsaya a lokaci ɗaya ba, amma ana iya motsa shi cikin siffar siffa takwas.
11. An ba da shawarar yin amfani da babban tocila, don haka za a iya samun babban adadin zafi tare da harshen wuta mai laushi ba tare da matsananciyar matsa lamba ba ko "busa", zai fi dacewa tare da ɗan ƙaramin haske a kan harshen wuta na ciki.
Lokacin aikawa: Mayu-12-2023