Waldi juyi AN348A

Juyi - a girma abu na sinadaran da ake amfani da su tallafa a matakai na duk iri waldi. Godiya ga shi, da alaka Weld kayan. Daya daga cikin mafi rare iri na kayan ne juyi AN348A.

Me amfani da wannan abu?

Juyi AN348A (Gost 9078-81) da ake amfani a baka waldi. Ya kare da baka da Weld pool daga kufan muhalli dalilai. Bugu da ƙari kuma, juyi ne iya taimaka a cikin aiki da metallurgical welds.

Lokacin da waldi (cladding) juyi rufe waya. Wannan qara thermal yadda ya dace. AN348A juyi amfani a lokacin lantarki waldi, kare da aiki yanki daga iska da kuma sauran gas. Wannan halitta na zama dole yanayi na dace yi na aikin da samar da ilimi ingancin Weld.

Yaya za a nemi

Dawo da da karye kayan aiki da aka gyara na iya zama sau da yawa via waldi. Wannan hanya ba ka damar ceton kudi da kuma lokaci. A tsari ba zai dade. Godiya ga shi, ba lallai ba ne su jira dogon for kayayyakin gyara, wanda dole ne "nan da nan" ya zo.

A lokacin waldi juyi AN348A da waya ana ciyar tare cikin arcing zone. Akwai auku narkewa daga cikin tushe karfe gefuna, wayoyi da kuma juyi. A sakamakon haka, a kumfa a kusa da baka bayyana, kunsha wani karfe gas da kuma juyi abubuwa. By motsi da baka juyi narke yakan zuwa surface na Weld pool. Wannan Forms slag. Wannan shi ne don kare surface daga iska, wanda ba a bukata. Weld mai santsi, high quality-. Bayan da ta cools da slag cake sauƙi cire.

Bayan da sama-da aka bayyana Properties, zai iya kare walda juyi jefarwa daga cutarwa gas da kuma kura.

Juyi AN348A: Bayani dalla-dalla

Wannan abu ne mai hatsi duhu launin ruwan kasa. Su size ne game da 0.35-0.5 ml. Hatsi a cikin tsarin kama guda na gilashi. Su girma yawa ne a cikin kewayon 1.3-1.8 kg / DM ^3. Lokacin amfani da kayan da ya kamata a bushe yanayin. Idan shi ba, shi dole ne ko da yaushe su zama a bushe. A saboda wannan dalili, shi ya bushe da sa'a guda, a + 300-400 ⁰ C.

Daya daga cikin mafi muhimmanci halaye ga fluxes ne su reactivity. A AN348A wannan darajar ne a cikin kewayon 0.7-0.75 Af. Wannan yana nufin cewa juyi AN348A da dangantaka da sosai aiki category. A lokacin da waldi tsari ta amfani da kayan rarrabe radiative watsi, da darajar wanda yayi dace da kafa norms nagartacce (ba fiye da 18 Mr / hr).

A juyi abun da ke ciki ya hada da silicon oxides (har zuwa 44% na jimlar girma daga cikin abu), manganese (har zuwa 38%), alli (har zuwa 12%), magnesium (har zuwa 7%), aluminum (har zuwa 13%), da baƙin ƙarfe (har zuwa 2.2 %). Bugu da kari, akwai sulfur da phosphorus. Har ila yau, ya ƙunshi waje barbashi wanda ya kasance a cikin kayan a lokacin da masana'antu tsari (kamar kwal sharan, coke, graphite, karfe kwakwalwan kwamfuta, da dai sauransu).

AN348A juyi za a iya amfani da su a yanayi daban-daban da kuma mai fadi da kewayon na yanayi yanayin zafi. An ba da shawarar yin amfani da shi a Arewa a sosai low yanayin zafi (a kasa -30 ⁰ C).