{"id":1308,"date":"2023-03-26T18:26:43","date_gmt":"2023-03-26T15:26:43","guid":{"rendered":"https:\/\/dqs.uz\/?p=1308"},"modified":"2026-02-20T18:55:53","modified_gmt":"2026-02-20T13:55:53","slug":"abrazivostrujnaya-ochistka","status":"publish","type":"post","link":"https:\/\/dqs.uz\/uz\/2023\/03\/26\/abrazivostrujnaya-ochistka\/","title":{"rendered":"ABRAZIV OQIMLI TOZALASH"},"content":{"rendered":"

Metall konstruksiyalarni zangdan qum oqimi bilan tozalash (korroziyaga qarshi himoya, bo\u2018yashdan oldin sirtni tayyorlash)\u00a0<\/strong><\/p>\n

Metall konstruksiyalarni zangdan qum oqimi bilan tozalash (korroziyaga qarshi himoya, bo\u2018yashdan oldin sirtni tayyorlash) Metall konstruksiyalarga lak-bo\u2018yoq materiallarini surtish - bu ma\u2019lum bir harakatlar algoritmi va juda murakkab jarayon bo\u2018lib, bilim, kasbiy tayyorgarlik va maxsus jihozlarni talab qiladi. Birinchi navbatda yuzani tayyorlash kerak. Sirtni tayyorlashning eng samarali usuli metallni abraziv oqimli tozalash, uni odatda qum oqimi deb atashadi. ...da<\/p>\n

Metall, g\u2018isht va betonga qum oqimi bilan ishlov berish texnologiyasi<\/strong><\/p>\n

\"\"<\/p>\n

Metallni abraziv oqimli (qum oqimli) tozalash printsipi yuzani abraziv bilan shikastlashdan iborat bo\u2018lib, u keraksiz qatlamlarni, zangni, kuyindini olib tashlaydi, yuzaga g\u2018adir-budurlik (profil) beradi va uni keyinchalik korroziyaga qarshi qoplamalarni qo\u2018llashga tayyorlaydi. Bunda abraziv zarrachalar siqilgan havo yoki suyuqlik ta\u2019sirida (gidroabraziv usulda) purkaladi<\/p>\n

Qum oqimli tozalash usulini qo\u2018llash maxsus ko\u2018nikmalarni va to\u2018liq tashkil etilgan sifat nazorati tizimini talab qiladi. Yopiq joylarda ishlashda xavfsizlikni ta\u2019minlash maqsadida abraziv oqimli ishlarni bajarish zonasida oqim-so\u2018rish tizimi albatta mavjud bo\u2018lishi kerak. Odamlar to\u2018g\u2018ri jihozlangan va shaxsiy himoya vositalari bilan ta\u2019minlangan bo\u2018lishi kerak.<\/p>\n

Sig\u2018imlar va rezervuarlarga qum oqimi bilan ishlov berish yanada yuqori darajadagi xavfsizlik bilan ajralib turadi, chunki iqlim parametrlarini (namlik, harorat, shudring nuqtasi) nazorat qilish bilan yopiq yoki yarim yopiq konturli yuzaga ishlov beriladi.<\/p>\n

Metallni abraziv oqim bilan tozalashning afzalliklari<\/strong><\/p>\n

Purkovchi abraziv ishlov berish yordamida metall yuzasidagi eski qoplama, zang, mog\u2018or, kuyindi olib tashlanadi, konstruksiyalar qurumdan tozalanadi. Beton yuzalardan sement suti olib tashlanadi, kerakli g\u2018adir-budurlik beriladi.<\/p>\n

Yuzani abraziv oqim bilan tozalash turli sohalarda, shu jumladan yog\u2018och yoki g\u2018isht konstruksiyalarga dekorativ ishlov berish usuli sifatida ham qo\u2018llaniladi. Tozalash effektidan tashqari, qum oqimi bilan ishlov berish qoplamalarning ishlash muddatini uzaytiradi. Bu esa konstruksiyalardan foydalanish muddatini yanada uzaytirish va kelgusida ta\u2019mirlash-montaj ishlarini tejash imkonini beradi.<\/p>\n

Yuzani abraziv oqimli yoki qum oqimli ishlov berish yuzani tayyorlashning eng texnologik va narx va sifat jihatidan eng maqbul usuli bo\u2018lib, bu cho\u2018tkalar yoki bolgarkalardan foydalangan holda mexanik tozalashga nisbatan uni professional va ommabop qiladi.<\/p>\n

Bundan tashqari, qo'l asboblari yordamida po'latni qo'lda tozalashda metall yuzasidan zavod tegirmoni shkalasini olib tashlash mumkin emas.<\/p>\n

GOST 9.402-2004 ga muvofiq, metallni qum bilan tozalash ikkinchi darajali tozalash sifatida tasniflanadi.<\/p>\n

Sanoat korxonalari va metallga ishlov berish zavodlari uchun metallni portlatish bilan tozalash sirtni tayyorlash tezligi va keyinchalik hosil bo'lgan korroziyaga qarshi qoplamalarning sifati jihatidan eng maqbuldir.<\/p>\n

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