Sanitary sa bakin karfe bututu

Sanitary sa sumul bakin karfe bututu samar tsari steelmaking - birgima zagaye karfe - perforation - sanyi zane - sanyi mirgina - haske annealing - ciki polishing - waje polishing - dubawa da kuma yarda - marufi ajiya. 

The factory samar da sanitary sa sumul bakin karfe bututu daga sanyi zane. A cikin bayanin da yawa key kayan aiki: 1, sanyi zane bututu inji: zagaye karfe perforated bayan da ake kira bututu, general bututu ne ф 65 * 5mm ko ф 100 * 7mm. 

General masana'antu sanitary bakin karfe bututu daga ф 14 * 1mm to ф 200 * 3mm, don haka da bukatar fadada da tube da kuma ja kananan tube, sanyi zane na'ura don aiwatar da wani. Wani lokaci ana buƙatar fadada bututu da yawa ko tubules, yayin da ake aiwatar da annealing (maganin zafi) da zagayawa. Ba a bayyana nau'ikan da ƙayyadaddun injin bututun zane mai sanyi da nau'ikan mandrel da ƙayyadaddun bayanai ba. Babban abũbuwan amfãni daga sanyi zane ne: mafi girma samar da inganci; Ya dace da sassauƙa don canza ƙayyadaddun samfur yayin samarwa. 

Kayan aiki da ƙera kayan aiki da tsarin kula da kayan aiki suna da sauƙi. Babban rashin lahani na zane mai sanyi shine: nakasar izinin wucewa yana da ƙananan, don haka izinin sarrafawa ya fi yawa, tsarin samarwa yana da tsawo; Yawan amfani da ƙarfe yana da yawa. Rashin ƙarancin ƙarewa a saman ciki da waje na bututu. 2. Multi-yi sanyi bututu mirgina na'ura: shi ne key kayan aiki don kerar sanitary sumul bakin karfe bututu a kasar Sin. Diamita na waje da kaurin bango na bututun ƙarfe mai sanyi ba su da ƙasa da 0.02-0.05mm bayan mirgina sanyi.

Ƙarshen ciki da waje na bututu shine Ra≤0.8μm, kuma kauri na bango za a iya yin har zuwa 0.5mm. Bayan polishing, ciki da waje surface na tube iya isa Ra≤0.2-0.4μm (kamar madubi). Ba a bayyana nau'ikan nau'ikan da ƙayyadaddun ƙayyadaddun ƙirar bututu mai jujjuyawa da yawa da nau'ikan mandrel da ƙayyadaddun bayanai ba.

 Babban rashin lahani na bututun da aka yi birgima shine yanayi mai wuya, wato, ƙarfin flexion coefficient yana da girma, bai dace ba don faɗaɗawa, lanƙwasa, magana mai ƙarfi, ko kuma bai dace da ka'idodin ƙasa ba, don haka wajibi ne a aiwatar da shi. zafi solidification magani (annealing). Gabaɗaya, da bakin karfe tube da aka bi da talakawa zafi narkewa tanderu (madara makera), da oxide sikelin a ciki da waje na bututu bukatar pickling, wanda halakar da ciki da kuma waje surface gama na asali sanyi birgima tube, kuma bayyanar kananan m, ba har zuwa sanitary matakin na bututu surface gama misali. Sabili da haka, ya kamata a zaɓi na'urar kariya ta gas mai haske.

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Sanitary sa sumul bakin karfe tube bakin karfe ne kasa ƙunshi 50% baƙin ƙarfe da kuma 10.5% chromium, da kuma ƙara irin su nickel, titanium, molybdenum, da dai sauransu, bisa ga daban-daban sassa dauke da sauran, karfe ciki microstructure shi ma daban-daban. wanda yana da jikin martensite, jikin ferrite, jikin austenitic, lokaci biyu, hazo hardening bakin karfe. Hakanan ana samun bututun bututun ƙarfe maras ɗin tsafta a cikin kayan daban-daban. General masana'antu da aka saba amfani da tube austenitic bakin karfe abu ne mafi; 0Cr19Ni9 (USU304), 00Cr19Ni11 (USU 304L), 0Cr17Ni12Mo2 (USU 316), 00Cr17Ni14Mo2 (USU 316L), 1Cr18Ni9Ti (SUS 321), 1Cr18Ni9Ti (SUS 321), da dai sauransu. da kuma na ciki da kuma waje surface gama bukatun na karfe bututu. Zaɓi bututun ƙarfe mara nauyi maras tsafta tare da nau'in matsakaicin ruwa, maida hankali, zafin jiki, matsa lamba, saurin kwarara, da sauran abubuwa.


Lokacin aikawa: Satumba 16-2021