Bututun karfe maras sumul zagaye ne, murabba'i, karfe rectangular tare da sashe mara fa'ida kuma babu kabu a kusa da shi.

Sumul karfe bututu tare da m sashe, babban adadin bututu amfani da isar ruwa, A cikin lankwasawa da torsion ƙarfi a lokaci guda, Kwatanta karfe bututu da zagaye karfe da sauran m steel.steel bututu nauyi ne haske, shi ne wani irin tattalin arziki sashe na karfe, yadu amfani a yi na tsarin sassa da inji sassa, kamar man hakowa karfe scaffolding.

Sumul karfe tube samar yana da tarihi na kusan shekaru 100. The Jamus Manismann 'yan'uwan farko ƙirƙira biyu-yi giciye-mirgina naushi a 1885, sa'an nan ƙirƙira da lokaci-lokaci bututu mirgina inji a 1891, da Swiss RCStiefel ƙirƙira atomatik bututu mirgina inji (wanda aka sani da saman bututu mirgina inji, da kuma a matsayin saman bututu mirgina inji, da kuma irin wannan ci gaba da bututu inji) a cikin 190 na inji da kuma ci gaba da bututu na'ura. injin turawa, ya fara samar da masana'antar bututun ƙarfe na zamani.

Extrusion latsa da kuma lokaci-lokaci sanyi mirgina niƙa inganta iri-iri da ingancin karfe tubes.In cikin 1960s, saboda da inganta ci gaba da mirgina bututu niƙa, da fitowan na uku-yi naushi, musamman nasarar aikace-aikace na tashin hankali rage na'ura da kuma ci gaba da simintin gyaran kafa billet, ya inganta samar da yadda ya dace da kuma inganta da gasa na m bututu da welded bututu.

A cikin shekarun 1970s, bututu maras sumul da bututun walda suna tafiya tare da juna, kuma yawan bututun karfe na duniya yana karuwa da fiye da kashi 5 cikin dari a kowace shekara.Tun daga shekarar 1953, kasar Sin ta ba da muhimmanci sosai ga raya masana'antar bututun karfe maras sumul, kuma da farko ta kafa tsarin samar da na'ura don mirgina manyan bututu da matsakaita da kanana daban-daban. zanen nada.

Aikace-aikaceda kuma rarrabuwa na bututun ƙarfe maras sumul

Aikace-aikace: Sumul karfe tube ne wani irin tattalin arziki sashe karfe, yana da matukar muhimmanci matsayi a cikin kasa tattalin arzikin, yadu amfani a man fetur, sinadaran masana'antu, tukunyar jirgi, tashar wutar lantarki, jirgin ruwa, inji masana'antu, mota, jirgin sama, Aerospace, makamashi, geology, yi da kuma soja sassa.

Rabewa:

(1) Dangane da siffar sashin da aka raba zuwa: bututun sashin madauwari, bututun sashi na musamman

(2) bisa ga kayan: carbon karfe bututu, gami karfe bututu, bakin karfe bututu, composite bututu

(3) Dangane da yanayin haɗin gwiwa: bututun haɗin da aka haɗa, bututun walda

(4) Dangane da yanayin samarwa: zafi mirgina (extrusion, saman, fadada) bututu, mirgina sanyi (ja) bututu

(5) Dangane da amfani: bututun tukunyar jirgi, bututun rijiyar mai, bututun mai, bututun tsari, bututun taki.

Sumul karfe tube samar tsari

Babban tsarin samar da bututun ƙarfe mara nauyi mai zafi (tsarin dubawa):

Shiri da duba bututun bututu → dumama bututun billet → ratsawa → jujjuya bututu → sake dumama bututun fanko → gyara (rage) diamita → maganin zafi → daidaita bututun da aka gama → kammalawa → dubawa (marasa lalacewa, jiki da sinadarai, duba tasha) → warehousing

(2) Cold mirgina (zane) m karfe bututu samar tsari

Shirye-shiryen billet → zazzagewa da lubrication → mirgina sanyi (zane) → maganin zafi → daidaitawa → gamawa → dubawa

A samar tsari kwarara ginshiƙi na zafi-birgima sumul karfe tube ne kamar haka: