W katako, su ne muhimman abubuwan da aka tsara a cikin aikin injiniya da gine-gine, godiya ga ƙarfinsu da ƙarfinsu. A cikin wannan labarin, za mu bincika ma'auni na gama gari, kayan da aka yi amfani da su, da maɓallai don zaɓar madaidaicin katako na W don aikinku, gami da kamar su.14 x 22 W, 16 x 26 W, ASTM A992 W, da sauransu.
AW bim bayanin martaba ne na ƙarfe tare da sashin giciye mai siffa "W", wanda ya ƙunshi shaft (sashe na tsakiya na tsaye) da flanges biyu (sassan a kwance a tarnaƙi). Wannan lissafi yana ba da kyakkyawan juriya ga lankwasawa da kaya, yana mai da su manufa don tallafi na tsari a cikin gine-gine, gadoji, da ayyukan masana'antu. Sharuɗɗan W-beam, W-profile, da W-beam galibi ana amfani da su tare da juna don komawa zuwa irin wannan bayanin martaba.
Girman W-beam ana bayyana su ta hanyar tsayin su gaba ɗaya (wanda aka auna daga ƙarshen flange zuwa wancan) da nauyin kowane ƙafar layi, kodayake wasu lokuta ana kiran su da tsayin flange da faɗi a takaice. Wasu daga cikin fitattun girma sun haɗa da:
12 x 16 W: Kimanin tsayin inci 12, nauyin kilo 16 a kowace ƙafa.
6 x 12 W: tsayin inci 6, yana auna kilo 12 a kowace ƙafa, manufa don ƙananan aikace-aikace.
14 x 22 W: Tsayin inci 14, nauyin kilo 22 a kowace ƙafar ƙafa, ana amfani da shi a cikin tsaka-tsaki masu girma.
16 x 26 W: A tsayin inci 16 da nauyin kilo 26 a kowace ƙafa, ya dace da kaya masu nauyi.
Ƙarfe na W-beam da aka fi amfani da shi ya dace da ma'aunin ASTM A992, wanda ke bayyana ƙarfe mai ƙarfi tare da ƙarfin amfanin ƙasa na 50 ksi (fam 50,000 a kowace murabba'in inch). An san wannan ƙarfe da:
Juriya ga lalata lokacin da aka bi da shi tare da magunguna masu kariya.
Its ductility, wanda damar sarrafawa deformations ba tare da karya.
Ƙarfinsa don jure wa madaidaicin nauyi da ƙarfi, yana mai da shi manufa don yanayi mai tsauri.
Ban daASTM A992 karfe, W-beams kuma za a iya samu a cikin wasu nau'o'in karfe, kamar ASTM A36, ko da yake A992 an fi so a cikin manyan ayyukan gine-gine saboda ƙarfinsa.
Ƙayyadaddun Bukatun Fasaha
Loads masu Tallafawa: Ƙididdige madaidaicin (nauyin kai) da ƙarfin (nauyi masu motsi) lodin katako zai goyi bayan. Model irin su 16x26 W-beam sun dace da nauyin nauyi, yayin da 6x12 W-beam ya fi kyau ga ƙananan sassa.
Tsawon da ake buƙata: W-beams ana kera su a daidaitattun tsayi, amma ana iya keɓance su don kowane aikin. Tabbatar cewa tsawon ba zai haifar da matsalolin sufuri ko shigarwa ba.
Tabbatar da Ma'auni da Material
Tabbatar cewa katako ya dace da ma'aunin ASTM A992 idan babban aikin tsari ne, saboda wannan yana ba da garantin kaddarorin injiniyoyi iri ɗaya.
Bincika ingancin ƙarfe: dole ne ya nuna alamun masana'anta na hukuma da takaddun shaida na yarda da ƙa'idodin ƙasashen duniya.
Ƙimar mai bayarwa
Fi son masana'antun da gwaninta a cikin karfeW-biyuda kuma suna a kasuwa. Tuntuɓi nassoshi kuma ku duba ayyukan da suka gabata.
Kwatanta farashin, amma kar ku manta cewa ingancin kayan ya fi mahimmanci fiye da ƙarancin farashi. Ƙananan ƙarancin W-beams na iya haifar da gazawar tsarin a cikin dogon lokaci.
Yi la'akari da Jiyya na Surface
W-beams da aka fallasa ga muhalli yakamata su sami maganin lalata, kamar fentin epoxy ko galvanization. Wannan yana ƙara ƙarfin su, musamman a wuraren da zafi ko gishiri.
Tabbatar da takamaiman Aikace-aikacen
Don ayyuka irin su gadoji ko gine-gine masu tsayi, zaɓin W-beam ya kamata a yi tare da injiniyan tsarin, wanda zai ƙayyade ma'auni da kayan da suka dace bisa ga ƙa'idodin gida da bukatun kaya.
W-beams sune mahimman abubuwan gina jiki na zamani, kuma zaɓin su daidai ya dogara da fahimtar girman su (kamar 14x22 W-beam ko 12x16 W-beam), kayan (musamman ASTM A992 karfe), da buƙatun aikin. Lokacin siye, ba da fifikon inganci, bin ƙa'idodi, da martabar mai siyarwa, don haka tabbatar da aminci da dorewar tsarin ku.
Tuntube mu don ƙarin bayani
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