丨 Sarrafa tsari

YuantaiDerunsquare rectangular tube yana da fiye da 63 hažžožin, wanda ya gana da masana'antu matsayin a gida da kuma waje. Samfurin ya wuce hanyoyin bincike sama da 200 don sarrafa ingancin samfurin.

"Kada ku bari bututun ƙarfe mara inganci ya shiga kasuwa".

 

Sarrafa abubuwan gwaji Sarrafa tasirin ganowa Tsari Sarrafa da gwajin hanyoyin haɗin gwiwa Sarrafa abun ciki dubawa
Zaɓin masana'antun Tabbatar da cancantar masana'anta da ingancin samfur 1 Ƙimar masana'anta danye Cikakken kimantawa na inganci, suna da sauran al'amura, siyan kayan albarkatun kasa don cimma "zabin ingancin albarkatun kasa"
2 tabbatar da bayanin Bincika bayanan albarkatun da mai kaya ya bayar kuma shigar da farfajiyar kaya kafin su kasance daidai
Zaɓin albarkatun ƙasa Abubuwan da ake amfani da su na samar da bututun da aka ƙera kai tsaye suna shafar ingancin bututu mai walda 3 Duban tabo Guji "harshe" ko "ma'auni", masu ɗaure, zanen ƙarfe waɗanda aka ɗaga ba bisa ka'ida ba a saman nada
4 Gane fashewa Guji buɗaɗɗen faɗuwar ƙasa a saman farantin nada
5 duba-in-zurfin Guji na gida, bayyanannen layin rabuwa na ƙarfe akan sashin nada
6 Duban kumfa A guji ƙananan ramuka a cikin santsin bangon ciki na farantin madauwari tare da rarraba mara daidaituwa da girma dabam-dabam akan saman ko cikin farantin nada
7 Dubawa na saman slag hada Ka guje wa slag mara ƙarfe a saman nada
8 Binciken rami A guji ƙananan ramuka masu siffa marasa tsari da ƙaƙƙarfan saman ƙasa a saman farantin murɗa
9 Yanke don dubawa A guji madaidaiciya da siraran tsagi a saman farantin murɗa
10 Duban zare Ka guje wa ƴan ƙazanta a saman nada wanda yake madaidaiciya ko lanƙwasa
11 Duban shiga Kauce wa saman farantin nada tare da siffofi daban-daban, masu girma dabam, katsewar haƙora
12 Duban abin nadi Don guje wa lalacewar abin nadi na matsin lamba, saman farantin lokaci-lokaci yana bayyana alamun dagawa ko tawayar
13 Tsatsa tabo duba A guji rawaya, rawaya-kore, ko launin ruwan kasa a saman nada
14 Binciken sikelin Kauce wa wuce gona da iri na jan karfe oxide Layer a saman nada
15 Ya tafi tare da duba waƙar iska Guji lankwasawa a tsaye da kuma a kwance na nada
16 Duba lankwasa scythe Daidai da GB/T 3524 -- 2005 daidaitattun buƙatun (P2).
17 Taguwar ruwa don dubawa Guji siffar lanƙwasawa na cikakken tsayi ko ɓangaren coil ɗin tare da jujjuyawar saman saman kwancen da ba a kwance ba da kuma rarrabawar yau da kullun na mai fitowa (kololuwar igiyar ruwa) da maƙarƙashiya (Trough trough)
18 Kalaman alagammana dubawa Guji lankwasawa mara nauyi a gefe ɗaya na nada tare da mirgina
19 Binciken tsagi A guji lanƙwasa mai lanƙwasa lokaci guda na coil tare da bangarorin biyu na gefe
20 Duban kauri Guji mara daidaituwa a tsayi da kauri na nada
21 Burr dubawa Kauce wa kaifi, siraran tashi masu tashi a ɓangarorin biyu na faɗin nada
22 Duban naɗewa Don guje wa murƙushewa ko cinya wanda ke haifar da lanƙwasawa mai kaifi na nada
23 Faɗin gwajin Hana nisa da daidaituwa ba daidai da GB/T 3524 -- 2005 misali (P4) ko buƙatun siyayya
24 gano kauri Don hana kauri da daidaito daga rashin dacewa da GB/T 3524 -- 2005 misali (P3) ko buƙatun sayayya, da kuma cimma "ma'aunin tabbacin kauri na bango"
25 bangaren bincike Yi nazarin C, Si, Mn, P da S bisa ga ma'aunin GB/T 4336, kuma kwatanta sakamakon da jerin abubuwan da ke shigowa don guje wa abubuwan da ba su dace da ma'aunin GB/T 700 (P4) ba.
26 inji gwajin An gudanar da gwajin juzu'i ko a tsaye na nada bisa ga ma'aunin GB/T 228, kuma an kwatanta sakamakon da takardar abu mai shigowa don guje wa kaddarorin injinan gaza cika buƙatun GB/T 3524 -- 2005 misali (P5). ).
Yanke farantin karfe Yanke coil ɗin don samar da ƙayyadaddun ƙayyadaddun ƙayyadaddun bututun welded 27 Dubawa mai shigowa Ka guji ƙwanƙwasa lalacewa a saman da gefen nada
28 Duban shear Bincika almakashi na na'ura mai aiki da karfin ruwa, shear ba ko da ba, yankan kai ba zai wuce ingantaccen allon allon 2cm ba, ya kamata a sarrafa wutsiya farantin nada zuwa naúrar.
29 Jagorar lissafin dubawa Daidaita abin nadi don hana zubar wuka
30 Binciken haɗin gwiwa Guji rashin daidaituwa tsakanin haɗin gwiwa da tsayin da aka yi amfani da su ba tare da bin ka'idodin GB/T3091-2015 ba (P8)
31 Binciken tsagewar diski Bincika sandar abin yanka da hannun riga don hana rashin daidaituwa nisa na kayan aikin yankan da albarkatun ƙasa
32 dubawa mai lanƙwasa Kada ciyarwar ta yi tsayi da yawa don hana murƙushewa
33 Duban tiren rarrabawa Hana yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsan yatsa, da bugu da buckle na farantin karfe
Dabarun ciyarwa Saka a cikin kwanon rufi, tabbatar da cewa farantin karfe, a cikin keji kafin shiri 34 duban gani Hana saman da gefen nada daga karo da lalacewa
Birgima farantin yankan kai Yanke kunkuntar ɓangaren kayan coil don sauƙaƙe walda 35 Abubuwan buƙatu mai ƙarfi Za a yanke kunkuntar ɓangaren kayan naɗa da kyau, daidai gwargwado zuwa jagorar coil, kuma tsawon ɓangaren jagorar ba zai wuce 2cm na ingantaccen farfajiyar ba.
Nadi farantin gindi walda Haɗa faranti na nada daban-daban tare a cikin kejin 36 duban gani Guji rashin daidaituwa tsakanin haɗin gwiwa da tsayin da aka yi amfani da su ba tare da bin ka'idodin GB/T3091-2015 ba (P8)
A cikin kejin kayan Ajiye takamaiman adadin albarkatun ƙasa don naúrar don tabbatar da ci gaba da samar da motar naúrar 37 duban gani Don hana saman da gefen abin da ke lalata ƙwanƙwasa
38 Binciken kayan aiki Hana farantin coil daga makale ko juyawa a hannun keji
Matsayin abin nadi Danyen kayan yana tsakiya tare da nadi 39 Matsayin abin nadi Domin farantin nada a cikin keji ajiya zai bayyana lankwasawa, ta cikin biyar rollers iya zama in mun gwada da lebur
Karfe bututu kafa Don canza nau'in coil daga m zuwa lafiya (naɗa a cikin bututu mai zagaye) 40 Molding ingancin dubawa Don tabbatar da daidaito da daidaito na kusurwar buɗewa na kabu na walda, ana iya daidaita kusurwar buɗewa bisa ga diamita na bututu.
(minti 4 - inci 1.2 na kusurwar buɗewa shine digiri 3-5)
extrusion forming Tabbatar da a kwance ɓangarorin biyu na billet 41 Extrusion roll dubawa Don hana rashin daidaituwa, lura da matsa lamba na extrusion roll kuma kula da tsayi iri ɗaya
high-mita waldi Weld nada a siffar silinda da ƙarfi 42 Welding ingancin dubawa Guji rauni mai walƙiya, lalata, tari mai sanyi
43 Guji corrugation a bangarorin biyu na weld
44 Guji tsagewar walda da tsagewar tsaye
45 Guji samuwar layin walda
waldi mai mitar rediyo Weld nada a siffar silinda da ƙarfi 46 Welding ingancin dubawa Guji haɗawa da slag
47 Don guje wa fasa a waje da walda
48 Guji raguwar tushen tushe
49 Guji shigar tushen
50 Guji gazawar haɗuwa
51 Guji walda mai yabo, waldar karya, waldar cinya da sauran abubuwan mamaki.
(Gaba ɗaya, lokacin da na'urar ta ratsa ta cikin abin nadi mai ɗaukar nauyi, gefen coil ɗin zai narke saboda yawan dumama. Za a sami walƙiya mai farin kristal granular a lokacin walda, wanda ke nuna cewa an tabbatar da ingancin walda.)
Weld scraping tabo Yanke da niƙa sauran tsawo na waje weld 52 duban gani Hana abin da ya faru na swiveling dinki, free baki da waldi hadin gwiwa dislocation;
Bukatar babu corrugation na weld kuma babu weld nodules a garesu.
53 Weld dubawa Tabbatar cewa tarkacen weld, launi da ingancin gyare-gyare sun cika buƙatun GB/T13793-2008 (P10)
sanyaya mai yawo Sanyaya bututun welded 54 Duba karfin ruwa na tanki Dangane da diamita daban-daban na bututu, saurin, sarrafa ingancin ruwa, zafin ruwa, kwararar ruwa, abun ciki na gishiri, pH, da sauransu
Girman bututun ƙarfe Daidaita diamita na waje da rashin zagaye na bututun welded 55 Duban diamita na waje Sarrafa a cikin GB/T21835 -- 2008 daidaitattun buƙatun (P5) tsakanin kewayon
56 Duban rashin daidaituwa Sarrafa a cikin GB/T3091-2015 daidaitattun buƙatun (P4) a cikin kewayon
A m mikewa Kawar da ɗan lankwasa bututun ƙarfe 57 Kula da kayan aikin daidaitawa Yi amfani da na'urar daidaitawa don sanya bututun ƙarfe madaidaiciya zuwa tsari na gaba
NDT (gwajin da ba ya lalacewa) Bincika lahani a saman da ciki na walda wanda zai iya shafar ingancin bututun ƙarfe 58 Daidaita kayan aiki kafin gwaji Saita sigogi masu dacewa;
Ƙayyade ma'auni na dubawa da ƙwarewar gano kuskure tare da shingen gwajin bambanci;
Ƙara diyya ta sama don tabbatar da ƙimar gano lahani
59 Binciken rukuni na farko bayan ƙayyadaddun canji Bayan kowane canji na ƙayyadaddun samfur, dole ne a duba rukunin farko na samfuran da aka gama. Yawan rassan dubawa bai kamata ya zama ƙasa da uku ba. Bayan wucewa dubawa, ana iya samar da samfurin
60 Gwajin welded bututu tushe karfe Duban gani na karfe tube surface ingancin kasawa
61 Duban bayyanar weld Ta hanyar dubawa na gani na bayyanar walda bayan sanyaya, ba a ba da lahani irin su waldawa, ƙonewa, tabo, buɗewa, tsagewa, tsagewar tendon, tabo mara kyau, baki kyauta an yarda.
62 Ultrasonic dubawa na karfe da weld ciki qualitySpot rajistan shiga da feedback Binciken da aka haɗe zuwa jikin bututu yana fitar da igiyar ruwa ta ultrasonic, kuma kayan aikin yana karɓa da kuma nazarin amsawar da aka nuna. Ana daidaita ma'anar ma'anar ganowa bisa ga SY/T6423.2-1999, kuma nau'in, girman da zurfin mai nuna an ƙaddara ta hanyar tsayin motsin amsawa da aka nuna akan allon kayan aiki.
Ba a yarda a sami wani lahani da ke da matukar tasiri ga ingancin walda, irin su fashe, pores wanda tsayin raƙuman raƙuman sauti ya wuce 50% na cikakken allo, rashin shiga da rashin haɗuwa. Dokokin dubawa samfur: dubawar samfurin za a kasance. za'ayi bisa ga 1% na kowane tsari. Idan an sami wata matsala, yi rikodin kuma ba da amsa cikin lokaci.
Yi alama a bayyane akan lahani don sauƙaƙe ma'aikata don magance daidai;
Ƙara yawan samfurin da kashi 10%. Idan har yanzu akwai samfuran da ba su cancanta ba a cikin tsarin binciken samfur, yakamata a sanar da rukunin don dakatar da daidaita tsarin samarwa cikin lokaci.
Yanke gani mai tashi Saitin yankan butt-welded bututu 63 Binciken bututu Za a tabbatar da ƙarshen bututu ba tare da ƙonawa da karkata baki ba
64 yanke tsayi Bincika diamita na abin nadi na sauri bisa ga ma'auni kuma saita bayanai masu ma'ana
Karfe bututu madaidaiciya Daidaita lankwasawa na karfe bututu 65 duban gani Ka guje wa lalacewar jikin bututu, bututu bakin abu mai karkatarwa; Babu shiga cikin saman bututu
Cire ƙarshen bututu Magance burar bakin bututu 66 Binciken bututu Tabbatar cewa ƙarshen bututu yana da santsi kuma ba tare da burar ba, kuma tabbatar da cewa kowane bututun ƙarfe zai iya cimma "tasirin net na madaidaiciyar bututu".
gama samfurin dubawa Tabbatar da ingancin bututun welded a cikin bitar ya cika daidaitattun buƙatun 67 duban gani Tabbatar cewa surface na karfe bututu ne santsi, babu nadawa, crack, biyu fata, lamination, cinya waldi da sauran lahani wanzu, ba da damar a yi bango kauri na korau sabawa kewayon karce, kar a yarda a yi tsanani karce. , walda dislocation, kuna da tabo
68 Duban walda na ciki Tabbatar cewa sandar walda ta tsaya tsayin daka, kauri iri ɗaya, a cikin sigar waya, sandar walda ta ciki yakamata ta zama sama da 0.5mm, ba a ba da izinin shingen walda ba tare da burar ba.
69 Duban diamita na waje Sarrafa a cikin GB/T21835 -- 2008 daidaitattun buƙatun (P5) tsakanin kewayon
70 Duban rashin daidaituwa Sarrafa a cikin GB/T3091-2015 daidaitattun buƙatun (P4) a cikin kewayon
71 Tsawon tsayi Tsawon bututun karfe shine 6m. Dangane da buƙatun GB / T3091-2015, dacewar ƙetare jimlar jimlar madaidaiciyar bututun welded ɗin madaidaiciyar bututu shine + 20mm.
(Bukatun bututu: 4 minutes - 2 inci 0-5mm, 2.5 inci - 4 inci 0-10mm, 5 inci - 8 inci 0-15mm)
72 Lanƙwasa ganowa Dangane da GB / T3091-2015, matakin lanƙwasawa na cikakken tsayin bututun ƙarfe bai kamata ya fi 0.2% na tsawon bututun ƙarfe ba.
73 Binciken bututu Tabbatar cewa shugaban bututu ba shi da burr kuma sashin ƙarshen ya cika bukatun GB / T3091-2015
74 Binciken walda na waje Ya kamata a yi amfani da wukar baka na waje, tabo ya zama canjin baka
75 Gouges inda gabaɗayan guntuwa suka ɓace rajistan Ka guji buɗewa a ƙarshen bututu
76 Gane fashewa Guji fashewa a sandar walda
77 Binciken haɗin gwiwa Guji al'amarin haɗin gwiwa a jikin bututun welded
78 Yanke don dubawa Ka guje wa ɓarna mai tsanani a saman bututun welded, wanda zai shafi kaurin bango.
Bambanci mara kyau ba kasa da kauri ba (12.5%)
79 Gwajin rami flat Hana ramuka da ramukan da sojojin waje ke haifarwa a cikin bututun welded.
Matsayin kulawa na cikin gida na kasuwanci (minti 4 - inch 1, zurfin rami <2mm;
1¼ inch-2 inch, zurfin rami <3mm;
2½ inch-6 inci, zurfin rami <4mm;
8 inci zurfin haƙora <6mm)
80 Duban saman rami (rami) Kauce wa ƙugiya a saman bututun ƙarfe
81 Duba mashaya weld na ciki Hana sandar walda ba ta da ƙarfi, rashin daidaituwa, ƙasa da 0.5mm don sandar walda ba ta cancanta ba.
82 Burr dubawa Ka guje wa ɓarna da ba daidai ba a ciki da wajen kan bututun.
Matsayin kulawar cikin gida na kasuwanci (maki 4 - inci 2 na burr <1mm;
2½ inch zuwa 4 inch burr <2mm;
5 "- 8" buro <3mm.
Lura: Ba a yarda Burr akan bututun kai.
83 Duban baki A guji budewa ko nakasar da ƙugiya ko ɗagawa ke haifarwa, wato "bakin ɗagawa"
84 Ƙarfafa fashewar dubawa Hana ɗan ƙaramin tsagewa a cikin ƙwanƙwasa walda
85 Tabo mara daidaituwa Guji madaidaicin sandar walda bayan goge tabo. Wurin waldawa ba shimfidar baka bane santsi. Bambanci mara kyau ƙasa da tushe karfe ana la'akari da m
86 Daga baki don dubawa Hana sabon abu na walƙiya kabu nadawa da matsa lamba lalacewa ta hanyar albarkatun kasa ko inji dalilai, walda bar ba santsi, akwai free gefuna, nadawa walda dislocation, da dai sauransu
87 Duban fata sau biyu Ka guje wa saman ba santsi, lebur, ƙarancin nama ko wani abu mara daidaituwa ba
88 Duban tabo Ka guje wa tabo mai siyar da ƙasa wanda zai iya haifar da lalacewa ga ƙarfen tushe
89 Ramin yashi don dubawa Hana ramuka a saman bututun ƙarfe
90 Duban bakin da ba a so Sashin giciye na bututu ba daidai ba ne zuwa layin tsakiya, kuma ƙarshen zai cika bukatun GB / T3091-2015.
91 Duban mutum Guji alamar kasuwancin da ke makale a jikin bututu kuma ainihin ƙayyadaddun bututun da aka yi masa ba daidai ba ne ko gauraye
inji gwajin Duba kayan aikin injiniya na kayan 92 lankwasawa gwajin Bincika ingancin walda na bututun ƙarfe na inci 2 da ƙasa don saduwa da buƙatun GB/T3091-2015 (P7)
93 gwanjon lallashi Don duba waldi ingancin karfe bututu sama da 2 inci da kuma saduwa da bukatun GB / T3091-2015 (P7)
94 Gwajin tankin matsi Gwada aikin matsi na bututun ƙarfe, daidai da CECS 151-2003 haɗin haɗin bututun injiniyan fasaha na ƙayyadaddun buƙatun (P9)
95 tensile gwajin Gwada ƙarfin ƙarfi da haɓakawa bayan karyewar bututun ƙarfe don saduwa da buƙatun GB/T3091-2015 (P7)
Gwajin matsa lamba na ruwa Bincika ƙarfi, rashin iska da ingancin bayyanar ƙarfen tushe da weld na bututun welded 96 Duba kafin a kwashe kaya Guji rashin daidaituwa tsakanin lakabin da ainihin ƙayyadaddun bututun da aka yi masa walda ko kuma ba a ba da izinin buɗe kayan da aka gauraya ba (lambar batch iri ɗaya da ƙayyadaddun ƙayyadaddun abu ɗaya ana danna tare.
97 dubawa na gani Duban gani na karfen tushe don hana fasa, fata mai nauyi, tsatsa mai tsanani, ramukan yashi da sauran lahani, ba a yarda da karce mai tsanani ba.
97 Duba ƙarshen kafin fara gwajin Dole ne saman bangarorin biyu na bututun da aka welded ya zama santsi da santsi ta hanyar dubawa na gani.
Ba a yarda a sami kai mai lebur, tanƙwara bututu da bakin rataye ba. Sashin ƙarshen bututun da ba burr ba yana tsaye zuwa tsakiyar layin. Babu jirgin sama mai karkata kuma ya kamata karkacewar ya zama ƙasa da 3°
98 Duba matsakaicin matsa lamba (ruwa) kafin matsa lamba Bayan cika matsakaicin matsakaicin matsa lamba (ruwa) na bututu mai walda, kada ku yi sauri don ƙara matsa lamba. Wajibi ne a bincika ko tsarin yana da ɗigon ruwa
99 gwajin hydrostatic Dangane da ma'aunin GB/T241-2007 (P2) a ƙarƙashin gwajin gwajin, saurin matsa lamba da yanayin watsa matsa lamba, barga na ɗan lokaci.
Duba a gani na waje na matrix bututu mai walda ko kabu na walda a cikin lokacin daidaitawar matsi. Ba a yarda yayyo ko fashe ba.
Duba da gani gabaɗayan bututun welded bayan gwajin, ba a yarda nakasu na dindindin ba
100 Duban bayyanar bayan gwaji Tabbatar cewa ba a ba da izini ba;
Ba a yarda da kai mai lebur da bututu mai lankwasa ba.
Babu gurbataccen mai da sauran matsalolin ingancin ciki da wajen bututun karfe
101 Rahoton da ya fitar Cika cikin tsananin aiki tare da GB / T241-2007 (P2) da misalai na ciki na ciki (sashen motsa jiki na ciki (sashen Tarihi na Siyarwa, tare da Pipe Cokali na Kwafi ɗaya). Ba a yarda da zamba
Gwajin pickling Rage ƙarancin kulawar inganci a cikin tsari na gaba 102 Gwajin tantancewa Tabbatar da ainihin kaurin bango, ƙayyadaddun ƙayyadaddun bayanai ko gaurayawan lakabi da bututu mai walda ta hanyar aunawa da aunawa
103 Gwajin rashin daidaituwa Tabbatar cewa rashin daidaituwa na bututun ƙarfe ya dace da daidaitattun GB/T 3091-2015 (P4)
104 Gwajin tsayin awo Tabbatar da karfe bututu tsawon a layi tare da kasa misali GB/T 3091-2015 (P5) (6 mita, halatta sabawa +20mm)
105 Duban diamita na waje Tabbatar cewa diamita na waje na bututun ƙarfe ya dace da bukatun GB/T21835 -- 2008 Standard (P5)
106 Bude gwaji Bincika ko ƙarshen bututun ya yanke sabon abu
107 Gwajin karaya Bayan girgizar guduma, babu wani abin fashewa a sandar walda
108 Binciken haɗin gwiwa Kalli bututu guda ɗaya akan ko akwai abin da ya faru na docking
109 Rusted bututu binciken Duba ko a gani ko akwai datti, fenti, tabon mai da kuma bututu masu tsatsa a saman bututun ƙarfe
110 Lebur rami duba Bincika gani ko saman bututun ƙarfe yana da ramukan gida wanda sojojin waje suka haifar
111 Duban saman rami (ramuka) Yin amfani da dubawa na gani, hannu ya taɓa saman bututun ƙarfe ko akwai wurin abin da ya faru.
112 Duba ko sandar walda ta ciki ta cancanta Don hana wanzuwar babu sandar walda ta ciki (ciki har da waldar ƙarya) ko mashaya walda ta ciki da ta wuce misali da sauran matsalolin;
Hana sandar walda ba ta da ƙarfi, rashin daidaituwa, ko ƙasa da 0.5mm bai cancanta ba
113 Burr dubawa Bincika gani ko akwai ɓangarorin da ba su dace ba a ciki da wajen ƙarshen bututu.
Bayan magani, burr na ƙarshen bututu ya kamata ya zama ƙasa da 0.5mm don cancanta
114 Rataye baki dubawa Don hana buɗewa ko nakasar da ke haifarwa a cikin ƙugiya da haɓakawa
115 Ƙarfafa fashewar dubawa Ta hanyar lankwasawa ko gwadawa, ana gano sandar walda ta bututun ƙarfe don guje wa wanzuwar ƙananan fasa.
Koma zuwa Mataki na 8 na P6 na Tsarin Kula da Inganci da Tsarin Gudanarwa don gwajin lankwasawa
116 Duban tabo Tabbatar cewa sandar walda ta goge tabo mai santsi, saman madauwari
117 Duba tashar jiragen ruwa kyauta Guji al'amarin na nadawa matsa lamba a kabu waldi lalacewa ta hanyar danyen abu ko inji dalilai.
118 Gwajin fata sau biyu Kauce wa lamarin bututun ƙarfe tare da fata biyu
119 Da'irar bamboo mai siffa Don hana saman bututun ƙarfe daga ɓacin rai
120 Duban weld na cinya Duban gani don guje wa abin da ya faru na sake walda mara nauyi akan sandar bututun walda.
121 Duban tabo Duban gani don guje wa wuraren walda a saman bututun ƙarfe
122 Ramin yashi, dubawa Duban gani don guje wa ramuka a saman bututun ƙarfe
123 Yanke gwaji Sami jikin bututun da ke ƙarƙashin abin da ake yankan iskar gas don tabbatar da cewa babu yanke ko lalacewa
124 Babu dacewa ga pickling galvanized sundries Duban gani don tabbatar da babu tabon mai, fenti da sauran tarkace marasa sauƙi, don hana zubar plating.
The pickling karfe bututu Cire abubuwa daban-daban kamar sikelin oxide da aka samar akan saman bututun ƙarfe 125 Matsakaicin acid Ya kamata a sarrafa abun ciki na hydrogen chloride a cikin tattarawar acid a 20% -24%
126 Underpickling dubawa na karfe bututu Don hana (1) rashin isasshen lokacin pickling, low acid zafin jiki, low taro (zazzabi ya kamata a sarrafa a 25-40 ℃, acid taro na hydrogen chloride ne 20% -24%) (2) kasa girgiza sau na tube dam (3) kasancewar silicate a cikin tanderu welded karfe tube
samfur marufi Cushe daidai da ƙayyadadden adadin bututun ƙarfe a kowane yanki 127 Duban bel ɗin shiryawa Marufi na karfe bututu ne hexagonal, 6 shiryawa bel, duk za'ayi a cikin masana'anta, duka iyakar da shiryawa bel daga karshen kuskure na ± 10mm, tsakiyar 4 da za a daidai rarraba, shiryawa bel waldi ya kamata a daidaitacce, lebur, shiryawa bel ba ya ƙyale karkata, shirya bel ya kamata a yanke a junction na 45 ° Angle, dole ne hadu da bukatun.
128 Duba alamar kasuwanci Abin da ke ciki daidai ne, jirgin yana sama, alamar kasuwancin da aka gama ya kamata a liƙa da kyau a kan kowane bututun bututu don daidaita gefen dama na bel ɗin haɗaɗɗen walda na farko a tsakiya, kuma tushen rubutun Ted na ado a bayyane yake ba tambaya ba.
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