1. Incamake y'ibicuruzwa
Igikombe cy'icyuma cyakozwe hakurikijweASTM A27 Icyiciro cya 70-36ni icyuma gikomeye cyo gucukura cya karuboni cyagenewe gucunga, gutwara, no kubika by'agateganyo ibintu bishyushye cyangwa ibishongeshejwe mu bikorwa by'ibyuma n'inganda.
Iri banga ryatoranijwe by'umwihariko kugira ngo ritange uburinganire bwiza hagatiimbaraga, ubushobozi bwo kugenda neza, no kurwanya ubushyuhe n'imbaraga za mekanike, bigatuma ikwiriye cyane cyane ku migozi ikoreshwa mu guterura inshuro nyinshi, gushyuha cyane, no gukurura impanuka.
2. Ihame Rikurikizwa
ASTM A27 / A27M– Ibyuma bicukurwamo, Karuboni, bikoreshwa muri rusange
Ingano y'ibikoresho:ASTM A27 Icyiciro cya 70-36
Ibikoresho byose byo gucukura bigomba gukorwa, gupimwa no gusuzumwa byuzuye hakurikijwe ibisabwa na ASTM A27 keretse iyo umuguzi yabigennye ukundi.
3. Ibiranga ibikoresho – ASTM A27 Icyiciro cya 70-36
ASTM A27 Grade 70-36 ni urwego rwo gucukura icyuma cya karuboni gifite imbaraga ziciriritse, kirangwa no kuba gikoze neza kandi cyizewe mu miterere yacyo.
3.1 Imiterere ya mekanike (Nibura)
| Umutungo | Ibisabwa |
| Imbaraga zo Gufata | ≥ 70.000 psi (≈ 485 MPa) |
| Imbaraga z'umusaruro | ≥ 36.000 psi (≈ 250 MPa) |
| Uburebure (muri 2 in / 50 mm) | ≥ 22% |
| Kugabanya Akarere | ≥ 30% |
Iyi miterere ya mekanike itanga ubushobozi buhagije bwo gutwara imizigo mu gihe ikomeza kurwanya cyane kwangirika no kuvunika.
3.2 Ibigize imiti (Imipaka isanzwe)
| Igice | Ibikubiye ku rubuga ntarengwa |
| Karuboni (C) | ≤ 0.35% |
| Manganese (Mn) | ≤ 0.70% |
| Fosifore (P) | ≤ 0.05% |
| Sulfure (S) | ≤ 0.06% |
Ingano ya karuboni na manganese igenzurwa bigira uruhare mu gutuma habaho ireme rihamye ryo gucukura no gukora neza mu buryo bwizewe hatabayeho gukoresha ibintu bivanze.
4. Igishushanyo n'imiterere y'urukiramende
l Igice kimwe cy'umubiri ukozwe mu cyuma cyangwa umubiri ukozwe mu cyuma ufite imigozi yo guterura / imigozi yo guterura ikozwe mu cyuma
l Gutunganya imiterere y'imbere kugira ngo ugabanye uburemere bw'imihangayiko
l Ubunini buhagije bw'urukuta bwagenewe kwihanganira ubushyuhe n'imitwaro yo gukoresha imashini
l Aho guterura hakozwe hashingiwe ku miterere y'aho guterura imizigo yuzuye, harimo n'ibintu by'umutekano
Igishushanyo mbonera cy'ikiyiko gishimangiraubuziranenge bw'inyubako no kuramba kwa serivisicyane cyane iyo hari ubushyuhe bwinshi kandi hagakoreshwa icyuma gitwara imizigo inshuro nyinshi.
5. Uburyo bwo gukora
5.1 Uburyo bwo Gutera
Gucukura umucanga hakoreshejwe ibikoresho byo gucukura bigenzurwa bikwiye gucukura ibyuma binini
l Gukoresha ubushyuhe bumwe birasabwa kugira ngo habeho ubwuzuzanye bw'imiti
5.2 Gushonga no Gusuka
l Ifuru y'amashanyarazi (EAF) cyangwa ifuru y'inyongera
l Kugenzura cyane imiterere y'imiti mbere yo kuyisuka
l Ubushyuhe bwo gusukwa bugenzurwa kugira ngo bigabanye inenge z'imbere
5.3 Uburyo bwo kuvura ubushyuhe
Gutunganya ubushyuhe mu buryo busanzweikoreshwa ubusanzwe
Intego:
l Kunoza imiterere y'ibinyampeke
Kunoza ubukomere n'imiterere imwe ya mekanike
l Kugabanya imihangayiko yo gucukura imbere mu gikoresho
Ibipimo byo gutunganya ubushyuhe bigomba kwandikwa kandi bigakurikiranwa.
6. Igenzura ry'Ubuziranenge n'Igenzura
6.1 Isesengura ry'imiti
l Isesengura ry'ubushyuhe ryakozwe kuri buri gushonga
Ibisubizo byanditse mu cyemezo cy'ibizamini bya Mill (MTC)
6.2 Isuzuma rya Mekanike
l Amakaponi yo gupima aturuka ku bushyuhe bumwe n'ubushyuhe buvanze n'ikiyiko:
Ikizamini cyo gukurura
l Igenzura ry'imbaraga z'umusaruro
l Kureshya no kugabanya ubuso
6.3 Isuzuma ritangiza (nk'uko bikenewe)
Bitewe n'ibisabwa n'umushinga:
l Igenzura ry'amaso (100%)
l Gupima uduce twa Magnetic Particles (MT) ku cyuho cyo hejuru
Isuzuma rya Ultrasonic (UT) ku bijyanye n'uko imbere hameze neza
6.4 Igenzura ry'ibipimo
l Igenzura rinyuranyije n'ibishushanyo byemewe
l Kwita cyane ku miterere y'ibice by'ingenzi biremereye hamwe n'ibice by'ingenzi biremereye
7. Inyandiko n'Impamyabumenyi
Inyandiko zikurikira zikunze gutangwa:
Icyemezo cy'ikizamini cy'inganda (EN 10204 3.1 cyangwa bingana nacyo)
l Raporo y'imiterere y'imiti
l Ibisubizo by'ibizamini bya tekiniki
l Inyandiko yo kuvura ubushyuhe
Raporo za NDT (niba bikenewe)
Raporo y'igenzura ry'ibipimo
Inyandiko zose zikurikiranwa n'itsinda ry'ubushyuhe n'ubushyuhe bihuye.
8. Ingano y'Ikoreshwa
Ibikombe by'icyuma byakozwe muri ASTM A27 Grade 70-36 bikoreshwa cyane muri:
l Inganda z'ibyuma n'inganda zikora imitako
Sisitemu zo gucunga ibintu bidafite ishingiro
Amahugurwa yo mu by'ibyuma
l Ibikorwa bikomeye byo kohereza ibikoresho mu nganda
Iyi grade ikwiriye cyane cyane porogaramu ahoubushobozi bwo kugenda neza no kurinda umutekano mu gihe cy'umutwaro uhindagurikani ingenzi.
9. Ibyiza byo gukoresha ASTM A27 Grade 70-36 ku ngano
l Uburinganire bwiza hagati y'imbaraga n'ubushobozi bwo kugenda
l Igabanuka ry'ibyago byo kuvunika kw'amagufwa mu gihe cy'ubushyuhe
l Ihendutse ugereranije n'ingufu nyinshi kandi ifite ubushobozi bwo gukora ibintu bike
l Yagaragaye ko yizewe mu gukoresha ibikoresho biremereye byo gukata
Kwemerwa cyane n'abagenzuzi n'ibigo by'ubwubatsi
Amakuru yerekeye gupakira no gutwara
NCM (Kode y'imisoro) isabwa:8454100000
Ubwoko bw'ibipfunyika byakoreshejwe:
Igikoresho cy'imbaho cyangwa agasanduku byubatswe ku giti byihariye byo gutwara abantu mu mazi.
Amavuta arwanya ingese cyangwa agakoresho gakingira ingese gashyirwa ku buso.
Shyira imikandara y'icyuma hamwe n'ibiti bifunga kugira ngo wirinde kugenda mu gihe cyo kugenda.
Ubwoko bw'uburyo bwo kohereza:Kontineri,ubwato bunini:
Igikoresho cyo ku gipangu giteretse– Bikundwa cyane kugira ngo byorohereze gupakira/gupakurura icyuma.
Fungura Kontineri yo hejuru– Bikoreshwa iyo ikibazo cyo kurenga aho uhagaze giteye impungenge.
Ubwato bunini- Kubera ko ingano nini, ntishobora gushyirwa mu bikoresho
Ukeneye uruhushya rwo gutwara abantu mu gace utuyemo?
Yego, bitewe n'uko inkono ari nini cyane,uruhushya rwo gutwara abantu rwihariyeUbusanzwe birakenewe mu gutwara abantu mu muhanda cyangwa gari ya moshi. Inyandiko n'ibishushanyo mbonera bya tekiniki bishobora gutangwa kugira ngo bifashe mu gusaba uruhushya.
Mu gihe hari imizigo minini cyane, ni ubuhe bwoko bw'ibikoresho bigomba gukoreshwa mu gutwara imizigo?
Crane zo mu bwoko bwa Crawlerifite ubushobozi buhagije bwo gukoresha ingano nto n'uburemere.
Imashini zitwara abagenzi ku nkombeku nkono z'ibisuguti ziremereye cyane kandi ziremereye toni zirenga 28
Ahantu hose ho guterura ibintu hakozwe mu buryo bwa ikoranabuhanga kandi hapimwe kugira ngo harebwe ko hakorwa neza kandi hakurikije amategeko.
10. Umwanzuro
ASTM A27 Grade 70-36 ni ibikoresho byiza kandi bifite ubukungu buhagije byatoranijwe mu byuma bikoreshwa mu nganda zikenera imbaraga nyinshi. Imiterere yabyo ya mekanike, hamwe n'ubutabire bugenzurwa hamwe n'uburyo bukoreshwa mu bushyuhe bukwiye, bitanga icyizere n'umutekano mu gihe kirekire.
Twishimira ibyacuserivisi zo guhindura ibintu, umusaruro wihuta, naumuyoboro mpuzamahanga wo gutanga serivisi, kugenzura ko ibyo ukeneye byihariye byuzuzwa neza kandi neza.
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