Nga ekitundu ekikulu ekya laasitiki eky’enkola y’okusiba eggaali y’omukka, ebikwaso by’eggaali y’omukka eby’ensi yonna bituukirizibwa okwetoloola ebipimo bina ebikulu: ebikozesebwa, omulimu, okugezesa, n’okukozesa. Enkola okutwaliza awamu eraga ensengeka ya "omutindo ogukkirizibwa mu nsi yonna ogukulembera, omutindo gw'ebitundu oguwa ebikwata ku nsonga, n'omutindo gw'eggwanga ogukwatagana n'embeera ez'enjawulo." Omulimu gwabwe omukulu kwe kulungamya dizayini, okufulumya, okugezesa, n’okukozesa ebikwaso bya laasitiki, okukakasa nti bikyusibwakyusibwa, obukuumi, n’okuwangaala okuyita mu nsi ez’enjawulo ne layini z’eggaali y’omukka, nga bikwata ku mbeera z’eggaali y’omukka ez’enjawulo omuli eggaali y’omukka eya bulijjo, ey’okusitula ebintu ebizito, n’ey’amaanyi-ey’amaanyi. Mu kiseera kino, omutindo gw’ensi yonna ogw’eggaali y’omukka ogwa elastic clip gusinga kwawulwamu biti bisatu: omutindo ogukkirizibwa mu nsi yonna, omutindo ogugatta mu bitundu, n’omutindo ogw’enjawulo eri amawanga amanene. Omutindo guno gujjulizagana, nga buli gumu gulina essira, nga byonna awamu gukola enkola y’omutindo gw’ensi yonna enzijuvu.
1. Emitendera egyekuusa ku kibiina ky’ensi yonna ekivunaanyizibwa ku mutindo (ISO).
1. Emitendera egyekuusa ku kibiina ky’ensi yonna ekivunaanyizibwa ku mutindo (ISO).
Essira erisinga kulissa ku kugezesa ebintu eby’emiguwa egya laasitiki n’okugezesa enkola y’ebisiba, nga guno gwe musingi gw’okukola n’okugezesa emiguwa gya laasitiki mu nsi yonna. Okusinga mulimu:
- ISO 22074 series: "Engeri y'eggaali y'omukka-Tracks-Fastening System Test Methods" etangaaza enkola z'okugezesa n'omutindo gw'okusalawo ku bikulu ebiraga nga puleesa ya clip, okukaluba kw'okusitula, obulamu bw'obukoowu, n'enkola y'okuziyiza. Ye nsonga enkulu ey’enjawulo ey’okukakasa omulimu gwa clip.
- ISO 5948: "Spring Steel Testing Standard" eraga obutonde bw'eddagala, eby'ebyuma, ensengekera y'ebyuma n'ebyetaago ebirala eby'ekyuma kya spring ekikozesebwa ku spring bars, era egaba omutindo ogw'omuggundu ogw'okulonda ebintu mu spring bars.
Ennyonnyola y'ebintu
2. Emitendera egyekuusa ku mukago gw’eggaali y’omukka ogw’ensi yonna (UIC) Ekoleddwa naddala ku bitundu by’oluguudo lw’eggaali y’omukka, emitendera gino gituukiriza bulungi ebyetaago byennyini eby’emirimu gy’eggaali y’omukka era gikola ng’omusingi omukulu ogw’enkolagana y’eggaali y’omukka ey’ensi yonna. Okusinga mulimu: - UIC 860 series: "General Technical Conditions for Rail Fasteners", ekwata ku misingi gya dizayini, okugumiikiriza ebipimo, okulongoosa kungulu, n'ebyetaago by'okussaako ebikwaso bya laasitiki, era etangaaza ku byetaago by'okukwatagana wakati w'ebikwaso bya laasitiki n'eggaali y'omukka ne paadi z'ekyuma, era ekwata ku layini z'eggaali y'omukka ez'enjawulo ez'ensi yonna. - UIC 712-3: "Specification for Fatigue Testing of Rail Fasteners" essira erisinga kulissa ku nkola y'okugezesa obulamu bw'obukoowu ku bikwaso bya laasitiki, nga kyetaagisa nti ebikwaso bya laasitiki tebiraga nnyatika oba okulemererwa wansi w'emigugu egy'enjawulo egy'enzirukanya okukakasa obwesigwa bw'emirimu.
3. Omutindo gwa Bulaaya (EN) .
Emikutu gy’eggaali y’omukka mu mawanga ga Bulaaya gikwatagana nnyo era girina omutindo ogwa waggulu ogw’enjawulo. Omutindo omukulu gwenkanankana n’okutwala oba okulongoosa omutindo gw’ensi yonna era gukola ku mawanga ga Bulaaya n’amawanga agakwata ebika by’eggaali y’omukka ebya Bulaaya. Okusinga mulimu:
- EN 13481 series: "Ebikozesebwa mu ggaali y'omukka-Emitendera-Ebyetaagisa mu nkola y'enkola z'okusiba" gwe mutindo omukulu ogw'ebitundu by'Abazungu era nga gwawuddwamu ebitundu bisatu: Ekitundu 1 (ebyetaago eby'awamu), Ekitundu 2 (ebisiba ekkubo eririko ballasted, okunnyonnyola ebiraga omulimu gw'ebikozesebwa ebitera okukozesebwa nga ebitundu bya Class C), n'ekitundu 3 (ebisiba ekkubo ebitaliiko ballast, ebisaanira ku layini z’eggaali y’omukka ez’amaanyi-sipiidi n’ez’emirimu emizito-).
- Omutindo oguwagira: Omutindo gwa DIN ogwa Girimaani (DIN 17221 "Spring Steel Specification", DIN EN 13481, ogwenkana omutindo gwa Bulaaya), omutindo gwa BS ogwa Bungereza (BS EN 13481, ogwenkana omutindo gwa Bulaaya), ogwongera okulongoosa enkola y'okufulumya n'ebikwata ku kugezesa.
4.North American Standard Nga eggaali y’omukka mu Amerika ne Canada ye core, ekwatagana n’engeri za layini z’emigugu emizito n’emigugu eminene egya aksii mu North America. Omutindo gussa essira ku nkola n’okuwangaala. Okusinga mulimu: - omutindo gwa AREMA (American Railway Engineering and Maintenance Association): Essuula 3 "Enzimba y'eggaali y'omukka" eya "Railway Engineering Manual" etangaaza ku puleesa y'okusiba, obulamu bw'obukoowu, n'ebintu ebyetaagisa mu bbaala za laasitiki. Ekyuma kya AISI 6150 eky'omu nsenyi kitera okukozesebwa, era kigamba nti puleesa y'okusiba kw'embaawo za laasitiki erina okutuuka ku 10-15kN, era obulamu bw'obukoowu tebulina kuba wansi wa mirundi 3×106. - omutindo gwa ASTM: ASTM A232 "Spring Steel Specification" ne ASTM E466 "Fatigue Test Method" ziwa obuyambi obw’ekikugu mu kugezesa ebintu eby’omu nsenyi n’okugezesa emirimu, era nga bikozesebwa wamu n’omutindo gwa AREMA. ### 3. Emitendera egy’enjawulo egy’ensi enkulu- (egituukana n’embeera z’eggwanga, ebifaananyi eby’enjawulo) Buli nsi egatta engeri zaayo ez’enkola y’eggaali y’omukka (nga sipiidi y’eggaali y’omukka ey’amaanyi-, omugugu gwa aksii ogw’amaanyi, ebikwata ku kika ky’eggaali y’omukka) era n’ekola omutindo gwayo nga yesigamye ku mutindo gw’ensi yonna n’ogw’ekitundu okulambulula ebyetaago by’eby’ekikugu n’ebiragiro ebikwata ku muze gw’eggaali y’omukka ebbaala za laasitiki ezitera okukozesebwa mu ggwanga okulaba ng’etuukiriza ebyetaago bya layini zaayo.
5. Omutindo gwa Girimaani (Oguwagira enkola ya Vossloh) Okusinziira ku nkola ya Girimaani ey’okusiba Vossloh, omutindo ogw’enjawulo ogwa elastic strip gukoleddwa, nga gulimu snap pressure grading, nga eno esaanira layini z’eggaali y’omukka mu mawanga ga Bulaaya n’amawanga mangi okwetoloola ensi yonna: - Core standards: EN 10089 (Spring Steel Specification), DIN 17221, clarify the technical requirements ku SKL series spring bars (SKL 12/15/18), nga mu bino SKL 15 spring bars zirina buckle pressure ya 15kN, ezisaanira UIC60 rails, era ze zisinga okukozesebwa. 6. British Standard (Pandrol system supporting) Enkola ya British Pandrol fastener system essira erisinga kulissa ku heavy-duty and quick installation requirements. Omutindo omukulu ye BS EN 13481. Ebikwaso ebiragiddwa mulimu PR series (puleesa ey’okubuuka ey’amaanyi, esaanira eggaali y’omukka enzito-), enkola ya Fast Clip (ebikwaso ebikuŋŋaanyiziddwa nga tebinnabaawo, ebiwagira okuteekebwa mu byuma), n’ebikwaso bya Nabla (blade-shaped design, ebisaanira ebyuma ebiwanirira ebyuma ebitongole).
7. Other country/region standards - Japan: JIS E 1115 "Track Fastener Standard", featuring the E-type clip series, suitable for Japan's narrow gauge and Shinkansen high-speed rail lines, focusing on lightweight and elastic adaptation. - Russia: GOST 31385 "Technical Conditions for Railway Fasteners", ekwatagana ne layini za Russia ezigazi, etangaaza ku bintu, obunene n’ebyetaago by’okulwanyisa -okukulukuta kw’emiguwa egy’ekika kya elastic, era ekwatagana n’eggaali y’omukka eya mutindo gwa Russia n’ebyuma ebiwanirira ebyuma. - Australia: AS 1085.14 "Track Fastener Standard", etuukiridde ku ggaali y’omukka eya Australia enzito-haul, erina ebyetaago ebya waggulu ku obulamu bw’obukoowu n’okuziyiza okukulukuta kw’embaawo za laasitiki.
8. Omutindo gw’Abachina (TB/T Series) .
Okutuukagana n’ebyetaago eby’enjawulo eby’eggaali y’omukka eya bulijjo, ey’amaanyi-sipiidi, n’ey’amaanyi-ey’okusitula, enkola y’eggaali y’omukka eya laasitiki enzijuvu ekoleddwa, ng’omusingi gwayo mulimu:
- TB/T 3065 series: Railway Fastener Springs (latest version TB/T 3065-2020), ezibikka ku nsulo ezikozesebwa ennyo nga Type I, Type II, ne Type III, era nga ziraga amaanyi g’okusiba, okutambula kwa spring, n’ebintu ebyetaagisa ku springs ez’enjawulo (ebiseera ebisinga 60Si2MnA ne 60Si2CrA spring steel).
- TB/T 3395.3-2015: Omutindo ogw’enjawulo ku bikwaso bya laasitiki eby’eggaali y’omukka eby’embiro enkulu-, eteeka mu maaso ebyetaago eby’amaanyi ku bugumu, obulamu bw’obukoowu n’omutindo gw’okuziyiza ebyuma ebiziyiza eggaali y’omukka (ballastless track elastic clips), era nga gusaanira layini z’eggaali y’omukka ez’amaanyi nga zirina sipiidi ya 350km/h n’okudda waggulu.
Mu nkola, pulojekiti z’eggaali y’omukka nnyingi zikulembeza omutindo gwa UIC ne EN okulaba nga zikwatagana okusala-ensalo. Omutindo gw’eggwanga guwa obulagirizi obw’enjawulo ku mbeera ez’enjawulo ez’emirimu. Okutwaliza awamu, omutindo gwa elastic clip guzingiramu okulonda ebintu, dizayini y’ebizimbe, n’okukola kw’obukoowu, okuwa omusingi omunywevu ogw’emirimu gy’eggaali y’omukka egy’obukuumi era egyesigika mu nsi yonna.
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