Imiterere yikibanza cyubusitani bwubusitani bwibimera bifite uburebure bwa metero 30, uburebure bwa metero 35.4 nuburebure bwa metero 155.
1. icyuma cyumwanya wicyuma cyubwoko: ikibanza cyicyuma kibase, hasi ya chord.
2. Igishushanyo mbonera cyinyubako ni imyaka 50, ubuzima bwa serivise yubuzima: imyaka 50;urwego rwinyubako yumutekano urwego: Icyiciro cya II.
3. Ubukomezi bwa Seisimike: dogere 7, itsinda rya kabiri ryamatsinda yimitingito, ibishushanyo mbonera byihuta byihuta: 0.15g.Icyiciro cyo gushimangira ibyiciro: icyiciro cyo gukomera.
4. Iyi njwi igomba kubakwa ifatanije n "" Igishushanyo Cyibanze cyo Gufunga Urusobekerane Rufunga Imiyoboro Yipakurura Imodoka "(T0202) na" Igishushanyo mbonera cy’imodoka zipakurura imodoka zifunze "(T0204).
5ibikoresho: Q235B, ibyuma bigomba kuba byujuje ubuziranenge bwigihugu "ibyuma-bito bito-bikomeye-byubaka ibyuma" GB / T1591;
Kandi igomba kuba yujuje "Ibikoresho byubatswe".
6. Umupira wa Bolt: Ikozwe muri No 45 ibyuma muri "High Carbon Structural Steel" (GB / T 699) ukoresheje ibishyushye, hanyuma bigatunganywa.
Ubuso bugomba kuba bworoshye, nta gucamo, nta gutwika, nta gutobora.Urudodo rugomba kubahiriza ibisabwa byinsanganyamatsiko zisanzwe muri "Ibipimo fatizo byinsanganyamatsiko zisanzwe" (GB / T 196), kandi kwihanganira urudodo bigomba kuba icyiciro cya 6H nkuko bigaragara muri "Tolerances Thread" (GB / T 197).
Imiterere nubunini bwa bolts bigomba kuba byujuje ibyangombwa byigihugu bigezweho "Imbaraga zikomeye zo kumashanyarazi yicyuma no guhuza imipira" (GB / T 16939).
Igihe cyo kohereza: Werurwe-09-2022