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Nkumushinga wohereza ibicuruzwa mu mahanga mu Bushinwa, Ugereranije n’imbere mu gihugu, kohereza ibicuruzwa mu mahanga biri hejuru cyane mu myaka yashize, ikinyuranyo giterwa n’ibipimo bitandukanye. Sosiyete y'Abanyamerika y'inganda za plastiki (SPIAN-102-78) igabanya ibumba mu byiciro bitanu. Ubu bwoko butanu bwibibumbano bifite ibisabwa bitandukanye, kandi urwego rushyirwa mubikorwa rushobora gusa guhuza imashini itera inshinge zifata munsi ya toni 400.

Ibihe byubuzima inshuro zigera kuri miriyoni 1, idasanzwe kubushobozi buke bwibicuruzwa. Guhitamo icyuma cyiza cyo gukora, gihuye nuru rwego rukeneye igiciro kinini. Ibisabwa byerekanwe ku buryo bukurikira:

(1) Ukeneye kugira ibisobanuro birambuye byubushakashatsi.
(2) Ibishushanyo mbonera bisabwa byibuze BHN280 (HRC30).
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(4) Sisitemu yo gusohora igomba kugira sisitemu yo kuyobora.
(5) Igicapo cyo ku ruhande kigomba gushyirwaho isahani yo kwambara.
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(8) Ibi byiciro byose byo mucyiciro bigomba gushyirwaho uburyo bwo gufatisha umurongo kumurongo wo gutandukana.

ICYICIRO CYA 2

Ibihe byubuzima bugera kuri 500.000 kugeza 1 ， 000，000 inshuro. Gukora ibicuruzwa binini, ibyuma byiza bizakoreshwa mugukora, igiciro gihenze. Ibisabwa ni ibi bikurikira:

(1) bakeneye kugira ibisobanuro birambuye byubushakashatsi.
(2) Ibishushanyo mbonera bisabwa byibuze BHN280 (HRC30).
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(5) Ibishushanyo byose byubwoko bigomba gushyirwaho uburyo bwo gufatana hagati yumurongo utandukanijwe.
(6) Ibintu bikurikira birashoboka birasabwa cyangwa ntibisabwa, bitewe numusaruro wanyuma. Birasabwa ko ibyo bintu nabyo byerekana amagambo yemejwe.
Sisitemu yo kuyobora ibintu, Slider yambara isahani, kurwanya isuri Gukusanya ibintu byinshi, Electroplating on cavity (anti-corrosion).

ICYICIRO CYA 3

Inzinguzingo inshuro 500.000. Byakoreshejwe nkumubare wo hagati wibicuruzwa, igiciro kirumvikana. Ibisabwa ni ibi bikurikira:

(1) bakeneye kugira ibisobanuro birambuye byubushakashatsi.
(2) Ibishushanyo mbonera bisabwa byibuze BHN165 (HRC17).
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(4) ibindi bikoresho byose ni ubuntu guhitamo kubitanga.

ICYICIRO CYA 4

Ibihe byubuzima inshuro zigera ku 100.000. Kubushobozi buke bwibicuruzwa, ibikoresho byo kwambara birwanya ntabwo biri hejuru, igiciro kiri munsi yurwego rusanzwe. Ibisabwa ni ibi bikurikira:

(1) Tanga igitekerezo cyo gutanga amakuru yubushakashatsi.
(2) Urufatiro rushobora kuba ibyuma byoroheje cyangwa ibyuma bya aluminium.
(3) Ifumbire ya cavity irashobora kuba ibyuma bya aluminium, ibyuma byoroheje cyangwa ibindi bikoresho bishobora kumenyekana.
(4) Ibikoresho byose ni ubuntu guhitamo kubatanga isoko.

ICYICIRO CYA 5

Ibihe byizunguruka ntibirenza inshuro 500. Byakoreshejwe kubyara umubare ntarengwa wintangarugero yambere, igiciro kirahendutse cyane. Ibisabwa ni ibi bikurikira:

Imiterere yububiko irashobora kuba ibikoresho bipfa, epoxy resin, cyangwa ibindi bikoresho bitanga imbaraga zihagije zo kubyara umubare muto wibice.