Tikanga mo te hanga hiri mauri kauwhata

Nga waahi hangarau

[0001] to matou puni puni ki ahiri mauri kauwhata, ina koa ki tetahi tikanga hanga hiri e mau ana i te kauwhata. 

Hangarau papamuri

[0002] Ko te karekau hiri whaanui he mea hanga mai i te whakarewa, i te kirihou ranei, he ngawari te whakarewa me te kirihou i te wera nui, a ko te tikanga karekau te whakarewa i te waikura. Ka taea e te ringaringa hiri te hanga mai i nga mea graphite te whakanui ake i te whakahinuhinu me te whakaheke i te aukati waku, engari kaore e taea e ia te whakatutuki i nga whakaritenga o te aukati teitei o te pāmahana me te aukati waikura. 

[0003] ko ta matou kawe kauwhata e whai ana ki te whakaoti i nga ngoikoretanga o nga mahi toi o mua me te whakarato i tetahi tikanga mo te hanga i te uhi hiri mauri kauwhata me te pai o te hiri hiri me te teitei o te wera me te waikura.

[0004] Ko te kaupapa hangarau o to tatou puni he penei: he tikanga mo te hanga i te envelop hiri hiri, ko te graphite e mau ana i te hiri hiri he mea hanga mai i nga rauemi graphite pehi isostatic kaha teitei, a ko nga rawa kauwhata ka whakapourihia ki te parapara me te kapia phenolic. I muri i te impregnation, ka tukinotia e te warohanga wera nui.

[0005] Hei whakapai ake i to maatau puni, ko nga rawa kauwhata mo te hanga hiri mauri kauwhata he kauwhata pehi isostatic kaha teitei. Mena kaore i te teitei te whakaritenga hiri, kaore e taea te whakapouri, ki te mea he nui te hiahia o te hiri, me whakapouri. Ko te rauemi impregnation he uku me te kapia phenolic.

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[0006] He painga: ko te hiri e mau ana i te kauwhata o to taatau puni he paanga o te parenga waikura me te aukati teitei o te pāmahana i muri i te impregnation me te warohanga o te parapara me te kapia phenolic, a ka taea te whakatutuki i nga whakaritenga o te hiri teitei i te wa ano.

[0007] He tikanga mo te hanga hiri mauri kauwhata e mau ana i te kohatu isobaric kaha teitei. Ko nga mea graphite e toru nga wa e whakamauhia ana i roto i te parapara me te kapia phenolic, ka toru nga wa e tukinotia ana e te warohanga teitei o te pāmahana i muri i te impregnation.

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