Whakaahuatanga Hua
Ko enei waea whakaahuru kua whakamahia whanui mo nga parenga paerewa, motuka
nga waahanga, nga parenga awhiowhio, me etahi atu ma te whakamahi i te tukatuka whakamaarama e tino pai ana mo enei tono, me te whakamahi i nga ahuatanga motuhake o te paninga tohu.
I tua atu, ka mahia e matou te whakamaarama paninga tohu o te waea whakarewa utu nui penei i te waea hiriwa me te waea konukawata i runga i te ota. Tena koa whakamahia tenei hanga-i runga i te ota.
Momo Waea Waea Karekau
Ko te koranu ka taea e tatou te mahi tohu ko te Waea konupora-nikeli koranu, Waea Constantan, Waea Manganin. Waea Kama, Waea NiCr Alloy, Waea FeCrAl Alloy aha atu waea koranu
Rahi:
Waea a tawhio noa: 0.018mm ~ 2.5mm
Te tae o te whakamaarama tohu: Whero, Kakariki, Kowhai, Pango, Kahurangi, Nature etc.
Rahi Ripene: 0.01mm * 0.2mm ~ 1.2mm * 5mm
Moq:5kg ia rahi
Whakaahuatanga parahi:
Te parahihe huānga matū me te tohuCu(mai i te reo Ratini:kapumu) me te nama ngota 29. He konganuku ngohe, he ngawari, he ngongo hoki he tino teitei te wera me te hiko. He karaka-whero-whero te tae o te mata hou o te parahi parakore. Ka whakamahia te parahi hei kaikawe i te wera me te hiko, hei taonga hanga whare, hei whakaurunga o nga momo koranu whakarewa, penei i te hiriwa paipa i whakamahia hei whakapaipai, te cupronickel hei hanga taputapu moana me nga moni, me te constantan e whakamahia ana i roto i nga ine riaka me nga thermocouples. mo te ine pāmahana.
Ko te parahi tetahi o nga konganuku iti ka puta mai i te taiao i roto i te ahua whakarewa tika (metara taketake). Na tenei i tino whakamahia e te tangata i nga rohe maha, mai i c. 8000 BC. He mano tau i muri mai, koinei te whakarewa tuatahi i whakarewahia mai i nga oka sulfide, c. 5000 BC, ko te whakarewa tuatahi i maka ki te hanga i roto i te pokepokea ai, c. 4000 BC me te whakarewa tuatahi i whakauruhia ki tetahi atu whakarewa, he tine, hei hanga parahi, . 3500 BC.
Ko nga puhui e kitea nuitia ana he tote parahi(II), he maha nga wa ka hoatu he tae kikorangi, he kakariki ranei ki nga kohuke penei i te azurite, te malachite, me te turquoise, a kua whakamahia whanuitia me nga korero o mua hei poaka.
Ko te parahi e whakamahia ana i roto i nga whare, i te nuinga o te waa mo te tuanui, ka oxidizes ki te hanga i te verdigris matomato (te patina ranei). I etahi wa ka whakamahia te parahi i roto i nga mahi toi whakapaipai, i roto i te ahua o te whakarewa me te whakauru hei whakangao. Ka whakamahia nga puhui konukura hei maataki bacteriostatic, fungicides, me te tiaki rakau.
He mea nui te konukura ki nga rauropi ora katoa hei kohuke kai na te mea he mea nui tera o te whaariki rewharewha matatini cytochrome c oxidase. I roto i te molluscs me te crustaceans, he konupora te konukura i roto i te whakangao toto hemocyanin, ka whakakapihia e te hemoglobin-a-rino i roto i nga ika me etahi atu vertebrates. I roto i te tangata, ka kitea te parahi i roto i te ate, te uaua, me te wheua. Kei te tinana pakeke kei waenganui i te 1.4 me te 2.1 mg o te parahi mo ia kirokaramu o te taumaha tinana.
Momo Waihanga
Ingoa whaka-a-ira | Taumata NgawhaºC (wa mahi 2000h) | Ingoa Waehere | Waehere GB | ANSI. MOMO |
Waea whakaingoa polyurethane | 130 | UEW | QA | MW75C |
Waea whakawhaiaro polyester | 155 | PEW | QZ | MW5C |
Waea whakawhaiaro polyester-imide | 180 | EIW | QZY | MW30C |
Ko te polyester-imide me te polyamide-imide he waea whakakikorua rua | 200 | EIWH (DFWF) | QZY/XY | MW35C |
Waea whakaingoa polyamide-imide | 220 | AIW | QXY | MW81C |