Wehewehe Huahana
Ua hoʻohana nui ʻia kēia mau uea kū'ē enameled no nā resistors maʻamau, nā kaʻa
nā ʻāpana, nā pale wili, a pēlā aku e hoʻohana ana i ke kaʻina hana insulation kūpono loa no kēia mau noi, e hoʻohana pono ana i nā hiʻohiʻona ʻokoʻa o ka uhi enamel.
Eia kekahi, e hoʻokō mākou i ka uhi enamel insulation o ka uea metala makamae e like me ke kālā a me ka uea platinum ma ke kauoha. E ʻoluʻolu e hoʻohana i kēia hana-ma-ke kauoha.
Waiwai Karma
| inoa | code | ʻAno Nui (%) | Kūlana Maʻamau
| |||
| Cr | Al | Fe | Ni | |||
| Karma | 6J22 | 19~21 | 2.5~3.2 | 2.0~3.0 | kaulike | JB/T 5328 |
| Inoa | Kōkuhi | (20ºC) Kū'ē ikaika | (20ºC) Ka helu mahana. O ke kū'ē | (0~100ºC) Ka wela EMF vs. Keleawe | Hana nui g | (%) ʻElongati on | (N/mm2) Uhi Ikaika | Kūlana Maʻamau |
| Karma | 6J22 | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | >7 | ≥780 | JB/T 5328 |
4. Nā hiʻohiʻona ʻokoʻa o ke kaula pale Karma
1) E hoʻomaka ana me ka uea wela uila Nickel Chromium Class 1, ua pani mākou i kekahi o nā Ni me
ʻO Al a me nā mea ʻē aʻe, a pēlā i hoʻokō ai i kahi mea kūpaʻa pololei me ka hoʻomaikaʻi ʻia
ke koina mahana kū'ē a me ka ikaika electromotive wela e kū'ē i ke keleawe.
Me ka hoʻohui ʻana o Al, ua holomua mākou i ka hana ʻana i ka resistivity volume 1.2 mau manawa ʻoi aku ka nui
ma mua o ka uea wela uila Nickel Chromium Class 1 a me ka ikaika tensile 1.3 mau manawa ʻoi aku ka nui.
2) He liʻiliʻi loa ke koina mahana lua β o ke kaula Karmalloy KMW, - 0.03 × 10-6/ K2,
a ʻo ke kiʻikuhi mahana kū'ē e lilo ia i kokoke i kahi laina pololei i loko o kahi ākea
pae mahana.
No laila, ua hoʻonohonoho ʻia ke koina mahana e lilo i koina mahana awelika ma waena
23 ~ 53 °C, akā ʻo 1 × 10-6/K, ʻo ke koina mahana awelika ma waena o 0 ~ 100 °C, hiki nō hoʻi
e hoʻohana ʻia no ke koina mahana.
3) He liʻiliʻi nō hoʻi ka ikaika electromotive e kūʻē i ke keleawe ma waena o 1 ~ 100 °C, ma lalo o + 2 μV/K, a
hōʻike i ke kūpaʻa maikaʻi loa no nā makahiki he nui.
4) Inā hoʻohana ʻia kēia ma ke ʻano he mea pale pololei, hana ʻia ka mālama wela haʻahaʻa
pono e hoʻopau i nā hoʻopilikia hana e like me ke ʻano o ka uea Manganin CMW.
ʻAno o ka pale ʻana
| Inoa enamel-insulation | Pae WeraºC (manawa hana 2000h) | Inoa Kōmike | Kōmike GB | ʻAno ANSI |
| Uea enamelled polyurethane | 130 | ʻUEW | QA | MW75C |
| Uea enamelled polyester | 155 | PEW | QZ | MW5C |
| Uea enamelled polyester-imide | 180 | EIW | QZY | MW30C |
| ʻO ka polyester-imide a me ka polyamide-imide i uhi pālua ʻiauea enamel | 200 | ʻEIWH (DFWF) | QZY/XY | MW35C |
| Uea enamelled polyamide-imide | 220 | AIW | QXY | MW81C |

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