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.
ʻAno o ka Uea Nichrome
NiCr80/20,NiCr70/30,NiCr60/15,NiCr90/10,NiCr35/20,NiCr30/20
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 |
ʻAno o ka Uea Alloy ʻōlohelohe
ʻO ka mea hoʻohuihui hiki iā mākou ke hana i ka enamelled he uea keleawe-nickel, uea Constantan, uea Manganin. Kama Wire, uea NiCr Alloy, uea FeCrAl Alloy etc.
| mea nui waiwai ʻano | ʻO Cuni1 | ʻO CuNI2 | CuNI6 | CuNi8 | CuNI10 | CuNi19 | CuNi23 | CuNi30 | CuNi34 | CuNI44 | |
| mea nui kemika haku mele | Ni | 1 | 2 | 6 | 8 | 10 | 19 | 23 | 30 | 34 | 44 |
| MN | / | / | / | / | / | 0.5 | 0.5 | 1.0 | 1.0 | 1.0 | |
| CU | hoʻomaha | hoʻomaha | hoʻomaha | hoʻomaha | hoʻomaha | hoʻomaha | hoʻomaha | hoʻomaha | hoʻomaha | hoʻomaha | |
| ka nui loa e hana ana mahana | / | 200 | 220 | 250 | 250 | 300 | 300 | 350 | 350 | 400 | |
| ka nui o ka paʻa g/cm3 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | |
| ke kū'ē ʻana ma 20°c | 0.03 ± 10% | 0.05± 10% | 0.10± 10% | 0.12± 10% | 0.15± 10% | 0.25± 5% | 0.30± 5% | 0.35± 5% | 0.40± 5% | 0.49± 5% | |
| mahana koina o ke kū'ē | <100 | <120 | <60 | <57 | <50 | <25 | <16 | <10 | -0 | <-6 | |
| ʻūmiʻi ikaika mpa | >210 | >220 | >250 | >270 | >290 | >340 | >350 | >400 | >400 | >420 | |
| hoʻolōʻihi | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | >25 | |
| hoʻoheheʻe ʻana kiko °c | 1085 | 1090 | 1095 | 1097 | 1100 | 1135 | 1150 | 1170 | 1180 | 1280 | |
| koina o alakaʻi uila | 145 | 130 | 92 | 75 | 59 | 38 | 33 | 27 | 25 | 23 |
uea hoʻomehana nicr8020
1.E pili ana i ka uea Nichrome
ʻO ke kinikini Nichrome e komo pū ana me ka nickel maʻemaʻe, ka kinikini NiCr, ka kinikini Fe-Cr-Al a me ke kinikini keleawe.
Nā mea hoʻohui nikala chrome: Ni80Cr20, Ni70Cr30, Ni60Cr15, Ni35Cr20, Ni30Cr20, Cr25Ni20, nikala maʻemaʻe Ni200 a me Ni201
2. Ka Pōmaikaʻi Nui a me ka Noi ʻana
1. Nickel-chromium, he hui nickel-chromium me ke kūpaʻa kiʻekiʻe a paʻa, kūpaʻa i ka pala, maikaʻi ke kūpaʻa ʻana i ka ʻokikene ʻili, ʻoi aku ka maikaʻi ma mua o ke kiʻekiʻe o ka mahana a me ka ikaika seismic, ductility maikaʻi, hana maikaʻi a me ka weldability.
2. Hoʻopili nui kā mākou huahana i ka ʻoihana kemika, ka mīkini metallurgy, ka ʻoihana aniani, ka ʻoihana seramika, ka ʻāpana lako home a pēlā aku.
1) Ke ʻano kemika:
| Lama | ʻAno kemika | Si | Cr | Ni | Al | Fe | |||
| C | P | S | Mn | ||||||
| ʻAʻole ʻoi aku ma mua o | |||||||||
| Cr20Ni80 | 0.08 | 0.020 | 0.015 | 0.60 | 0.75-1.60 | 20.0-23.0 | noho | ≤0.50 | ≤1.0 |
| Cr15Ni60 | 0.08 | 0.020 | 0.015 | 0.60 | 0.75-1.60 | 15.0-18.0 | 55.0-61.0 | ≤0.50 | noho |
| Cr20Ni35 | 0.08 | 0.020 | 0.015 | 1.00 | 1.00-3.00 | 18.0-21.0 | 34.0-37.0 | - | noho |
| Cr20Ni30 | 0.08 | 0.020 | 0.015 | 1.00 | 1.00-2.00 | 18.0-21.0 | 30.0-34.0 | - | noho |
2) Ka nui a me nā hoʻomanawanui
Ke kūlana "M" ka huahana, pono e hahai ʻia ke kūlana GB/T1234-1995
1) Kū'ē:
| Lama | Cr20Ni80 | Cr20Ni60 | Cr20Ni35 | Cr20Ni30 | ||
| Anawaena mm | <0.50 | 0.50-3.0 | <0.50 | ≥0.50 | <0.50 | ≥0.50 |
| ke kū'ē (20°C)uΩ·m | 1.09±0.05 | 1.13±0.05 | 1.12±0.05 | 1.15±0.05 | 1.04±0.05 | 1.06±0.05 |
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