Karma hlauyog ib qho hlau nickel-chromium-aluminium-iron alloy uas muaj kev ua tau zoo heev, siv dav ua cov khoom siv tseem ceeb rau cov resistors precision thiab cov cuab yeej ntsuas.

Nws qhov kev tiv taus zoo heev, qhov kub tsis tshua muaj coefficient ntawm kev tiv taus (TCR), thiab kev ua haujlwm ruaj khov ua rau nws tsis muaj qhov hloov pauv hauv kev lag luam precision. Phau ntawv qhia no pab cov kws tshaj lij hauv kev ntsuas qhov tseeb resistor thiab ntsuas cov cuab yeej xaiv cov hlau Karma zoo rau lawv cov haujlwm.

1. Vim li cas Karma Wire thiaj tseem ceeb rau cov Precision Resistors & Measurement Instruments

1.1 Cov Txiaj Ntsig Tseem Ceeb rau Cov Ntawv Thov Precision

Karma hlau sawv tawm hauv kev lag luam precision vim nws cov khoom tshwj xeeb:

- Kev tiv taus siab (1.33 μΩ·m ntawm 20 ℃), siab dua 2-3 npaug ntawm manganin, ua rau muaj cov qauv tsim resistor me me.

- TCR qis heev (± 20 ppm / ℃), ua kom ntseeg tau tias cov nqi tiv taus ruaj khov hauv qhov kub thiab txias hloov pauv.

- EMF thermal qis piv rau tooj liab (≤2.5 μV/℃), txo qhov yuam kev ntsuas hauv cov cuab yeej precision.

1.2 Lub Luag Haujlwm Tseem Ceeb hauv Cov Xwm Txheej Tseem Ceeb

Nws yog cov khoom siv zoo tshaj plaws rau cov resistors uas muaj qhov tseeb siab, cov ntsuas kev ntxhov siab, thiab cov ntsuas ntsuas.

Nws qhov kev ruaj khov ncaj qha txiav txim siab qhov tseeb thiab kev ntseeg tau ntawm cov cuab yeej hauv kev ntsuas aerospace, kev kho mob, thiab kev lag luam.

2. Cov Yam Tseem Ceeb Yuav Tsum Xav Txog Thaum Xaiv Karma Wire

2.1 Cov Tshuaj Lom Zem & Qib

Tus qauv qib rau kev siv precision yog Karma 6J22, nrog rau kev tswj hwm nruj me ntsis:

- Nickel (Ni): Sib npaug (kwv yees li 75%), Chromium (Cr): 19-21%, Aluminium (Al): 2.5-3.2%, Hlau (Fe): 2.0-3.0%.

Cov ntsiab lus tsis muaj kab (Si, Mn, C) raug txwv rau ≤0.5% kom ntseeg tau tias muaj kev ua haujlwm ruaj khov.

2.2 Txoj Kab Uas Hlais Hlau & Kev kam rau siab

Txoj kab uas hla ncaj qha cuam tshuam rau qhov tseeb ntawm kev ua haujlwm thiab kev ua tau zoo:

- Rau cov resistors precision: 0.018mm-0.10mm (me me rau cov qauv compact).

- Rau cov ntsuas ntsuas: 0.10mm-0.50mm (kev sib npaug ntawm kev ywj pheej thiab kev ruaj khov).

Kev kam rau siab yuav tsum yog ≤ ± 0.003 hli rau cov ntawv thov tseem ceeb kom tsis txhob muaj kev hloov pauv ntawm kev tiv thaiv.

2.3 Kev Kho Mob Nto

Muaj ob txoj kev kho qhov chaw uas siv tau rau ntau yam kev xav tau sib txawv:

- Qhov chaw ci ntsa iab: Precision-polished, zoo tagnrho rau cov ntawv thov uas xav tau solderability thiab aesthetic tsos.

- Qhov chaw oxidized: Zaj duab xis tiv thaiv ntom ntom, txhim kho kev tiv thaiv oxidation thiab kev ruaj khov mus sij hawm ntev ntawm qhov kub siab.

2.4 Kev Hloov Kho Kub

Xaiv raws li qhov kub ua haujlwm ntawm koj cov cuab yeej:

- Cov ntawv thov zoo li qub: Txog li 400 ℃, tsim rau cov qauv precision resistors.

- Cov ntawv thov dynamic: Txog li 800 ℃, zoo tagnrho rau cov ntsuas kub siab.

3. Karma Wire vs. Cov Hlau Alloy Zoo Sib Xws: Kev Sib Piv rau Kev Lag Luam Precision

Lub rooj hauv qab no pab koj paub qhov txawv ntawm Karma hlau los ntawm constantan (lwm txoj hauv kev) rau kev siv precision:

4. Cov Kauj Ruam Qhia Txog Kev Xaiv Karma Wire rau Koj Txoj Haujlwm

Kauj Ruam 1: Piav Qhia Txog Cov Kev Cai ntawm Daim Ntawv Thov

Txhais hom twj paj nruag (precision resistor, strain gauge, sensor) thiab ib puag ncig ua haujlwm (kub, av noo).

Piv txwv li, cov ntsuas kev ntxhov siab hauv qhov chaw kub qis (-269 ℃ txog 300 ℃) muab qhov tseem ceeb rau Karma hlau rau nws qhov kub thiab txias ruaj khov.

Kauj Ruam 2: Txheeb Xyuas Cov Lus Qhia Tshwj Xeeb

Xaiv lub cheeb, kev kam rau siab, thiab qib raws li tus nqi tsis kam thiab qhov chaw teeb tsa.

Rau cov resistors micro-precision, xaiv 0.02mm-0.05mm txoj kab uas hla nrog ± 0.001mm kev kam rau siab.

Kauj Ruam 3: Xaiv Kev Kho Mob Nto

Xaiv qhov chaw ci ntsa iab yog tias xav tau kev vuam; xaiv qhov chaw oxidized rau qhov kub siab lossis siv ntev.

Rau cov ntsuas kev ntxhov siab, cov ntaub qhwv tsis muaj tes (SP) raug pom zoo kom yooj ywm, thaum cov dots tinned (SD) yooj yim rau kev vuam.

Kauj Ruam 4: Txheeb Xyuas Qhov Zoo & Cov Qauv

Xyuas kom tseeb tias cov hlau ua raws li ASTM B267 thiab JB / T 5328 cov qauv rau kev ua haujlwm tas mus li.

Tshawb xyuas 100% kev sim ua ntej xa khoom (resistivity, TCR, diameter tolerance) kom tsis txhob muaj teeb meem zoo.

5. Peb Cov Hlau Karma: Tsim rau Cov Resistors Precision & Cov Cuab Yeej Ntsuas

5.1 Cov Lus Qhia Tag Nrho

Peb muab Karma 6J22 hlau nrog cov kab uas hla ntawm 0.018mm txog 1.50mm, phim txhua qhov kev xav tau ntawm kev lag luam precision.

Cov kev xaiv kam rau siab yog txij li ± 0.001mm txog ± 0.03mm, ua kom muaj kev tiv taus siab.

5.2 Cov Kev Daws Teeb Meem Uas Kho Tau Raws Li Koj Xav Tau

Muab kev kho qhov chaw raws li qhov xav tau (ci / oxidized) thiab qhov ntev txiav rau cov qauv ntsuas tshwj xeeb.

Kho cov khoom sib xyaw ua ke me ntsis rau kev them nyiaj rau tus kheej qhov kub thiab txias (STC) kom phim cov coefficients nthuav dav ntawm cov khoom siv sim.

5.3 Kev Tswj Xyuas Zoo Nruj

Kev tsim khoom siv lub tshuab nqus tsev ua kom muaj kev ntshiab siab (> 99.5%) thiab kev ua haujlwm zoo ib yam.

100% kev kuaj ua ntej xa khoom suav nrog kev tiv taus, TCR, thermal EMF, thiab kev kuaj xyuas txoj kab uas hla kom ua tau raws li cov qauv kev lag luam raug.

6. Xaus Lus

Kev xaiv cov hlau Karma zoo yog qhov tseem ceeb rau qhov tseeb thiab kev ntseeg tau ntawm cov resistors precision thiab cov cuab yeej ntsuas.

Los ntawm kev tsom mus rau qhov sib xyaw ua ke, txoj kab uas hla, kev kho qhov chaw, thiab kev hloov pauv kub, koj tuaj yeem xaiv cov hlau zoo tshaj plaws rau koj qhov project.

Peb cov hlau Karma zoo, tsim los rau kev lag luam precision, muab cov kev daws teeb meem ruaj khov thiab txhim khu kev qha.Tiv tauj pebrau cov lus qhia tshwj xeeb raws li koj cov kev xav tau ntawm cov cuab yeej.