Waya yeKarmawaya yesimbi inoshandiswa zvakanyanya ine nickel-chromium-aluminium-iron alloy, inoshandiswa zvakanyanya senzira huru yekudzivirira magadzirirwo esimbi nemazvo uye zvishandiso zvekuyera.

Kuramba kwayo zvakanaka, low temperature coefficient of resistance (TCR), uye kushanda kwayo kwakasimba zvinoita kuti isatsiviwe muindasitiri yekunyatsogadzirisa. Gwaro iri rinobatsira nyanzvi dziri mumunda we resistor chaiyo uye mudziyo wekuyera kusarudza waya yeKarma yakakodzera mapurojekiti avo.

1. Nei Karma Waya Yakakosha Kune Zvinodzivirira Zvakakwana & Zvishandiso Zvekuyera

1.1 Mabhenefiti Akakosha Ekushandisa Zvakarurama

Waya yeKarma inoonekwa zvakanyanya muindasitiri yehunyanzvi nekuda kwehunhu hwayo hwakasiyana:

- Kudzivirira kwakanyanya (1.33 μΩ·m pa20℃), kwakapetwa kaviri kana katatu kupfuura manganin, zvichiita kuti zvigadziriswe zve resistor.

- TCR yakaderera zvakanyanya (±20 ppm/℃), zvichiita kuti tembiricha isarambe ichichinja-chinja.

- EMF yakaderera yekupisa kana ichienzaniswa nemhangura (≤2.5 μV/℃), zvichideredza zvikanganiso zvekuyera mumidziyo yekunyatsojeka.

1.2 Basa Rakakosha Muzviitiko Zvakakosha

Ndiyo inonyanya kufarirwa pakushandisa ma resistors e wire-wound anonyatsogadzirwa, ma strain gauges, uye ma measurement sensors.

Kugadzikana kwayo kunosarudza zvakananga kururama uye kuvimbika kwezvishandiso muminda yekuyera yendege, yekurapa, uye yeindasitiri.

2. Zvinhu Zvikuru Zvekufunga Nezvekusarudza Karma Wire

2.1 Kuumbwa kweMakemikoro & Giredhi

Chiyero chakajairika chekushandisa nemazvo iKarma 6J22, ine musanganiswa wakanyatsodzorwa:

- Nickel (Ni): Kuyera (inenge 75%), Chromium (Cr): 19-21%, Aruminiyamu (Al): 2.5-3.2%, Iron (Fe): 2.0-3.0%.

Zvinhu zvinotevedzana (Si, Mn, C) zvinogumira pa ≤0.5% kuti zvive nechokwadi chekuti mashandiro akasimba.

2.2 Dhayamita yewaya & Kushivirira

Dhayamita inokanganisa zvakananga kururama kwekuramba uye kugona kwekugadzirisa:

- Kune zvinodzivirira zvakarurama: 0.018mm-0.10mm (dhayamita diki yemagadzirirwo akamanikana).

- Kune masensa ekuyera: 0.10mm-0.50mm (kuenzana kwekuchinjika uye kugadzikana).

Kushivirira kunofanira kuva ≤±0.003mm pakushandiswa kwakakosha kudzivirira kutsauka kweresistance.

2.3 Kurapa Pamusoro

Mishonga miviri yakajairika pamusoro inowanikwa kune zvakasiyana siyana zvinodiwa:

- Nzvimbo inopenya: Yakanyatsokwenenzverwa, yakakodzera kushandiswa kunoda kuchinjika uye chitarisiko chakanaka.

- Pamusoro peokisijeni: Firimu rekudzivirira rakakora, rinowedzera kudzivirira okisijeni uye kugadzikana kwenguva refu pakupisa kwakanyanya.

2.4 Kuchinjika paTembiricha

Sarudza zvichienderana nekupisa kwekushanda kwemidziyo yako:

- Mashandisirwo asingachinji: Kusvika 400℃, yakakodzera ma resistors akajairika ekunyatsorurama.

- Mashandisirwo anochinja-chinja: Kusvika 800℃, yakakodzera masensa ekuyera tembiricha yepamusoro.

3. Waya yeKarma vs. Waya dzeAlloy Dzakafanana: Kuenzanisa Indasitiri Yekunyatsoongorora

Tafura iri pazasi inokubatsira kusiyanisa waya yeKarma kubva ku constantan (imwe nzira yakajairika) yekushandisa nemazvo:

4. Nhungamiro yeNhanho-Nhanho yekusarudza Karma Waya yePurojekiti Yako

Danho 1: Tsanangura Zvinodiwa Pakushandisa

Tsanangura rudzi rwechishandiso (precision resistor, strain gauge, sensor) uye nzvimbo yekushanda (tembiricha, hunyoro).

Semuenzaniso, mageji ekustrain ari munzvimbo dzine tembiricha yakaderera (-269℃ kusvika 300℃) anonyanya kukosha paKarma wire nekuda kwekugadzikana kwayo patembiricha.

Danho rechipiri: Sarudza Magadzirirwo

Sarudza dhayamita, kushivirira, uye giredhi zvichibva pahukuru hwekudzivirira uye nzvimbo yekuisa.

Kune ma micro-precision resistors, sarudza dhayamita ye 0.02mm-0.05mm ine ±0.001mm tolerance.

Danho rechitatu: Sarudza Kurapwa Kwepamusoro

Sarudza nzvimbo yakajeka kana zvichidikanwa kusungirira; sarudza nzvimbo yakasanganiswa ne oxidized kuti ishandiswe pakupisa kwakanyanya kana kwenguva refu.

Pakuyera strain, ma naked solder pads (SP) anokurudzirwa kuti agone kuchinjika, nepo matinned dots (SD) achirerutsa kusungirirwa.

Danho rechina: Simbisa Hunhu & Maitiro

Iva nechokwadi chekuti waya inoenderana neASTM B267 uye JB/T 5328 zvinodiwa kuti ishande zvakanaka nguva dzose.

Tarisa kuti uone kana paine bvunzo yakakwana ye100% usati wasvika (resistivity, TCR, diameter tolerance) kuti usasangana nematambudziko emhando yepamusoro.

5. Waya Yedu yeKarma: Yakagadzirirwa Zvinodzivirira Zvakanyanya & Zvishandiso zvekuyera

5.1 Magadzirirwo Akazara

Tinopa waya yeKarma 6J22 ine dhayamita kubva pa0.018mm kusvika 1.50mm, inoenderana nezvinodiwa neindasitiri zvine hungwaru.

Sarudzo dzekushivirira dzinotangira pa ±0.001mm kusvika ±0.03mm, zvichiita kuti dzirambe dzakasimba.

5.2 Mhinduro Dzakagadzirirwa

Ipai mushonga wepamusoro wakagadziriswa (wakajeka/wakasanganiswa) uye kucheka urefu hwemagadzirirwo emidziyo chaiyo.

Gadzirai musanganiswa we alloy zvishoma kuti muwane muripo wekupisa wega (STC) kuti uenzane nekuwedzera kwema coefficients ekushandisa pakuedza.

5.3 Kudzora Hunhu Zvakasimba

Kugadzirwa kwemuchina wakanyungudutswa ne vacuum kunoita kuti pave nekuchena kwakanyanya (>99.5%) uye kushanda kwakafanana.

Kuyedzwa kwe100% usati wasvika kunosanganisira resistivity, TCR, thermal EMF, uye dhayamita kuti zvienderane nezvinodiwa neindasitiri.

6. Mhedziso

Kusarudza waya yeKarma yakakodzera kwakakosha pakururama uye kuvimbika kwezvinodzivirira nemazvo uye zvishandiso zvekuyera.

Nekutarisa pakuumbwa kwayo, dhayamita, kugadziriswa kwenzvimbo, uye kuchinjika kwekupisa, unogona kusarudza waya yakakodzera purojekiti yako.

Waya yedu yeKarma yemhando yepamusoro, yakagadzirirwa indasitiri yekunyora nemazvo, inopa mhinduro dzakagadzikana uye dzakavimbika.Taura nesukuti uwane mazano akagadzirirwa iwe pachako zvichienderana nezvinodiwa nemidziyo yako chaiyo.