Wayar Karmawaya ce mai ƙarfi ta nickel-chromium-aluminum-iron, wacce ake amfani da ita sosai a matsayin babban kayan aiki don daidaita juriya da kayan aikin aunawa.

Kyakkyawan juriyarsa, ƙarancin zafin jiki na juriya (TCR), da kuma aiki mai ƙarfi sun sa ba za a iya maye gurbinsa a masana'antar daidaito ba. Wannan jagorar tana taimaka wa ƙwararru a fannin kayan aikin daidaito da aunawa su zaɓi wayar Karma da ta dace don ayyukansu.

1. Dalilin da yasa Karma Wayar Take da Muhimmanci ga Masu Daidaito da Kayan Aikin Aunawa

1.1 Babban Fa'idodi ga Aikace-aikacen Daidaitacce

Wayar Karma ta shahara a masana'antar daidaito saboda keɓantattun halayenta:

- Babban juriya (1.33 μΩ·m a 20℃), sau 2-3 fiye da manganin, wanda ke ba da damar ƙirar juriya mai ƙarfi.

- Ƙarancin TCR sosai (±20 ppm/℃), yana tabbatar da daidaiton ƙimar juriya a cikin canjin yanayin zafi.

- Ƙarancin EMF mai zafi idan aka kwatanta da jan ƙarfe (≤2.5 μV/℃), yana rage kurakuran aunawa a cikin kayan aikin da suka dace.

1.2 Muhimmancin Matsayi a Cikin Muhimman Yanayi

Shi ne kayan da aka fi so don juriya mai ƙarfi ga raunin waya, ma'aunin matsin lamba, da na'urori masu aunawa.

Kwanciyar hankalinsa kai tsaye yana ƙayyade daidaito da amincin kayan aiki a fannin auna sararin samaniya, likitanci, da masana'antu.

2. Muhimman Abubuwan da Ya Kamata A Yi La'akari da Su Lokacin Zaɓar Wayar Karma

2.1 Haɗin Sinadarai da Matsayi

Matsayin da aka saba amfani da shi don daidaito shine Karma 6J22, tare da tsari mai tsari mai tsari:

- Nickel (Ni): Ma'auni (kusan 75%), Chromium (Cr): 19-21%, Aluminum (Al): 2.5-3.2%, Iron (Fe): 2.0-3.0%.

Abubuwan da aka gano (Si, Mn, C) an iyakance su zuwa ≤0.5% don tabbatar da ingantaccen aiki.

2.2 Diamita na Waya & Juriya

Diamita kai tsaye yana shafar daidaiton juriya da yuwuwar sarrafawa:

- Don daidaiton juriya: 0.018mm-0.10mm (ƙaramin diamita don ƙananan ƙira).

- Don na'urori masu aunawa: 0.10mm-0.50mm (daidaitaccen sassauci da kwanciyar hankali).

Ya kamata haƙuri ya zama ≤±0.003mm don aikace-aikacen mahimmanci don guje wa karkacewar juriya.

2.3 Maganin Fuskar Sama

Ana samun nau'ikan jiyya guda biyu na saman da aka saba amfani da su don buƙatu daban-daban:

- Fuskar mai haske: An goge ta da kyau, ta dace da aikace-aikacen da ke buƙatar ƙarfin solder da kyawun gani.

- Fuskar da aka yi wa oxidized: Fim mai kariya mai yawa, yana haɓaka hana oxidation da kwanciyar hankali na dogon lokaci a yanayin zafi mai yawa.

2.4 Daidaita Zafin Jiki

Zaɓi bisa ga zafin aiki na kayan aikin ku:

- Aikace-aikacen tsaye: Har zuwa 400℃, ya dace da daidaitattun juriya masu daidaito.

- Aikace-aikacen masu aiki da ƙarfi: Har zuwa 800℃, ya dace da na'urori masu auna zafin jiki mai yawa.

3. Wayar Karma da Wayoyin Alloy Masu Kama da Haka: Kwatantawa don Masana'antar Daidaito

Teburin da ke ƙasa yana taimaka muku bambance wayar Karma daga constantan (madadin gama gari) don aikace-aikacen daidaito:

4. Jagorar Mataki-mataki don Zaɓi Karma Waya don Aikinku

Mataki na 1: Bayyana Bukatun Aikace-aikace

Bayyana nau'in kayan aiki (ma'aunin juriya mai daidaito, ma'aunin matsin lamba, firikwensin) da yanayin aiki (zafin jiki, danshi).

Misali, ma'aunin matsin lamba a cikin yanayin zafi mai ƙarancin zafi (-269℃ zuwa 300℃) suna ba da fifiko ga wayar Karma don daidaita yanayin zafinta.

Mataki na 2: Tantance Bayanai

Zaɓi diamita, haƙuri, da daraja bisa ga ƙimar juriya da sararin shigarwa.

Don ƙananan juriya, zaɓi diamita na 0.02mm-0.05mm tare da juriya na ±0.001mm.

Mataki na 3: Zaɓi Maganin Fuskar Sama

Zaɓi saman mai haske idan ana buƙatar solder; zaɓi saman da aka yi oxidized don amfani mai zafi ko na dogon lokaci.

Ga ma'aunin matsin lamba, ana ba da shawarar madaurin solder tsirara (SP) don sassauci, yayin da dige-dige masu gwangwani (SD) ke sauƙaƙa soldering.

Mataki na 4: Tabbatar da Inganci da Ma'auni

Tabbatar cewa wayar ta cika ƙa'idodin ASTM B267 da JB/T 5328 don aiki mai dorewa.

Duba don gwajin 100% kafin isarwa (juriya, TCR, juriyar diamita) don guje wa matsalolin inganci.

5. Wayar Karma tamu: An ƙera ta don Resistor masu daidaito da kayan aikin aunawa

5.1 Cikakken Bayani

Muna bayar da waya Karma 6J22 mai diamita daga 0.018mm zuwa 1.50mm, wanda ya dace da duk buƙatun masana'antu na yau da kullun.

Zaɓuɓɓukan haƙuri sun kama daga ±0.001mm zuwa ±0.03mm, wanda ke tabbatar da daidaiton juriya mai ƙarfi.

5.2 Maganin Musamman

Samar da maganin saman da aka keɓance (mai haske/mai oxidized) da kuma tsayin da aka yanke don takamaiman ƙirar kayan aiki.

Tsarin ƙarfe mai ƙera ɗan ƙaramin abu don diyya ga zafin jiki na kai (STC) don daidaita ma'aunin faɗaɗa kayan gwaji.

5.3 Tsarin Inganci Mai Tsauri

Samar da narkewar injin yana tabbatar da tsarki mai yawa (>99.5%) kuma aiki iri ɗaya.

Gwajin kafin isar da kaya 100% ya haɗa da gwajin juriya, TCR, gwajin thermal EMF, da diamita don cika ƙa'idodin masana'antu daidai gwargwado.

6. Kammalawa

Zaɓar wayar Karma mai kyau yana da matuƙar muhimmanci ga daidaito da amincin masu daidaita daidaito da kayan aikin aunawa.

Ta hanyar mai da hankali kan abun da ke ciki, diamita, maganin saman, da kuma daidaitawar zafin jiki, zaku iya zaɓar mafi kyawun waya don aikin ku.

Wayar Karma mai inganci, wacce aka tsara don masana'antar daidaito, tana ba da mafita masu dorewa da aminci.Tuntube mudon shawarwari na musamman dangane da takamaiman buƙatun kayan aikin ku.