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Kuna nan: Gida » Tsarukan aiki » Tsarin Hankali » Bent Nevada Ƙarin Na'urorin Hannu Probe Benly Nevada 21508-02-12-05-02 8mm Reverse Mount
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Bent Nevada 21508-02-12-05-02 8mm Reverse Dutsen Bincike

  • Bent Nevada

  • 21508-02-12-05-02

  • $400

  • A Stock

  • T/T

  • Xiamen

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21508-02-12-05-02 yana wakiltar ƙayyadaddun abu mai mahimmanci kuma mai mahimmanci a cikin sanannen Benly Nevada 7200 Series of Proximity Transducer Systems. Musamman an daidaita shi azaman 8mm diamita na juyar da taron binciken dutsen, wannan ƙirar an ƙirƙira shi don sadar da daidaito na musamman da aminci a aikace-aikacen auna mara lamba. Babban aikinsa shi ne tantance daidaitaccen tsayin daka da tazara mai tsauri tsakanin tip ɗin bincike da saman maƙasudin gudanarwa, fassara gibin jiki na mintina zuwa abin dogaro sosai, siginonin wutar lantarki na layi. Wannan ƙarfin ya zama ginshiƙi don sa ido kan yanayin injina na ci gaba, yana ba da damar gano laifuffuka masu tasowa, ɓarnawar aiki, da rashin aikin aiki kafin su haifar da raguwar lokaci mai tsada ko gazawar bala'i.


An ƙera shi don haɗa kai cikin hadaddun mahallin masana'antu, tsarin ya ƙunshi abubuwa masu mahimmanci guda uku: bincike tare da haɗe-haɗe na dindindin, babban kebul na coaxial mai girma; igiyoyin tsawo na zaɓi don isa ga sassauci; da keɓaɓɓen Proximitor® siginar kwandishan/demodulator. Wannan tsarin haɗin gwiwar yana da cikakkiyar jituwa tare da 3300 na Benly Nevada's flagship 3300 da 9000 Systems Monitoring Systems, yana tabbatar da haɗin haɗin bayanai da tsarin bincike. Yarda da ka'idojin masana'antu irin su API 670 yana nuna dacewa da dacewa da injuna masu mahimmanci a sassan da aminci da aminci ke da mahimmanci, gami da samar da wutar lantarki, mai da iskar gas, sinadarai na petrochemical, da masana'anta masu nauyi.


Ƙirar dutsen baya na binciken 21508 wani fasali ne na musamman, yana magance ƙalubalen sararin samaniya a ƙirar injina. Ba kamar daidaitattun bincike na dutsen gaba ba, wannan tsarin yana ba da damar shigarwa inda ake samun dama daga 'bayan' ma'aunin ma'auni ko cikin ƙayyadaddun ramuka na ciki. Wannan dabarar ƙira tana ƙaddamar da amfani da ma'aunin kusanci zuwa ɗimbin nau'ikan geometries na na'ura da wuraren sa ido, sauƙaƙe cikakkiyar ɗaukar lafiyar kadari.



2. Core Technology and Operating Principle

2.1 Eddy Current Sensing Foundation
A tsakiyar aikin 21508-02-12-05-02 ya ta'allaka ne da ingantaccen ka'idar eddy na yanzu. Tsarin yana aiki azaman mai kunnawa, da'irar oscillator mai mitar rediyo. Proximitor® yana ƙirƙira kuma yana ɗaukar siginar RF mai ƙarancin ƙarfi (yawanci a kusa da 2 MHz). Ana watsa wannan siginar ƙasa da kebul na coaxial zuwa na'urar bincike, wacce take daidai a bakin binciken. Nada yana fitar da filin lantarki wanda ya shimfiɗa zuwa abin da aka yi niyya.


Lokacin da wannan madaidaicin filin maganadisu ya ratsa wani fili mai aiki, kamar sandar karfe, yana haifar da igiyoyin wutar lantarki madauwari da aka sani da 'eddy currents' a cikin siririn fata na kayan. Yawan yawa da rarraba waɗannan magudanar ruwa suna da matuƙar kulawa ga nisa (rata) tsakanin tip ɗin bincike da manufa. Yayin da tazarar ke raguwa, ƙarin kuzari yana haɗawa cikin abin da ake nufi, yana haifar da haɓakar haɓakar halin yanzu. Wadannan igiyoyin ruwa, daidai da dokar Lenz, suna haifar da nasu filin maganadisu mai adawa, wanda ke hulɗa da filin binciken.


Wannan hulɗar tana ɗora nauyin injin binciken yadda ya kamata, yana canza tasiri mai tasiri. Proximitor® na ci gaba da auna daidai wannan canjin a cikin rashin ƙarfi. Daga nan sai ya yi sharadi, yana ragewa, kuma yana jujjuya wannan siga na lantarki zuwa madaidaicin ƙarfin wutar lantarki na DC. Dangantakar tana da layi sosai akan kewayon 80-mil (2 mm) da aka ƙayyade, yana ba da tabbataccen tabbataccen wakilcin analog na tazarar jiki. Wannan mahimmancin ilimin kimiyyar lissafi yana ba da damar tsarin don auna ba kawai matsayi ba (kamar matsayi mai ɗaukar nauyi) amma kuma motsi mai ƙarfi (kamar girgiza) tare da bandwidth daga DC zuwa 10 kHz.


2.2 Juya Dutsen Injiniyan Gine-
gine Sunan 'Tuni mai baya' yana nufin gina jiki na jikin bincike. A cikin daidaitaccen bincike, mahaɗin lantarki yana nan a ƙarshen kishiyar tip ɗin ji. A cikin ƙirar dutsen baya na 21508, tip ɗin ji da mai haɗawa suna kan ƙarshen shari'ar binciken. Kebul na coaxial yana fita daga jikin binciken kai tsaye, kusa da tip. Wannan gine-ginen yana da mahimmanci lokacin da dole ne a shigar da binciken a cikin rami makaho ko matsuguni, tare da filin da ake nufi da ke waje daga wurin shigarwa. Yana kawar da buƙatar sarari mai tsayi a bayan binciken don tuƙi na kebul, yana mai da shi zama makawa don ƙaƙƙarfan ƙirar injuna, ma'aunin hular ciki, ko wasu ƙayyadaddun shigarwa.


2.3 Cable Loc™: Injiniya don Dogara
Babban haɓakawa a cikin ƙirar bincike na 8mm shine haɗa fasalin fasalin Cable Loc ™ na Benly Nevada. Matsakaicin inda kebul na coaxial mai sassauƙa ya gamu da tsattsauran ra'ayi na jiki wuri ne na gama-gari na gazawar inji saboda damuwa da damuwa daga girgiza, lankwasawa, da sarrafa shigarwa. Tsarin Cable Loc™ yana amfani da gyare-gyaren mallakar mallaka da tsarin sauƙi wanda ke haifar da ƙaƙƙarfan ƙaƙƙarfan haɗin kai ɗaya. Wannan ƙira ta ƙara ƙarfin juriyar taron ga ƙarfin fitar da ƙarfi da gajiya mai sassauƙa, fassarar kai tsaye zuwa ingantaccen ƙarfin filin, tsawon rayuwar sabis, da rage ayyukan kulawa. Wannan fasalin shine amsa kai tsaye ga mahalli na zahiri da ake buƙata a cikin saitunan masana'antu.



3. Cikakken Yanayin Aikace-aikacen

Mai jujjuyawar 21508-02-12-05-02 kayan aiki ne mai juzu'i don kiyaye tsinkaya da injiniyoyi masu sa ido. Aikace-aikacen sa na farko suna zurfafa cikin kariya da sarrafa kadarori masu jujjuyawa masu daraja:

  1. Kulawar Radial Vibration: Wannan shine mafi yawan aikace-aikace. Bincika ɗaya ko biyu da aka girka daidai gwargwado zuwa shaft (tsarin XY) suna auna motsi mai ƙarfi don tantance lafiyar injin gabaɗaya. Girman jijjiga da nazarin yanayin igiyar ruwa na iya bayyana yanayi kamar rashin daidaituwa, rashin daidaituwa, lahani mai jujjuyawa, rashin kwanciyar hankali mai ɗauke da mujallu (guguwar mai/ bulala), shafa, da sako-sako. Ƙarfin bandwidth 10 kHz ya isa don kama yawancin kuskuren injiniyoyi.

  2. Axial Thrust Matsayin Sa ido: Binciken da aka ɗora yana fuskantar ƙwanƙarar ƙwanƙolin shaft ko wani fasalin axial yana ba da madaidaiciya, ci gaba da auna matsayi na axial rotor. Wannan yana da mahimmanci don saka idanu akan lafiyar abubuwan turawa a cikin injin turbines, compressors, da famfo. Yana iya gano wuce gona da iri, sauye-sauyen kaya, da yuwuwar yanayin gazawa, bada izinin shiga tsakani da aka tsara kafin bala'in rotor iyo ya faru.

  3. Matsayin Radial na Shaft (Slow-Roll) Aunawa: Ta hanyar nazarin ɓangaren DC na siginar binciken kusanci, injiniyoyi za su iya tantance matsakaicin matsayi na shaft ɗin a cikin izinin ɗaukarsa. Wannan yana da mahimmanci yayin farawa da rufewa don ƙirƙira makircin 'slow-roll' ko 'tsakiyar layi', wanda ke nuna daidaitattun daidaito da halayen ɗabi'a. Bambance-bambance daga makircin da ake sa ran zai iya bayyana al'amuran tushe, rashin daidaituwa na thermal, ko lalacewa.

  4. Maganar Mataki don Daidaitawa da Bincike: Lokacin da aka yi amfani da shi tare da siginar tachometer sau ɗaya-kowa-juyi (Keyphasor®), siginar girgizar ƙasa daga binciken kusanci yana ba da ingantaccen ma'aunin kusurwa. Wannan ba makawa ba ne don daidaita filin na rotors, saboda yana gano wurin angular na wurare masu nauyi. Binciken lokaci kuma kayan aikin bincike ne mai ƙarfi don bambancewa tsakanin nau'ikan kuskure daban-daban.

  5. Ma'auni (Bow) Aunawa: A cikin saurin jujjuyawa sosai, binciken kusanci zai iya taswirar injuna da wutar lantarki na sandar. Wannan yana taimakawa ƙididdige bakan shaft, wanda zai iya haifar da girgizawa a saurin gudu kuma yana iya haifar da gogewar ciki. Daidaitaccen ma'aunin baka yana da mahimmanci bayan abubuwan kulawa ko kuma idan ana zargin na'urar rotor da lalacewa.

Ƙarfin juzu'i na binciken 21508 ya sa ya zama mai mahimmanci ga aikace-aikace a cikin gidaje masu ɗaukar kaya, akwatunan gear, ko kwandon kwampreso inda hawan binciken gargajiya daga waje ba zai yiwu ba.



4. Shigarwa, Gudanarwa, da Mafi kyawun Ayyuka

Shigarwa mai kyau yana da mahimmanci don cimma ƙayyadaddun ƙayyadaddun ayyuka da aminci na dogon lokaci da tsarin transducer yayi alkawari.

  1. Abubuwan Maƙasudi da Shirye: An daidaita tsarin don amfani tare da AISI 4140 karfe ko makamancinsa. Daban-daban kayan (misali, bakin karfe, aluminum) zai shafi tasirin wutar lantarki da rashin daidaituwa, canza yanayin sikelin da kewayon tasiri. Abubuwan da ake nufi dole ne su kasance masu tsabta, santsi, kuma ba su da sutura, ramuka, ko tarkace waɗanda za su iya haifar da fitar da wutar lantarki — bambance-bambancen da ba su da ƙarfi wanda binciken ke fassara azaman motsi na inji.

  2. Haɗawa da Daidaitawa: Dole ne a ɗora binciken amintacce ta amfani da kwaya mai dacewa. Tip ɗin binciken dole ne ya daidaita daidai gwargwado zuwa saman da ake niyya zuwa cikin ƴan digiri. Rashin kuskuren axial yana gabatar da kuskuren ma'auni mai mahimmanci. Ya kamata a saita tazarar farko a cikin kewayon layi (yawanci kusa da tsakiyar maki, ~ 40 mils ko 1.0 mm) kamar yadda maginin injina ko jagororin tsarin sa ido suka ayyana.

  3. Gudanar da Kebul da Gudanarwa: Yayin da fasalin Cable Loc™ yana ba da sauƙi mai ƙarfi, ya kamata a kula yayin shigarwa. Guji lankwasa masu kaifi a cikin kebul na coaxial (riƙe mafi ƙarancin lanƙwasa radius). Aminta duka kebul ɗin bincike na haɗin gwiwa da kowane igiyoyin tsawaita ta amfani da maɗaɗɗen matsi a tazara na yau da kullun don hana gajiya daga girgiza. Kiyaye igiyoyin sigina daga kebul na AC masu ƙarfi don rage ƙarar ƙararrawa.

  4. Grounding and Garkuwa: Tabbatar cewa Proximitor ya kasance mai tushe da kyau bisa ga umarnin Benly Nevada. An ƙera garkuwar kebul don zama ƙasa a ƙarshen Proximitor kawai, ƙirƙirar 'ƙasa mai lamba ɗaya' don hana igiyoyin madauki na ƙasa wanda zai iya haifar da hayaniya a cikin siginar firikwensin ƙasa kaɗan.

  5. Tabbatar da Tsari da Daidaitawa: Bayan shigarwa, ya kamata a yi aikin tabbatar da tsarin. Wannan ya ƙunshi duba wutar lantarki 'gap voltage' da kuma lura da siginar girgiza mai ƙarfi yayin guduwar inji da ƙasa. Don matuƙar daidaito, ana iya yin 'gwajin kumbura' ko kuma daidaitawa a cikin wurin ta amfani da madaidaicin na'urorin saita saitin rata, kodayake ana yin hakan don na'urori masu mahimmanci ko lokacin ƙaddamarwa na farko.




5. Takaddun Takaddun Masana'antu da Biyayya ga wurare masu haɗari

Gane cewa yawancin injunan da take sa ido suna aiki a cikin yanayi mai yuwuwar fashewar abubuwa, Benly Nevada ya sami kimantawa na 7200 Series transducers ta manyan hukumomin ba da takaddun shaida na duniya. Abubuwan bincike masu dacewa da Proximitors masu alaƙa suna ɗaukar izini daga:

  • CSA (Ƙungiyar Matsayin Kanada): Don amfani a Arewacin Amurka.

  • BASEEFA (Sabis na Yarda da Biritaniya don Kayan Wutar Lantarki a cikin yanayi mai ƙonewa): Yanzu wani ɓangare na SIRA, don amfani a yankuna na Turai da IECEx.

  • FM (Factory Mutual): Don amfani a Arewacin Amurka da sauran yankuna suna gane matsayin FM.

Waɗannan takaddun shaida sun tsara kayan aikin da suka dace don shigarwa a takamaiman Class da Yanki/Rarraba wurare masu haɗari, kamar yadda aka ayyana ta ma'auni kamar NEC, CEC, da ATEX. Wannan yana ba da damar yin amfani da tsarin transducer a cikin aminci a wuraren da iskar gas, tururi, ko kura za su iya kasancewa, kamar a kan dandamalin teku, a cikin matatun mai, ko a masana'antar sinadarai. Madaidaicin rarrabuwa (misali, Class I, Division 2, Rukunin IIA T4) an yi dalla-dalla a cikin ƙarin takaddun kamar Data Sheet L1035, wanda dole ne a tuntuɓi shi don takamaiman shirin shigarwa a wurare masu haɗari.



1 Ayyukan Wutar Lantarki da Aunawa

  • Bukatun Wutar Lantarki: Tsarin yana aiki daga ƙarancin wutar lantarki na samar da wutar lantarki na DC wanda ke tsakanin -17.5 Vdc zuwa -26 Vdc, tare da mafi girman zane na yanzu na 12 mA. Wannan kewayon shigar da faffadan yana tabbatar da karyayyen aiki duk da sauye-sauye na dogo na wutar lantarki a bangarorin sarrafa masana'antu.

  • Siginar fitarwa: Ana samar da wutar lantarki na DC madaidaiciya akan nauyin da aka ba da shawarar na 10 kΩ. Abubuwan da aka fitar ba su da kyau game da wadata na kowa, yana karuwa da yawa yayin da rata ya ragu.

  • Rage Tazarar Calibrated: An ƙirƙira tsarin don samar da fitarwa ta layi akan kewayon tazarar mil 0 zuwa 80 (0 zuwa 2.0 mm), yana farawa da martanin layinsa kusan mil 10 (0.25 mm) daga fuskar bincike.

  • Factor Scale (Sensitivity): Ma'aunin hankali shine 200 mV kowace mil (7.87 V a kowace mm). Lokacin da aka daidaita bincike da Proximitor tare azaman tsarin da ya dace, ana ba da garantin wannan factor zuwa cikin ± 4% a duk faɗin kewayon.

  • Linearity: An bayyana shi azaman matsakaicin karkatar da fitarwa daga madaidaiciyar layi madaidaiciya (Mafi kyawun Layi madaidaiciya). Daidaita tsarin yana tabbatar da layin yana tsakanin mil 0.8 (0.02 mm). Wannan keɓaɓɓen layi na keɓaɓɓen yana da mahimmanci don ingantaccen haifuwar siginar girgiza da ma'aunin madaidaicin matsayi.

  • Martanin Mitar: Tsarin yana ɗaukar amsa mitar lebur daga 0 Hz (DC) zuwa 10,000 Hz (600,000 cpm), tare da kasa da 5% sabawa a babban iyaka. Wannan faffadan bandwidth yana ba shi damar ɗauka da aminci ba kawai abubuwan da aka gyara sannu-sannu ba da sauye-sauyen matsayi (abin ciki na DC) har ma da manyan abubuwan girgizar ƙasa masu alaƙa da ragamar kaya, wucewar ruwa, ko lahani.


2 Bayanin Jiki da Muhalli

  • Binciken Gina:

    • Tushen Diamita: 8 mm.

    • Zaren Case: 3/8-24 UNF, ma'auni don wannan saitin dutsen baya.

    • Abun Case: An ƙera shi daga Polyphenylene Sulfide (PPS), babban aikin thermoplastic. PPS yana ba da juriya mai fa'ida ga nau'ikan sinadarai, mai, da man mai, kuma yana kiyaye daidaiton girma da kaddarorin lantarki a ci gaba da yanayin zafi har zuwa iyakar binciken binciken na +177°C (+350°F).

    • Tsawon Kebul na Haɗin Kai: Kamar yadda zaɓin '-05' ya ƙayyade, ana ba da binciken tare da mita 0.5 (~ inci 20) na haɗe-haɗe na dindindin, kebul na coaxial mai inganci. Haƙuri akan wannan tsayin shine + 0.13m / -0.05m.

    • Mai haɗawa: Zaɓin '-02' yana ƙayyadad da cewa an ƙare kebul ɗin tare da ƙaramin haɗin haɗin coaxial na namiji. Wannan yana ba da damar cire haɗin kai mai sauri, tabbatacce daga kebul na tsawaitawa, sauƙaƙe maye gurbin bincike ba tare da damun tsayin daka ba, sau da yawa mai tsauri, gudu na USB.

  • Iyakokin Muhalli:

    • Bincike & Yanayin Aiki na Kebul: -34°C zuwa +177°C (-30°F zuwa +350°F). Wannan faffadan kewayon ya ƙunshi mafi yawan aikace-aikacen masana'antu, daga famfunan bututun hayaki zuwa wuraren turbine masu zafi.

    • Zazzabi Mai Aiki Proximitor: -51°C zuwa +100°C (-60°F zuwa +212°F).

    • Hankalin zafin jiki: Ma'aunin sikelin yana nuna ɗan raɗaɗi tare da zafin jiki, yawanci yana bambanta ƙasa da 3% akan kewayon aiki lokacin da aka auna a tazarar tsaka-tsaki.

    • Danshi: Yana aiki har zuwa 95% danshi mai dangi, mara taurin kai.

    • Juriya na Chemical (8mm PPS Probe): Jikin binciken ba shi da kariya daga lalacewa daga kai tsaye, dogon lokaci tare da ruwan masana'antu na yau da kullun ciki har da ruwa, mai mai mai, ammonium hydroxide, dilute sulfuric acid (10%), Methyl Ethyl Ketone (MEK), da Dimethylformamide (DMF).


3 Bayanan Haɗin Tsarin Tsarin

  • Proximitor masu jituwa: Don tsarin da jimillar hanyar lantarki daga tip na bincike zuwa Proximitor ke da mita 5, ana buƙatar Model 18745-03 Proximitor. An daidaita wannan naúrar ta hanyar lantarki zuwa wannan takamaiman tsayin kebul don haɓaka aiki da kiyaye daidaitawa.

  • Fitowa don Kulawa: Proximitor yana haɗawa da masu saka idanu na Benly Nevada (kamar 3300) ta hanyar kariya, kebul mai sarrafa guda uku ɗauke da ikon -24Vdc, fitarwar sigina, da dawowar gama gari. Ana kiyaye amincin sigina akan nisa da ya wuce mita 305 (ƙafa 1000).


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