Load Kwayoyin 301 Jagora

301 Load Cell

Load Halayen Cell & Aikace-aikace

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Barka da zuwa Jagoran Load Cell 301 na Interface, tushen fasaha mai mahimmanci wanda masana auna ƙarfin masana'antu suka rubuta. An tsara wannan jagorar ci-gaba don injiniyoyin gwaji da masu amfani da na'urar aunawa da ke neman cikakkun bayanai game da aikin ƙwayar ɗora da haɓakawa.
A cikin wannan jagorar mai amfani, muna bincika batutuwa masu mahimmanci tare da bayanan fasaha, abubuwan gani, da cikakkun bayanai na kimiyya masu mahimmanci don fahimta da haɓaka ayyukan ƙwayoyin kaya a aikace-aikace daban-daban.
Koyi yadda taurin ƙwayoyin kaya ke shafar aikinsu a ƙarƙashin yanayi daban-daban. Na gaba, muna bincika mitar ɗabi'a ta halitta, muna yin nazarin abubuwan da aka ɗora sauƙaƙa da nauyi da nauyi don fahimtar yadda bambance-bambancen kaya ke tasiri ga amsawar mitar.
Maganar tuntuɓa wani muhimmin al'amari ne da aka rufe sosai a cikin wannan jagorar, wanda ke ba da haske a kan abin da ya faru da kuma tasirinsa ga ingantattun ma'auni. Bugu da ƙari, muna tattaunawa game da aikace-aikacen nauyin daidaitawa, yana mai da hankali kan mahimmancin sanyaya tantanin halitta da magance tasiri da ƙwaƙwalwa yayin hanyoyin daidaitawa.
Ana bincika ka'idojin gwaji da ƙima sosai, suna ba da ƙa'idodi masu ma'ana don tabbatar da daidaito da aminci a cikin matakan aunawa. Mun kuma zurfafa cikin aikace-aikacen lodin da ake amfani da shi, muna mai da hankali kan dabarun ɗora kan-axis da dabarun sarrafa nauyin kashe-axis don haɓaka daidaiton aunawa.
Bugu da ƙari, muna bincika hanyoyin da za a rage tasirin lodi na ban mamaki ta hanyar inganta ƙira, suna ba da haske mai mahimmanci don rage tasirin waje akan aikin ƙwayoyin kaya. An kuma tattauna dalla-dalla dalla-dalla iyawar ɗorawa tare da ɗaukar nauyi da ma'amala da lodin tasiri don ba injiniyoyi ilimin da ake buƙata don kiyaye ƙwayoyin ɗorawa daga yanayi mara kyau.
Jagorar Load Cell 301 na Interface yana ba da bayanai masu mahimmanci don haɓaka aiki, haɓaka daidaito, da tabbatar da amincin tsarin aunawa a aikace-aikace daban-daban.
Ƙungiyar Interface ɗin ku

Load Halayen Cell & Aikace-aikace

Load Ƙushin Ƙarya

Abokan ciniki akai-akai suna so su yi amfani da tantanin halitta a matsayin wani abu a tsarin jiki na inji ko taro. Don haka, suna son sanin yadda tantanin halitta zai mayar da martani ga sojojin da aka haɓaka yayin haɗawa da sarrafa injin.
Ga sauran sassan irin wannan na'ura da aka kera daga kayan haja, mai zane zai iya duba halayensu na zahiri (kamar haɓakar zafi, tauri, da taurin) a cikin littattafan hannu kuma ya tantance hulɗar sassansa bisa ga ƙirarsa. Duk da haka, tun da yake an gina tantanin halitta a kan sassauƙa, wanda wani yanki ne mai rikitarwa wanda abokin ciniki bai san cikakken bayaninsa ba, yadda za a yi ga sojojin zai yi wuya abokin ciniki ya gane.Motsa jiki ne mai amfani don la'akari da yadda sauƙi mai sauƙi ke amsa lodin da aka yi amfani da shi a wurare daban-daban. Hoto na 1, yana nuna examples na sassauƙan jujjuyawar da aka yi ta hanyar niƙa tsagi na silinda a ɓangarori biyu na guntun karfe. Bambance-bambancen wannan ra'ayin ana amfani da su sosai a cikin injina da tsayawar gwaji don ware sel masu lodi daga lodin gefe. A cikin wannan example, sauƙi mai sauƙi yana wakiltar memba a ƙirar injin, ba ainihin tantanin halitta ba. Sashe na bakin ciki na sassauƙan sassauƙa yana aiki azaman juzu'i mara ƙarfi yana da ƙaramin jujjuyawar bazara. Don haka, ana iya auna madaidaicin bazara na kayan kuma a ƙididdige shi cikin halayen amsawa na injin. Idan muka yi amfani da ƙarfi mai ƙarfi (FT) ko ƙarfin matsawa (FC) zuwa ga jujjuyawar a kusurwar da ke kusa da tsakiyar layinsa, za a karkatar da sassauƙa ta gefe ta ɓangaren vector (F TX) ko (FCX) kamar yadda aka nuna ta ɗigo. shaci. Ko da yake sakamakon ya yi kama da kamanceceniya ga al'amuran biyu, sun bambanta sosai.
A cikin yanayin juzu'i a cikin Hoto na 1, jujjuyawar tana ƙoƙarin lanƙwasa cikin jeri tare da kashe-kashe-ƙarfi kuma sassauƙawar tana ɗaukar matsayi mai ma'ana cikin aminci, ko da ƙarƙashin babban tashin hankali.
A cikin yanayin matsawa, halayen flexure, kamar yadda aka nuna a cikin hoto na 2, na iya zama mai lalacewa sosai, duk da cewa ƙarfin da aka yi amfani da shi daidai yake da girmansa kuma ana amfani da shi tare da layi ɗaya na aikin kamar ƙarfin ƙarfin ƙarfi, saboda jujjuyawar ta karkata daga. layin aikin da aka yi amfani da shi. Wannan yana kula da ƙara ƙarfin gefe (F CX) tare da sakamakon cewa sassauci
lankwashewa ma. Idan ƙarfin gefen ya wuce ƙarfin juzu'i don tsayayya da jujjuya motsi, motsin zai ci gaba da lanƙwasa kuma a ƙarshe zai gaza. Don haka, yanayin rashin nasara a cikin matsawa yana lanƙwasawa rushewa, kuma zai faru a ƙaramin ƙarfi fiye da yadda za'a iya amfani da shi cikin aminci cikin tashin hankali.
Darasin da za a koya daga wannan example shi ne cewa dole ne a yi amfani da tsattsauran taka tsantsan yayin zayyana aikace-aikacen tantanin halitta masu ɗaukar nauyi ta amfani da sifofin columnar. Za'a iya ƙara girman ɓangarorin ɓangarorin ta hanyar motsi na ginshiƙi ƙarƙashin ɗaukar nauyi, kuma sakamakon zai iya bambanta daga kurakuran aunawa zuwa kammala gazawar tsarin.
Tsohon example nuna daya daga cikin manyan advantages na Interface® LowProfile® ƙirar tantanin halitta. Tunda tantanin halitta gajere ne dangane da diamita, ba ya zama kamar tantanin halitta a ƙarƙashin ɗora nauyi. Ya fi juriya ga rashin daidaituwa fiye da tantanin halitta.
Taurin kowane tantanin halitta tare da axis na farko, ma'aunin ma'auni na yau da kullun, ana iya ƙididdige shi cikin sauƙi idan aka yi la'akari da ƙimar ƙarfin tantanin halitta da jujjuyawar sa a ƙimar ƙima. Ana iya samun bayanan karkatar da ƙwayoyin sel a cikin Interface® catalog da website.
NOTE:
Ka tuna cewa waɗannan dabi'u na al'ada ne, amma ba a sarrafa ƙayyadaddun bayanai don sel masu ɗaukar nauyi. Gabaɗaya, ɓarna sune halaye na ƙirar ƙira, kayan haɓakawa, abubuwan gage da ƙirar ƙarshe na tantanin halitta. Ana sarrafa waɗannan sigogi kowane ɗayan ɗayansu, amma tasirin tarawa na iya samun ɗan bambanta.
Yin amfani da sassauƙan SSM-100 a cikin Hoto 3, azaman example, za'a iya ƙididdige taurin a babban axis (Z) kamar haka:Wannan nau'in lissafin gaskiya ne ga kowane tantanin halitta mai ɗaukar nauyi na madaidaiciya akan axis ɗinsa na farko. Sabanin haka, taurin gatari (X) da (Y) sun fi rikitarwa don tantancewa a ka'ida, kuma yawanci ba su da sha'awa ga masu amfani da Mini Cells, saboda dalili mai sauƙi cewa amsawar sel akan waɗannan gatura biyu. ba a sarrafa shi kamar yadda yake ga LowProfile® jerin. Don Mini Cells, yana da kyau koyaushe a guje wa aikace-aikacen lodin gefe gwargwadon yadda zai yiwu, saboda haɗuwa da abubuwan kashe-axis a cikin fitowar axis na farko na iya gabatar da kurakurai a cikin ma'auni.
Don misaliample, aikace-aikacen nauyin gefe (FX) yana sa gages a A don ganin tashin hankali da gages a (B) don ganin matsawa. Idan masu sassaucin ra'ayi a (A) da (B) sun kasance iri ɗaya kuma abubuwan gage na gage a (A) da (B) sun daidaita, za mu sa ran fitowar tantanin halitta zai soke tasirin nauyin gefen. Duk da haka, tun da jerin SSM tantanin halitta mai rahusa ne wanda yawanci ana amfani dashi a aikace-aikacen da ke da ƙananan lodi na gefe, ƙarin farashi ga abokin ciniki na daidaita ma'aunin nauyi na gefe yawanci ba zai yiwu ba.
Madaidaicin bayani inda lodin gefe ko lokacin lodin zai iya faruwa shine a kwance tantanin halitta daga waɗancan rundunonin da suka wuce gona da iri ta hanyar amfani da ƙarshen sanda mai ɗauke da ɗaya ko duka biyun ƙarshen tantanin halitta.
Don misaliample, Hoto na 4, yana nuna nau'in nau'in nau'in kaya na yau da kullun don nauyin ganga na man da ke zaune akan kaskon awo, domin auna man da ake amfani da shi a gwajin injin.An ɗora ƙugiya da ƙarfi zuwa katako mai goyan baya ta tudun sa. Ƙarshen ƙarshen sanda yana da kyauta don juyawa a kusa da axis na fil ɗin goyon bayansa, kuma yana iya motsawa kusan ± 10 digiri a cikin juyawa duka a ciki da waje na shafi kuma a kusa da axis na farko na tantanin halitta. Wadannan 'yancin motsi suna tabbatar da cewa nauyin tashin hankali ya kasance a kan tsakiyar layi ɗaya da babban axis na ɗigon ɗigon kaya, koda kuwa nauyin bai kasance daidai a kan ma'aunin nauyi ba.
Lura cewa farantin suna a kan tantanin halitta yana karanta juye-juye saboda ƙarshen tantanin halitta dole ne a saka shi zuwa ƙarshen tallafi na tsarin.

Load da Ƙwaƙwalwar Halitta na Halitta: Case mai Sauƙi

Sau da yawa za a yi amfani da tantanin halitta mai ɗaukar nauyi a cikin yanayin da za a haɗa nauyi mai sauƙi, kamar kwanon aunawa ko ƙananan kayan gwaji, zuwa ƙarshen tantanin halitta. Mai amfani zai so sanin yadda sauri tantanin halitta zai amsa ga canji a lodawa. Ta haɗa fitowar tantanin halitta zuwa oscilloscope da gudanar da gwaji mai sauƙi, za mu iya koyan wasu bayanai game da ƙarfin amsawar tantanin halitta. Idan muka dage tantanin tantanin halitta akan katafaren toshe sannan kuma muka matsa ƙarshen tantanin halitta a hankali da ƙaramin guduma, zamu ga
damped sine wave jirgin (jeri na sine taguwar ruwa wanda sannu a hankali rage zuwa sifili).
NOTE:
Yi amfani da tsattsauran taka tsantsan lokacin da ake amfani da tasiri akan tantanin halitta. Matakan ƙarfi na iya lalata tantanin halitta, har ma na ɗan gajeren lokaci.Ana iya ƙayyade mitar (yawan zagayowar da ke faruwa a cikin daƙiƙa ɗaya) na girgiza ta hanyar auna lokacin (T) na cikakken zagayowar, daga madaidaicin sifili mai zuwa zuwa na gaba. Ana nuna zagayowar ɗaya akan hoton oscilloscope a cikin hoto na 5, ta layin maɗaukaki mai ƙarfi. Sanin lokacin (lokaci don sake zagayowar ɗaya), zamu iya ƙididdige mitar yanayi na oscillation kyauta na tantanin halitta (fO) daga dabara:Matsakaicin yanayi na tantanin halitta yana da ban sha'awa saboda za mu iya amfani da ƙimarsa don ƙididdige martani mai ƙarfi na tantanin halitta a cikin tsari mai sauƙi.
NOTE:
Mitoci na halitta dabi'u ne na yau da kullun, amma ba ƙayyadaddun bayanai ba ne. Ana ba su a cikin Interface® kasida kawai azaman taimako ga mai amfani.
An nuna daidai tsarin tsarin bazara-mafi girma na kwayar kaya a cikin hoto 6. Matsakaicin (M1) yayi daidai da yawan adadin ƙarshen rayuwa na tantanin halitta, daga abin da aka makala zuwa sassan bakin ciki na sassauƙa. Ruwan bazara, yana da dindindin na bazara (K), yana wakiltar ƙimar bazara na ɓangaren ma'aunin bakin ciki na sassauƙa. Matsakaicin (M2), yana wakiltar ɗimbin ɗimbin ɗimbin kayan aiki waɗanda ke haɗe zuwa ƙarshen ɗigon kaya.
Hoto na 7 ya danganta wadannan ma'auni na ka'idoji da ainihin talakawa a cikin tsarin kwayar halitta na gaske. Lura cewa tsayayyen bazara (K) yana faruwa akan layin rarraba a ɓangaren bakin ciki na sassauƙa.Mitar dabi'a shine ma'auni na asali, sakamakon ƙirar ƙirar ɗawainiya, don haka dole ne mai amfani ya fahimci cewa ƙari na kowane taro akan ƙarshen aiki na tantanin halitta zai sami tasirin rage yawan mitar yanayi na tsarin. Domin misaliample, za mu iya tunanin ja da ƙasa kaɗan a kan taro M1 a cikin hoto 6 sannan mu tafi. Yawan zai yi jujjuya sama da ƙasa a mitar da aka ƙaddara ta tsayayyen bazara (K) da kuma yawan M1.
A gaskiya ma, muryoyin za su damp yayin da lokaci ke ci gaba da yawa kamar yadda yake cikin Hoto 5.
Idan yanzu mun rufe taro (M2) akan (M1),
Ƙarfafa yawan ɗimbin yawa zai rage yawan mitar yanayi na tsarin springmass. Abin farin ciki, idan mun san yawan (M1) da (M2) da kuma yawan nau'o'in nau'in nau'in nau'in bazara na asali, zamu iya ƙididdige adadin da za a rage yawan mita ta hanyar ƙara (M2), daidai da haka. dabara:Zuwa injiniyan lantarki ko na lantarki, madaidaicin calibration shine siga (DC), yayin da martani mai ƙarfi shine siga (AC). Ana wakilta wannan a cikin Hoto na 7, inda aka nuna madaidaicin DC akan takardar shaidar daidaita masana'anta, kuma masu amfani za su so su san abin da martanin tantanin halitta zai kasance a wasu mitar tuƙi da za su yi amfani da su a gwaje-gwajensu.
Yi la'akari da daidai tazarar tazarar layukan grid na "Frequency" da "Fitarwa" akan jadawali a cikin Hoto 7. Dukansu waɗannan ayyukan logarithmic ne; wato, suna wakiltar juzu'i na 10 daga layin grid ɗaya zuwa na gaba. Domin misaliample, "0 db" yana nufin "babu canji"; "+20 db" yana nufin "sau 10 kamar 0 db"; "-20 db" yana nufin "1/10 kamar 0 db"; kuma "-40 db" yana nufin "1/100 kamar 0 db."
Ta amfani da sikelin logarithmic, za mu iya nuna babban kewayon ƙima, kuma mafi yawan halayen gama gari sun zama madaidaiciyar layi akan jadawali. Domin misaliampHar ila yau, layin da aka tsinke yana nuna gabaɗayan gangara na karkatar amsa sama da mitar yanayi. Idan muka ci gaba da jadawali zuwa ƙasa da kashewa zuwa dama, martanin zai zama asymptotic (kusa da kusa) zuwa madaidaiciyar layin da aka tsinke.
NOTE:
An bayar da lanƙwan da ke cikin Hoto 63 kawai don nuna daidaitaccen martanin tantanin halitta mai ɗaukar nauyi a ƙarƙashin ingantattun yanayi. A yawancin shigarwa, sautin da ke cikin abubuwan haɗin gwiwa, firam ɗin gwaji, injin tuki da UUT (rashin da ke ƙarƙashin gwaji) zai fi rinjaye kan martanin tantanin halitta.

Load Sel Mitar Halitta: Case mai nauyi mai nauyi

A cikin yanayin da tarin tantanin halitta ya haɗa da injina tam cikin tsarin inda yawancin abubuwan da ke cikin keɓaɓɓun ke da nauyi fiye da nauyin nauyin nauyin nauyi, ƙwayar ɗora tana ƙara yin aiki kamar sauƙaƙan bazara wanda ke haɗa nau'in tuƙi zuwa nau'in da aka tura a ciki. tsarin.
Matsalar mai tsara tsarin ta zama ɗaya daga cikin nazarin talakawan da ke cikin tsarin da kuma hulɗar su tare da tsayayyen lokacin bazara na tantanin halitta. Babu wata alaƙa kai tsaye tsakanin mitar tantanin halitta da aka sauke da kaya da kuma ɗorawa masu nauyi waɗanda za a gani a cikin tsarin mai amfani.

Tuntuɓi Resonance

Kusan kowa ya yi bounced kwando kuma ya lura cewa lokacin (lokaci tsakanin hawan keke) ya fi guntu lokacin da ƙwallon ƙwallon ya kusa kusa da bene.
Duk wanda ya buga na’uran fintinkau ya ga ƙwallon yana ta komowa a tsakanin tukwane biyu na ƙarfe; da kusancin ginshiƙan zuwa diamita na ƙwallon, da sauri ƙwallon zai yi rawar jiki. Duk waɗannan tasirin sauti iri ɗaya ne ke tafiyar da su: taro, rata mai 'yanci, da tuntuɓar bazara wanda ke juyar da alkiblar tafiya.
Yawan oscillation ya yi daidai da taurin ƙarfin maidowa, kuma ya yi daidai da girman rata da taro. Ana iya samun irin wannan tasirin resonance a cikin injina da yawa, kuma haɓakar motsi na iya lalata injin yayin aiki na yau da kullun.Don misaliample, a cikin hoto na 9, ana amfani da dynamometer don auna ƙarfin dawakin injin mai. Injin da ke ƙarƙashin gwajin yana tafiyar da birki na ruwa wanda igiyar fitar da shi ke da alaƙa da hannun radius. Hannun yana da 'yanci don jujjuyawa, amma an takura masa ta wurin ɗaukar nauyi. Sanin RPM na injin, ƙarfin da ke kan tantanin halitta, da tsawon hannun radius, za mu iya ƙididdige ƙarfin dawakai na injin.
Idan muka duba dalla-dalla na sharewar da ke tsakanin ƙwallon sandar ƙarshen ɗamara da hannun rigar sanda a cikin hoto na 9, za mu sami ma'aunin sharewa, (D), saboda bambancin girman ƙwallon da hannun rigarsa. Jimlar ƙyallen ƙwallon ƙwallon biyu, da duk wani sako-sako a cikin tsarin, zai zama jimlar “rata” wanda zai iya haifar da ƙarar lamba tare da yawan hannun radius da ƙimar bazara na tantanin halitta.Yayin da saurin injin ya ƙaru, ƙila mu sami wani takamaiman RPM wanda adadin harbin silinda na injin ya yi daidai da mitar ƙarar lamba na dynamometer. Idan muka riƙe wannan RPM, haɓakawa (yawan ƙarfin ƙarfi) zai faru, zazzagewar tuntuɓar za ta haɓaka, kuma tasirin tasirin sau goma ko fiye da matsakaicin ƙarfi za a iya sanya shi cikin sauƙi akan tantanin halitta.
Wannan tasirin zai fi fitowa fili lokacin da ake gwada injin yankan lawn mai silinda ɗaya fiye da lokacin gwada injin silinda takwas, saboda motsin harbe-harbe yana da kyau yayin da suke haɗuwa a cikin injin mota. Gabaɗaya, haɓaka mitar resonant zai inganta haɓakar martanin dynamometer.
Ana iya rage tasirin resonance ta lamba:

• Yin amfani da ƙananan igiyoyin ƙarshen sanda masu inganci, waɗanda ke da ƙarancin wasa tsakanin ƙwallon da soket.
• Tighting sanda ƙarshen ɗaukar abin rufewa don tabbatar da cewa ƙwallon yana tam clamped a inda.
• Yin firam ɗin dynamometer a matsayin mai tauri gwargwadon yiwuwa.
• Yin amfani da tantanin halitta mai ɗaukar nauyi mai girma don ƙara taurin sel.

Aiwatar da Load ɗin Daidaitawa: Sanya Tantanin halitta

Duk wani transducer da ya dogara da jujjuyawar ƙarfe don aikin sa, kamar na'urar ɗaukar nauyi, mai jujjuyawa, ko na'urar matsa lamba, yana riƙe da tarihin lodinsa na baya. Wannan tasirin yana faruwa ne saboda motsin mintuna na tsarin crystalline na ƙarfe, ƙanana kamar yadda suke, a zahiri suna da ɓangaren juzu'i wanda ke nunawa a matsayin hysteresis (ba a maimaita ma'aunin da aka ɗauka daga wurare daban-daban).
Kafin aikin daidaitawa, ana iya fitar da tarihin daga cikin tantanin halitta ta hanyar amfani da lodi uku, daga sifili zuwa kaya wanda ya zarce mafi girman nauyi a cikin aikin daidaitawa. Yawancin lokaci, ana amfani da aƙalla kaya ɗaya na 130% zuwa 140% na Ƙarfin Ƙarfi, don ba da damar daidaitaccen saitin da kuma matse kayan gwajin a cikin tantanin halitta.
Idan an daidaita ma'aunin nauyi kuma an yi lodin yadda ya kamata, za'a sami lankwasa mai siffar (ABCDEFGHIJA), kamar yadda yake a hoto na 10.
Makiyoyin duk za su faɗo kan santsi mai santsi, kuma za a rufe lanƙwan a kan komawar sifili. Bugu da ƙari, idan an maimaita gwajin kuma an yi lodi da kyau, madaidaicin maki tsakanin gudu na farko da na biyu za su fada kusa da juna, yana nuna maimaita ma'auni.

Aikace-aikacen Loads na Calibration: Tasiri da Ƙarfafawa

A duk lokacin da tsarin daidaitawa ya haifar da sakamakon da ba shi da santsi mai santsi, kar a maimaita da kyau, ko kuma ba a koma sifili ba, saitin gwajin ko tsarin lodawa ya kamata ya zama wurin farko don dubawa.
Don misaliample, Hoto na 10 yana nuna sakamakon aikace-aikacen lodi inda mai aiki bai yi hankali ba lokacin da aka yi amfani da nauyin 60%. Idan an sauke nauyin dan kadan a kan ma'aunin kaya kuma an yi amfani da tasiri na nauyin 80% sannan kuma ya koma zuwa kashi 60%, nauyin nauyin zai kasance yana aiki a kan ƙananan madauki na hysteresis wanda zai ƙare a aya (P) maimakon a. batu (D). Ci gaba da gwajin, maki 80% zai ƙare a (R), kuma maki 100% zai ƙare a (S). Abubuwan da ke saukowa duk za su faɗo sama da madaidaitan madaidaitan, kuma ba za a rufe komawar sifili ba.
Irin wannan kuskuren na iya faruwa akan firam ɗin gwajin ruwa idan mai aiki ya wuce daidai saitin sannan kuma ya mayar da matsa lamba zuwa madaidaicin wuri. Hanya daya tilo don yin tasiri ko wuce gona da iri shine a sake sabunta tantanin halitta da sake gwadawa.

Gwaji Protocols da Calibrations

Kwayoyin lodawa ana yin su akai-akai a cikin yanayi ɗaya (ko dai tashin hankali ko matsawa), sannan a daidaita su a wannan yanayin. Idan kuma ana buƙatar daidaitawa a cikin akasin yanayin, tantanin halitta yana farawa a yanayin yanayin kafin daidaitawa na biyu. Don haka, bayanan daidaitawa suna nuna aikin tantanin halitta ne kawai lokacin da aka daidaita shi a cikin yanayin da ake tambaya.
Saboda wannan dalili, yana da mahimmanci don ƙayyade ƙa'idar gwajin (jerin aikace-aikacen kaya) wanda abokin ciniki ke shirin yin amfani da shi, kafin tattaunawa mai ma'ana game da yiwuwar tushen kuskuren na iya faruwa. A yawancin lokuta, dole ne a ƙirƙira karɓuwar masana'anta na musamman don tabbatar da cewa za a cika buƙatun mai amfani.
Don ƙaƙƙarfan aikace-aikace, masu amfani gabaɗaya suna iya gyara bayanan gwajin su don rashin daidaituwar tantanin halitta, don haka cire adadi mai yawa na jimlar kuskure. Idan ba za su iya yin haka ba, rashin daidaituwa zai kasance wani ɓangare na kasafin kuɗin kuskuren su.
Rashin maimaitawa shine ainihin aiki na ƙuduri da kwanciyar hankali na siginar mai amfani da lantarki. Kwayoyin Load yawanci suna da rashin maimaituwa wanda ya fi firam ɗin lodi, kayan aiki, da na'urorin lantarki waɗanda ake amfani da su don auna shi.
Ragowar tushen kuskure, hysteresis, ya dogara sosai akan jerin lodi a cikin ka'idar gwajin mai amfani. A lokuta da yawa, yana yiwuwa a inganta ƙa'idar gwajin don rage ƙaddamar da ƙwayar da ba a so a cikin ma'auni.
Koyaya, akwai lokuttan da masu amfani ke takurawa, ko dai ta hanyar buƙatun abokin ciniki na waje ko ta ƙayyadaddun samfur na ciki, don yin aiki da tantanin halitta ta hanyar da ba a bayyana ba wanda zai haifar da tasirin da ba a sani ba. A irin waɗannan lokuta, mai amfani zai karɓi mafi munin yanayin hysteresis azaman ƙayyadaddun aiki.
Har ila yau, dole ne a yi aiki da wasu sel ta hanyoyi guda biyu (tashin hankali da matsawa) yayin zagayowar amfaninsu na yau da kullun ba tare da samun damar sake yanayin tantanin halitta ba kafin canza yanayin. Wannan yana haifar da yanayin da ake kira juyawa (rashin komawa zuwa sifili bayan yin madauki ta hanyoyi biyu).
A cikin fitowar masana'anta na al'ada, girman jujjuyawar kewayo ne mai faɗi inda mafi munin yanayin ya kusan daidai ko ɗan girma fiye da jijiyoyi, ya danganta da sassauƙan kayan aiki da ƙarfin ɗaukar nauyi.
Abin farin ciki, akwai mafita da yawa don matsalar juyawa:

• Yi amfani da tantanin halitta mai ɗaukar nauyi mafi girma domin ya iya aiki a kan ƙaramin kewayon ƙarfinsa. Juyawa yana ƙasa lokacin da tsawo zuwa yanayin kishiyar ya kasance ƙaramin kashitage na iya aiki.
• Yi amfani da tantanin halitta da aka yi daga ƙananan kayan juyawa. Tuntuɓi masana'anta don shawarwari.
• Ƙayyade ma'aunin zaɓi don samar da masana'anta na yau da kullun. Yawancin sel suna da kewayon juyawa wanda zai iya haifar da isassun raka'a daga rarrabawar al'ada. Dangane da ƙimar ginin masana'anta, farashin wannan zaɓin yawanci yana da ma'ana.
• Ƙayyade ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai suka sa masana'anta ke faɗin gudu na musamman.

Aikace-aikacen lodin-Amfani: Loading On-Axis

Duk abubuwan da aka ɗora akan-axis suna haifar da wani matakin, komai ƙanƙantarsa, na abubuwan ban sha'awa na offaxis. Adadin wannan ɗorawa mai ban sha'awa aiki ne na jure wa sassan da ke cikin ƙirar injin ko firam ɗin kaya, daidaitattun abubuwan da aka kera da su, kulawar da abubuwan da ke cikin injin ke daidaitawa yayin haɗuwa, tsayin daka. na sassa masu ɗaukar nauyi, da kuma wadatar kayan aikin haɗawa.
Sarrafa Kashe-Axis Loads
Mai amfani zai iya zaɓar tsara tsarin don kawar da ko rage ɗorawa a kan sel masu lodi, ko da tsarin yana fama da murdiya a ƙarƙashin kaya. A cikin yanayin tashin hankali, wannan yana yiwuwa ta yin amfani da igiyoyin ƙarshen sanda tare da clevises.
Inda za'a iya keɓance sel ɗin lodi daga tsarin firam ɗin gwaji, ana iya amfani da shi a yanayin matsawa, wanda kusan yana kawar da aikace-aikacen abubuwan da ke kashe axis zuwa tantanin halitta. Duk da haka, ba za a iya kawar da nauyin kashe-axis gaba ɗaya ba, saboda karkatar da nauyin kaya zai kasance koyaushe yana faruwa, kuma koyaushe za a sami wani adadin ƙima tsakanin maɓallin lodi da farantin kaya wanda zai iya watsa lodin gefe zuwa cikin ma'auni. tantanin halitta.
Lokacin da shakka, da LowProfile® tantanin halitta koyaushe zai zama tantanin halitta na zaɓi sai dai idan tsarin kasafin kuɗin kuskuren tsarin gabaɗaya ya ba da damar ragi mai karimci don kaya masu yawa.
Rage Tasirin Maɗaukakiyar Load ta Ƙwarewar Ƙira
A cikin ƙayyadaddun aikace-aikacen gwaji, ƙaƙƙarfan tsari tare da ƙananan lodi na waje za a iya samu ta hanyar amfani da sassauƙan ƙasa don gina firam ɗin aunawa. Wannan, ko shakka, yana buƙatar ingantattun injina da haɗa firam ɗin, wanda zai iya zama tsada mai yawa.

Ƙarfin Ƙarfafawa tare da Ƙarfin Ƙarfafawa

Wani mummunan tasiri na lodin-axis shine rage yawan nauyin tantanin halitta. Matsakaicin ma'aunin nauyi na 150% akan ma'aunin nauyi mai nauyi ko 300% ma'aunin nauyi akan tantanin halitta mai gajiyawa shine izinin da aka yarda akan axis na farko, ba tare da wani lodi na gefe, lokaci ko juzu'i da aka yi amfani da su akan tantanin halitta lokaci guda ba. Wannan saboda raƙuman kashe-axis za su ƙara tare da vector load on-axis, kuma jimlar vector na iya haifar da yanayin yin nauyi a ɗaya ko fiye na wuraren gaged a cikin sassauƙa.
Don nemo damar da aka ba da izini akan-axis lokacin da aka san nauyin nauyi, ƙididdige sashin kan-axis na nauyin nauyi da algebra ta hanyar cire su daga ƙimar kima, yin taka tsantsan a hankali a cikin wane yanayi (tashin hankali ko matsawa) ana loda tantanin halitta.

Abubuwan Tasiri

Neophytes a cikin amfani da ƙwayoyin kaya akai-akai suna lalata ɗaya kafin tsoho ya sami damar faɗakar da su game da nauyin tasiri. Dukkanmu muna fatan cewa tantanin halitta zai iya ɗaukar aƙalla ɗan gajeren tasiri ba tare da lalacewa ba, amma gaskiyar ita ce idan ƙarshen rayuwan tantanin halitta ya motsa fiye da 150% na cikakken ƙarfin jujjuyawar dangane da ƙarshen matattu, tantanin halitta. ana iya yin lodi fiye da kima, komai ɗan gajeren lokacin da abin ya faru.
A cikin Panel 1 na exampa cikin F igure 11, an jefar da ƙwallon karfe na taro "m" daga tsayin "S" zuwa ƙarshen ɗigon kaya. A lokacin faɗuwar, ƙwallon yana haɓaka da nauyi kuma ya sami saurin "v" ta nan take yana hulɗa da saman tantanin halitta.
A cikin Panel 2 , za a dakatar da saurin kwallon gaba daya, kuma a cikin Panel 3 za a juya yanayin kwallon. Duk wannan dole ne ya faru a cikin nisan da ake ɗauka don ɗaukar tantanin halitta don isa ga ƙimar da ake ƙima, ko kuma tantanin halitta na iya lalacewa.
A cikin exampIdan aka nuna, mun ɗauki tantanin halitta wanda zai iya karkatar da iyakar 0.002” kafin a yi masa lodi. Domin a dakatar da kwallon gaba daya a cikin wannan ɗan gajeren nesa, tantanin halitta dole ne ya yi ƙarfin gaske akan ƙwallon. Idan ƙwallon yana auna fam ɗaya kuma an jefar da ƙafa ɗaya a kan tantanin halitta, jadawali na Hoto 12 yana nuna cewa tantanin halitta zai sami tasiri na 6,000 lbf (ana ɗauka cewa yawan ƙwallon ya fi girma fiye da yawan adadin. raye-rayen ɗimbin ɗabi'a, wanda yawanci lamarin yake).
Za'a iya canza ma'auni na jadawali a hankali ta hanyar kiyaye cewa tasirin ya bambanta kai tsaye tare da taro kuma tare da murabba'in nisa ya ragu.Interface® shine amintaccen Jagoran Duniya a Ƙarfin Ma'aunin Ƙarfi®.
Muna jagora ta hanyar ƙira, masana'anta, da kuma ba da garantin sel masu ɗaukar nauyi mafi girma, masu jujjuyawa, firikwensin axis da yawa, da kayan aikin da ke da alaƙa da akwai. Injiniyoyin mu na duniya suna ba da mafita ga sararin samaniya, kera motoci, makamashi, likitanci, da masana'antun gwaji da aunawa daga gram zuwa miliyoyin fam, cikin ɗaruruwan daidaitawa. Mu ne manyan masu ba da kayayyaki ga kamfanoni na Fortune 100 a duk duniya, gami da; Boeing, Airbus, NASA, Ford, GM, Johnson & Johnson, NIST, da dubban labs na aunawa. Dakunan gwaje-gwajen mu na cikin gida suna tallafawa matakan gwaji iri-iri: ASTM E74, ISO-376, MIL-STD, EN10002-3, ISO-17025, da sauransu.
Kuna iya samun ƙarin bayani na fasaha game da sel masu ɗaukar nauyi da keɓancewar samfur na Interface® a www.interfaceforce.com, ko ta kiran ɗaya daga cikin ƙwararrun Injiniyoyi Aikace-aikacen a 480.948.5555.

Takardu / Albarkatu

Interface 301 Load Cell [pdf] Jagorar mai amfani 301 Load Cell, 301, Load Cell, Cell

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