Kafukufuku wokhudza kutsika kwamphamvu kwa jakisoni mu mbiya yamakina omangira jekeseni

Mawu oyamba

jekeseni akamaumba ndondomeko parameter kuyika ndi gawo lachidziwitso champhamvu ndi chiphunzitso chofooka, ndipo ndizovuta kukhazikitsa [1] chifukwa cha masamu ake olondola, pamene teknoloji yowunikira deta ndi njira yopezera chidziwitso kuchokera ku mbiri yakale, zomwe sizikusowa zomangamanga zovuta, choncho amagwiritsidwa ntchito kwambiri pankhaniyi. Mwachitsanzo, Zhang Lingli et al. [2] adagwiritsa ntchito kusanthula kangapo kuti akhazikitse njira yobwereranso paubwenzi pakati pa kuthamanga kwa jekeseni ndi kutentha kwa nkhungu ndi kukula kwa geometric moldingXie Peiping et al. [3] adakambirana za ubale womwe ulipo pakati pa kupsinjika kotsalira kwa chinthucho powerenga mtundu wapabowo wokhotakhota wa magawo osiyanasiyana; SHEN C Y et al [4] wokometsedwa ndondomeko jekeseni magawo kuchepetsa voliyumu shrinkage wa akamaumba mankhwala, ndipo [5] adapereka njira yowunikira njira yopangira jakisoni kudzera pamtundu wa netiweki, kuti athe kuzindikira zolakwika ndi kulosera zaubwino.

M'mbuyomu kupanga mchitidwe, mainjiniya atha kupeza kuchuluka kwa kuthamanga kwa jakisoni mumtsuko wamakina omangira jekeseni, kotero kuthamanga kwa jekeseni mu mbiya nthawi zambiri kumakhala kofanana ndi kuthamanga kwa jekeseni mu nkhungu, pamene kutaya kwa jekeseni wa jekeseni mu mbiya sikunyalanyazidwa. Ndi chitukuko cha luso jekeseni akamaumba, mochulukirachulukira, akatswiri ambiri adazindikira kuti cholozera chofunikira chomwe chimakhudza mtundu wa zinthu zomangira jekeseni chinali kuthamanga kwa jekeseni wa nkhungu m'malo mwa kukakamiza kwa jekeseni ndi makina omangira jekeseni., ndipo anayamba kulabadira phunziro la jekeseni kuthamanga kutaya mu makina jekeseni akamaumba, koma zochepa zofufuza mwadongosolo komanso zomaliza zidanenedwa.

Malinga ndi luso lachitukuko m'munda wa jekeseni pulasitiki akamaumba, kuphatikizidwa ndi udindo wamakampani, tsopano mu kafukufuku jekeseni kuthamanga kutaya, kupyolera mu mayesero angapo kuti mupeze deta, ndikugwiritsa ntchito ukadaulo wosanthula deta kuti mufufuze mtundu wa kutayika kwa jekeseni, onjezerani kulondola kwa kuneneratu kwa kuthamanga kwa jekeseni.

Zida ndi nkhungu zophunzirira

Mayeso a jekeseni amapangidwa pa a 1 200 kN electric jakisoni woumba makina, yomwe imagwiritsa ntchito magalimoto onse ndi PLC, kutembenuka pafupipafupi komanso ukadaulo wowongolera servo, ndipo akhoza kukwaniritsa kulamulira molondola kwambiri. Kuwongolera makina opangira jekeseni kuti mukhale okhazikika

Kuchita kungatsimikizire kudalirika ndi kukhazikika kwa zotsatira za mayeso. Chikombole chomwe chimagwiritsidwa ntchito pofufuza ndi nkhungu ya mbale ziwiri za njira wamba yotuluka yomwe imayikidwa ndi sensor sensor pazipata ziwiri. Kukula kwa patsekeke ndi 301 mm 57 mm 2.5 mm. Chopangidwacho chimakhala ndi makulidwe ofanana ndi mawonekedwe osavuta, zomwe zimatha kuzindikira zotsika mtengo komanso njira yoyesera yojambulira bwino kwambiri.

Kuthandizira kupeza ndi kusanthula deta, ComoDataCen idagwiritsidwa ntchito (chapakati yosungirako dongosolo r jekeseni ndondomeko deta), Kutolere pakati ndi processingKuthamanga kwa jekeseni ndi kupanikizika kwa sensa pachipata cha nkhungu, chitsanzo choyesera jekeseni chikuwonetsedwa mu Chithunzi 1.

njira yoyesera

Popeza kuti mayesero a kafukufuku adapangidwa kuti afufuze zinthu zomwe zimakhudza kupanikizika panthawi ya jekeseni, kupsyinjika

Kuthamanga kwa jekeseni, Sungunulani kutentha, ndi zinthu mtundu monga 3 zinthu

Maphunziro osiyanasiyana, ndi mfundo imodzi yokha ya viscosity index (VI) pakati pa 51.6 ~

327.2 (single point reference viscosity index ili pa kutentha komwe kumanenedwa ndi kukameta ubweya 1 000 / s) pogwiritsa ntchito Cross-WLFKukhuthala kwa ma viscosity owerengeredwa ndi mawonekedwe a mamasukidwe akayendedwe amatha kuwonetsa kuchuluka kwa zinthuzo pamlingo wina., yeserani jekeseni pansi pazikhalidwe zosiyanasiyana zosungunula kutentha pa wononga liwiro la 20 ~ 180 mm/s, ndi kusonkhanitsa kuthamanga kwa jekeseni ndi kupanikizika kwa sensa ya jekeseni pansi pa mayesero osiyanasiyana a jekeseni. Mndandanda wazinthu zoyeserera zoyeserera zikuwonetsedwa mu Table 1.

Yesani kusonkhanitsa deta

Kudzera mndandanda wa mayeso akamaumba jekeseni, jekeseni wa jekeseni makina ndi nkhungu sensa kuthamanga pamapindikira pansi pa zinthu zosiyanasiyana ndondomeko ya zipangizo zosiyanasiyana amapezeka, ndi jekeseni wa jekeseni wopindika V / P ndi kusintha

Mtengo wapatali wa magawo PF 1 ndi Die Sensor Pressure Curve V / P kusintha

Mtengo wapatali wa magawo PF 2 amapeza Δ PF ndipo amawonetsa kutayika kwa jekeseni mu mbiya ya makina omangira jekeseni mu gawo lodzaza.. Monga momwe tawonetsera pa Chithunzi 2, kudzaza gawoKuthamanga kwa jekeseni mu mbiya ya makina a jakisoni Δ PF = 1 649-946= 703 pa.

Pakuti mawerengedwe a jekeseni kuthamanga imfa mu mbiya siteji, pambuyo kuthamanga kutayika, kusiyana pakati pa kupanikizika kwa PP2 Δ P ndi kutayika kwa mphamvu mu mbiya mu mbiya ndipo mbiya ndi kutayika kwa mphamvu mu mbiya ndi kutayika kwa jekeseni Δ PP = 999-732 = 267 bar..

Kusanthula deta yoyeserera

Yesani kusonkhanitsa deta

Kudzera pamwamba njira, deta yoyesera ya gulu lirilonse idasankhidwa ndipo tebulo la deta yoyesera linapangidwa. Chiwerengero cha 132 magulu a mayeso a jekeseni anachitidwa 6 zipangizo. Chifukwa cha malo ochepa, Table 2 amangotchula zina zoyesa.

Kusanthula kwa mzere wocheperako wa data yoyeserera

Malinga ndi mayeso a data, ΔPF ndi PF 1, ΔPF ndi ΔPF V, D PF, motsatira, ndi kutentha kwa T, monga momwe tawonetsera pa Chithunzi 3 ku Figure 5.

Chiwembu cha Scatter ndi njira imodzi yothandiza kwambiri yojambula [6] kudziwa ngati pali kulumikizana, machitidwe, kapena mayendedwe pakati 2 zosintha manambala. Chifukwa chake, kufananiza kwa kugawa kwabalaza mu Chithunzi 3 ku Figure 5 zikuwonetsa kuti pali mgwirizano wamphamvu pakati pa ΔPF ndi PF 1 (mawonekedwe a mfundo zokonzedwa amatsamira kuchokera pansi kumanzere kupita kumanja

Obkew, kutanthauza kuti PF 1 mtengo ukuwonjezeka ndi ΔPF, kutanthauza mgwirizano wabwino [5]), pomwe liwiro la jekeseni V ndi kutentha kwa sungunula T sikulumikizana kwenikweni.

Pearson's corelation coefficient mu sayansi yachilengedwe imagwiritsidwa ntchito kwambiri kuyeza kuchuluka kwa kulumikizana pakati pamitundu iwiri., ndi ma values ​​pakati pa-1 ndi 1. Pearl

Coefficient yocheperako yolumikizira nthawi zambiri imaimiridwa ndi chilembo R, zomwe mtengo wake ndi wolakwika umasonyeza kusagwirizana pakati pa zosintha, ndipo kukhala wokhazikika kumawonetsa kulumikizana kwabwino, ndi mtengo wokulirapo wa R, kukulitsa kulumikizana kwa 2 seti ya data. Chifukwa chake, Pearson coefficient corelation pakati pa ΔPF ndi PF 1, V, T, ndipo 3 ma data,

Fang, amagwiritsidwa ntchito kuyeza kuchuluka kwa mgwirizano pakati pa ΔPF ndi the 3 zosintha. R2=0,981, ΔPF ndi V nambala ya 1 ma data a ΔPF ndi PF 1

Malinga ndi R2=0.282 mu seti ndi R2=0.534 mu seti ya data ya T, mgwirizano wapamwamba kwambiri unatsimikiziridwa pakati pa ΔPF ndi PF 1, ndiyeno chiwerengerocho chinapezedwa pochepetsa kuchuluka kwa makwerero a cholakwikacho

Kuchepetsa mphamvu ya gawo. Kutengera njira yowunikira kuyambiranso, kwa chiwerengero chachikulu cha ziwerengero

Data masamu processing, kudziwa kugwirizana pakati pa zosinthika zodalira ndi zina zodziyimira pawokha, khazikitsani equation yabwino yolumikizirana (ntchito mawu) [8], adapanga makina ojambulira mbiya ya jakisoni wolosera kutayika, akhoza kukhathamiritsa makonzedwe a jekeseni muyeso, kuthandiza amisiri kupeza mwachangu kukakamiza koyenera kwa jakisoni ndi kukakamiza. Chifukwa cha mayeso ochepa, jekeseni wotaya mphamvu ya jekeseni wa mbiya pakati pa makina osiyanasiyana omangira jekeseni samaphunziridwa ndikuwunikidwa, ndipo sizikuwonekera bwino pakati pa kutayika kwamphamvu kwa mbiya ya jakisoni ndi zida zamakina omangira jekeseni.. Ndi kuzama kwa kafukufuku, ochuluka ali mumgolo

Malinga ndi masamu kukhathamiritsa njira yabwino yofananira ntchito [(7]

njira yocheperako),

Zomwe zimakhudzidwa zokhudzana ndi kutayika kwa mphamvu ya jekeseni zidzakumbidwa kuti zikhale zangwiro

Gwirizanitsani ntchito yabwino yofananira ya Δ PF ndi PF 1 kuti mupeze Δ PF za PF 1 mawu:

ΔPF =0.410 1×PF1 (1)

Fomula (1) itha kugwiritsidwa ntchito ngati chitsanzo cholosera za kutayika kwamphamvu kwa jakisoni mu mbiya yamakina a jakisoni mu gawo lodzaza. Mu kupanga kwenikweni, jekeseni wamtengo wapatali mu mbiya ya makina a jekeseni amapezeka mosavuta, kotero chitsanzo ichi ndi applicability lonse.

Mofananamo, molingana ndi data yoyeserera, jambulani chiwembu chobalalitsa cha siteji yogwira ntchito, monga momwe tawonetsera pa Chithunzi 6, ndikugwirizana ndi ntchito yabwino yofananira ya kutayika kwa kuthamanga Δ PP mu mbiya ndi kuthamanga kwa jekeseni wa PP1 deta yomwe ili mu siteji yogwira ntchito.:

ΔPP =0.258 9×PP1

Maphunziro omwe ali pamwambawa akuwonetsa kuti kutayika kwa mphamvu ya jekeseni sikugwirizana ndi liwiro la jekeseni ndi kutentha kwa kutentha, koma zimagwirizana kwambiri ndi kuthamanga kwa jekeseni mu mbiya, ndipo angadziwike pomanga (fx) =kx ntchitoKuwombera kutaya kwamphamvu, x ndiye mphamvu ya jakisoni wa mbiya yamakina omangira jakisoni, ndi k ndiye pressureloss dzuwa. Komanso, equations (1) ndipo (2) wonetsani zochitika zoyambira zamitundu yosiyanasiyana ya jekeseni wotayika mu mbiya panthawi zosiyanasiyana za jakisoni (kudzaza ndi kusungirako kupanikizika).

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Kwa nthawi yayitali, mainjiniya alibe kafukufuku wokhudza kutayika kwa jekeseni mu mbiya yamakina omangira jekeseni. Nthawi zambiri, kusanthula kayeseleledwe otaya nthawi zambiri kumangoganizira za kusamutsidwa kwamphamvu mu nkhungu, kotero kuti kuyerekezera kwa kuthamanga kwa jekeseni kumapatuka. Njira yatsopano yotaya mphamvu ya jekeseni imawululidwa: ΔP = k P, ΔP = k P; komwe k k ndiye kudzaza ndi kusungitsa kukakamizidwa Kutaya kokwanira kwa gawolo. Kutengera njira yowunikira kuyambiranso, kwa chiwerengero chachikulu cha ziwerengero

Data masamu processing, kudziwa kugwirizana pakati pa zosinthika zodalira ndi zina zodziyimira pawokha, kukhazikitsa mgwirizano wabwino wa regression equation (ntchito mawu) [8], kupanga njira yolosera kutayika kwa mbiya ya mbiya, akhoza kukhathamiritsa makonzedwe a jekeseni muyeso, kuthandiza amisiri kupeza mwachangu kukakamiza koyenera kwa jakisoni ndi kukakamiza. Chifukwa cha mayeso ochepa, jekeseni wotaya mphamvu ya jekeseni wa mbiya pakati pa makina osiyanasiyana omangira jekeseni samaphunziridwa ndikuwunikidwa, ndipo sizikuwonekera bwino pakati pa kutayika kwamphamvu kwa mbiya ya jakisoni ndi zida zamakina omangira jekeseni.. Ndi kuzama kwa kafukufuku, zochulukira zili mu mbiyaZinthu zokopa zokhudzana ndi kutayika kwa jekeseni zidzakumbidwa kuti zikhale zangwiroNdikusintha mtundu wolosera wa kutayika kwa jekeseni mu mbiya yamakina omangira jekeseni., ndikulimbikitsa kuwongolera kwa pulogalamu yoyezera kuthamanga kwa pulogalamu yowunikira zoyeserera, ndikulimbikitsa zodzichitira ndi chitukuko chanzeru cha njira yopangira jakisoni.

Ngati muli ndi mafunso pa makina opangira jekeseni ,plz khalani omasuka kufunsa Gulu la FLYSE （whatsapp:+86 18958305290）,tidzakupatsani utumiki wabwino kwambiri!