Kusinthidwa kwa Yuken PV2R Vane Pump kuchokera kwa Wopanga waku China: Spec Match Guide

Pampu ya Yuken PV2R4-200 yokhala ndi vane iwiri — code ya chitsanzo pa nameplate ndiyo mfundo yovomerezeka ndi lamulo, ndipo malo aliwonse mu chingwecho ndi oyenera kulephera kwa spec-mismatch. Chitsime:Tsamba la malonda la Vicks Hydraulic PV2R4-200-RAA-30.

Mndandanda wa Yuken PV2R ndi umodzi mwa mabanja omwe amagwiritsidwa ntchito kwambiri pakupanga ma hydraulic, ndipo kufalikira kumeneku ndiko komwe kumapangitsa kuti banja likhale ndi mavuto ambiri pamene ogula akupeza china kuchokera kwa wopanga watsopano. Monga wopanga ma pompo a vane ochokera ku Ningbo,mizere isanu ndi umodzi yopanga zinthu yotsogola padziko lonse lapansi, mphamvu ya pampu ya vane ya pachaka yoposa 80,000, komanso udindo wotsogolera mu komiti yowunikira miyezo ya mafakitale a hydraulic ku China, gulu laNingbo Vicks Hydraulicikuwona njira zisanu ndi zitatu zomwezo zolephera zikuwonekera mobwerezabwereza mu desiki yofunsira, mayeso a bench, ndi kuyimitsidwa kwa ntchito. Bukuli likufotokoza momwe mungasankhire khodi ya PV2R, magawo omwe ayenera kufanana, njira zofala kwambiri zolephera, ndi njira yotsimikizira ya magawo asanu yomwe imasiyanitsa cholowa m'malo chofananira ndi chosinthidwa chomwe chimaoneka ngati cholowa m'malo. Kwa ogula omwe akufuna cholowa m'malo cha PV2R4-200 chotsimikizika, athugulu la mainjiniya a spec-matchakhoza kulemba dzina lomwe lilipo kale ndikubweza lipoti lolembedwa logwirizana mkati mwa masiku atatu ogwira ntchito.

Kusankha Khodi ya Model ya PV2R: Udindo uliwonse ndi wofunika kwambiri

Khodi ya Yuken PV2R si chizindikiro cha malonda; ndi tsatanetsatane wa uinjiniya wokonzedwa bwino pomwe chilembo chilichonse chili ndi tanthauzo ndipo chilembo chilichonse chiyenera kufanana pakati pa pampu yoyambirira ndi chosinthira. Powerenga kuyambira kumanzere kupita kumanja, khodi ya PV2R4-200-RAA-30 yachizolowezi imagawidwa motere.

Banja la PV2R lili ndi mabanja asanu akuluakulu. PV2R1 ndi PV2R2 ndi mapampu a single-vane mu gulu lotsika losamuka, okhala ndi mphamvu ya 8 mpaka 53 cc/rev kutengera kapangidwe kake. PV2R3 ndi PV2R4 ndi mapampu a double-vane mu gulu lokwera losamuka, ndipo PV2R3 imakhala ndi mphamvu ya 60 mpaka 116 cc/rev ndi PV2R4 yokhala ndi mphamvu ya 138 mpaka 237 cc/rev. Wogula amene apempha "PV2R m'malo mwake" popanda kutchula banja laling'ono adzalandira mtengo womwe uli ndi banja limodzi kapena awiri ang'onoang'ono poyerekeza ndi zomwe zimafunika, ndipo kusiyana kwa thupi kumawonekera pokhapokha pampu yatsopano ikafika pa doko lolandirira.

Nambala ya kusamuka imakhala pakati pa gulu la banja. M'banja la PV2R4, kusamuka kokhazikika nthawi zambiri kumakhala 138, 153, 184, 200, ndi 237 cc/rev, ndipo kusamuka kulikonse kumakhala ndi mawonekedwe akeake a vane-ring ndi mawonekedwe a rotor-port. Pampu ya 200 cc/rev ndi pampu ya 237 cc/rev sizimasinthasintha, chifukwa rotor ndi port plate si ziwalo zomwezo ngakhale zonse zili mu envelopu ya nyumba ya PV2R4.

Malo anayi otsatizana amakhazikitsa kasinthidwe. R (doko lakumbuyo), S (doko lakumbali), kapena T (doko lapamwamba) imauza wogula komwe madoko olowera ndi otulutsira amakhala pa thupi la pampu. Chilembo chotsatira chimakhazikitsa flange yoyikira: A ya flange ya 2-bolt, B ya flange ya 4-bolt, ndi mitundu ina ingapo yamakonzedwe apadera. Chilembo chotsatira chimakhazikitsa mtundu wa shaft: A ya makiyi (kiyi yofanana), B ya makiyi (kiyi ya Woodruff pamapangidwe ena), C ya splined, D ya ulusi. Choyimira cha manambala awiri chotsatizana (30, 31, 40, 50, ndi zina zotero) ndi code yamkati ya Yuken ya kukula kwa doko ndi mtundu wolunjika; wogula amene sasintha malo awa akhoza kufanana bwino ndi kusuntha ndi kupanikizika ndi kutumiza pampu yomwe simalumikizana ndi mapaipi a makina osungira.

Kuchokera ku desiki yathu yofunsira mafunso:Kukana kwa mtengo komwe timaona si mtengo wolakwika wa mtengo; ndi nambala yolakwika ya mtengo. Wogula amatitumizira “PV2R4-200″ ndipo tiyenera kubweza mafunso asanu ofotokozera tisanabweze mtengo wofunikira, chifukwa malo otsalira omwe akusowa (malo olowera, flange, shaft, designator) amatha kugawa banja la PV2R4-200 m'mitundu inayi kapena isanu yosasinthika. Wogula amene amasankha malo aliwonse pa dzina asanatumize funso amalandira mtengo mu gawo limodzi; wogula amene amatumiza code yoyambira yokha amalandira mtengo womwe sugwira ntchito.

Ma Parameter Khumi ndi Awiri Omwe Ayenera Kugwirizana ndi Kusinthana kwa PV2R Yeniyeni

Chosintha cha PV2R chopangidwa ku China chomwe chikugwirizana ndi kusuntha ndi kupanikizika kovomerezeka ndi pampu yomwe ikugwirizana ndi magawo awiri mwa khumi ndi awiri ofunikira. Pampu yomwe ikugwirizana ndi zonse khumi ndi ziwiri zomwe zimaloledwa ndi yosinthika yeniyeni. Wogula amene amaona kusuntha ndi kupanikizika ngati magawo awiri okha ndi wogula amene amapeza khumi enawo pa ntchito kapena, choipa kwambiri, m'munda. Magawo khumi ndi awiri, motsatira ndondomeko yotsika ya momwe amaphonyedwera kangati, ndi awa.

Ma parameter khumi ndi awiri ndi mndandanda wautali, koma mndandandawu umagawikana m'magawo atatu a uinjiniya. Ma parameter 1 mpaka 4 ndi envelopu ya magwiridwe antchito a hydraulic: kuyenda, kuthamanga, liwiro, ndi magwiridwe antchito. Ma parameter 5 mpaka 10 ndi mawonekedwe a makina: shaft, flange, ma ports, kuzungulira, kutulutsa madzi m'chikwama. Ma parameter 11 ndi 12 ndi malo ogwirira ntchito: kukhuthala kwamadzimadzi ndi ukhondo. Wogula amene amaona kutsimikizira ngati macheke atatu osiyana a uinjiniya m'malo mwa ma parameter khumi ndi awiri payekhapayekha adzazindikira zolepherazo modalirika, chifukwa domain iliyonse ili ndi zida zake zotsimikizira (benchi yoyesera ya hydraulic, dimensional gauge ya makina, fluid sampling ya chilengedwe).

Njira Zisanu ndi Ziwiri Zofala Kwambiri Zolephera pa Spec-Mismatch

Njira zisanu ndi zitatu zolephera zomwe zili pansipa zalembedwa motsatira ndondomeko yotsika ya momwe timaziwonera kangapo pa desiki yofunsira mafunso ndi kutsatira komwe kukuchitika. Chilichonse ndi gulu la kulephera komwe sikuonekera pachithunzi cha katalogi koma kumawonekera mkati mwa maola zana oyamba a ntchito mu makina olandirira.

Njira zisanu ndi zitatu izi zolephera zimakhudza pafupifupi 90 peresenti ya mavuto okhudzana ndi ntchito zomwe timawona m'mapulojekiti osintha a PV2R. 10 peresenti yotsalayo imagawidwa m'makonzedwe osazolowereka, zolakwika zinazake zokhudzana ndi ntchito (pompo yogawa m'magulu yamadzi yomwe imayikidwa pamalo osagawika, mwachitsanzo), ndi zosintha za unyolo woperekera (wopanga waku China amatumiza kusuntha kosiyana pang'ono ndi mtengo womwe watchulidwa). Wogula wodziletsa amazindikira zonsezi poyendetsa njira yotsimikizira magawo asanu pansipa asanayikidwe malo aliwonse.

Ndondomeko Yotsimikizira ya Masitepe Asanu

Ndondomeko ya magawo asanu yomwe ili pansipa ndi ndondomeko yomwe timayendetsa ndi ogula omwe amatumiza chitsanzo cha chinthu choyamba ku malo athu osungira zinthu ku Ningbo. Ndondomekoyi ikhoza kuyendetsedwa pa benchi ya wogula ngati wogula ali ndi zida zoyesera; timapereka ngati chithandizo kwa ogula omwe alibe mphamvu yoyesera ya hydraulic mkati. Kudumpha gawo lililonse mwa magawo asanu ndi komwe kumabweretsa kulephera kwa munda komwe kumachitika miyezi itatu mpaka khumi ndi iwiri kuchokera pamene kupanga kwachitika.

Gawo 1: Konzani khodi yoyambirira ndikulemba malo aliwonse.Tengani dzina la Yuken pump plate yoyambirira ndikulemba code yonse ya chitsanzo mu mzere umodzi wa spreadsheet, kuphatikiza zilembo zonse. Lembani kusintha kwa geometric, rated pressure, design revision, mounting flange code, shaft code, port position code, ndi trailing designator. Tumizani pepala lofotokozera ili kwa wopanga waku China ndi RFQ, osati code ya raw model yokha. Wopanga yemwe amabweza mtengo popanda kulemba code ndi wopanga yemwe amatumiza pampu yomwe ikugwirizana ndi malo awiri kapena atatu ndipo amaphonya ena onse.

Gawo 2: Tsimikizani kufanana kwa magawo ndi pepala la kabukhu la Yuken.Musanayambe kuyesa madzi, onetsetsani kuti pali kufanana pakati pa pampu yopangidwa ku China ndi pepala loyambirira la Yuken catalog. Yesani kukula kwa shaft ndi kutalika, kukula kwa kiyi ya shaft ngati kuli koyenera, kuchuluka kwa bwalo la flange bolt ndi bolt, mtunda wa pakati pa doko lolowera ndi kutuluka, ndi kukula kwa doko la case drain ndi malo ake. Yerekezerani kukula kulikonse ndi gulu lolekerera catalog, nthawi zambiri kuphatikiza kapena kuchotsa 0.05 mm pa shaft diameter ndi kuphatikiza kapena kuchotsa 0.1 mm pa bwalo la bolt. Gauge ya go/no-go yochokera pa Yuken catalog ndi chida chothandiza chamunda; makina oyezera ogwirizana ndi chida cha labu.

Gawo 3: Tsimikizani momwe zinthu zikuyendera motsutsana ndi mtsinje wofalitsidwa wa flow-vs-pressure pa liwiro lachitatu.Yendetsani mpope wosinthira pa benchi yoyesera ya hydraulic pa liwiro logwira ntchito katatu (nthawi zambiri 900, 1200, ndi 1800 rpm), ndikujambula curve ya flow-versus-pressure pa liwiro lililonse. Yerekezerani ndi curve yofalitsidwa ya Yuken kuti mupeze displacement ndi pressure rating yomweyo. Pope wosinthira womwe umagwirizana mkati mwa plus kapena minus 5 peresenti ya flow pa malo aliwonse oyesera ndi wofanana ndi magwiridwe antchito. Onetsetsaninso kuti volumetric efficiency, yomwe iyenera kugwera mu 92 mpaka 96 peresenti band pazifukwa zovomerezeka za PV2R4-class pump yomangidwa bwino.

Gawo 4: Tsimikizirani phokoso ndi kuthamanga kwa madzi otuluka m'chikwama malinga ndi momwe zinthu zilili.Yendetsani mpope wosinthira pa liwiro lovomerezeka ndi kupanikizika kovomerezeka kwa nthawi yayitali (nthawi zambiri mphindi 30 ndizokwanira kuti mufike pamlingo wofanana ndi kutentha) ndikuyesa phokoso lochokera pa mtunda wa mita imodzi paISO 4412-1kapena chofanana nacho. Yerekezerani ndi kamvekedwe ka phokoso kofalitsidwa ndi Yuken; banja la PV2R4 nthawi zambiri limagwira ntchito mu gulu la 65 mpaka 75 dB(A) pamlingo wovomerezeka. Pampu yosinthira yomwe imaposa kamvekedwe ka phokoso kofalitsidwa ndi kupitirira 3 dB(A) ndi pampu yokhala ndi mavuto ochotsera ma vane-tip omwe angafupikitse moyo wa ntchito. Onetsetsaninso kuthamanga kwa madzi otuluka m'chikwama, komwe kuyenera kukhala pansi pa 1.5 bar pansi pa mikhalidwe yabwinobwino yogwirira ntchito; kuthamanga kwa madzi otuluka m'chikwama pamwamba pa 2 bar kumasonyeza kutuluka kwa mkati.

Gawo 5: Yesani mayeso a kupirira kwa benchi kwa maola 50.Yendetsani pampu yosinthira pa benchi kwa maola osachepera 50 pa mphamvu yovomerezeka komanso liwiro lovomerezeka, kuchuluka kwa kayendedwe ka sampuli ndi kutentha kwa madzi otuluka m'thupi maola 10 aliwonse kuti mutsimikizire kuti palibe kusuntha. Pampu yomwe imataya madzi opitilira 3 peresenti pa kuthamanga kwa maola 50 ndi pampu yokhala ndi kuwonongeka komwe kudzafupikitsa moyo wautumiki mu makina osungira. Lembani chitsanzocho ndi zithunzi za nameplate, mbiri yotsimikizira kukula kwake, kuyerekeza kwa kayendedwe ka madzi ndi kuthamanga kwake, kuwerenga phokoso, ndi mbiri ya momwe zinthu zilili kwa maola 50. Tumizani lipoti lachitsanzo pamodzi ndi oda iliyonse yogulira yotsatira kuti wopanga akhale ndi mbiri yokhazikika ya nambala ya gawo lomwe linayeneretsedwa motsutsana ndi mtundu wa Yuken woyambirira.

Zimene Wogula Ayenera Kutumiza kwa Wopanga Kuti Apeze Mtengo Wolondola

Kuti apange mawu ofunikira osinthira a PV2R, wopanga amafunikira mfundo zisanu zomwe zimapitirira code ya chitsanzo. Choyamba, nthawi yogwiritsira ntchito, yomwe ndi kuchuluka kwa nthawi yomwe pampu imathera pa kupanikizika kwakukulu poyerekeza ndi kupsinjika pang'ono poyerekeza ndi kupsinjika kwa zero, chifukwa nthawi yogwirira ntchitoyo imatsimikiza ziyembekezo za moyo wa bearing ndi vane. Chachiwiri, mtundu wamadzimadzi ndi kukhuthala, chifukwa mapampu omwe atchulidwa pamafuta amchere sangakhale oyenera madzi opangidwa osapsa ndi moto kapena mafuta a hydraulic omwe amatha kuwonongeka. Chachitatu, kalasi yosefera ya makina osungira ndi njira yotulutsira madzi, chifukwa wopanga ayenera kutsimikizira kuti malo osungiramo zinthu amatha kuthandizira pampu. Chachinayi, kutentha kozungulira ndi zidziwitso zilizonse zoyendetsera kutentha. Chachisanu, satifiketi ya gulu kapena mafakitale yomwe ikufunika (pa ntchito zapamadzi, zakunja, zankhondo, kapena zamagulu azakudya, satifiketiyo imatsimikiza kuti ndi mankhwala ati osindikizira ndi omwe amawongolera kupanga mafakitale omwe amagwiritsidwa ntchito).

Nthawi Yotsogolera ndi Ndondomeko ya Chitsanzo

Pakusintha kwa banja la PV2R4 (khodi yomwe ikugwirizana ndi zida zomwe zilipo kale kwa wopanga), nthawi yoyambira nthawi zambiri imakhala pakati pa masiku 10 mpaka 15 a bizinesi kuyambira kutsimikizika kwa oda mpaka kutumiza kunja kwa fakitale, kuphatikiza kuyenda panyanja kwa masiku pafupifupi 25 mpaka 35 kupita ku doko la US West Coast kapena masiku 30 mpaka 40 kupita ku doko la Europe North Sea. Pakapangidwe kosakhala ka sheya komwe kumafuna zida zatsopano (flange yoyikira yosakhala yachizolowezi, shaft yosakhala yachizolowezi, kapena mawonekedwe osakhala achizolowezi a doko), nthawi yoyambira imafikira pafupifupi masiku 45 mpaka 60. Kuchuluka kwa zitsanzo zotsimikizira nkhani yoyamba nthawi zambiri kumatumizidwa mkati mwa masiku 5 mpaka 7 a bizinesi ndipo kumafika ndi katundu wa pandege mkati mwa masiku 7 mpaka 10.

Mafunso Ofunsidwa Kawirikawiri