Mainjiniya saizi pombi yegiya vachishandisa maverengero maviri ekutanga. Ivo vanotanga vaona iyo inodiwa kutamiswa kubva kune system's flow rate (GPM) uye mutyairi kumhanya (RPM). Tevere, ivo vanoverengera inodiwa yekupinza bhiza vachishandisa kuyerera mwero uye yakanyanya kudzvanywa (PSI). Aya matanho ekutanga akakosha pamberi pakotenga pombi yegiya.
Core Sizing Formulas:
Displacement (in³/rev) = (Kuyerera Kwekuyerera (GPM) x 231) / Kumhanya Kwepombi (RPM)
Simba reBhiza (HP) = (Kuyerera Kwekuyerera (GPM) x Kudzvanya (PSI)) / 1714
Kukura Yako Gear Pombi: Nhanho-ne-Nhanho Maverengero
Kunyatsoyera pombi yegiya kunosanganisira maitiro, nhanho-ne-nhanho maitiro. Mainjiniya anotevera aya akakosha maverengero kuenzanisa pombi kune chaiyo inodiwa yehydraulic system. Izvi zvinoita kuti midziyo ishande zvakanaka uye yakavimbika.
Sarudza Inodiwa Kuyerera Mwero (GPM)
Danho rekutanga nderekumisa chiyero chinodiwa chekuyerera, kuyerwa mumagaroni paminiti (GPM) Ukoshi uhwu hunomiririra huwandu hwemvura iyo pombi inofanirwa kuendesa kuti ishandise masystem's actuators, senge hydraulic cylinders kana mota, nekumhanya kwavanoda.
Injiniya inosarudza zvinodiwaGPMnekuongorora zvinodiwa nehurongwa hwekushanda. Zvinhu zvakakosha zvinosanganisira:
Actuator Speed: Iyo inodiwa kumhanya kuti silinda iwedzere kana kudzoka.
Actuator Size: Huwandu hwehumburumbira (yakabereka dhayamita uye kureba kwekurohwa).
Mota Speed: Chinangwa chinochinja paminiti (RPM) ye hydraulic motor.
Semuyenzaniso, silinda hombe ye hydraulic press cylinder iyo inofanirwa kufamba nekukurumidza inoda kuyerera kwepamusoro pane silinda diki inoshanda zvishoma nezvishoma.
Ziva Pump Operating Speed (RPM)
Tevere, injinjini inoratidza kumhanya kwekushandisa kwemutyairi wepombi, kuyerwa mumarevolutions paminiti (RPM) Mutyairi ndiye sosi yemagetsi inotenderedza shaft yepombi. Izvi zvinowanzoita mota yemagetsi kana injini yekupisa yemukati.
Kumhanya kwemutyairi hunhu hwakagadziriswa hwemidziyo.
Magetsi Motors muUnited States anowanzo shanda pamwero wezita we1800 RPM.
Gasi kana Diesel Injini dzine spidhi inosiyana, asi pombi yakakurisa zvichibva pane iyo injini yakanyatsoshanda kana yakajairika kushanda.RPM.
IzviRPMkukosha kwakakosha pakuverenga kwekutama.
Verenga Inodiwa Pombi Displacement
Neyekuyerera uye kumhanya kwepombi inozivikanwa, injinjiniya inogona kuverenga inodiwa pombi kutamiswa. Displacement ihuwandu hwemvura inofambiswa nepombi neshanduko imwe chete, yakayerwa mu cubic inches per revolution (mukati³/rev) Ndiyo saizi ye theoretical yepombi.
Formula yekubvisa:Displacement (in³/rev) = (Kuyerera Kwekuyerera (GPM) x 231) / Kumhanya Kwepombi (RPM)
Muenzaniso Kuverengera: Sisitimu inoda gumi GPM uye inoshandisa mota yemagetsi inomhanya pa1800 RPM.
Displacement = (10 GPM x 231) / 1800 RPM Displacement = 2310/1800 Displacement = 1.28 in³/rev
Injiniya yaizotsvaga pombi yegiya ine kusimuka inosvika 1.28 in³/rev.
Sarudza Maximum System Pressure (PSI)
Kudzvinyirira, kuyerwa mumapaundi pa square inch (PSI), inomiririra kuramba kuyerera mukati meiyo hydraulic system. Zvakakosha kunzwisisa kuti pombi haigadziri kudzvinyirira; inogadzira kuyerera. Dzvinyiriro inomuka apo kuyerera ikoko kunosangana nemutoro kana kurambidzwa.
Iyo yakanyanya system pressure inotarwa nezvinhu zviviri zvikuru:
Mutoro: Simba rinodiwa kufambisa chinhu (semuenzaniso, simudza uremu, sunga chikamu).
Iyo System's Relief Valve Setting: Iyi vharafu chinhu chekuchengetedza chinovhara kudzvanywa padanho repamusoro rakachengeteka kuchengetedza zvikamu.
Injiniya inosarudza pombi yakayerwa kuti imirire iyi yakanyanya kumanikidza kushanda nguva dzose.
Verenga Inodiwa Input Horsepower
Yekupedzisira yekutanga kuverenga inosarudza iyo yekupinza bhiza (HP) inodiwa kutyaira pombi. Uku kuverenga kunovimbisa kuti yakasarudzwa yemagetsi mota kana injini ine simba rakakwana rekubata izvo zvakanyanya zvinodiwa nehurongwa. Kusakwana kwebhiza simba kuchaita kuti mutyairi amire kana kupisa.
Formula yeHorsepower:Simba reBhiza (HP) = (Kuyerera Kwekuyerera (GPM) x Kudzvanya (PSI)) / 1714
Muenzaniso Kuverengera: Iyo yakafanana sisitimu inoda gumi GPM uye inoshanda pakumanikidza kukuru kwe2500 PSI.
Simba rebhiza = (10 GPM x 2500 PSI) / 1714 Horsepower = 25000 / 1714 Simba rebhiza = 14.59 HP
Iyo sisitimu inoda mutyairi anokwanisa kuendesa inokwana 14.59 HP. Injiniya ingangosarudza inotevera saizi kumusoro, senge 15 HP mota.
Rongedza Kusashanda Kwepombi
Maformula ekutamisa uye simba rebhiza anofungidzira kuti pombi inoshanda ne100%. Muchokwadi, hapana pombi yakakwana. Kusakwana kubva mukati mekudonha kwemukati (volumetric kunyatsoshanda) uye friction (mechanical performance) zvinoreva kuti simba rakawanda rinodiwa pane kuverengwa.
Mainjiniya anofanirwa kugadzirisa iyo horsepower calculation kuti izvidavirire pane izvi. Kushanda kwepombi kwese kunowanzova pakati pe80% ne90%. Kuripa, vanogovanisa simba retioretical horsepower nepombi inofungidzirwa kushanda kwayo kwese.
Pro Tip: Tsika inochengetedza uye yakachengeteka ndeyekufungidzira kugona kwe85% (kana 0.85) kana data yemugadziri isipo.
Chaiyo HP = Theoretical HP / Kubudirira Kwese
Kushandisa muenzaniso wekare:Chaizvoizvo HP = 14.59 HP / 0.85 HP chaiyo = 17.16 HP
Kugadzirisa uku kunoratidza simba rechokwadi rinodiwa. Tafura inotevera inoratidza kukosha kwedanho iri.
| Nhamba Yekuverengera | Rinodiwa Horsepower | Yakakurudzirwa Motor |
|---|---|---|
| Theoretical (100%) | 14.59 HP | 15 HP |
| Chaizvoizvo (85%) | 17.16 HP | 20 HP |
Kutadza kuzvidavirira nekusashanda zvakanaka kwaizotungamira mainjiniya kuti asarudze mota gumi neshanu yeHP, iyo yaizove isina simba rekushandisa. Sarudzo chaiyo, mushure mekugadzirisa, ndeye 20 HP mota.
Kunatsiridza Sarudzo Yako uye Kwaunotenga Gear Pombi
Masvomhu ekutanga anopa theoretical pombi saizi. Nekudaro, mamiriro ekushanda epasirese anoda kumwe kunatswa. Mainjiniya anotarisa zvinhu zvakaita sezvivakwa zvemvura uye mashandiro echikamu kuti ave nechokwadi chekuti pombi yakasarudzwa inoita nemazvo. Aya macheki ekupedzisira akakosha sangano risati rafunga kutenga pombi yegiya.
Iyo Fluid Viscosity Inobata Sei Kukura
Fluid viscosity inotsanangura kuramba kwemvura kuyerera, kunowanzonzi ukobvu hwayo. Ichi chivakwa chinokanganisa zvakanyanya kuita kwepombi uye saizi.
Yakakwira Viscosity (Yakakora Fluid): Mvura yakakora, senge inotonhora hydraulic oiri, inowedzera kuyerera kuramba. Iyo pombi inofanirwa kushanda nesimba kufambisa mvura, zvichitungamira kune yakakwira yekupinza bhiza inodiwa. Injiniya angangoda kusarudza mota ine simba zvakanyanya kudzivirira kumira.
Low Viscosity (Thin Fluid): Mvura yakatetepa inowedzera kubuda mukati, kana "kutsvedza," mukati mepombi. Mvura yakawanda inotsvedza ichipfuura mazino egiya kubva kudivi rekudzvanya-kubuda kuenda kune yakaderera-kudzvanywa inlet side. Izvi zvinoderedza kubuda kwepombi chaiko.
Ongorora: Injiniya inofanirwa kubvunza zvakatemwa nemugadziri. Iyo dhetabheti icharatidza inogamuchirwa viscosity renji yeimwe pombi modhi. Kuregeredza izvi kunogona kutungamira mukupfeka nguva isati yakwana kana kutadza kwehurongwa. Ruzivo urwu rwakakosha pakugadzirira kutenga pombi yegiya.
Kushandisa Tembiricha Kunokanganisa Kuita
Kushanda tembiricha kunokanganisa zvakananga fluid viscosity. Sezvo iyo hydraulic system inopisa panguva yekushanda, mvura inova mutete.
Injiniya inofanirwa kuongorora huwandu hwese hwekushisa hwechishandiso. Sisitimu inoshanda munzvimbo inotonhora ichange iine mamiriro ekutanga akasiyana pane imwe mufekitari inopisa.
| Tembiricha | Fluid Viscosity | Pump Performance Impact |
|---|---|---|
| Low | Yakakwirira (yakakora) | Kuwedzera kudiwa kwemabhiza; njodzi ye cavitation. |
| High | Yakaderera (Mutete) | Kuwedzera kwemukati slip; kuderedza volumetric kunyatsoshanda. |
Sarudzo yepombi inofanirwa kugarisa iyo yakaderera viscosity (yakanyanya tembiricha) kuve nechokwadi kuti ichiri kuburitsa inodiwa yekuyerera. Uku ndiko kufunga kwakakosha kune chero munhu ari kutsvaga kutenga pombi yegiya yenzvimbo inoda.
Accounting yeVolumetric Efficiency
Iyo displacement formula inoverengera pombi yetioretical kubuda. Kubudirira kweVolumetric kunoratidza kuburitsa kwayo chaiko. Iro reshiyo yekuyerera chaiko kunounzwa nepombi kuyerera kwayo kwe theoretical.
Kuyerera Kwechokwadi (GPM) = Theoretical Flow (GPM) x Kubudirira kweVolumetric
Kushanda kweVolumetric hakuna kumbobvira 100% nekuda kwekudonha kwemukati. Kushanda uku kunodzikira sezvo kudzvanywa kwehurongwa kunowedzera nekuti kudzvinyirirwa kwepamusoro kunomanikidza mvura yakawanda kuti itsvedze kupfuura magiya. Iyo yakajairika giya pombi nyowani ine volumetric kugona kwe90-95% pakumanikidzwa kwayo kwakayerwa.
Muenzaniso: Pombi ine theoretical kubuda kwegumi GPM. Kushanda kwayo kwevolumetric pakumanikidza kwekushanda ndeye 93% (0.93).
Kuyerera chaiko = 10 GPM x 0.93 Kuyerera chaiko = 9.3 GPM
Iyo sisitimu inongogamuchira 9.3 GPM, kwete iyo yakazara gumi GPM. Injiniya anofanirwa kusarudza pombi yakati kurei yekutamisa kuti atsivise kurasikirwa uku uye kuzadzisa chiyero chekuyerera. Iyi gadziriso inhanho isingagone kutaurirana usati watenga pombi yegiya.
Vepamusoro-Vakarongwa Vagadziri uye Vatengesi
Kusarudza pombi kubva kumugadziri ane mukurumbira kunovimbisa mhando, kuvimbika, uye kuwana kune yakadzama yehunyanzvi data. Mainjiniya vanovimba nemhando idzi nekuda kwekuita kwavo kwakasimba uye rutsigiro rwakakwana. Kana yave nguva yekutenga pombi yegiya, kutanga nemazita aya izano rekurira.
Vanotungamira Gear Pombi Vagadziri:
• Parker Hannifin: Inopa huwandu hwakawanda hwesimbi yakakandwa uye aluminium giya pombi inozivikanwa nekusimba kwayo.
• Eaton: Inopa yakakwirira-inoshanda giya pombi, kusanganisira modhi dzakagadzirirwa kuda nharembozha uye maindasitiri maapplication.
• Bosch Rexroth: Inozivikanwa nekunyatso-engineered ekunze giya pombi inopa kushanda kwepamusoro uye hupenyu hurefu hwebasa.
• HONYTA: Mutengesi anopa akasiyana mapombi egiya anodzikamisa kuita nemutengo-kubudirira.
• Permco: Nyanzvi mune yakakwirira-kumanikidza hydraulic giya pombi uye mota.
Vagadziri ava vanopa madheti akakura ane macurves ekuita, chiyero chekushanda, uye dimensional dhizaini.
Mamiriro Akakosha Pakutenga
Kuita sarudzo yekupedzisira yekutenga kunosanganisira zvinopfuura kungofananidza kutamiswa uye simba rebhiza. Injiniya inofanirwa kuona akati wandei akakosha maitiro ekuvimbisa kuenderana uye budiriro yenguva refu. Kunyatsoongorora kwezvizvi idanho rekupedzisira usati watenga pombi yegiya.
Simbisa Performance Ratings: Kaviri-tarisa kuti iyo yepombi isingaperi inopfuurira kudzvanywa inodarika iyo system inodiwa kudzvanywa.
Tarisa Zvekuita Zvenyama: Ita shuwa kuti pombi inokwirisa flange, shaft mhando (semuenzaniso, keyed, splined), uye saizi yechiteshi inoenderana nedhizaini yehurongwa.
Verify Fluid Compatibility: Simbisa kuti zvinhu zvepombi (semuenzaniso, Buna-N, Viton) zvinofambirana nehydraulic fluid iri kushandiswa.
Ongorora Manufacturer Datasheets: Ongorora maitiro ekuita. Aya magirafu anoratidza kuti kuyerera uye kushanda zvakanaka kunoshanduka sei nekumhanya uye kudzvanywa, zvichipa mufananidzo chaiwo wekugona kwepombi.
Funga nezveDuty Cycle: Pombi yekuenderera mberi, 24/7 mashandiro angangoda kuve akasimba kupfuura anoshandiswa pamabasa epakati.
Kunyatsoongorora mapoinzi aya kunoita kuti chikamu chakakodzera chasarudzwa. Kushinga uku kunodzivirira zvikanganiso zvinodhura uye system downtime mushure mekutenga pombi yegiya.
Kunyatso kuyera pombi yegiya kwakakosha kune yakakwana hydraulic system kuita uye hupenyu hurefu. Injiniya anotevera nzira yakajeka yekuita izvi.
Ivo vanotanga kuverenga inodiwa kusimuka uye simba rebhiza.
Tevere, vanokwenenzvera aya maverengero ekushanda, viscosity, uye tembiricha.
Chekupedzisira, vanotenga pombi kubva kumutengesi ane mukurumbira seHONYTA kana Parker inoenderana nemadimikira chaiwo.
Nguva yekutumira: Oct-29-2025