Ukusungulwa nokuvela kwenhloso kuwumshini owenza ibhodlela
Ekuqaleni kweminyaka yo-1920, kwandulelwa kwangaphambilini kweBuch Emhart Company eHartford kwazalwa umshini wokuqala onesimo sebhodlela (isigaba ngasinye), ehlukaniswe ngamaqembu amaningana azimele, futhi iqembu ngalinye lingavimba futhi liguqule kakhulu. Yingxenye enengxenye emine iwuhlobo lokwenza ibhodlela ekwenziweni. Isicelo selungelo lobunikazi safakwa ngo-Agasti 30, 1924, futhi sasingavunyelwe kuze kube nguFebhuwari 2, 1932.. Ngemuva kokuthi imodeli iqhubeke ngokuthengiswa kwezentengiso ngo-1927, yathola ukuthandwa okusabalele.
Kusukela ukusungulwa kwesitimela esizisebenzelayo, sekudlule izigaba ezintathu zokuxhuma kwezobuchwepheshe: (Izikhathi zobuchwepheshe ezi-3 kuze kube manje)
1 Ukuthuthukiswa kwemishini ngumshini wezikhundla
Emlandweni omude kusukela ngo-1925 kuya ku-1985, umshini wokwenza izinto ngomugqa webhodlela wawungumshini omkhulu embonini yokwenza ebhodleleni. Kungumshini we-mechanic Drum / pneumatic cylinder drive (isigubhu / ukunyakaza kwe-pneumatic).
Lapho isigubhu semishini sifaniswa, njengoba isigubhu sijikeleza inkinobho ye-valve esidlekeni sivule ukuvulwa nokuvalwa kwe-valve ku-mechanical valve block, kanye nomoya ocindezelwe ushayela isilinda (isilinda) sokuphindisela. Yenza isenzo siqedwe ngokuya ngenqubo yokwakha.
2 1980-2016 Amanje (namuhla), isigaba sesikhathi se-elekthronikhi esigameko se-AIS (Isimo ngakunye), ukulawulwa kwesikhathi se-elekthronikhi / i-pneumatic cylinder drive (Ukulawulwa kukagesi / ukunyakaza kwe-pneumatic) kwasungulwa ngokushesha.
Isebenzisa ubuchwepheshe be-microelectronic ukulawula izenzo ezakhayo ezifana nokwenza ibhodlela nesikhathi. Okokuqala, isinali kagesi silawula i-solenoid valve (solenoid) ukuthola isenzo sikagesi, futhi inani elincane lomoya elicindezelwe lidlula ngokuvulwa nokuvalwa kwe-solenoid valve, futhi lisebenzisa leli gesi ukulawula i-sleeve valve (cartridge). Bese ulawula ukunyakaza kwe-telescopic kwesilinda sokushayela. Okungukuthi, okuthiwa ugesi ulawula umoya oqinile, futhi umoya oqinile ulawula umkhathi. Njengolwazi lukagesi, isiginali kagesi ingakopishwa, igcinwe, ihlanganiswe futhi yashintshaniswa. Ngakho-ke, ukubukeka komshini wesikhathi se-elekthronikhi ais alethe uchungechunge lwezinto ezintsha emshinini wokwenza ibhodlela.
Njengamanje, ibhodlela lengilazi eminingi futhi amafektri asekhaya nakwamanye amazwe asebenzisa lolu hlobo lomshini wokwenza ibhodlela.
3 2010-2016, umshini womugqa ogcwele we-servo I-Servo Motors isetshenziswe emishini yokwenza ebhodleleni kusukela ngo-2000. Baqale basetshenziswe ekuvulekeni nasekuvulekeni kwamabhodlela emshinini wokwenza ibhodlela. Umgomo ukuthi isibonakaliso se-microelectronic sikhulisiwe yisifunda sokulawula ngokuqondile nokushayela isenzo semoto ye-servo motor.
Njengoba i-servo motor ayinayo idrayivu ye-pneumatic, inezinzuzo zokusetshenziswa kwamandla okuphansi, akukho msindo nokulawulwa okulula. Manje sekwenziwe ngomshini ophelele owenza ibhodlela ebhodlele. Kodwa-ke, ngokubheka iqiniso lokuthi awekho amafektri amaningi asebenzisa imishini yokwenza ibhodlela egcwele eChina, ngizokwethula okulandelayo ngolwazi lwami olujulile:
Umlando Nentuthuko YeSerso Motors
Maphakathi no-1980s kuze kube sekwedlule, izinkampani ezinkulu emhlabeni zazinohlu oluphelele lwemikhiqizo. Ngakho-ke, i-servo motor yakhushulwa ngamandla, futhi kunemikhakha eminingi kakhulu yohlelo lokusebenza lwe-servo motor. Uma nje kunomthombo wamandla, futhi kunesidingo sokunemba, ngokujwayelekile kungahilela imoto ye-servo motor. Njengamathuluzi ahlukahlukene womshini wokucubungula, imishini yokuphrinta, imishini yokufaka, imishini yendwangu, imishini yokusebenza ye-laser, amarobhothi, imigqa ekhiqizwayo ehambisanayo nokunye. Izinsizakusebenza ezidinga ukunemba kwenqubo ephezulu, ukucubungula ukusebenza kahle kanye nokwethenjwa komsebenzi kungasetshenziswa. Eminyakeni engamashumi amabili edlule, izinkampani zokukhiqiza zebhodlela lakwamanye amazwe nazo zamukela ama-servo motors emishini yokwenza ebhodleleni, futhi asetshenziswe ngempumelelo kulayini wangempela wokukhiqiza amabhodlela ezingilazi. Isibonelo.
Ukwakheka kwemoto ye-servo
Umshayeli
Inhloso yokusebenza ye-sevO drive isuka ikakhulu kwimiyalo (P, V, t) ekhishwe ngumlawuli ongaphezulu.
Imoto ye-servo kumele ibe nomshayeli wokujikeleza. Ngokuvamile, sibiza i-servo motor kufaka phakathi umshayeli wayo. Siqukethe imoto ye-servo efaniswe nomshayeli. Indlela yokulawula yokulawula umshayeli we-ac ac motor ihlukaniswe ngezindlela ezintathu zokulawula: isikhundla se-servo (PO command), isivinini se-servo (v command), ne-torque servo (t command). Izindlela ezivame ukulawulwa ziyisikhundla se-servo ne-serv servorto motor
Isitebhisi ne-rotor yemoto ye-servo ahlanganiswa ngama-magnets noma amakhoyili ayinhloko e-iron. Ama-magnets anaphakade akhiqiza amandla kazibuthe futhi amakhoyili e-Iron Core nawo azokhiqiza amandla kazibuthe ngemuva kokunika amandla. Ukuxhumana phakathi kwenkambu kazibuthe yeStator kanye ne-rotor kazibuthe kukhiqiza i-torque futhi ijikeleze ukushayela umthwalo, ukuze idlulise amandla kagesi ngendlela kazibuthe. Kuguqulwe kube amandla emishini, i-servo motor ijikeleze lapho kunokufakwa kwesiginali yokulawula, futhi iyema lapho kungekho kokufakwa kwesiginali. Ngokushintsha isiginali yokulawula kanye nesigaba (noma amapholavu), ijubane nokuqondisa kwe-servo motor kungashintshwa. I-rotor ngaphakathi kwe-servo motor inguzibuthe ongapheli. Ugesi wesigaba sesigaba esithathu esilawulwa ngumshayeli wenza insimu ye-electromagnetic, futhi i-rotor ijikeleze ngaphansi kwesenzo saleli moto esiza ngayo ne-motor ithunyelwa kumshayeli, futhi umshayeli uqhathanisa inani lempendulo ngenani eliqondisiwe Ukunemba kwemoto ye-servo kunqunywa ngokunemba kwe-encoder (inombolo yemigqa)
Ukuhlanganisa
Ngenhloso ye-servo, i-encomer ifakwe ngokuphuma emotweni. Imoto kanye ne-encoder ijikeleze ngokuvumelanayo, futhi i-encoder nayo iyajikeleza kanye lapho imoto ijikeleza. Ngaso leso sikhathi sokujikeleza, isibonakaliso sokukhanga sibuyiselwa kumshayeli, futhi umshayeli wahlulela ukuthi ngabe umkhombandlela, ijubane, isikhundla, njll. I-servo motor ilungile ngokwesiginali ye-servo motor, ifakwe ngaphakathi kwe-servo motor
Uhlelo lwe-servo luhlelo lokulawula okuzenzakalelayo oluvumela ukuthi imiphumela elawulwa inqwaba efana nesikhundla, ukuqondiswa, kanye nesimo sento ukulandela izinguquko zokuphikisana zethagethi yokufaka (noma inani elinikezwe). Ukulandelela kwayo kwe-servo kuncike kakhulu kuma-pulses wokubeka isikhundla, okungaqondakala ngokuyisisekelo ngale ndlela: ngakho-ke i-servo motor izojikeleza i-engela, ngoba inamandla okuthumela i-engela, ngakho-ke inekhono lokuthumela i-motor, lizothumela inani elihambisanayo lama-pulses, azothumela ama-pulses ahambisanayo Ama-pulses atholwe ngemoto ye-servo, futhi ahwebithe ulwazi nedatha, noma i-loop evaliwe. Mangaki ama-pulses emoto ye-servo, futhi mangaki ama-pulses ngasikhathi sinye, ukuze ukujikeleza kwemoto kungalawulwa ngokunembile, ukuze kufinyeleleke ukuma okuqondile. Ngemuva kwalokho, izojikeleza isikhashana ngenxa ye-inertia yayo, bese iyama. I-servo motor ukuyeka lapho ime khona, futhi uhambe lapho kuthiwa yihamba, futhi impendulo ishesha kakhulu, futhi akukho ukulahleka kwesinyathelo. Ukunemba kwayo kungafinyelela ku-0.001 mm. Ngasikhathi sinye, isikhathi sokuphendula esinamandla sokubhekisisa nokukhohlisa kwe-servo motor sifushane kakhulu, ngokuvamile ngaphakathi kwamashumi ama-milloonds aphakathi nendawo yokulawula kanye ne-servo motor (kuthunyelwe kusuka ku-servo motor, kanye nemininingwane ephakathi kwazo yakha i-loop evaliwe. Ngakho-ke, ukunemba kwayo kokuvumelanisa kwayo kuphakeme kakhulu
Isikhathi sePosi: Mar-14-2022