Los ntawm cov kev xav ib txwm muaj, lub tog raj kheej thiab hluav taws xob actuators yeej ib txwm raug suav tias yog cov khoom siv hluav taws xob uas muaj nyob rau hauv ob qho tib si sib txawv, tab sis nyob rau hauv xyoo tas los no, nrog kev txhim kho txuas ntxiv ntawm qib hluav taws xob, hluav taws xob actuators maj mam muab tso rau hauv thaj chaw pneumatic. . Cov ntawv thov yog ob qho tib si sib tw thiab ua tiav. Hauv kab ntawv no, peb yuav sib piv qhov zoo ntawm lub tog raj kheej thiab hluav taws xob actuators nyob rau hauv cov nqe lus ntawm kev ua tau zoo, kev yuav khoom thiab cov nqi siv, kev siv hluav taws xob, kev siv thiab kev ua lag luam.
Kev ua tau zoo
Raws li peb txhua tus paub, piv rau cov hluav taws xob actuators, lub tog raj kheej tuaj yeem ua haujlwm ruaj khov hauv cov xwm txheej hnyav, yooj yim rau kev khiav lag luam, thiab hauv paus txij nkawm- dawb. Lub tog raj kheej yog zoo ntawm reciprocating linear motion, tshwj xeeb tshaj yog haum rau cov feem ntau conveying yuav tsum tau nyob rau hauv industrial automation - linear tuav ntawm workpieces. Ntxiv mus, kev tswj ceev ruaj khov tuaj yeem ua tiav tau yooj yim los ntawm kev kho ib qho - txoj kev throttle li qub ntsia ntawm ob sab ntawm lub tog raj kheej, uas tau dhau los ua qhov loj tshaj plaws thiab zoo dua ntawm lub tog raj kheej tsav. Yog li ntawd, rau cov neeg siv uas tsis muaj ntau- taw tes rau qhov yuav tsum tau ua, feem ntau ntawm lawv nyiam siv lub tog raj kheej los ntawm qhov kev xav ntawm kev siv yooj yim. Tam sim no, feem ntau ntawm cov kev siv hluav taws xob actuators siv nyob rau hauv kev lag luam teb xav tau siab -precision multi-point positioning. Qhov no yog vim nws nyuaj rau kev ua tiav nrog lub tog raj kheej cua, thiab qhov tshwm sim yog qhov thib ob zoo tshaj plaws.
Cov hluav taws xob actuator feem ntau yog siv rau kev sib hloov thiab viav vias. Nws qhov zoo yog lub sij hawm teb ceev thiab meej tswj kev ceev, txoj hauj lwm thiab lub zog los ntawm kev tawm tswv yim. Txawm li cas los xij, thaum txoj kev tawm suab yuav tsum ua kom tiav, nws yuav tsum tau hloov dua siab tshiab los ntawm cov khoom siv kho tshuab xws li cov hniav siv los yog cov ntsia hlau ntsia hlau. Yog li ntawd, cov qauv yog qhov nyuaj, thiab kev paub txog kev ua haujlwm ntawm ib puag ncig thiab kev ua haujlwm thiab kev saib xyuas cov neeg ua haujlwm yog qhov siab.
Qhov zoo
(1) Cov kev cai rau cov neeg siv khoom tsawg. Lub hauv paus ntsiab lus thiab cov qauv ntawm lub tog raj kheej yog yooj yim, yooj yim rau nruab thiab tswj, thiab cov kev xav tau rau cov neeg siv tsis siab. Lub tog raj kheej hluav taws xob txawv, engineers yuav tsum muaj qee yam kev paub txog hluav taws xob, txwv tsis pub nws yuav raug puas tsuaj vim kev ua haujlwm tsis raug.
(2) Lub zog tso zis yog loj. Cov zis quab yuam ntawm lub tog raj kheej yog proportional rau lub square ntawm lub tog raj kheej txoj kab uas hla; thaum lub zog tso zis ntawm lub tog raj kheej hluav taws xob muaj feem xyuam rau peb yam, lub tog raj kheej txoj kab uas hla, lub zog ntawm lub cev muaj zog thiab lub suab ntawm cov hlau lead. Qhov loj ntawm lub tog raj kheej txoj kab uas hla thiab lub hwj chim, thiab lub suab me me, lub zog tso zis ntau dua. Ib lub tog raj kheej nrog lub tog raj kheej txoj kab uas hla ntawm 50 hli tuaj yeem ua raws li qhov xav tau ntawm lub zog ntawm 2000N. Rau lub tog raj kheej hluav taws xob nrog tib lub tog raj kheej txoj kab uas hla, txawm hais tias cov khoom ntawm cov tuam txhab sib txawv txawv, lawv yeej tsis tshaj 1000N. Obviously, lub tog raj kheej muaj ntau qhov zoo nyob rau hauv cov nqe lus ntawm cov zis quab yuam.
(3) Muaj zog adaptability. Lub tog raj kheej tuaj yeem ua haujlwm ib txwm nyob rau hauv qhov kub thiab txias ib puag ncig thiab muaj peev xwm ntawm plua plav thiab dej tsis zoo, thiab tuaj yeem hloov mus rau ntau qhov chaw hnyav. Lub tog raj kheej hluav taws xob muaj qhov xav tau siab ntawm ib puag ncig thiab kev hloov pauv tsis zoo vim muaj cov khoom siv hluav taws xob ntau.
Qhov zoo ntawm lub tog raj kheej hluav taws xob yog feem ntau cuam tshuam hauv peb yam hauv qab no:
(1) Lub kaw lus muaj pes tsawg leeg yog yooj yim heev. Txij li thaum lub cev muaj zog feem ntau yog ua ke nrog lub tog raj kheej thaiv, ntxiv rau cov maub los thiab cables, tag nrho cov txheej txheem ntawm lub tog raj kheej hluav taws xob yog tsim los ntawm peb qhov chaw, uas yooj yim thiab compact.
(2) The number of stopping positions is large and the control accuracy is high. Generally, electric cylinders are divided into low-end and high-end. The stop positions of low-end products are 3, 5, 16, 64, etc., which vary according to different companies; high-end products can reach hundreds or even thousands of positions. . In terms of accuracy, the electric cylinder also has absolute advantages, and the positioning accuracy can reach ¡ 0.05mm, so it is often used in precision industries such as electronics and semiconductors.
(3) Muaj zog yoog raws. Tsis muaj qhov tsis ntseeg tias qhov hloov pauv ntawm lub tog raj kheej hluav taws xob yog qhov muaj zog dua li ntawm lub tog raj kheej. Txij li thaum tus maub los tuaj yeem txuas ncaj qha nrog PLC, nws tuaj yeem tswj tau qhov kev sib hloov ceev, qhov chaw thiab rau pem hauv ntej thiab thim rov qab ntawm lub cev muaj zog. Rau qee qhov, lub tog raj kheej hluav taws xob tuaj yeem txav tau raws li qhov xav tau; vim lub compressibility ntawm cov pa roj thiab lub inertia, txawm tias kev sib koom tes ntawm reversing valve thiab magnetic hloov yog zoo, qhov tseeb positioning ntawm lub tog raj kheej yuav ua tsis tau tiav, thiab qhov yooj yog tawm ntawm lo lus nug.
Hais txog kev ua tau zoo, kuv ntseeg tias hluav taws xob thiab pneumatic muaj lawv tus kheej zoo. Ua ntej tshaj plaws, qhov zoo ntawm hluav taws xob actuators feem ntau suav nrog:
(1) Compact qauv thiab me me. Piv nrog pneumatic actuators, hluav taws xob actuators yog qhov yooj yim hauv cov qauv. Lub tshuab hluav taws xob yooj yim suav nrog cov actuators, peb - txoj haujlwm DPDT keyboards, fuses thiab qee cov xov hlau, uas yooj yim rau kev sib sau.
(2) Lub zog tsav ntawm lub tshuab hluav taws xob yog hloov tau yooj yim. Feem ntau, nyob rau hauv - lub rooj tsavxwm fais fab tuaj yeem ua tau raws li qhov xav tau, thaum lub tshuab pneumatic xav tau lub tshuab cua thiab lub tshuab tsav compression.
(3) Electric actuators have no danger of "air leakage" and are highly reliable, while the compressibility of air makes pneumatic actuators slightly less stable.
(4) Tsis tas yuav tsum tau nruab thiab tswj ntau yam pneumatic pipelines.
(5) Lub load tuaj yeem tswj tau yam tsis muaj lub zog, thaum lub pneumatic actuator xav tau lub zog txuas ntxiv.
(6) Lub tshuab hluav taws xob hluav taws xob yog ntsiag to vim tsis muaj cov cuab yeej siv siab ntxiv. Feem ntau, yog hais tias lub pneumatic actuator nyob rau hauv hnyav load, ib tug silencer yuav tsum tau ntsia.
(7) Hluav taws xob actuators yog qhov zoo tshaj hauv kev tswj qhov tseeb.
(8) Hauv cov khoom siv pneumatic, feem ntau nws yog qhov tsim nyog los hloov cov teeb liab hluav taws xob rau hauv cov pa hluav taws xob, thiab tom qab ntawd mus rau hauv cov teeb liab hluav taws xob. Kev sib kis ceev yog qeeb, thiab nws tsis haum rau cov kab sib txuas uas muaj ntau yam khoom siv.
Qhov zoo ntawm lub tog raj kheej nyob rau hauv plaub yam hauv qab no:
(1) Lub load yog loj thiab tuaj yeem hloov mus rau daim ntawv thov ntawm cov zis siab zog (txawm li cas los xij, lub tshuab hluav taws xob tam sim no tau maj mam mus txog qib pneumatic load tam sim no).
(2) Kev ua nrawm nrawm thiab teb sai.
(3) Kev hloov pauv tau zoo rau kev ua haujlwm ib puag ncig, tshwj xeeb tshaj yog nyob rau hauv qhov chaw ua haujlwm hnyav xws li nplaim taws, tawg, plua plav, muaj zog hlau nplaum, hluav taws xob thiab kev co, nws zoo dua rau hydraulic, hluav taws xob thiab hluav taws xob tswj.
(4) Lub cev muaj zog tau yooj yim puas thaum lub stroke raug thaiv los yog lub valve qia yog khi.
Yuav thiab siv cov nqi sib piv
Feem ntau hais lus, hluav taws xob servo drives kim dua pneumatic servo drives, tab sis lawv kuj nyob ntawm cov kev cai tshwj xeeb thiab lub sijhawm. Qee qhov qis- lub zog DC lub cev muaj zog ua rau lub tshuab hluav taws xob (hluav taws xob servo system) uas yog qhov pheej yig dua li lub tshuab pneumatic servo.
For example: when the load is 1.5kg, the working stroke is 80mm, the speed is between 2170mm/s, and the accuracy is ¡ 0.1mm, acceleration 2.5m/s2 and other working conditions, FESTO company adopts electric servo system composed of small electric sliding table, controller, motor cable, control cable, programming cable and power cable, etc., its price is higher than pneumatic servo system. 25 percent cheaper. The same is true for electric cylinders with piston rod. It should be noted that if an AC motor is used, the price of the formed electric servo system is about 40 percent higher than that of the pneumatic servo system.
Los ntawm kev xav ntawm kev yuav khoom thiab daim ntawv thov cov nqi, lub tog raj kheej tam sim no tseem muaj qhov pom tseeb zoo. Rau lub pneumatic system, lub kaw lus tswj thiab lub actuator yog yooj yim heev. Txhua lub tog raj kheej tsuas yog yuav tsum tau nruab nrog lub solenoid valve kom ua tiav qhov kev hloov pauv ntawm cov roj hluav taws xob thiab ua haujlwm tswj kev txav. Qhov tshwm sim ntawm lub tog raj kheej tsis ua haujlwm yog qhov me me, kev saib xyuas yooj yim thiab yooj yim, thiab tus nqi kuj tsawg.
Rau cov hluav taws xob actuators, txawm hais tias kev nrhiav tau ntawm hluav taws xob hluav taws xob yog qhov yooj yim thiab tus nqi hluav taws xob tsawg, kev yuav khoom thiab cov nqi siv hluav taws xob kuj tseem siab. Nyob rau tib lub sijhawm, kev siv hluav taws xob actuators yuav tsum muaj ntau yam kev tiv thaiv. Kev sib txuas hauv Circuit Court tsis raug, kev hloov pauv ntawm qhov hluav taws xob thiab kev thauj khoom ntau dhau yuav ua rau muaj kev puas tsuaj rau lub tshuab hluav taws xob. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum tau nruab ib qho kev tiv thaiv kev tiv thaiv ntawm lub Circuit Court thiab cov tshuab, uas ua rau muaj kev siv nyiaj ntau ntxiv. Tsis tas li ntawd, vim hais tias lub tshuab hluav taws xob actuator tsav tsheb muaj ntau qhov kev teeb tsa thiab kev sib koom ua ke siab, thaum nws ua tsis tiav, tag nrho cov khoom yuav tsum tau hloov. Thiab thaum lub zog tsav tsheb xav tau los ntawm lub kaw lus nce, cov txheej txheem hloov pauv tuaj yeem ua tiav. Yog li ntawd, nws tuaj yeem pom los ntawm kev sib piv dav dav tias lub tog raj kheej muaj qhov zoo dua ntawm kev yuav khoom thiab cov nqi tu.
Kev sib piv zog Efficiency
Cov txiaj ntsig ntawm peb txoj kev tshawb fawb qhia tau hais tias nyob rau hauv kab rov tav reciprocating tsab ntawv tsa suab nrog lub sij hawm luv luv reciprocating (tsawg dua 1 min), kev siv hluav taws xob siv hluav taws xob feem ntau qis dua li ntawm lub tog raj kheej, uas yog, nws muaj zog ntau dua. Thaum lub sij hawm reciprocating ntev dua (ntau dua 1min), lub tog raj kheej ua kom muaj zog ntau dua -ntau. Qhov no yog thawj zaug vim hais tias tus maub los ntawm lub tshuab hluav taws xob feem ntau siv li 10W ntawm hluav taws xob thaum lub davhlau ya nyob twg nres, thaum lub tog raj kheej tsuas yog siv hluav taws xob los ntawm lub solenoid valve thiab cov roj to, uas feem ntau qis dua 1W, uas yog, lub davhlau ya nyob twg ntev dua. , qhov zoo dua rau lub tog raj kheej; Thib ob, qhov ntsuas kev ua tau zoo ntawm lub cev muaj zog nyob rau hauv cov xwm txheej ntawm kev sib hloov tas mus li tuaj yeem ncav cuag ntau dua 90 feem pua, tab sis qhov kev ua haujlwm nruab nrab ntawm cov lus -zoo li acceleration thiab deceleration nyob rau hauv cov kab rov tav reciprocating motion (ntsia hlau conversion) tsawg dua. tshaj 50 feem pua. Thaum lub sij hawm ntsug reciprocating tsab ntawv tsa suab, tuav qhov kev txiav txim ntawm clamping lub workpiece yuav tsum tsis tu ncua muab tam sim no mus rau lub hluav taws xob actuator kom kov yeej lub ntiajteb txawj nqus, thiab lub tog raj kheej tsuas yog yuav tsum tau kaw lub solenoid valve, uas siv tsawg electrode. Yog li ntawd, lub zog noj kom zoo dua ntawm cov hluav taws xob actuator piv nrog lub tog raj kheej tsis loj heev thaum lub sij hawm ntsug reciprocating motion.
Nws tuaj yeem pom los ntawm cov saum toj no tias qhov ua tau zoo ntawm lub cev muaj zog nws tus kheej yog siab heev, tab sis xav txog nws qhov kev ua haujlwm poob thiab lub zog siv ntawm tus maub los nyob rau hauv reciprocating linear motion, hluav taws xob actuator yuav tsis tas yuav muaj zog ntau dua - muaj txiaj ntsig zoo dua li lub tog raj kheej, thiab qhov kev sib piv tshwj xeeb yog nyob ntawm qhov ua haujlwm tiag tiag, uas yog, kev taw qhia kev teeb tsa, rov ua dua lub voj voog thiab kev thauj khoom, thiab lwm yam.
Kev sib piv ntawm daim ntawv thov
Pneumatic and electric systems are not mutually exclusive. Rather, it's just a matter of asking for something different. The advantages of pneumatic drives are obvious. When faced with harsh environmental conditions such as dust, grease, water or cleaning agents, pneumatic drives are more suitable for harsh environments and are very durable. Pneumatic drives are easy to install, provide typical gripping functions, are inexpensive and easy to operate.
Hluav taws xob tsav nrog servo motors muaj qhov zoo nyob rau hauv cov xwm txheej uas cov rog tau nce sai thiab yuav tsum tau muab tso rau qhov tseeb. Cov hluav taws xob tsav yog qhov kev xaiv zoo tshaj plaws rau cov ntawv thov uas xav tau kev ua haujlwm zoo, synchronous, kho tau thiab teev qhov chaw ua haujlwm. Cov tshuab hluav taws xob muaj xws li servo lossis stepper motors nrog kaw -loop positioning controllers tuaj yeem ua tiav qhov tsis txaus ntawm cov tshuab pneumatic. qhov chaw.
Los ntawm kev xav txog kev siv tshuab thiab kev siv tus nqi, lub tog raj kheej muaj qhov pom tseeb zoo, tab sis cov cuab yeej siv twg yuav tsum tau siv rau kev tsav tsheb hauv kev siv tiag tiag yuav tsum tau txiav txim siab los ntawm ntau yam. Ntau lub tshuab hauv kev tswj xyuas niaj hnub no tau dhau los ua ntau thiab ntau dua, thiab nws tsis yog ib qho kev tswj hwm kev tsav tsheb nkaus xwb uas tuaj yeem txaus siab rau ntau yam kev tswj hwm ntawm lub system. Lub tog raj kheej tuaj yeem paub qhov nrawm nrawm nrawm, qauv yooj yim, kev saib xyuas yooj yim, thiab tuaj yeem siv rau ntau qhov chaw ua haujlwm hnyav, xws li tawg- cov ntaub ntawv pov thawj, plua plav lossis av ntub dej ua haujlwm.
Hluav taws xob actuators feem ntau yog siv rau hauv cov ntawv thov uas xav tau kev tswj xyuas meej. Tam sim no cov kev xav tau yooj yim hauv cov khoom siv automation tau txhim kho tas li. Tib cov cuab yeej feem ntau yuav tsum tau ua kom tau raws li cov kev xav tau ntawm cov khoom ua haujlwm ntawm ntau qhov sib txawv. Tus actuator yuav tsum tau ua ntau -point positioning tswj, thiab tus actuator yuav tsum tau tswj. Kev khiav ceev thiab lub zog tuaj yeem tswj tau los yog synchronously taug qab, uas tsis tuaj yeem ua tiav los ntawm kev tswj pneumatic, thiab hluav taws xob actuators tuaj yeem ua tiav cov kev tswj tau yooj yim. Nws tuaj yeem pom tias lub tog raj kheej yog qhov tsim nyog rau kev tswj cov lus tsa suab yooj yim, thaum lub tshuab hluav taws xob feem ntau yog siv rau kev tswj cov lus tsa suab.
kev ua lag luam kev sib piv
Lub tog raj kheej-tsav tshuab tau txais txiaj ntsig sai hauv kev lag luam automation txij li xyoo 1970. Niaj hnub no, lub tog raj kheej tau dhau los ua lub hauv paus actuator rau PTP (PointToPoint) tuav hauv kev lag luam kev lag luam hauv tsev thiab txawv teb chaws, thiab kev lag luam loj ntawm cov khoom siv pneumatic nyob rau hauv lub tog raj kheej tsav system tau mus txog 11 billion US dollars.
Txij li thaum xyoo 1990, txoj kev loj hlob sai ntawm cov motors thiab lawv cov tshuab microelectronic tswj tau ua rau daim ntawv thov hluav taws xob actuators hauv kev lag luam automation tau. Ntxiv mus, qhov nce ntawm kev lag luam semiconductor tau ncaj qha txhawb kev nthuav dav ntawm daim ntawv thov ntawm cov hluav taws xob actuators uas tuaj yeem paub qhov siab -precision multi-point positioning nyob rau hauv kev lag luam teb.
Thaum xyoo 1990s, Nyiv thiab lwm lub tebchaws muaj kev lag luam loj txawm tias ib zaug tau tshwm sim tias cov hluav taws xob hluav taws xob tau tab tom yuav hloov lub tog raj kheej cua thiab lub tog raj kheej cua yuav thim tawm ntawm theem ntawm keeb kwm. Vim hais tias nws yog feem ntau ntseeg hais tias lub zog conversion efficiency ntawm lub cev muaj zog nyob rau hauv lub hluav taws xob actuator yog siab, thiab lub zog conversion efficiency ntawm lub tog raj kheej yog tsawg, cov khoom uas tsis muaj nqi yuav raug tshem tawm. Txawm li cas los xij, kaum xyoo tom qab, hluav taws xob actuators tsis tau nrov hauv cov chaw lag luam, thiab lawv cov lag luam loj tseem nyob deb ntawm pneumatics. Ntxiv mus, ob qho tib si nyob rau hauv industrially tsim lub teb chaws thiab nyob rau hauv tshiab industrialized lub teb chaws xws li Tuam Tshoj, kev muag khoom ntawm lub tog raj kheej tsis tau tsuas yog txo, tab sis kuj tau loj hlob tsis tu ncua. Hauv Suav teb, kev loj hlob txhua xyoo ntawm kev muag khoom lub tog raj kheej tau khaws cia ntawm ntau dua 20 feem pua hauv xyoo tas los.
Yog tias tsim nyog rau kev tshawb fawb thiab kev soj ntsuam ob qho tib si, txoj kev ntsuas LifeCycleAssessment yuav tsum tau txais, thiab cov kev qhia dav dav ntawm peb theem ntawm kev tsim khoom, siv thiab pov tseg yuav tsum muab piv rau. Cov cim qhia tshwj xeeb suav nrog tus nqi, kev siv hluav taws xob, thiab lub nra ntawm ib puag ncig (feem ntau yog emissions, thiab lwm yam). Piv txwv li, tus nqi, hluav taws xob actuators muaj qhov zoo ntawm kev siv hluav taws xob siv hluav taws xob (siv theem) tus nqi, tab sis tus nqi tu (siv theem) thiab tus nqi tau txais (theem tsim khoom) yog ntau dua li cov thooj voos kheej kheej, qhov sib piv ntawm qhov ntsuas no yuav tsum yog raws li cov lej. ntawm tag nrho cov nqi.
Nyob rau hauv cov nqe lus ntawm tag nrho cov nqi, peb qhov kev tshawb pom qhia tau hais tias lub tog raj kheej cua muaj tej yam zoo nyob rau hauv feem ntau cov kev siv.
Raws li kev soj ntsuam saum toj no, peb yuav tsum pom tias lub tog raj kheej thiab lub tshuab hluav taws xob muaj lawv tus kheej cov yam ntxwv, thiab lawv qhov zoo thiab qhov tsis zoo tsis tuaj yeem ntsuas tau yooj yim los ntawm theem ntawm kev ua haujlwm. Nrog rau kev tsim hluav taws xob thev naus laus zis, tus nqi hluav taws xob hluav taws xob yuav raug txo qis ntxiv, thiab nws daim ntawv thov kev lag luam yuav tsum tau nthuav dav ntxiv, tab sis nws tsis muaj tseeb los hloov lub tog raj kheej nrog tus kheej -priming thiab tsis yog{{1 }} clogging cov twj tso kua mis.
From the perspective of the market form, it has been mentioned earlier that if the electric cylinder is produced with reference to the shape and installation connection dimensions of the cylinder from the beginning, it is a good start. For rodless cylinders and pneumatic slides that do not have ISO standards at present, the corresponding shapes and installation connection dimensions are also adopted. This convenient measure can eliminate unnecessary competition between pneumatic drives and electric drives in terms of installation, addition or replacement. . FESTO's electric drive products include more than 300 freely combinable handling modules and multi-axis systems. At Festo, electric drives are not a competitor to pneumatic drives, but a perfect complement to the performance of pneumatic drives. Electric drives are characterized by precision and flexibility. Electric drives are the ideal solution for non-clogging self-priming sewage pumps in applications where forces are rapidly dissipated and precise positioning is required.
Yog li ntawd, txoj kev loj hlob ntawm lub tog raj kheej thiab hluav taws xob actuators yuav tsum nyob rau hauv ib tug heev benign lub xeev thiab complementary nyob rau hauv lub neej yav tom ntej, thiab lawv yeej yuav tsim nyob rau hauv raws li lub ntuj txoj cai ntawm kev loj hlob ntawm kev tshawb fawb ntawm ob technologies.
