Kev xaiv lub platform txav mus los raws li granite uas tsim nyog tshaj plaws rau ib daim ntawv thov nyob ntawm ntau yam thiab ntau yam. Nws yog ib qho tseem ceeb kom paub tias txhua daim ntawv thov muaj nws cov kev cai tshwj xeeb uas yuav tsum nkag siab thiab txiav txim siab ua ntej kom nrhiav tau qhov kev daws teeb meem zoo hauv kev siv lub platform txav mus los.
Ib qho ntawm cov kev daws teeb meem uas siv tau ntau tshaj plaws yog kev teeb tsa cov theem sib cais rau ntawm cov qauv granite. Lwm qhov kev daws teeb meem uas siv ntau yog kev sib xyaw cov khoom uas muaj cov axes ntawm kev txav mus los ncaj qha rau hauv granite nws tus kheej. Kev xaiv ntawm theem-rau-granite thiab kev sib xyaw-granite txav (IGM) platform yog ib qho ntawm cov kev txiav txim siab ua ntej uas yuav tsum tau ua hauv cov txheej txheem xaiv. Muaj qhov sib txawv meej ntawm ob hom kev daws teeb meem, thiab ntawm chav kawm txhua tus muaj nws tus kheej qhov zoo - thiab cov lus ceeb toom - uas yuav tsum tau nkag siab zoo thiab xav txog.
Yuav kom muaj kev nkag siab zoo dua txog cov txheej txheem txiav txim siab no, peb soj ntsuam qhov sib txawv ntawm ob qho kev tsim qauv platform linear motion - ib qho kev daws teeb meem ib txwm muaj ntawm theem granite, thiab ib qho kev daws teeb meem IGM - los ntawm ob qho kev xam pom txog kev siv tshuab thiab kev nyiaj txiag hauv daim ntawv ntawm kev kawm txog cov txheej txheem kho tshuab.
Keeb Kwm
Txhawm rau tshawb nrhiav qhov zoo sib xws thiab qhov sib txawv ntawm IGM systems thiab cov stage-on-granite systems ib txwm muaj, peb tau tsim ob qho qauv tsim qauv sim:
- Kev coj ua txhua yam, theem-rau-granite
- Cov kabmob kho tshuab, IGM
Hauv ob qho tib si, txhua lub kaw lus muaj peb txoj kab ntawm kev txav mus los. Lub Y axis muab 1000 hli ntawm kev mus ncig thiab nyob rau ntawm lub hauv paus ntawm cov qauv granite. Lub X axis, nyob rau ntawm tus choj ntawm lub rooj sib dhos nrog 400 hli ntawm kev mus ncig, nqa lub Z-axis ntsug nrog 100 hli ntawm kev mus ncig. Qhov kev npaj no yog sawv cev los ntawm daim duab.
Rau qhov tsim theem-rau-granite, peb tau xaiv PRO560LM lub cev dav dav rau Y axis vim nws muaj peev xwm nqa khoom loj dua, uas feem ntau siv rau ntau daim ntawv thov kev txav mus los siv qhov kev npaj "Y/XZ split-bridge". Rau X axis, peb tau xaiv PRO280LM, uas feem ntau siv ua tus choj axis hauv ntau daim ntawv thov. PRO280LM muab kev sib npaug ntawm nws qhov chaw thiab nws lub peev xwm los nqa Z axis nrog cov khoom thauj khoom ntawm cov neeg siv khoom.
Rau cov qauv tsim IGM, peb tau ua raws li cov tswv yim tsim qauv tseem ceeb thiab cov qauv ntawm cov axes saum toj no, nrog rau qhov sib txawv tseem ceeb yog tias cov axes IGM tau tsim ncaj qha rau hauv cov qauv granite, thiab yog li ntawd tsis muaj cov hauv paus machined-component uas muaj nyob rau hauv cov qauv tsim theem-rau-granite.
Feem ntau hauv ob qho qauv tsim yog Z axis, uas tau xaiv los ua PRO190SL lub pob ntsia hlau-tsav theem. Qhov no yog ib qho axis nrov heev rau siv rau hauv kev taw qhia ntsug ntawm tus choj vim nws muaj peev xwm thauj khoom ntau thiab cov qauv me me.
Daim Duab 2 qhia txog cov txheej txheem stage-on-granite thiab IGM tshwj xeeb uas tau kawm.
Kev Sib Piv Txog Kev Siv Tshuab
Cov txheej txheem IGM yog tsim los ntawm kev siv ntau yam txheej txheem thiab cov khoom sib xws uas zoo ib yam li cov uas pom muaj nyob rau hauv cov qauv tsim theem-rau-granite ib txwm muaj. Yog li ntawd, muaj ntau yam khoom siv sib xws ntawm IGM cov txheej txheem thiab theem-rau-granite cov txheej txheem. Ntawm qhov tod tes, kev koom ua ke ntawm cov axes ntawm kev txav mus los ncaj qha rau hauv cov qauv granite muaj ntau yam ntxwv sib txawv uas sib txawv IGM cov txheej txheem los ntawm theem-rau-granite cov txheej txheem.
Daim Ntawv Qhia
Tej zaum qhov zoo sib xws tshaj plaws pib nrog lub hauv paus ntawm lub tshuab - lub granite. Txawm hais tias muaj qhov sib txawv ntawm cov yam ntxwv thiab kev kam rau siab ntawm theem-rau-granite thiab IGM tsim, qhov loj me ntawm lub hauv paus granite, risers thiab choj yog sib npaug. Qhov no yog vim qhov kev mus ncig nominal thiab txwv tsis pub dhau yog zoo ib yam ntawm theem-rau-granite thiab IGM.
Kev Tsim Kho
Qhov tsis muaj cov hauv paus axis uas tau ua los ntawm cov tshuab hauv IGM tsim muab qee qhov zoo dua li cov kev daws teeb meem ntawm theem-rau-granite. Tshwj xeeb, kev txo cov khoom hauv IGM lub voj voog qauv pab ua kom lub zog ntawm tag nrho axis. Nws kuj tso cai rau qhov luv dua ntawm lub hauv paus granite thiab qhov chaw saum toj kawg nkaus ntawm lub carriage. Hauv qhov kev tshawb fawb tshwj xeeb no, IGM tsim muaj qhov siab ntawm qhov chaw ua haujlwm qis dua 33% (80 hli piv rau 120 hli). Tsis yog qhov siab ua haujlwm me dua no tso cai rau kev tsim qauv me dua, tab sis nws kuj txo qhov kev sib txawv ntawm lub tshuab los ntawm lub cev muaj zog thiab encoder mus rau qhov chaw ua haujlwm, ua rau Abbe yuam kev txo qis thiab yog li ntawd txhim kho qhov kev ua haujlwm ntawm qhov chaw ua haujlwm.
Cov Cheebtsam Axis
Yog saib tob dua rau hauv tus qauv tsim, cov kev daws teeb meem stage-on-granite thiab IGM muaj qee yam tseem ceeb, xws li cov motors linear thiab cov encoders position. Kev xaiv forcer thiab magnet track ua rau muaj peev xwm sib npaug ntawm lub zog. Ib yam li ntawd, kev siv cov encoders tib yam hauv ob qho kev tsim qauv muab kev daws teeb meem zoo sib xws rau kev taw qhia qhov chaw. Yog li ntawd, qhov tseeb linear thiab kev ua tau zoo rov ua dua tsis txawv ntawm stage-on-granite thiab IGM kev daws teeb meem. Cov qauv sib xws, suav nrog kev sib cais ntawm cov kabmob thiab kev kam rau siab, ua rau muaj kev ua tau zoo sib xws hauv cov nqe lus ntawm kev txav mus los ntawm geometric (piv txwv li, kab rov tav thiab ntsug ncaj, pitch, dov thiab yaw). Thaum kawg, ob qho kev tsim qauv txhawb nqa, suav nrog kev tswj hwm cable, kev txwv hluav taws xob thiab hardstops, yog qhov zoo sib xws hauv kev ua haujlwm, txawm hais tias lawv yuav txawv me ntsis hauv qhov tsos.
Cov kabmob
Rau qhov kev tsim tshwj xeeb no, ib qho ntawm qhov sib txawv tseem ceeb tshaj plaws yog kev xaiv cov linear guide bearings. Txawm hais tias cov bearings recirculating ball bearings siv rau hauv ob qho tib si theem-on-granite thiab IGM systems, lub IGM system ua rau nws muaj peev xwm koom ua ke cov bearings loj dua, stiffer rau hauv tus qauv tsim yam tsis nce qhov siab ua haujlwm axis. Vim tias IGM tsim vam khom rau granite ua nws lub hauv paus, piv rau lub hauv paus sib cais machined-component, nws muaj peev xwm rov qab tau qee qhov ntawm cov av ntsug uas yuav raug siv los ntawm lub hauv paus machined, thiab qhov tseem ceeb sau qhov chaw no nrog cov bearings loj dua thaum tseem txo qhov siab carriage tag nrho saum toj no granite.
Kev tawv
Kev siv cov bearings loj dua hauv IGM tsim muaj kev cuam tshuam loj heev rau qhov angular stiffness. Hauv qhov xwm txheej ntawm lub cev dav dav qis dua (Y), IGM kev daws teeb meem muaj ntau dua 40% dov stiffness, 30% pitch stiffness thiab 20% yaw stiffness ntau dua li qhov tsim stage-on-granite. Ib yam li ntawd, IGM tus choj muaj plaub npaug ntawm kev nce hauv dov stiffness, ob npaug ntawm pitch stiffness thiab ntau dua 30% yaw stiffness ntau dua li nws cov stage-on-granite counterpart. Siab dua angular stiffness yog qhov zoo vim nws ncaj qha pab txhawb rau kev ua haujlwm dynamic zoo dua, uas yog qhov tseem ceeb rau kev ua kom muaj kev ua haujlwm siab dua ntawm tshuab.
Muaj Peev Xwm Thauj Khoom
Cov bearings loj dua ntawm cov tshuaj IGM ua rau muaj peev xwm thauj khoom tau ntau dua li cov tshuaj stage-on-granite. Txawm hais tias lub hauv paus PRO560LM ntawm cov tshuaj stage-on-granite muaj peev xwm thauj khoom tau 150 kg, cov tshuaj IGM sib xws tuaj yeem thauj khoom tau 300 kg. Ib yam li ntawd, lub axis choj PRO280LM ntawm stage-on-granite txhawb nqa tau 150 kg, thaum lub axis choj ntawm cov tshuaj IGM tuaj yeem nqa tau txog 200 kg.
Kev Tsiv Pawg Neeg
Txawm hais tias cov bearings loj dua hauv cov mechanical-bearing IGM axes muab cov yam ntxwv zoo dua thiab muaj peev xwm thauj khoom ntau dua, lawv kuj tuaj nrog cov tsheb thauj khoom loj dua thiab hnyav dua. Tsis tas li ntawd, cov tsheb thauj khoom IGM tau tsim kom qee yam ntxwv tsim nyog rau theem-rau-granite axis (tab sis tsis tas yuav tsum tau los ntawm IGM axis) raug tshem tawm kom ua rau qhov khoom tawv thiab yooj yim tsim khoom. Cov yam no txhais tau tias IGM axis muaj qhov hnyav txav ntau dua li theem-rau-granite axis. Ib qho tsis zoo uas tsis muaj kev sib cav yog tias IGM qhov kev nrawm siab tshaj plaws qis dua, xav tias lub zog tso zis ntawm lub cev muaj zog tsis hloov pauv. Txawm li cas los xij, hauv qee qhov xwm txheej, qhov hnyav txav loj dua yuav zoo dua los ntawm qhov kev xav tias nws qhov inertia loj dua tuaj yeem muab kev tiv thaiv ntau dua rau kev cuam tshuam, uas tuaj yeem cuam tshuam rau kev ruaj khov hauv qhov chaw.
Kev Tsim Kho Dynamics
Lub IGM system qhov kev coj tus kheej siab dua thiab kev thauj khoom ruaj khov dua muab cov txiaj ntsig ntxiv uas pom tseeb tom qab siv cov software finite-element analysis (FEA) los ua qhov kev tshuaj xyuas modal. Hauv kev tshawb fawb no, peb tau tshuaj xyuas thawj qhov resonance ntawm lub tsheb thauj khoom txav mus los vim nws cov nyhuv rau servo bandwidth. Lub PRO560LM carriage ntsib qhov resonance ntawm 400 Hz, thaum lub IGM carriage sib xws ntsib tib hom ntawm 430 Hz. Daim duab 3 qhia txog qhov tshwm sim no.
Qhov resonance siab dua ntawm IGM kua, thaum piv rau cov theem-on-granite ib txwm muaj, tuaj yeem yog vim muaj kev tsim kho lub tsheb thauj khoom thiab cov kabmob uas ruaj khov dua. Qhov resonance siab dua ntawm lub tsheb thauj khoom ua rau nws muaj peev xwm muaj servo bandwidth ntau dua thiab yog li ntawd txhim kho kev ua tau zoo.
Ib puag ncig ua haujlwm
Yuav luag txhua zaus yuav tsum tau ua kom lub axis kaw thaum muaj cov pa phem, txawm tias tsim los ntawm tus neeg siv cov txheej txheem lossis lwm yam uas muaj nyob hauv lub tshuab ib puag ncig. Cov kev daws teeb meem ntawm theem-rau-granite yog qhov tsim nyog tshwj xeeb hauv cov xwm txheej no vim yog qhov xwm txheej kaw ntawm lub axis. Piv txwv li, PRO-series linear stages tuaj nrog cov ntaub npog tawv thiab cov ntaub thaiv sab uas tiv thaiv cov khoom sab hauv ntawm theem los ntawm kev ua qias tuaj rau qhov tsim nyog. Cov theem no kuj tseem tuaj yeem teeb tsa nrog cov ntaub so rooj xaiv tau los ntxuav cov khib nyiab tawm ntawm cov ntaub npog tawv sab saum toj thaum lub theem hla. Ntawm qhov tod tes, IGM motion platforms yog qhib rau hauv qhov xwm txheej, nrog rau cov bearings, motors thiab encoders raug. Txawm hais tias tsis yog teeb meem hauv cov chaw huv si, qhov no tuaj yeem ua teeb meem thaum muaj kev ua qias tuaj. Nws yog qhov ua tau los daws qhov teeb meem no los ntawm kev koom ua ke tshwj xeeb bellows-style txoj kev-npog rau hauv IGM axis tsim los muab kev tiv thaiv los ntawm cov khib nyiab. Tab sis yog tias tsis siv kom raug, lub bellows tuaj yeem cuam tshuam tsis zoo rau lub axis 'kev txav los ntawm kev muab cov zog sab nraud rau ntawm lub carriage thaum nws txav mus los ntawm nws tag nrho cov kev mus ncig.
Kev Txij Nkawm
Kev pabcuam yog qhov sib txawv ntawm theem-rau-granite thiab IGM txav platforms. Linear-motor axes paub zoo txog lawv qhov ruaj khov, tab sis qee zaum nws yuav tsum tau ua kev saib xyuas. Qee qhov kev ua haujlwm saib xyuas yooj yim heev thiab tuaj yeem ua tiav yam tsis tas tshem tawm lossis disassembling lub axis hauv nqe lus nug, tab sis qee zaum yuav tsum tau rhuav tshem ntau dua. Thaum lub platform txav muaj cov theem sib cais mounted rau ntawm granite, kev pabcuam yog ib txoj haujlwm yooj yim heev. Ua ntej, dismount lub theem ntawm granite, tom qab ntawd ua haujlwm saib xyuas tsim nyog thiab rov mount nws. Lossis, tsuas yog hloov nws nrog lub theem tshiab.
Cov kev daws teeb meem IGM qee zaum yuav nyuaj dua thaum ua kev txij nkawm. Txawm hais tias hloov ib txoj kab hlau nplaum ntawm lub cev muaj zog linear yooj yim heev hauv qhov no, kev txij nkawm thiab kho dua feem ntau yuav tsum tau rhuav tshem tag nrho ntau lossis tag nrho cov khoom uas muaj lub axis, uas siv sijhawm ntau dua thaum cov khoom raug teeb tsa ncaj qha rau granite. Nws kuj tseem nyuaj dua los hloov cov axes raws li granite rau ib leeg tom qab ua kev txij nkawm - ib txoj haujlwm uas yooj yim dua nrog cov theem sib cais.
Rooj 1. Kev qhia luv luv txog qhov sib txawv ntawm kev siv tshuab thiab kev daws teeb meem IGM.
| Kev piav qhia | Theem-rau-Granite System, Mechanical Bearing | IGM System, Mechanical Bearing | |||
| Lub hauv paus Axis (Y) | Choj Axis (X) | Lub hauv paus Axis (Y) | Choj Axis (X) | ||
| Kev Nyuaj Siab Li Qub | Ntsug | 1.0 | 1.0 | 1.2 | 1.1 |
| Sab nraud | 1.5 | ||||
| Suab | 1.3 | 2.0 | |||
| Yob | 1.4 | 4.1 | |||
| Yaw | 1.2 | 1.3 | |||
| Lub peev xwm thauj khoom (kg) | 150 | 150 | 300 | 200 | |
| Kev Txav Mus Los (kg) | 25 | 14 | 33 | 19 | |
| Rooj Tog Qhov Siab (hli) | 120 | 120 | 80 | 80 | |
| Kev kaw tau | Cov ntaub thaiv tawv thiab cov ntsaws ruaj ruaj sab muab kev tiv thaiv los ntawm cov khib nyiab nkag mus rau hauv lub axis. | IGM feem ntau yog ib qho kev tsim qhib. Kev kaw yuav tsum tau ntxiv lub hau bellows lossis lwm yam zoo sib xws. | |||
| Kev pabcuam tau zoo | Cov theem sib xyaw tuaj yeem raug tshem tawm thiab yooj yim kho lossis hloov. | Cov axes yog inherently ua rau hauv cov qauv granite, ua rau kev pabcuam nyuaj dua. | |||
Kev Sib Piv Txog Kev Lag Luam
Txawm hais tias tus nqi tag nrho ntawm txhua lub tshuab txav yuav txawv raws li ntau yam xws li qhov ntev ntawm kev mus ncig, qhov tseeb ntawm axis, lub peev xwm thauj khoom thiab lub peev xwm dynamic, qhov kev sib piv ntawm cov IGM zoo sib xws thiab cov tshuab txav theem-rau-granite uas tau ua hauv txoj kev tshawb fawb no qhia tias IGM cov kev daws teeb meem muaj peev xwm muab kev txav nruab nrab-rau-siab-precision ntawm tus nqi qis dua li lawv cov theem-rau-granite counterparts.
Peb txoj kev tshawb fawb txog kev lag luam muaj peb yam tseem ceeb ntawm tus nqi: cov khoom siv tshuab (suav nrog ob qho tib si cov khoom tsim thiab cov khoom yuav), kev sib dhos granite, thiab kev ua haujlwm thiab cov khoom siv ua haujlwm.
Tshuab Khoom
Ib qho kev daws teeb meem IGM muab kev txuag nyiaj ntau dua li kev daws teeb meem theem-rau-granite hauv cov nqe lus ntawm cov khoom siv tshuab. Qhov no feem ntau yog vim IGM tsis muaj cov hauv paus theem ua haujlwm zoo nkauj ntawm Y thiab X axes, uas ntxiv qhov nyuaj thiab tus nqi rau cov kev daws teeb meem theem-rau-granite. Ntxiv mus, kev txuag nyiaj tuaj yeem raug suav hais tias yog qhov yooj yim ntawm lwm qhov chaw ua haujlwm ntawm kev daws teeb meem IGM, xws li cov tsheb thauj khoom txav mus los, uas tuaj yeem muaj cov yam ntxwv yooj yim dua thiab me ntsis kev kam rau siab dua thaum tsim los siv rau hauv lub kaw lus IGM.
Cov Rooj Sib Tham Granite
Txawm hais tias cov granite base-riser-bridge assemblies hauv ob qho tib si IGM thiab stage-on-granite systems zoo li muaj cov qauv zoo sib xws thiab tsos, IGM granite assembly kim dua me ntsis. Qhov no yog vim tias granite hauv IGM kua hloov chaw ntawm cov theem machined hauv stage-on-granite kua, uas xav kom granite muaj kev kam rau siab dua hauv thaj chaw tseem ceeb, thiab txawm tias muaj cov yam ntxwv ntxiv, xws li kev txiav extruded thiab / lossis threaded steel inserts, piv txwv li. Txawm li cas los xij, hauv peb txoj kev kawm, qhov nyuaj ntxiv ntawm cov qauv granite yog ntau dua li qhov yooj yim hauv cov khoom siv tshuab.
Kev Ua Haujlwm thiab Kev Siv Nyiaj Ntau Tshaj
Vim muaj ntau yam zoo sib xws hauv kev sib sau ua ke thiab sim ob qho tib si IGM thiab stage-on-granite systems, tsis muaj qhov sib txawv tseem ceeb hauv cov nqi zog thiab cov nqi them ua haujlwm.
Thaum tag nrho cov nqi no tau muab ua ke, cov tshuaj IGM tshwj xeeb uas tau kuaj xyuas hauv txoj kev tshawb fawb no pheej yig dua li 15% piv rau cov tshuaj uas tau ua los ntawm cov khoom siv kho tshuab, theem-rau-granite.
Tau kawg, cov txiaj ntsig ntawm kev tshuaj xyuas kev lag luam tsis yog nyob ntawm cov yam ntxwv xws li qhov ntev ntawm kev mus los, qhov tseeb thiab lub peev xwm thauj khoom xwb, tab sis kuj nyob ntawm cov yam ntxwv xws li kev xaiv tus neeg muab khoom granite. Tsis tas li ntawd, nws yog qhov zoo los xav txog cov nqi xa khoom thiab kev thauj mus los uas cuam tshuam nrog kev yuav cov qauv granite. Tshwj xeeb tshaj yog pab tau rau cov kab ke granite loj heev, txawm hais tias muaj tseeb rau txhua qhov loj me, kev xaiv tus neeg muab khoom granite tsim nyog nyob ze rau qhov chaw ntawm qhov kev sib dhos kawg tuaj yeem pab txo cov nqi thiab.
Nws kuj tseem yuav tsum tau sau tseg tias qhov kev tshuaj xyuas no tsis xav txog cov nqi tom qab kev siv. Piv txwv li, xav tias nws tsim nyog los pabcuam lub kaw lus txav los ntawm kev kho lossis hloov lub axis ntawm kev txav. Lub kaw lus theem-on-granite tuaj yeem pabcuam los ntawm kev tshem tawm thiab kho / hloov lub axis cuam tshuam. Vim yog qhov tsim qauv theem modular ntau dua, qhov no tuaj yeem ua tiav nrog kev yooj yim thiab ceev, txawm tias tus nqi pib siab dua. Txawm hais tias IGM systems feem ntau tuaj yeem tau txais ntawm tus nqi qis dua li lawv cov stage-on-granite counterparts, lawv tuaj yeem nyuaj dua rau disassemble thiab pabcuam vim yog qhov xwm txheej sib xyaw ua ke ntawm kev tsim kho.
Xaus lus
Nws meej meej tias txhua hom kev tsim platform txav chaw - theem-rau-granite thiab IGM - tuaj yeem muab cov txiaj ntsig sib txawv. Txawm li cas los xij, nws tsis yog ib txwm pom tseeb tias qhov twg yog qhov kev xaiv zoo tshaj plaws rau ib qho kev siv txav chaw tshwj xeeb. Yog li ntawd, nws yog qhov zoo heev rau kev koom tes nrog tus neeg muab kev pabcuam txav chaw thiab automation, xws li Aerotech, uas muab kev sib tham tshwj xeeb, tsom mus rau daim ntawv thov los tshawb nrhiav thiab muab kev nkag siab zoo rau lwm txoj hauv kev daws teeb meem rau kev tswj kev txav chaw thiab kev siv automation nyuaj. Kev nkag siab tsis yog tsuas yog qhov sib txawv ntawm ob hom kev daws teeb meem automation no, tab sis kuj tseem ceeb ntawm cov teeb meem uas lawv yuav tsum daws, yog qhov tseem ceeb rau kev vam meej hauv kev xaiv lub tshuab txav chaw uas daws tau ob qho tib si kev siv tshuab thiab nyiaj txiag ntawm qhov project.
Los ntawm AEROTECH.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-31-2021