Cov xwm txheej dab tsi yuav tsum tau txiav txim siab nyob rau hauv cov qauv tsim ntawm pob ntsia hlau txhawb nqa?
Hav! Ntau cov neeg tsim kho tshuab feem ntau ntsib cov teeb meem no thaum tsim cov pob ntsia hlau tsav lub tshuab: "Vim li cas cov pob tw tawm ntawm cov khoom co, suab nrov tsis zoo, lossis muaj khoov?" Qee tus neeg ntseeg "tsuas yog xaiv siab xaiv siab - Lub zog txhawb nqa nkhaus yuav daws tau qhov sib txawv ntawm cov qauv txhawb nqa thiab cov ntsia hlau ua haujlwm. Lwm tus xav tias "tsau -} xaus mounting yog ib txwm ruaj khov," tsis muaj peev xwm rau cov nyiaj luv thiab thauj khoom. Nyob rau hauv kev muaj tiag, lub ntsiab cai tseem ceeb ntawm Pob Pob Ntsia Hlau TxhawbKev tsim qauv yog "kev ua haujlwm {{-} dreat oxriving optimization ntsuas kev ruaj khov, yog qhov tseeb, thiab lub neej."
Ua ntej, hais meej: cov haujlwm tseem ceeb thiab tsim qauv ntawmPob Pob Ntsia Hlau Txhawbkev qauv
Tsim Nyog Tsim Nyiab Tsim pib pib nrog kev nkag siab nws qhov kev txiav txim siab ruaj khov kom ntseeg tau tias lub pob ntsia hlau "tsis khoov, co, lossis poob precision" thaum lub sijhawm sib kis.
Xya tus tseem txiav txim siab rau pob ntsia hlau txhawb nqa qauv qauv
Cov qauv tsim qauv kev txhawb nqa yuav tsum tau nyob qhov ntev xws li "kev ua haujlwm tsis zoo, quab yuam txheeb xyuas, thiab cov kev xav tau." Txhua qhov kev txhawb nqa ncaj qha txhawb kev xaiv cov tshuaj xaiv thiab cov qauv qhia ntawv kom ntxaws, raws li hauv qab no:
1. Qhov Tseeb 1: Cov Ntsia Hlau Spong thiab ntev -}} Lub hauv paus rau kev xaiv
Qhov sib piv ntawm kev sib tw ntawm lub cheeb yog thawj zaug rau kev txhawb nqa kev tsim qauv, cuam tshuam nrog cov ntsia hlau nruj thiab kev sib tw:
Ntev -} rau - diam txoj piv tsawg dua los yog sib npaug nrog kev pheej hmoo siab; Kev txhawb nqa yooj yim xws li tsuas yog txhawb - convent} connived {{4 4}} Tas tau xaiv;
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Ntev - rau - diam txoj piv> 30:Cov ntsia hlau ua rau pom kev ua kom nruj me ntsis, nquag mus rau kev co lossis dabtsi yog khoov. Tsau - Cov kev txhawb nqa zoo yog qhov yuav tsum tau ua ke, xav tau kev txhawb nqa tau ntxiv nrog cov bearings thiab cov hauv paus loj.
Ceeb toom tseem ceeb:Qhov ntev -} rau - txoj piv ntawm txoj piv yog qhov "nyuaj rau kev xaiv. Tsis quav ntsej qhov kev tsim qauv no yuav ua rau runial runout ntau dua 0.03mm thaum lub sijhawm ua haujlwm, ua rau muaj 50% precision ploj.
2. Qhov Muag 2: Ntaus Yam thiab qhov ntau - Kev txiav txim siab txhawb nqa muaj peev xwm
Pob Screws Txiaj Ntsig Radial thiab Axial Loads. Cov qauv kev txhawb nqa yuav tsum tau sib phim kom thauj tau peev xwm tiv thaiv cov kabmob puas:
{{0 {}} Nyob Axial Thauj:Axial loads feem ntau tshaj 80% ntawm tag nrho cov nra. Xaiv Bearings muaj peev xwm ntawm kev tuav Axial rog, thiab txhawb cov kev txhawb txhawb rau cov nyiaj txwv Axial.
Radial lo lus tseem ceeb:Radial loads ua rau ntsia hlau dabtsi yog khoov. Bearings nrog High Radial Thauj Peev Yuav tsum tau xaiv, thiab txhawb nqa vaj tsev yuav tsum muaj cov phab ntsa xoob kom nce radial txhav txhav.
Ua ke loads:Composite bearings lossis ob npaug -}} · txiv angular chludb yuav tsum siv. Txhawb nqa cov tsev yuav tsum tau ntiav cov qauv siv ua ke kom ntseeg tau tias kev faib tawm cov zog uas muaj zog.
Xam txheej txheem:Cov ntsuas cov ntsuas kev thauj khoom muaj peev xwm tiv thaiv kabmob yuav tsum muaj ntau dua los yog sib npaug ntawm 1.2-1.5 npaug ntawm kev siv zog ua kom tsis txhob muaj zog los tiv thaiv kev qaug zog los ntawm luv- lub sij hawm overloads.
3. Qhov Muag 3: Cov Kev Xav Tau Precision- Kev Txiav Txim Siab Txhawb Txoj Haujlwm thiab Cov Txheej Txheem Tshaj Tawm
Yuav tsum muaj qhov yuav tsum tau ua raws li sib txawv ntau thoob plaws cov khoom sib txawv. Tus qauv tsim qauv yuav tsum ua kom haum nrog qhov raug tsim nyog qib, tswj tau yog li partns los ntawm kev sib dhos:
General Preemage (muab qhov tseeb ± 0.05mm):Haum rau cov qauv hloov khoom thiab cov tshuab automation me me. Txhawb nqa paus mounting nto tiaj tiaj tsawg dua los yog sib npaug rau 0.1mm / m. Bearings Xaiv nrog P6 precision qib (radial runout tsawg dua los yog sib npaug rau 0.015mm). Ntsia thawv {6- rau - txhawb nqa cov kev sib luag tsawg dua lossis sib npaug rau 0.03mm.
Precision Qhov tseeb (txoj kev muab kev raug yog ± 0.01mm):Tshuab Tool pub Axes, kev tshuaj ntsuam kev tshuaj ntsuam xyuas cov khoom siv. Txhawb nqa paus mounting nto tiaj tiaj tsawg dua los yog sib npaug rau 0.05mm / m. Bearings xaiv nrog P5 Qib Ntsuas (Radial Runial tsawg dua los yog sib npaug nrog 0.008mm). Ntsia thawv {6- rau {{{{7} txhawb kev sib txuas lus tsawg dua lossis sib npaug rau 0.01 hli. Txhawb nqa cov hauv paus yuav tsum muaj kev kho mob laus.
Ultra - qhov dav dav siab (muab qhov tseeb ± 0.001mm):Rau cov khoom siv semiconductor thiab cov tshuab ua laser yuav tsum tau ua ntawm marble los yog ultras {{ Bearings yuav yog P4 qib. Lub sijhawm sib dhos, coaxiality yuav tsum ntsuas siv cov laser uas cuam tshuam (tsawg dua lossis sib npaug nrog 0.005mm), thiab cov kabmob ntawm cov khoom plig yuav tsum tau thov kom tshem tawm kev tshem tawm.
Cov Hloov Kho Hloov Cov Logic:Cov qauv txhawb nqa yuam kev ncaj qha rau hauv pob ntsia hlau kis tau. Yog tias txhawb nqa paus mounting hauv mounting nto tiaj tiaj tshaj 0.1Mm / m, radial runout nce ntau dua lossis sib npaug rau 0.02mm} Kev tswj nruj yog qhov tseem ceeb.
4. Qhov Muag 4: Ceev thiab Kev Kev Kev Ua Si Kev Mob Siab- Txiav txim siab txhawb kev ruaj ntseg tsim qauv
Ntau dua pob ntsia hlau ceev nce centrifugal rog thiab kev pheej hmoo kev pheej hmoo. Cov qauv txhawb nqa yuav tsum ua haujlwm ruaj khov los ntawm "mob hnyav tshaj tawm kev co tshuab -
Tsawg - kev ua haujlwm ceev:Cov cuab yeej hnyav, qis {- ceev pub lub txee nrog kev pheej hmoo tsawg. Cov hau kev txhawb nqa yuav ua ntej tus nqi thiab kev sib dhos kom yooj yim yam tsis muaj kev ua kom ntau ntxiv kev ua kom ntsuas.
Nruab nrab - kev ua haujlwm ceev:Cov Cuab Yeej Siv Lub Tshuab, Cov Kab Cov Khoom Siv Ntau Lawm. Tsau - rau - Cov kev pab txhawb tau zoo yuav tsum tau xaiv. Kev txhawb nqa cov hauv paus yuav tsum tau bolted mus rau mounting foundation nrog siab- Lub zog bolts kom txo qis kev co kab mob. Bearings yuav tsum yauv ua kom zoo.
High - Kev Ua Haujlwm Ceev: Siab - Ceev Machining Machine, Precision ntxaiv. Yuav tsum ua kom tau raws li cov kev tsim qauv hauv qab no:
Txhawb hom qauv:Tsau -} rau -} Cov kev txhawb nqa ruaj khov txuas nrog lub tshuab cuab tam.
Xaiv xaiv:Siab - Ceev Angular Hu Rau Pob Bearings nrog roj {1} {lubrication;
Kev co hluav taws xob:Nruab damping shims ntawm cov kev txhawb nqa lossis ntxiv ove- kev co nkhaus kev co amplitation nyob rau hauv 0.005mm.
Ceeb Toom Tseem Ceeb:Qhov tseem ceeb ntawm pob ntawm pob Screws cuam tshuam nrog kev txhawb nqa kev teeb tsa. Tsau -} rau {{2} Cov kev txhawb nqa ob zaug tsuas yog txhawb nqa {} {4 4}}}}}}}}}}}}}}}}}}}}}} yooj yim txhawb nqa. Kev tsim qauv yuav tsum ua kom pom tseeb qhov nrawm dua li lossis sib npaug li 70% ntawm cov ceev tseem ceeb.
5. Qhov tseem ceeb 5: Chaw teeb tsa thiab sib dhos yooj yim yooj yim- txiav txim cov qauv kev txhawb nqa
Cov khoom siv installation installation yog txwv. Cov qauv kev txhawb nqa yuav tsum tshuav kev sib luag thiab sib dhos kev yooj yim thaum lub rooj sib tham xav tau, zam "xaiv tau" scenarios:
Kev kaw qhov chaw:
Xaiv cov tsev txhawb kev cog lus nrog kev ua me me hu rau pob kabmob. Nthuav qhia kev yooj yim txhawb -}} connuted conforgents. Siv split- Hom Nyiaj Txhawb Pab Txhawb rau kev sib dhos.
Cov Qauv Chaw:Cov qauv txhawb nqa nkhaus yuav siv tau. Txhawb kev teeb tsa yuav tsum tau xaiv raws li ntev - rau - txoj piv ntawm cov piv thiab load. Xyuas kom meej meej txaus rau kev tshem tawm rau kev rho tawm thaum sib dhos los pab txhawb yav tom ntej.
Cov txheej txheem tshwj xeeb:
Ntsug nruab:Ntxiv kev txhawb nqa axial nyob rau hauv qis kawg ntawm cov hlau lead xim kom tiv thaiv sagging vim tus kheej {{luas} qhov hnyav.
Inclined installation:Nruab ovi -} loosening cov cuab yeej ntawm cov kev txhawb nqa nkhaus kom tiv thaiv cov tawv ntoo.
Los ua ke lub hauv paus ntsiab:XEEM TXHEEJ TXHEEM, MOD TSOOV BASES nrog tsawg dua cov khoom sib dhos thiab cov sib dhos yooj yim los txo qhov tsis yooj yim. Cov cuab yeej siv kev cai yuav tsum zam kom txo cov kev sib txawv.
6. Qhov Muag 6: Kev Ua Haujlwm- Khib Khib Kev Tiv Thaiv Kev Tiv Thaiv thiab Huab Cua Kuj Tsim
Cov xwm txheej hnyav xws li cov av noo, plua plav, lossis qhov kub siab ua kom nrawm dua corrosion thiab hnav. Ua raws cov qauv tiv thaiv:
Qaum / Corrosive ib puag ncig:
Cov Khoom Xaiv:Siv 304 stainless hlau rau kev txhawb nqa hauv paus thiab stainless hlau bearings los tiv thaiv cov roj hlau hlau;
Kev tiv thaiv kev ntsuas:Nruab cov ntsaws ruaj ruaj ntawm cov ntsia hlau {{0} Kev txhawb nqa interface thiab ntws qhov ntawm puag;
Plua plav ib puag ncig:
Cov qauv tiv thaiv:Ntxiv cov hmoov av npog los txhawb nqa cov qib exteriors thiab Foob ntsia hlau - txhawb cov khoob nrog cov khoom siv.
Cov khoom siv ua haujlwm:Siv cov nyooj - Tsis kam coating kom pab txhawb nqa bracket nto txwv kom txo cov hmoov av puas;
Siab - qhov chaw ib puag ncig:
Cov Khoom Xaiv:Xaiv siab - kub alloy rau kev txhawb nqa nkhaus thiab high- kub bearings;
Thaum tshav kub disspipation tsim:Teeb tsa cov ntawv txias ntawm kev txhawb nqa bracketdeDalls lossis nruab cov kiv cua txias kom ze rau cov kabmob kub tsawg dua los yog sib npaug ntawm 120 degree.
Kev yoog raws ib puag ncig:Hauv harsh eNvirmirmer, qhov tseem ceeb ntawm kev tiv thaiv kev tiv thaiv rau kev txhawb nqa qauv qauv kev txiav txim siab tau txais kev txiav txim siab. Kev tiv thaiv kev tiv thaiv tuaj yeem txo tau cov txiaj ntsig li cas rau tsawg dua ib qho -}} thib peb ntawm ib txwm muaj.
7. QHOV TSEG 7: Tus nqi thiab kev saib xyuas thiab saib xyuas - kev ua tau zoo thiab kev lag luam
Cov qauv kev tsim qauv yuav tsum tawm tsam kev sib npaug ntawm kev ua tau zoo thiab tus nqi thaum txiav txim siab saib xyuas kom tsis txhob "tshaj}} kev saib xyuas" lossis "kev txij nkawm nyuaj":
Tsawg - tus nqi yuav tsum tau:Xaiv Aluminium alloy rau kev txhawb nqa vaj tse, P0 {-}} Confected mounting kom txo tau cov machining tshuab thiab cov nqi sib koom ua ke thaum ua kom muaj kev ua haujlwm tseem ceeb;
Siab tus nqi - kev ua tau zoo:Xaiv cov hlau pov tseg rau kev txhawb nqa vaj tse, P6 -}} kev mounting raws li ntev} rau-dooreter piv rau kev sib npaug thiab raug nqi;
Txij Nkawm - Tus Qauv Tsim Qauv:
- Tswm Kev Tuav Tau Tshem Tawm Cov Qauv Tsev Kom Yooj Yim Rau Kev Yooj Yim;
Lubrication raws cov ntaub ntawv tshwj tseg rau cov ntawv thov nyiaj nruab nrab;
Kev kuaj xyuas cov chaw nres nkoj ntxiv rau ntawm cov chaw tseem ceeb rau kev kho kom muaj nuj nqi thaum tu.
Tus nqi tswjfwm nqi:Tsis txhob siv cov ntaub ntawv tshaj tawm ntawm kev ua haujlwm thaum lub rooj sib tham txog kev ua haujlwm, tab sis cov khoom sib xyaw ua haujlwm yuav tsum tsis txhob txo qis.
Thib ob, raugPob Pob Ntsia Hlau TxhawbCov qauv thiab cov ntawv thov uas haum
Raws li cov pej xeem xya saum toj no, cov qauv txhawb nqa poob rau hauv plaub pawg. Kev ua tau zoo thiab haum rau txawv txawv hla kev daws teeb meem, xav tau cov ntaub ntawv tseeb:
1. Kev daws 1: Cias txhawb - cont} confected
Cov qauv nta:Ob qho tag nrho tsuas yog txwv tsis pub muaj kev nyab xeeb radial Cov qauv yooj yim, tus nqi qis, tsawg dua cov khoom sib xyaw.
2. Dlha2: Cias txhawb - Tsau Txhawb Kev Yug
Cov qauv nta:Lub tsev ua rau muaj kev txhawb nqa {- Cov ntsia hlau txuas ntxiv rau hauv ntau qhov ntev li cas rau hauv ntau qhov ntev - rau-txoj kab sib dhos;
Kev ua tau zoo heev:Radial Stiffness ≈ 600-900 n / μm, nam piv txo los ntawm 40 mus rau hauv qab 25, kev co amplitude txo los ntawm ntau tshaj 50%;
Cov ntaub ntawv tsim nyog:Ntev -} {{{} Nplooj ceev {{} {{{3} {stroke conveying khoom siv.
| Kev Sib Piv | Tsuas yog txhawb -}} convented txhawb nqa | Tsuas yog txhawb -} kev txhawb nqa | Tsau -} kev txhawb nqa |
| Radial Stiffness (N / μm) | 300-500 | 500-800 | Ntau dua los yog sib npaug rau 800 |
| Axial Tiffness (N / μm) | ≈100 | 800-1000 | Ntau dua los yog sib npaug rau 1500 |
| Muaj feem siv L / D piv ntau ntau | Tsawg dua los yog sib npaug rau 20 | Tsawg dua los yog sib npaug rau 30 | > 20 (Yuav Tsum Tau Txais) |
| Tseem ceeb heev ntau yam | 1.0 (siv) | 1.5 (Tus txheeb ze los pab txhawb kom yooj yim -}} confered) | 2.0 (txheeb ze rau kev yooj yim txhawb -} convented) |
Thib peb: plaub yam tsis muaj ntsiab lus hauvPob Pob Ntsia Hlau TxhawbQauv Tsim
Txawm tias nrog kev paub ntawm cov qauv tsim, "kev sib cav sib ceg" kuj tseem ua rau muaj kev cuam tshuam rau kev tsim qauv. Qhov tseem ceeb kom tsis txhob:
1. Kev tsis ncaj ncees rau 1: "Siv tsuas yog txhawb -}}}}}} diamital diam tshaj 30, tsis quav ntsej tsis muaj zog"
Mus kom ze:Rau lub hau ntswj nrog l =2000 mm thiab d {{1} {{}} connived {{yooj yim txhawb nqa cov kabmob tau siv. Thaum lub sijhawm ua haujlwm, cov ntsia hlau nthuav tawm radial runout tshaj 0.05mm, uas ua rau 80% poob ntawm txoj kev ua hauj lwm raug.
2. Kev tsis ncaj ncees tshaj plaws 2: "Cov txiaj ntsig ntau dua yog ib txwm zoo dua rau kev ua tiav siab tawv siab"
Kev xyaum tsis yog:Txhawm rau txhim kho txhav txhav txhav, teeb tsa angular tiv tauj cov kabmob npas preloche (kub tshaj 150 txoj kev pabcuam lub neej mus rau 2000 teev.
Tiv Tauj Peb
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