Yuav kuaj li cas linear qhia kev tsheb nqaj hlau swb?

Yuav kuaj li cas linear qhia kev tsheb nqaj hlau swb?

Ntau cov neeg kho tshuab kev lag luam feem ntau ntsib "puzzling teeb meem" nrogTawm Qhia Kev Rail Saws ShaftsThaum lub sij hawm kuaj xyuas cov khoom: "Cov Lus Qhia Rail Ncauj emits pom tsis txaus siab txawv txav tsis txaus ntseeg lub sijhawm ua haujlwm tseem yog qhov tsis yooj yim xwb"; "Cov lus qhia kev tsheb nqaj hlau mam li txaj muag, thiab thaum muaj kev rho tawm, feem ntau muaj kev pom zoo, tab sis lub sijhawm rau kev ceeb toom ntxov tau dhau los." Qee tus neeg ntseeg "kev taw qhia ncej tsuas tsuas yog kev txiav txim los ntawm kev paub dhau los," cia siab rau kev kho kom zoo nkauj uas feem ntau ua rau pom cov teeb meem. Lwm tus tsis saib xyuas kev soj ntsuam txog thaum muaj xwm txheej ceev ua rau poob ntau. Nyob rau hauv kev muaj tiag, Tawm Qhia Ncej Cov txhaum kev ua raws cov txheej txheem "{{{3} Txheem cov cuab yeej tshuaj thiab kev txheeb xyuas cov hauv paus, txhua kauj ruam muaj qhov tseeb ceeb toom. Niaj hnub no, peb systematically tsoo lub txhaum kev ua txhaum txoj kev rauQhia Tawm Shafts, npog cov khoom yuam kev ntau yam, kev kuaj mob ua haujlwm, cov cuab yeej sim, thiab kho cov lus pom zoo. Qhov no yuav pab koj cov teeb meem taw qhia kom raug thiab tsis txhob "kho qhov muag dig."

Ua ntej, hais meej: 4 ib txwm ua txhaum kev ua txhaum ntawmQhia Tawm Shaftsthiab ua ntej txiav txim
Tawm Qhia Ncauj Ncauj Ncauj Nce tsis tshwm sim tsis muaj kev ceeb toom. Cov teeb meem sib txawv nthuav qhia cov tsos mob sab nraud. Cov kev soj ntsuam theem pib tuaj yeem muab cov lus qhia ua ntej ntawm kev ua txhaum, tso cov av ua kom zoo rau kev kuaj mob tom ntej:
1. Txhaum Kev Txhaum 1: Tsis muaj suab nrov khiav lub suab nrov {2 {2} "acoustic cim" qhia kev sib txhuam "qhia txog cov teeb meem
Cov suab nrov hom thiab cov nyom txiav txim siab:
Nruam "Humming":Feem ntau tshwm sim los ntawm kev tshem tawm ntau dhau (> 0.1mm) ntawm cov lus qhia ncej thiab swb, lossis tsis txaus}- hlau qhuav sib txhuam. Nquag nyob rau hauv cov khoom siv nrog ntev {{}} lub sij hawm tsis muaj txij nkawm.

Sib tham sib deev "nyem":Yuav qhia cov kab mob kom paug ntawm cov lus qhia kev tsheb ciav hlau lossis hnav / deformed pob / cov chais ua rau kev sib tsoo thaum txav;
Ntse "screeching":Feem ntau tshwm sim los ntawm kev qhia kev tsheb ciav hlau mus ncig ua si rau ib sab ntawm lub vias ntev dhau ntawm ib sab
Cov ntaub ntawv ua ntej: Kaw cov khoom siv thiab nias tus swb. Yog tias lub suab ceases, nws yuav qhia tau cov teeb meem dynamment dynamment thaum lub sijhawm ua haujlwm. Cov suab nrov tsis tu ncua thaum kev ntsuam xyuas phau ntawv yuav tsum tshuaj xyuas cov kev coj qhia kev tsheb ciav hlau lossis sab hauv chav ciav hlau sab hauv.

2.
Cov yam ntxwv stuttering thiab kev txiav txim siab ua ntej:
Sib tw stuttering:Yuav qhia cov khoom txawv teb chaws nyob rau hauv cov lus qhia kev tsheb nqaj hlau lossis puas slider ntsaws ruaj ruaj (piv txwv li plua plav sib tsoo

Nce ntxiv tiv thaiv thoob plaws ncig:Feem ntau tshwm sim los ntawm qhuav roj, xeb ntawm cov lus qhia kev tsheb ciav hlau, lossis hnav slider raceways.
Muab tso rau hauv kab ke:Tshwm sim tsuas yog ntawm cov haujlwm tshwj xeeb, tej zaum yog vim kev xa cov kabke cov tsheb ciav hlau deformation lossis installation saum npoo indentations.

Cov Ntawv Pov Thawj Ua Ntej:Ntsuas slider zog tsis kam nrog lub caij nplooj ntoo hlav. Nyob rau hauv ib txwm mob, resistinance hloov pauv yuav tsum tsawg dua los yog sib npaug rau 5n. Yog tias tiv taus dheev tshaj li 30n hauv ntu tshwj xeeb, kev ntsuas ua ntej qhia tau tias muaj peev xwm jamming hauv thaj chaw ntawd.

3.
Cov hom kev khib nyiab raug cai thiab kev txiav txim siab ua ntej:
Kev ua kom ua yuam kev rov ua yuam kev ntau tshaj kev kam rau (> 0.02mm):Feem ntau tshwm sim los ntawmKev Qhia Kev Rail NcejKev sib txawv sib txawv (> 0.05 hli / m) lossis tsis txaus slider preload (ua kom muaj kev tshem tawm);
Nce ntxiv kev ua yuam kev: tej zaum vim muaj unilateral hnav ntawm cov kev qhia kev tsheb nqaj hlau lossis tilted mounting nto;
Kev ua kom muaj tseeb muaj kev poob qis (tseem ceeb heev hloov pauv thaum ua haujlwm): Often caused by excessive guide rail shaft vibration (amplitude >0.01 hli) lossis pob puas sab hauv qhov chaw swb;
Cov Ntawv Pov Thawj Ua Ntej:Ntsuas radial runout thaum slider kev txav nrog lub xov tooj hu tau. Tus nqi ib txwm muaj dua lossis sib npaug rau 0.01mm. Yog tias khiav tawm ntau dua 0.03mm, kev ntsuas ua ntej qhia txog cov teeb meem precision nrog rau kev qhia kev tsheb ciav hlau lossis swb.

Thib ob, cov txheej txheem kev kuaj mob ua rau cov txheej txheem tawm mus Axis swb {}}}}}}}}}}}
Tom qab ua txhaum kev cai qhia txog kev ua tiav, ua raws li kev kuaj xyuas "kev soj ntsuam → remassembly analysis based cause}}}}}}}}}}}}}}}}}}}}}} Kev kuaj mob, tsis txhob saib txog cov teeb meem muaj peev xwm saib tsis taus.

Txhua kauj ruam muaj cov qauv kev ua haujlwm meej:
1. Kev soj ntsuam sab nraud loj heev - elating "pom kev" ua txhaum
Kev soj ntsuam sab npoo ntawm kev kuaj mob, txheeb xyuas yooj yim cov teeb meem los ntawm kev pom kev, lub siab tawv. Cov ntsiab lus tseem ceeb muaj xws li:
Kev Ntsuam Xyuas Pom:
Qhia Kev Rail Deg:Check for scratches (depth >0.05mm requires attention), rust (area >3% xav kho), thiab cov khoom txawv teb chaws. Tsom rau kev qhia kev tsheb ciav hlau zawj thiab cov ntsaws ruaj ruaj.

Lubrication Cov Kab Mob:Saib seb puas muaj roj yog tusyees faib khoom (cov lus qhia kev tsheb ciav hlau), kos rau kom qhuav (xim hloov ntawm lub teeb daj rau dub), lossis paug nrog impurities;
Qhov chaw mounting:Soj ntsuam seb phau ntawv qhia kev sib tw txhim kho bolts yog xoob thiab seb puas muaj qhov khoob ntawm lub chaw mounting;

Soj ntsuam tactection tactting:
Thawb tus swb:Xav tias cov tsis kam yog hnav khaub ncaws zoo, thiab tshawb xyuas rau cov khoom siv tsis pom lossis tsis muaj suab nrov. Nyob rau hauv ib txwm muaj mob, tsis kam yuav tsum tau du yam tsis muaj kev nce sai sai lossis tsawg dua.

Kov Cov Lus Qhia Rail Dail:Tshawb xyuas qhov tsis sib xws (khiav koj cov ntiv tes hla nws;

Kev soj ntsuam:
Tsis muaj {- kev lag luam load:Pib cov khoom siv thiab khiav lubKev Qhia Kev Rail NcejNyob rau hauv tsis muaj load. Tso rau hauv lub ntsej muag Stethoscope ze rau ntawm Slider los mloog cov suab nrov txawv txawv (qib qis dua lossis sib npaug ntawm 65dB). Sau qhov chaw nyob thiab cov zaus ntawm ib lub suab txawv txawv.

Kev ua haujlwm thauj khoom:Thov 50% -80% ntawm cov neeg ntsuas ntsuas. Saib xyuas yog tias lub suab nrov. Yog hais tias lub suab nrov ua kom nrov dua nyob rau hauv kev nce ntxiv thauj, nws yuav qhia tau muaj peev xwm tsis txaus lossis kev hnav.

2. Kev soj ntsuam cov cuab yeej tshuaj -} Qhov tseeb cov ntaub ntawv pov thawj ntawm kev ua txhaum
Tom qab kev tshuaj xyuas pom, siv cov cuab yeej tshwj xeeb kom tau txais cov ntaub ntawv ntau, tshem tawm cov kev txiav txim siab "yuam kev. Cov cuab yeej tshuaj xyuas thiab cov khoom muaj raws li hauv qab no:
Tshuaj xyuas:Dial Qhov Ntsuas / Micrometer / Laser Interferometer
Kev soj ntsuam parallelism:
Tuam:Dial qhia (qhov tseeb 0.01 hli), sib nqus puag;
Kev ua haujlwm: Muaj kev nyab xeeb lub Dial Qhov taw qhia mus rau swb thaiv nrog tus pointer kov qhov chaw siv. Txav mus rau lub swb thaiv los ntawm nws cov lus tsa suab tag nrho, cov ntaube sau cov lus qhia kev nyeem. Parallelism yuam kev=} qhov siab tshaj plaws nyeem- Cov ntawv nyeem tsawg kawg. Kev ua siab loj tsawg dua lossis sib npaug rau 0.05mm / m. Tshaj kev siv nyiaj yuav tsum tau kho cov npoo av mounting.

Radial Runial Tshuaj Ntsuam Xyuas:
Tuam:Dial qhia (qhov tseeb 0.001 hli);
Tus txheej txheem:Ruaj ntseg lub pial ntsuas mus rau cov khoom siv thav duab nrog tus pointer kov tusKev Qhia Kev Rail Ncejsab. Kev tig tau tig cov lus qhia kev tsheb nqaj hlau lossis txav cov swb thaiv, sau cov nqi rungout. Tus nqi ib txwm muaj dua lossis sib npaug rau 0.01mm. Yog tshaj 0.03mm, tshawb xyuas cov lus qhia kev tsheb nqaj hlau ncej rau khoov;
Kev soj ntsuam qhov tseeb:
Tuam:Laser cuam tshuam (qhov tseeb ± 0.5μm);
Tus txheej txheem:Raws li cov cuab yeej ua txoj hauj lwm tau ua tiav, tshawb xyuas qhov ua yuam kev ntawm cov swb ntawm cov haujlwm sib txawv. Yog hais tias tus rov ua haujlwm ua yuam kev ntau dua 0.02mm, xyuas cov ntawv qhia kev tsheb ciav hlau tshem tawm lossis Preload.

Kev kuaj tiv thaiv: Siv lub caij nplooj ntoos hlav teev / quab yuam ntsuas
Tuam:Digital caij nplooj ntoos hlav tshuav (qhov tseeb 0.1n);
Tus txheej txheem:Txuas lub caij nplooj ntoos hlav sib npaug hook rau slider. Thawb lub vias ntawm qhov nrawm nrawm thiab sau cov nqi tiv taus thoob plaws kev txav. Nyob rau hauv ib txwm mob, resistinance hloov pauv yuav tsum tsawg dua los yog sib npaug rau 5n. Yog tias tiv taus dheev nce mus rau ntau tshaj 20n hauv ntu tshwj xeeb, tshuaj xyuas cov lus qhia kev tsheb nqaj hlau lossis sab hauv sab hauv thaj chaw ntawd.

Lubrication / tshuaj ntsuam xyuas: siv roj av anelyzer
Cov cuab yeej: Portable grease analyzer
Tus txheej txheem:Rho tawm ib qho me me ntawm cov roj ntawm cov kab sab hauv. Tso nws rau hauv tus kws tshuaj ntsuam kom ntsuas cov ntsiab lus paug (qis dua lossis sib npaug nrog 0.1% thiab cov ntsiab lus noo noo) thiab muaj sib npaug rau 0.05%). Yog tias cov ncauj lus paug tsis tau 0.5%, puas yuav tau tso cov khoom noj kom tsis huv. Hloov cov ntsaws ruaj ruaj thiab ntxuav cov lus qhia kev tsheb nqaj hlau.

3. Rho tawm cov ntawv pov thawj - hauv - Qhov tob soj xyuas ntawm sab hauv cov khoom (yog tias tsim nyog)
Yog tias kev soj ntsuam sab nto thiab cov cuab yeej kuaj tseem tsis tau txheeb xyuas lub hauv paus ua rau, rhuav tshem cov swb (tsuas yog los ntawm cov neeg ua haujlwm tsim nyog)
Ua ntej -} tshem tawm kev npaj npaj:
Ntxuav cov kab hlau ciav hlau thiab swb rau saum npoo kom tiv thaiv kom tsis txhob muaj cov kab mob kom tsis txhob muaj kev cuam tshuam;
Sau cov slider cov kev teeb tsa teeb tsa kom tsis txhob reassembly;
Kev soj ntsuam sab hauv:
Cov pob / cov menyuam:Tshawb xyuas cov hnav (pitting, khawb), deformation, lossis corrosion. Hloov cov swb yog tias ntau dua 10% ntawm cov pob muaj puas.

Rada:Tshawb xyuas cov hnav (thaj chaw tsis ncaj) lossis spalling (hlau npoo npoo) ntawm kev sib tw sab hauv. Pov tseg cov kab slider yog tias raceways raug puas ntsoog.

Tawb:Tshawb xyuas rau pob txha lov, deformation, lossis ntau dhau looseness txheeb ze rau cov pob (pob txav dawb). Cov tawb puas ua rau pob yuam kev thiab yuav tsum hloov.

Daim fab:Check dust lips for wear (thickness reduction >0.5 hli), tawg, los yog poob ntawm elasticity (tsis ua haujlwm rau rov ua haujlwm tom qab compression). Hloov cov ntsaws ruaj ruaj kom tiv thaiv kom tsis txhob muaj kev sib kis tau.

Thib peb, kuaj mob ua kom pom tseeb rau kab sib txawv ntawm cov qauv sib txawv ncej
Qhia sib txawv ntawm cov qauv sib txawv ntawm cov qauv kev pheej hmoo thiab tsis muaj kev pheej hmoo, xav tau kev kuaj mob qhov kev kuaj mob:
1. Pob linear qhia kev qhia -} focus focus on rau pob thiab Raceway hnav
Cov khoom tsis txaus:Pob coj, Raceway spalling, tawb pob tawb, feem ntau tshwm sim los ntawm kev tsis txaus lubrication lossis overload.
Kev kuaj mob:
Tus kheej tig lub swb thaiv kom pom tias "sticking overning" (pob tw "(lub suab nrov txawv (pob sib tsoo nrog hnav raceways).

After disassembly, inspect ball surfaces for pitting (depth >0.01mm yuav tsum hloov) thiab kos radews rau cov cim sib chwv tsis zoo.

2. Cov menyuam tawm ntawm cov lus qhia -}}}} focus on ntawm parallelism thiab load faib
Cov khoom tsis txaus:Tsis ncaj rau cov menyuam cov menyuam hnav, coj kev sib txawv, feem ntau tshwm sim los ntawm kev teeb tsa tsis raug lossis tib {} {sab overload.
Kev kuaj mob:
Siv tus lej xov tooj los tshawb xyuas Phau Ntawv Qhia Kev Ua Yeeb Yam; Kev sib txawv ua rau cov menyuam thauj khoom tsis ncaj.
Ntsuas slider zog kuj. Kev tawm tsam rau cov menyuam yaus yuav tsum siab dua pob cov lus qhia (kwv yees}}}}} Qhov tseem ceeb tiv thaiv kev hloov pauv tsis ncaj qha rau cov menyuam yaus tsis ncaj.

3. Dovetail Groove Linear Guides - Focus on Clearance and Lubrication
Cov khoom tsis txaus:Kev tshem tawm ntau dhau los (txo qhov chaw raug), tsis muaj kev cuam tshuam tsis tau (nce ntxiv), feem ntau tshwm sim los ntawm kev hloov kho tsis raug lossis kev sib cais.

Kev kuaj mob:
Siv cov koob tshuaj tiv thaiv zoo los xyuas cov kev pom zoo ntawm kev zeemetail thiab slider (ib txwm tsawg dua lossis sib npaug rau 0.02mm). Kev tshem tawm ntau dhau yuav tsum tau hloov kho cov ntxig.
Surch lubrication raws li kev txwv. Lub zovetail groove cov qauv tsim tsim cov arice muaj lubrice muaj sia muaj sia muaj sia muaj suab thaj; Ua ntej tshaj tawm kev zawj hauv qab thiab ob sab.

Plaub: Kho thiab Tiv Thaiv Cov Lus Pom Zoo raws li kev kuaj txhaum
Tom qab ua txhaum txhaum kev kuaj mob, siv lub hom phiaj kho thaum tsim kev tiv thaiv kev tiv thaiv kom tsis txhob muaj kev rov qab:
1. Cov hau kev tsis ua haujlwm tsis ua haujlwm
Suab nrov / Tshuav (tshwm sim los ntawm kev paug):
Kev kho:Huv qhia cov tsheb ciav hlau ciav hlau thiab swb thaiv cov kev sib zog nrog cawv kom tshem tawm cov paug tsis tau. Hloov cov ntsaws ruaj ruaj thiab rov ua daim ntawv rov ua tau zoo heev roj.

Qhov tseeb kev puas tsuaj (teeb meem teeb meem):
Kho:Kho kom muaj kev qhia txog Rail parallelism (tsawg dua los yog sib npaug rau 0.05mm / m) siv cov cuab yeej laser sib txawv. Re - ceev kho kho bolts kom teev torque. Yog hais tias mounting nto yog recessed, ntxiv shims (0.01-0.1mm tuab) rau theem.

Hnav / corrosion (ib puag ncig tsis txaus ntseeg / kev nyuaj siab ib puag ncig):
Kho:Minor wear (≤0.01mm) can be restored by grinding the guide surface (roughness Ra≤0.8μm). Severe wear (>0.05mm) yuav tsum tau hloov cov lus qhia lossis swb. Xuab zeb Rusted thaj chaw nrog cov xuab zeb zoo (800 grit lossis siab dua) thiab thov xeb {}} Tsis muaj . 30 tshuab roj).

Cov tsis zoo lubrication:
Kho:Tshem tawm cov roj av qhuav, cov lus qhia tu kom huv si thiab cov khau khiab nrog kerosene, tom qab ntawv rov ua dua roj.

2. Kev tiv thaiv kev ntsuas - reducing tsis ua hauj lwm
Sijhawm txij nkawm:
Lubrication:Rov qab siv roj ib 3 lub hlis nyob rau hauv ib txwm muaj; txhua hli nyob rau hauv high - kub / plua plav / vaum tej xwm txheej. Sau lub sijhawm lub ncauj lus thiab ntau.

Tu:Txhua lub limtiam tu cov kev qhia cov hlua coj; Kev tshem tawm txhua hli ntawm cov khib nyiab los ntawm kev qhia kev tsheb sib txuas uas siv cov cua compressed (0.4-0.6mpa kom tsis txhob muaj kev sib txuam;
Tshuaj xyuas:Kev kuaj xyuas txhua hli (suab nrov txawv, tsos); Peb lub hlis twg precision kuaj nrog cov cuab yeej (parallelism, tiv taus); txhua xyoo disassembly tshuaj xyuas ntawm cov khoom siv sab hauv (cov khoom tseem ceeb xwb);
Kev tiv thaiv ib puag ncig:
Cov chaw plua plav:Txhim kho cov kaus poom lossis cov hmoov av hlau npog (IP54 lossis cov kev tiv thaiv plua plav siab dua). Nquag tshawb xyuas cov plua plav npog rau kev puas tsuaj.

Thaj tsam huab:Thov xeb -} Kev tiv thaiv cov roj los qhia cov chaw tsheb ciav hlau. Xaiv stainless hlau (304 lossis 316) rau cov sliders. Siv cov fluororububber (av noo - tiv taus).
Siab -} Qhov chaw ntsuas kub: Xaiv siab siab {1} -}} {rax resistant phau ntawv qhia kev sib tw. Siv siab - kub roj.

Ntsaws tswj:
Tsis txhob overloading:Lub nra tiag yuav tsum tsis pub dhau 80% ntawm cov lus qhia Rail cov ntsuas ntsuas cov nqi zog ruaj khov; tiv thaiv kev cuam tshuam nquag tsim.

Uniform load faib:Xyuas kom muaj kev thauj khoom ua hauj lwm nyob rau hauv lub vias kom tsis txhob muaj kev ntxhov siab tsis muaj kev ntxhov siab.

Thib tsib, Ntsiab Lus:Cov tub ntxhais kawm tub ntxhais ntawm cov kab ntawv qhia kev kuaj pom kev kuaj kab mob kev kuaj mob- "los ntawm cov tsos mob rau cov hauv paus ua rau, los ntawm kev nrhiav kom tiv thaiv"
Kev kuaj cov kab ntawv swb tsis yog hais txog "kev kwv yees raws li kev paub," tab sis tom qab lub kaw lus kaw:"Soj ntsuam xyuas cov tsos mob → kev ntsuam xyuas → soj ntsuam lub hauv paus ua rau → kho thiab tiv thaiv." Siv "mloog, saib, thiab kov" kom paub txog kev ua txhaum cai. Txheeb xyuas nrog cov ntaub ntawv ntau ntawm cov cuab yeej tshaj lij.

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