Cov lus qhia ntawm "Yuav ua li cas Master Roller Bearing Failure Analysis" tsom mus rau yuav ua li cas los txiav txim lub hauv paus ua rau kev puas tsuaj los ntawm kev txhais cov tsos mob thaum ntxov- xws li suab, cua sov, kev vibration, roj to, thiab hnav- ua kom cov kws tshaj lij txheeb xyuas cov kev ua tsis tiav ua ntej lawv nce mus rau qhov xwm txheej loj xws li "Pizza Cutter" theem.
Taw Qhia: Yam Koj Yuav Kawm Hauv Phau Ntawv Qhia no
Kev kuaj pom cov kabmob tsis ua haujlwm yuav ua rau kwv yees tau-tsis ua haujlwm- thaum koj nkag siab cov cim qhia rau cov menyuam ua ntej ua tsis tiav. Cov kab lus no muab cov qauv ua tiav, cov tswv yim los pab pawg saib xyuas sai sai txheeb xyuas cov menyuam bearing hnav, txhais cov suab nrov ntawm cov kabmob idler, thiab paub meej tias lub hauv paus ua haujlwm.
Critical Roller Bearing Failure Modes
Abrasive muab tshuaj txhuam los ntawm kev sib nqus sib nqus hauv cov kabmob.
Cov khoom tsis xws luag: carbon-steel ball, soft retainers.
Txhim kho tsis raug brineling.
Kev tawg, corrosion ntawm sealing, thiab ingress ntawm dej.
Internal tsis ncaj ncees lawm internal clearance thermal runaway.
Plhaub vau thiab stagnant rollers, uas ua rau txoj siv slicing.
Yuav Tshawb Nrhiav Cov Menyuam Bearing Failure Thaum Ntxov
Kev tshuaj xyuas keeb kwm (load, ceev, qhov chaw tsis ua haujlwm, cov qauv raws caij nyoog) cov ntaub ntawv.
Kev soj ntsuam nrog kev xaav ntawm xuav, nyem, qw, thiab ntsiag to.
Kev kuaj pom cov roj to, hnav tsis tu ncua, thiab lub plhaub puas.
Cov qauv ntawm tus cwj pwm thermal uas qhia txog teeb meem nrog kev tshem tawm lossis lubrication.
Kev kuaj mob thiab txheeb xyuas qhov ua rau hauv paus
Clearance ntsuas thiab tolerance ntsuas.
Ntau zaus- sib piv cov suab nrov tsom xam.
Kev kuaj xyuas lub foob -code (C3, C4 clearance)
Hardness (kev ntsuam xyuas) (GCr15 vs tsis zoo hloov pauv)
Runout, nto roughness, thiab sib dhos txheej txheem soj ntsuam.
Kev kuaj roj (emulsification, oxidation, paug)
Yuav ua li cas kom tsis txhob ua tsis tiav thiab ua kom cov menyuam lub neej
Kev txhim kho ntawm cov qauv tsim thiab cov khoom hauv tawb.
Xaiv cov ntaub ntawv zoo dua metallurgy.
Standardizing procurement specifications ntawm bearings thiab seals.
Kev tshem tawm ntau tshaj - roj av thiab siv tsis raug ntawm kev kaw - rau - lub neej rollers.
Benchmarking idler roller cov chaw muag khoom siv cov ntaub ntawv tshuaj xyuas.
Dab tsi yog Qhov Tseem Ceeb Cov Menyuam Bearing Failure Hom?
Kev tshuaj xyuas cov menyuam bearing tsis ua haujlwm hom hauv kev siv conveyor idler yuav tsum lees paub tias qhov chaw ua haujlwm feem ntau hais txog qhov tsis ua haujlwm. Kev nkag siab txog cov txheej txheem ntawm cov menyuam bearing tsis ua haujlwm yog qhov tseem ceeb. Idler bearings ua tsis tau vim yog ingress thiab paug los ntawm ib puag ncig, tsis zoo li bearings nyob rau hauv siab -precision, kaw machinery. Classic qaug zog (L10 lub neej) yog hom tsis ua haujlwm feem ntau, thiab nws tsuas yog tom qab ntau lub sijhawm (feem ntau ntev dua li lawv cov kev txwv qaug zog) ua cov kabmob pib ua tiav.
Cov txheej txheem tseem ceeb ntawm cov menyuam bearing tsis ua haujlwm tuaj yeem muab faib ua plaub pawg sib txawv: Kev sib kis thiab kev hnav tsis zoo, kev puas tsuaj rau cov khoom siv (Nruab thiab cov khoom siv), Thermal Stress, thiab Environmental Ingress.
Cov ntaub ntawv txheeb cais qhia txog qhov tsim nyog ntawm kev txiav cov menyuam bearing tsis ua hauj lwm tsom xam rau daim ntawv thov. Rau kev nqa idlers, uas dais tag nrho qhov hnyav ntawm lub load, idler bearing suab nrov yog thawj qhov laj thawj rau kev hloov, suav txog ze li ntawm 75% ntawm kev hloov pauv tau txheeb xyuas hauv ib txoj kev tshawb fawb loj. Nws txhais tau hais tias cov neeg ua txhaum cai tseem ceeb hauv cov haujlwm no yog cov teeb meem ntawm kev thauj khoom, xws li kev puas tsuaj ntawm cov khoom, cov khoom siv tsis zoo, thiab kev sib kis loj. Hloov pauv, rau cov neeg rov qab los, uas feem ntau sib cav nrog cov khoom siv tsis zoo uas ua raws li txoj siv sia, abrasive roller bearing hnav thiab lub cev qaug dab peg yog qhov ua rau hloov pauv (62% vim hnav), qhia tias kev sib khi ruaj khov yog qhov tseem ceeb ntawm kev tsim qauv. Kev soj ntsuam yuav tsum yog nyob ntawm txoj haujlwm nrog kev txhawj xeeb tshwj xeeb ntawm cov khoom siv ncaj ncees thiab kev txhim kho ntawm cov nqa khoom, thiab kev sib khi zoo ntawm cov khoom xa rov qab.
Cov lus hauv qab no muab kev ceev -reference "Triage Card" rau tam sim no bearing tsis ua hauj lwm nrhiav pom thiab ua ntej.
Failure Mode Triage Card
|
Cov tsos mob |
Auditory/Visual Cue |
Kev pheej hmoo tam sim |
Actionable Kauj ruam (Triage) |
|
Contamination / Abrasive Hnav |
Gravelly "sib tsoo" lossis "Growling" suab nrov; Tsaus, Gritty Grease |
Cov Menyuam Bearing Ua Tsis Taus Ua Ntej; Rapid Degradation |
Tshem tawm tam sim ntawd; Tshawb xyuas cov khoom sib nqus; Saib xyuas tus neeg muag khoom demagnetization ntawv pov thawj. |
|
Installation/Manufacturing Defect |
Rhythmic Clicking lossis Thumping; Qhov sib npaug spaced Indentations (Brinelling) |
Kev vibration puas tsuaj; Thaum ntxov Spalling Fatigue |
Xyuas cov ntaub ntawv installation; Tshawb xyuas cov chaw tsim khoom TIR thiab cov ntawv ceeb toom roughness. |
|
Teeb meem Thermal/Clearance |
Roller Seizes Hot ($>60^\\circ\\text{C}$); Roller Spins Dawb Txias |
Thermal Runaway; Hluav taws kub; Sudden Catastrophic roller bearing tsis ua haujlwm |
Paub meej C3 / C4 Internal Clearance specification; Kev soj ntsuam greasing raws tu qauv. |
|
Environmental Ingress |
Rusty los yog Milky Grease Leakage; Pitting Corrosion Marks |
Lubricant tawg; Sab hauv Corrosion |
Hloov kho mus rau Multi-Labyrinth Seals; Tshawb xyuas uninstalled Tshuag rau kev tu cev. |
Yuav Ua Li Cas Master Roller Bearing Failure Detection?
Kev kuaj pom muaj txiaj ntsig tsis zoo siv cov txheej txheem engineering mus kom ze, txav los ntawm macro-cov ntaub ntawv ntsuas qib mus rau qhov ntsuas qhov ntsuas thiab ntsuas ntsuas.
Dab tsi yog vim li cas thiaj pib nrog cov ntaub ntawv ua tsis tiav yav dhau los?
Cov kws tshaj lij thiab cov thawj coj yuav tsum tuav qhov xwm txheej ua ntej tuav lub cuab yeej. Cov menyuam kabmob tsis ua haujlwm tsis tshua muaj qhov xwm txheej cais; Nws feem ntau yog cov tsos mob ntawm qhov tsis zoo hauv kev tsim, kev yuav khoom, lossis kev saib xyuas raws tu qauv.
Kev sau thiab txheeb xyuas cov haujlwm ua haujlwm yog thawj kauj ruam tseem ceeb hauv kev txheeb xyuas cov menyuam bearing tsis ua haujlwm. Nws yog ib qho tsim nyog los sau qhov ib puag ncig tam sim ntawd ntawm cov kabmob, tab sis kuj muaj qhov txawv txav sab nraud:
- Cov xwm txheej ntawm kev ua haujlwm: Cov ntaub ntawv ntxaws ntxaws ntawm kev ua haujlwm ceev, CEMA load ntsuas, ambient kub, qhov zoo ntawm lubrication siv, thiab muaj ib puag ncig tej yam kev mob xws li kev nyab xeeb ntub dej, thauj khoom ntawm plua plav, lossis ntxuav cov voj voog.
- Keeb kwm ntawm qhov system: Cov ntaub ntawv khaws cia yuav tsum tau sab laj los txiav txim seb cov qauv rov tshwm sim. Puas yog qhov tsis ua haujlwm nyob rau thaj chaw tshwj xeeb ntawm cov khoom thauj (piv txwv li, qhov siab - cuam tshuam chaw thau khoom)? Puas yog qhov ua tsis tiav ntawm lub sijhawm kwv yees, piv txwv li, nws tshwm sim tom qab lub caij ntub dej lossis cov txheej txheem ntxuav tseem ceeb? Puas yog qhov tsis ua haujlwm tshwj xeeb rau ib pawg tshwj xeeb lossis hom ntawm cov khoom siv conveyor idler cov menyuam?
Lub hom phiaj yog txav los ntawm kev kho cov tsos mob mus rau kev txheeb xyuas cov hauv paus tsis zoo, uas yog qhov tseeb ntawm cov menyuam bearing tsis ua haujlwm. Kev sib piv ntawm cov tsos mob tshwm sim tsis zoo (lub suab nrov txawv txav, kev vibration, lossis kub spikes) thiab cov ntaub ntawv ua haujlwm nruj ua rau nws muaj peev xwm zam kom tsis txhob muaj qhov tsis xws luag thiab lub cev - qhov tsis xws luag, uas yog qhov tseem ceeb rau kev txo qis.
Dab tsi tuaj yeem kawm tau los ntawm Kev Tshawb Fawb Kev Pom Zoo thiab Kev Tshawb Fawb?
Thaum cov keeb kwm raug tshuaj xyuas, pab pawg hauv cheeb tsam siv lawv qhov kev nkag siab ua cov cuab yeej tseem ceeb rau kev kuaj pom qhov tsis ua hauj lwm pib. Qhov kev hnov lus no yog siv los siv cov kev kuaj mob nyuaj dua.
Auditory Cov
Idler bearing suab nrov muab cov lus qhia tshwj xeeb txog kev puas tsuaj hauv lub tshuab. Lub siab - suab nrov qhia tau hais tias lub foob qhuav los yog tshem tawm cov roj thaum ntxov yog ib qho cim ntawm lub suab nrov nrov.
- Lub Whistle: Qhov no yog ib lub suab nrov nrov, uas feem ntau qhia txog lub foob qhuav los yog tshem tawm cov roj ua ntej. Txawm hais tias lub foob qhuav tsis muaj kev puas tsuaj tam sim ntawd, nws yog qhov ua ntej ntawm kev foob tsis ua haujlwm, thiab foob tsis ua haujlwm yog lwm qhov ua ntej ntawm kev cuam tshuam ib puag ncig.
- Nyem / Thump: Nws yog lub suab sib dhos uas sib txuam nrog kev sib hloov ceev. Nws yuav luag ib txwm qhia txog kev puas tsuaj mus tas li, piv txwv li, qhov tawg tawg lossis cov cim ntawm (Brinelling) ntawm qhov chaw sib tw.
- Lub Growl: Ib qho kev sib sib zog nqus, suab nrov gravelly qhia txog kev ua kom zoo rau cov menyuam bearing hnav lossis cov khoom sib kis tseem ceeb. Nws txhais tau hais tias cov roj barrier puas lawm, thiab cov khoom hlau yog rub tawm tsam cov khib nyiab ntawm cov abrasives.
- Lub Silence: Suab nkauj kho siab tshaj. Kev poob qis hauv idler bearing suab nrov txhais tau hais tias lub conveyor idler cov menyuam tau tso tseg kev sib hloov, ua rau lub plhaub tag nrho. Qhov no instantly tsim ib qho kev sib txhuam hotspot thiab ua rau muaj kev hem thawj ntawm thermal ignition.
Cov pov thawj ntawm lub cev
Kev soj ntsuam ua pov thawj qhov kev puas tsuaj ntawm ib puag ncig thiab kev tsis sib haum xeeb.
- Roj hws: Tsaus, ntub, tsis muaj xim nyob ib ncig ntawm lub foob qhia tias tsis ua tiav cov foob thiab roj lossis kub dhau. Kev nkag mus hauv dej thiab qhov pib ntawm kev txhim kho sab hauv tuaj yeem pom tau yooj yim los ntawm qhov muaj cov kua mis los yog xeb tawm.
- Hnav Cov Qauv: Kev hnav tsis sib xws ntawm ib sab ntawm lub plhaub los yog thav duab qhia thav duab misalignment lossis kev taug qab txoj siv tsis zoo, uas ua rau cov kabmob tsis yog - radial loads, nrawm nrawm rau cov menyuam bearing hnav.
Cov kev nkag siab zoo no tso cai rau tus kws tshaj lij kom sai "triage" lub conveyor, tagging xav tias rollers rau cov ncauj lus kom ntxaws soj ntsuam kom paub meej tias lub hauv paus ua rau tshwj xeeb rau cov menyuam kabmob tsis ua haujlwm.
Yuav Ua Li Cas Ntsuam Xyuas Cov Menyuam Bearing Failure Cov tsos mob?
Kev soj ntsuam zoo rau cov menyuam bearing tsis ua haujlwm yuav tsum tau xyuas kom meej meej. Ib qho kev mob tshwm sim tuaj yeem tshwm sim los ntawm ntau yam kabmob uas tsis ua haujlwm. Qhov kev tshuaj ntsuam muab qhia txog cov txheej txheem pov thawj uas yuav tsum tau ua raws li txhawm rau txheeb xyuas cov kev ua tsis tiav tshwj xeeb kom tsis txhob muaj kev kho nqi kim lossis yuam kev.
Vim li cas kuv tus neeg ua haujlwm ua suab nrov?
Lub xub ntiag ntawm idler bearing nrov nrov feem ntau taw qhia rau kev puas tsuaj rau cov khoom siv sab hauv lossis cov kab mob loj heev, ua rau cov menyuam yaus abrasive hnav.
Cov tsos mob Subtype: Gravelly "Growling" lossis "sib tsoo" suab
Kauj Ruam 1: Tshawb xyuas qhov Ua Tau Zoo
Lub suab no yuav tsum tau kuaj xyuas lub cev thiab kuaj cov khoom. Qhov kawg ncej yuav tsum tau ntsuas nrog ib tug handheld Gauss meter los txiav txim siab npaum li cas magnetism nyob, thiab cov bearings puas yuav tsum tau txiav los mus soj ntsuam cov khoom thiab ua ib tug Rockwell Hardness xeem.
Kev tshuaj xyuas qhov txawv txav
| Kev tsom xam | Magnetic Contamination |
"Fake" cov ntaub ntawv |
| Keeb kwm | Residual magnetism induced nyob rau hauv machining, sib tsoo, los yog kev kho cua sov yog tsis txaus tshem tawm thaum lub sij hawm tsim khoom. Ib feem magnetized rau 25-35 Gauss tuaj yeem ua rau nws nyiam ferromagnetic residues. | Tsawg- cov khoom zoo, suav nrog cov pob lossis cov khoom khaws cia, ntawm tus nqi qis- nqi, qis dua - carbon carbon steel ntau dua li cov qauv thoob ntiaj teb, siab -carbon chromium bearing steel, GCr15 (sib npaug rau AISI 52100). |
| Qhov tshwm sim | Cov hlau nplaum no yog cov plua plav plua plav uas rub cov hlau zoo thiab cov khoom abrasive sab nraum cov ntsaws ruaj ruaj thiab mus rau hauv qhov chaw lubrication. Cov khoom no ces sib tov nrog cov roj los tsim cov tshuaj txhuam hniav zoo heev, ua kom nrawm nrawm thiab hnav hauv qhov chaw sib tw. Qhov no ua rau nrawm nrawm rau cov menyuam kabmob hnav thiab ua rau cov menyuam yaus tsis ua haujlwm ntxov ntxov. | Standard GCr15 steel muaj HRC 60-65, uas yuav tsum tau tiv taus kev ntxhov siab heev. Yog tias cov khoom raug hloov nrog cov hlau softer, cov khoom siv sab hauv deform sai sai hauv kev thauj khoom, ua rau cov channel tawg, kev ua si sab hauv ntau dhau, thiab ua kom cov menyuam bearing tsis ua haujlwm. |
| Kev daws teeb meem tshwj xeeb | Cov kev qhia tshwj xeeb yuav tsum tau hloov kho kom nws nruj rau demagnetization. Cov neeg muag khoom yuav tsum tau lees paub cov txheej txheem ntxuav thiab demagnetization, ua pov thawj tias cov hlau nplaum seem ntawm cov kabmob tsis pub dhau 3 Gauss. Qhov no tiv thaiv qhov tseem ceeb ntawm cov menyuam bearing tsis ua haujlwm hauv qhov system conveyor. | Tus neeg muag khoom muab Daim Ntawv Qhia Txog Cov Khoom Siv Xav Tau (MTRs), uas lav tias siv GCr15 steel. Qhia Txog Kev Tswj Xyuas Kev Tswj Xyuas Zoo (QC), uas suav nrog qhov kev txheeb xyuas qhov nyuaj ntawm qhov tsis sib xws- kuaj xyuas ntawm cov khoom tau txais los txo qhov kev pheej hmoo loj ntawm cov khoom cuav lossis sub- specification bearings. |
Cov tsos mob Subtype: Rhythmic clicking lossis thumping
Kauj Ruam 1: Txiav Txim Qhov Tseeb Tseeb
Ib tug thumping nyob rau hauv ib cheeb tsam yog cov tsos mob ntawm lub zos raug mob. Disassembling yog xav tau los soj ntsuam tus qauv ntawm kev puas tsuaj hauv txoj kev sib tw. Mechanical impact (Brinelling) yog qhia los ntawm indentations sib cais los ntawm lub pob meej lub sij hawm, whereas random roughness qhia ib tug tsis xws luag ntawm kev tsim khoom.
Kev tshuaj xyuas qhov txawv txav
| Kev tsom xam | Kev puas tsuaj | Production Fault |
| Keeb kwm | Qhov no yog ib qho kev tsis sib haum xeeb ntawm cov menyuam bearing uas tshwm sim los ntawm kev siv tsis raug, xws li siv rauj lossis brute quab yuam los zaum ntawm cov kabmob rau hauv lub tsev lossis mus rau ntawm tus ncej. Qhov kev cuam tshuam no siv ntau dhau, tsis yog -ib puag ncig quab yuam, dhau ntawm cov hlau tawm lub zog thiab tsim cov dents mus tas li (Brinelling) hauv txoj kev sib tw. | Thaum lub sij hawm tsim khoom, cov kab bearing tuaj yeem ua tsis tiav hauv av lossis txawm tias tiav lawm. |
| Qhov tshwm sim | Thaum cov khoom dov mus hla cov pob zeb no, lub voj voog tsis zoo ntawm kev rov ua dua ntawm kev cuam tshuam, kev vibration, thiab suab nrov tau tshwm sim, ua rau ua rau qaug zog ntxov ntxov thiab tsis ua haujlwm. | Qhov tsis sib xws ntawm qhov kawg ua rau tsis tu ncua micro- vibrations, ua raws li kev ntxhov siab concentrators uas ua rau kom qaug zog ntawm qhov chaw thiab ua rau cov menyuam bearing tsis ua hauj lwm hom. |
| Kev daws teeb meem tshwj xeeb | Kev teeb tsa cov kabmob los ntawm kev siv rauj yuav tsum tsis txhob tso cai los ntawm nws cov txheej txheem tu. Yuav tsum tau siv cov cuab yeej tshwj xeeb, piv txwv li, hydraulic xovxwm-fitting cov cuab yeej, uas tsuas yog exert txawm lub siab ntawm lub nplhaib raug haum (lub nplhaib puab thaum fitting ib tug ncej, lub nplhaib sab nraud thaum haum lub tsev). | Nws yog ib qho tsim nyog yuav tsum nug cov chaw tsim khoom kom muab cov ntaub ntawv zoo uas tuaj yeem txheeb xyuas tau, xws li TIR (Tag Nrho Cov Lus Qhia Runout) cov ntawv ceeb toom thiab cov ntawv pov thawj ntawm qhov muaj nuj nqis ntawm qhov roughness. |
Vim Li Cas Kuv Tus Kheej Kub Kub?
Kev ua haujlwm siab kub yog ib qho ntawm qhov pom tseeb tshaj plaws ntawm kev sib txhuam hnyav thiab cov menyuam bearing tsis ua haujlwm. Qhov tseeb tias cov menyuam tau txais dawb thaum kub thiab fizzes thaum txias ncaj qha cuam tshuam rau cov teeb meem thermal dynamic.
Symptom Subtype: Seizes Hot (>60 degree) tab sis Spins Dawb Txias
Kauj Ruam 1: Tshawb xyuas qhov Tseeb Qhov Tseeb
Nws yog ib tug internal geometry compromise diagnostic kos npe tsis ua hauj lwm. Kev kuaj xyuas cov kabmob foob code ntawm lub ntsiab lus tshem tawm sab hauv (piv txwv li, C3 lossis C4) yog cov txheej txheem kuaj xyuas tseem ceeb.
Kev tshuaj xyuas qhov txawv txav
| Kev tsom xam | Tsis muaj Internal Clearance | Tshaj -Greating |
| Keeb kwm | Kev siv cov txheej txheem tshem tawm cov kabmob (C0 lossis CN clearance) hauv cov khoom siv conveyor idler cov menyuam sib dhos, uas ua haujlwm hauv qhov kub thiab txias lossis nqus cua sov los ntawm txoj siv conveyor. Idler daim ntawv thov xav tau qhov chaw ntxiv kom nthuav dav vim yog lub thermo. | Kev saib xyuas kev ua haujlwm uas txhaj roj ntau dhau (txog rau lub sijhawm ua kom cov kab noj hniav mus txog 100% puv) rau hauv cov kabmob. |
| Qhov tshwm sim | Qhov no ua rau Thermal Runaway. Raws li lub conveyor idler roller heats li, cov hlau rings nthuav. Qhov kev nthuav dav no yuav kaw qhov sib txawv uas tsis muaj kev tshem tawm sab hauv txaus (C3 lossis C4). Nws ua rau muaj kev sib cuag hnyav uas ua rau muaj kev sib txhuam loj heev. Qhov no yog ib qho tseem ceeb ntawm cov menyuam bearing tsis ua haujlwm nrog rau qhov hluav taws kub loj. Hom roller bearing tsis ua haujlwm yog tiv thaiv tau nrog cov lus qhia tseeb. | Cov roj ntau dhau ua rau dov ntawm cov ntsiab lus mus rau hauv cov kua nplaum nplaum thiab cov churning los ntawm nws, cov txheej txheem uas ua rau muaj kev sib txhuam ntau ntawm cov kua. Qhov kev tsis sib haum xeeb no yog hloov mus rau cua sov, uas ua rau lub cev tsis zoo ntawm cov roj nplua nyeem thiab poob ntawm viscosity. Heavy bearings paub tseeb tias overheat, tshwj xeeb tshaj yog thaum muaj kev kub ceev. |
| Kev daws teeb meem tshwj xeeb | C3 lossis C4 kev tshem tawm sab nraud yog xav tau ntawm txhua qhov kev txiav txim rau cov menyuam. Qhov no nce ntau dua li ib txwm tshem tawm 2 ua rau cov kabmob ua haujlwm tau zoo txawm tias muaj kev ua haujlwm siab thiab ib puag ncig kub yam tsis muaj thermal binding ua rau muaj kev puas tsuaj loj. | Cov txheej txheem txij nkawm: Thaum siv cov kab noj hniav hauv tsev, tsuas yog sau cov kab noj hniav kom txog 30-50% muaj peev xwm los txo qhov churning thiab ua kom muaj cua sov siab tshaj plaws. Txoj kev qhuab qhia no txo qis kev sib txhuam ntawm cov cua sov, ua kom lub neej ntev roj, thiab tiv thaiv kev ntxhov siab thermal, txo qhov tseem ceeb ntawm cov menyuam bearing tsis ua hauj lwm ua rau hauv cov khoom siv idler cov menyuam. |
Dab tsi yog Visual Signs nthuav tawm?
Kev tshuaj xyuas qhov pom ntawm cov pov thawj sab nraud ntawm kev cuam tshuam ib puag ncig thiab kev ua haujlwm ntawm kev ua haujlwm raug txiav txim siab.
Subtype ntawm Cov tsos mob: Rusty lossis Milky Grease Leakage
Kauj Ruam 1: Paub qhov tseeb ua rau
Cov kev tshawb pom ntawm rusty los yog milky to ntawm cov ntiv tes ua pov thawj tias dej tau pom nws txoj hauv kev rau hauv tes thiab cov roj nplua nyeem yog emulsified.
Kev tshuaj xyuas qhov txawv txav
| Kev tsom xam | Environmental Ingress | Kev Tu Siab Tsis Zoo |
| Keeb kwm | Dej thiab cov av noo nkag siab yog ib qho ua rau cov menyuam bearing tsis ua haujlwm ua rau hauv kev siv conveyor. Dej nkag mus rau hauv cov ntsaws ruaj ruaj, tshwj xeeb tshaj yog thaum cov menyuam hla dhau lub voj voog ua pa, thiab txias thaum hmo ntuj, yog li nyiam cov huab cua ntub. | Kev ntub dej, qias neeg, lossis ziab tawm thaum lub sijhawm ua cov kabmob ua rau cov dej seem seem yuav raug daig hauv cov kabmob kaw. |
| Qhov tshwm sim | Dej rhuav tshem cov roj tiv thaiv zaj duab xis ntawm cov hlau. Qhov no ua rau dov lub caij thiab nto etching corrosion thiab etching ntawm raceways. Corrosion, ua raws li tom qab spalling, drastic txo lub neej, kom cov menyuam bearing tsis ua hauj lwm tshwm sim ntev ua ntej nws qaug zog txwv. Tsis muaj kev cuam tshuam los ntawm kev siv thev naus laus zis zoo tshaj plaws hauv kev sib khi ntub dej lossis plua plav. Multi-Labyrinth Seals muaj txiaj ntsig zoo rau qhov hnyav, abrasive ib puag ncig uas muaj rau cov tshuab conveyor idler roller systems. | Cov kabmob muaj kev cuam tshuam sab hauv corrosion (xws li los ntawm sab hauv tawm) txawm tias ua ntej nws pib ua haujlwm, ua rau cov menyuam mos tuag tam sim no cov kabmob tsis ua haujlwm. |
| Kev daws teeb meem tshwj xeeb | Hloov Multi-Labyrinth Seals nrog cov ntaub thaiv dej sab nraud/flingers ntawm qhov chaw ntub dej. | Cov neeg xa khoom xav tau ua pov thawj ua raws li cov qauv kev sib dhos nruj, suav nrog kev siv tshuab ntxhua khaub ncaws thiab High-Temp Drying Lines los lav cov khoom yog noo noo- dawb ua ntej grease thiab zaum kawg sealing. |
Cov tsos mob Subtype: Roller Stopped
Kauj Ruam 1: Tshawb xyuas qhov tseeb
Ib tug nres conveyor idler cov menyuam yuav tsum tau tshuaj xyuas tam sim los txiav txim qhov chaw tsis ua hauj lwm (cov kabmob lossis lub plhaub).
Kev tshuaj xyuas qhov txawv txav
| Kev tsom xam | Internal qaug dab peg | Plhaub khoom ua tsis tiav |
| Keeb kwm | Cov roj tau ua kom ruaj khov los ntawm kev sib kis ntawm cov khoom siv, lossis lub tawb tau tawg. | Lub plhaub hlau yog softer dua li cov ore / cov khoom raug xa tawm, ua rau cov menyuam yaus hnav sai sai. |
| Qhov tshwm sim | Cov khoom sab hauv yog meshed ua ke, tiv thaiv lub plhaub. Ib txoj siv conveyor yuav swb rau saum lub plhaub tsis muaj zog, thiab ua kom cov hlau sai sai rau hauv nyias, tiaj tus ntug- qhov cuam tshuam loj heev hu ua Pizza Cutter. Kev puas tsuaj rau lub siab - tus nqi conveyor yog loj heev thiab sai sai, tshwm sim los ntawm qhov tsis ua hauj lwm mechanism. | Lub plhaub tau hnav mus txog thaum nws tawg lossis tawg, feem ntau ua rau cov kabmob vaj tse puas tsuaj, ua rau qaug dab peg thiab raug cov npoo ntse. |
| Kev daws teeb meem tshwj xeeb | Ib feem ntawm cov menyuam yuav tsum tau muab tshem tawm tam sim ntawd kom cawm tau lub tshuab siv conveyor. Ntev-lub sij hawm: Txhim kho rau cov kabmob nrog iav- fiber ntau reinforced nylon tawb (zoo dua resilience tiv thaiv sab hauv tsis ua hauj lwm, txo qhov kev pheej hmoo ntawm kev puas tsuaj rau cov menyuam bearing tsis ua hauj lwm hom). | HDPE (High-Density Polyethylene) cov menyuam sib xyaw. Yog tias HDPE cov menyuam txeeb tau, cov khoom siv softer yuav tsis txiav los yog rhuav tshem txoj siv conveyor, ua rau nws yog ib qho kev xaiv tseem ceeb rau ib puag ncig uas raug kev txom nyem los ntawm cov kab mob abrasive ntev ntev. |
Npaj kom tshem tawm Cov Menyuam Bearing Failure Ua rau?
Kev soj ntsuam zoo ntawm cov menyuam bearing tsis ua haujlwm yog hais txog kev txav ntawm "reactive panic" mus rau "kev tswj xyuas zoo." Los ntawm kev txiav txim siab cov menyuam bearing tsis ua haujlwm hauv paus ua rau xws li ib puag ncig, txheej txheem, lossis cov khoom siv, koj yuav tiv thaiv cov txheej txheem tsis tu ncua.
Tsis txhob cia ib tug pheej yig conveyor idler cov menyuam ua puas ib tug kim siv. Txawm hais tias koj xav tau kev cob qhia txog kev kuaj pom tsis ua haujlwm lossis xav tau qhov chaw cov menyuam muaj ntawv pov thawj nrog C3 tshem tawm, peb nyob ntawm no los pab.
Tus sau Profile
Li Hui, Tus Thawj Coj General ntawm Hebei Juxin Conveying Engineering Co., Ltd., yog tus thawj coj pom kev nrog kev txawj ntse hauv kev siv tshuab siv conveyor. Nws txoj kev taug tau pib los ntawm kev tsim Juxin Lub Chaw Haujlwm Saib Xyuas Kev Lag Luam Hauv Tebchaws, ua tiav qhov kev xa tawm zoo kawg nkaus uas tau txhawb nqa kev lag luam kev lag luam. Nrog rau kev paub tiag tiag - ntiaj teb kev paub, suav nrog hauv - kev tshawb fawb tob hauv kev lag luam thoob plaws rau lub teb chaws thiab tsim tsib ceg nyob txawv teb chaws, Li Hui nkag siab txog ntau hom kev tuav cov khoom siv thoob ntiaj teb. Nws txoj kev mob siab rau "kev lag luam noj qab haus huv," tsav Juxin kev hloov pauv rau cov ntaub ntawv- tsav kev tswj hwm, thiab ua R&D kev siv zog rau ntau hom kev siv tshuab ua kom pom tseeb tias nws muaj peev xwm txaus siab rau cov neeg siv cov ntsiab lus mob, muab cov tswv yim, kev xaiv cov khoom tshiab tshiab qhia kev pom thiab cov kev daws teeb meem zoo.
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