Raws li ib qho tseem ceeb consumable nyob rau hauv hluav taws xob motors, cov pa roj carbon txhuam hloov hluav taws xob tam sim no los ntawm qhov chaw nres tsheb ntawm lub cev muaj zog mus rau rotating commutator. Kev sib txhuam txhais tau tias hnav, thiab thaum nws hnav, koj lub cuab yeej tsis ua haujlwm. Kev kawm los tshuaj xyuas thiab hloov qhov no koj tus kheej tuaj yeem txuag koj cov nqi kho tseem ceeb thiab ua pa lub neej tshiab rau hauv koj cov cuab yeej ntseeg siab.
Tsis txhob tos kom txog thaum lub cuab yeej nres tag nrho. Saib xyuas peb lub cim ceeb toom no:
| Teeb liab | Koj Yuav Pom Dab Tsi | Nws txhais li cas |
|---|---|---|
| Kev ua haujlwm poob | Sluggish ceev, tsis muaj torque thaum drilling los yog txiav, los yog txawm stalling nyob rau hauv load. | Kev sib cuag tsis zoo ntawm tus txhuam hniav thiab commutator yog txwv tsis pub khiav tam sim no. |
| Tshaj Tawm | Pom lub nplhaib-zoo li xiav sparks los ntawm lub qhov cua (qhov me me yog qhov qub). | Kev txhuam hnyav hnyav los yog lub caij nplooj ntoos hlav tsis txaus. Yuav tsum tau saib xyuas tam sim ntawd. |
| Teem sijhawm soj ntsuam | Yog tias koj yog ib tus neeg siv hnyav (ua haujlwm tsis tu ncua txhua hnub), qhib lub kaus mom txhuam txhua 2-3 lub hlis rau kev kuaj pom - txawm tias lub cuab yeej zoo li zoo. | Kev tiv thaiv zoo dua li kho. |
Ib qho txhuam zoo sib xws tsis tas yuav yog ib qho sib xws. Qhov sib txawv ntawm 1mm txhais tau tias nws yuav tsis haum. Cov khoom tsis raug tuaj yeem hlawv koj lub cev muaj zog. Thaum yuav lub Carbon Txhuam Rau Cov Cuab Yeej Hluav Taws Xob, tsom rau ob lub ntsiab lus no:
Txoj kev nyab xeeb tshaj plaws: txheeb xyuas tus lej ntawm koj cov txhuam hniav qub, lossis sab laj cov npe hauv koj lub cuab yeej phau ntawv. Cov npe loj xws li Bosch, Makita, thiab DeWalt muaj cov lej tshwj xeeb. Piv txwv li, Makita qhia meej meej hauv lawv phau ntawv: "Siv tib hom txhuam hniav xwb."
Txhuam tuaj nyob rau hauv ntau yam configurations: nrog txuas springs, nrog hlau tuav, los yog raws li dawb carbon blocks. Qhov no nyob ntawm koj lub cev tsim. Yog tias koj nrhiav tsis tau ib feem, coj tus qub thiab ntsuas:
Ntev, dav, thiab qhov siab (hauv millimeters)Lus Cim Tseem Ceeb: Cov ntaub ntawv sib txawv (carbon-graphite vs. electrographite) muaj qhov sib txawv ntawm cov conductivity thiab hnav tsis kam. Kev siv cov qhab-nees tsis raug tuaj yeem ua rau tus qhab nia thiab kev puas tsuaj rau lub commutator ("copper head"). Lo nrog OEM tiag lossis muaj koob npe tom qab kev sib tw.
Ua ntej koj pib: UNPLUG lub cuab tam los ntawm lub mains los yog tshem lub roj teeb pob. Qhov no tsis yog-negotiable.
Cov cuab yeej xav tau: Ib lub taub hau ntoo uas tsim nyog los yog lub taub hau taub hau (feem ntau yog ib qho nrog rau cov cuab yeej ua haujlwm zoo).
Qhib lub Caps – Nrhiav cov puag ncig lossis square yas / hlau npog ntawm ob sab ntawm lub tsev nyob (feem ntau cim nrog lub cim txhuam). Unscrew lawv counterclockwise.
Extract the Old Brushes – Gently pull out each carbon brush. Ua tib zoo mloog rau:
Lub caij nplooj ntoos hlav orientation (uas sab lub caij nplooj ntoos hlav zaum rau).
Cov kev taw qhia kev teeb tsa (sab tiaj tus vs. lub kaum sab xis tig rau lub commutator).
Thawj-timers feem ntau nruab cov nram qab no - thaij duab ua ntej tshem tawm!
Ntxuav thiab tshuaj xyuas lub Commutator – Nrog cov txhuam hniav tawm, siv ib daim ntaub huv, qhuav los yog cov tawv tawv tawv kom maj mam so cov commutator (tooj tooj liab) nto kom tshem tawm cov pa roj carbon plua plav thiab oxidation. Yog hais tias tus tooj liab nto yog pitted tob los yog grooved, yuav tsum muaj kev pab cuam.
Hloov hauv Pairs – Tsis txhob hloov ib sab. Txawm hais tias ib qho txhuam zoo li tuaj yeem siv tau, ib txwm nruab ib nkawm khub. Qhov no ua kom muaj kev sib npaug ntawm lub caij nplooj ntoos hlav siab thiab sib npaug tam sim no.
Reinstall thiab Ruaj Ntseg – Ntxig cov pa roj carbon txhuam hniav tshiab rau hauv tib qhov kev taw qhia uas koj tau sau tseg. Xyuas kom lub caij nplooj ntoos hlav nrees nias tiv thaiv tus txhuam hniav. Screw lub kaus mom rov qab kom ruaj ntseg - tab sis tsis txhob overtighten thiab strip cov xov.
Thaum koj thawj lub zog tom qab kev teeb tsa tshiab Carbon Txhuam Rau Cov Cuab Yeej Hluav Taws Xob, koj yuav pom muaj ntau dua li qub. Qhov no yog kiag li ib txwm. Cov txhuam hniav tshiab muaj lub ntsej muag tiaj tus lossis sib txawv ntawm lub ntsej muag uas tseem tsis tau phim tus hnav commutator's contour.
Cia ob peb feeb ntawm kev khiav-hauv:
Yog tias koj lub cuab yeej muaj qhov hloov pauv ceev, khiav ntawm nruab nrab-tsawg ceev rau 3-5 feeb.
Lub sparking yuav maj mam zuj zus raws li lub ntsej muag txhuam raws li tus commutator.
Ntawm no yog ib qho pro-level diagnostic trick. Tsis txhob pov cov txhuam hniav tam sim ntawd - lawv qhov chaw sib txhuam qhia ib zaj dab neeg txog koj lub cev muaj zog.
| Hnav Qauv | Qhov Nws Qhia | Pom zoo ua |
|---|---|---|
| Daim iav- du, txawm nto | Ua haujlwm zoo tag nrho. | Ib txwm hnav. Tsis muaj kev txhawj xeeb. |
| Rough nto nrog nplua grooves ("threading") | Lub caij nplooj ntoos hlav tsis txaus lossis kev vibration ntau dhau. | Xyuas thiab hloov cov springs. |
| Chiped npoo los yog pitting ("spalling") | Txhuam khi rau hauv lub tuav, los yog tsis sib xws commutator nto. | Ntxuav tus tuav; soj ntsuam commutator. |
| Copper particles embedded nyob rau hauv lub ntsej muag txhuam ("copper pickup") | High-temperature arcing los yog hnyav commutator hnav. | Tus chij liab - qhov teeb meem ntawm lub cev muaj zog tuaj yeem ua tiav; xav txog kev ntsuam xyuas kev tshaj lij. |
Nrog rau cov kev kuaj mob thiab kev hloov pauv, koj cov cuab yeej siv hluav taws xob tau yooj yim tuaj yeem pab koj rau lwm xyoo caum. Nws tsis yog hais txog kev txuag nyiaj - nws yog hais txog kev nkag siab txog koj cov cuab yeej siv, txo lub sijhawm poob qis, thiab ua kom koj lub rooj cob qhia ua haujlwm tau zoo. Ib tug zoo khaws cia Carbon Txhuam Rau Cov Cuab Yeej Hluav Taws Xob yog qhov txawv ntawm ib hnub ntxhov siab thiab ib qho khoom tsim tau.
