Kev txhawb nqa ncej - yog dab tsi?
Kev txhawb nqa ncej - yog dab tsi?
Anonim

Qhov kev teeb tsa ntawm kev taw qhia ncej thiab kev txhawb nqa bearings yog ib qho pheej yig heev thiab muaj txiaj ntsig zoo ntawm txoj kab tawm. Hauv kev tsim cov tshuab CNC, nws feem ntau siv. Kuj tseem siv rau kev tsim cov tshuab luam ntawv 3D niaj hnub, milling tshuab thiab txawm tias cov tshuab txiav ntshav.

Tshwj xeeb txaus siab rau hauv kev tsim kho tshuab vim nws qhov chaw raug. Cov khoom siv rau precision shafts yog heev ntom, siab carbon steel nrog alloying zoo. Cov ntsiab lus yog kub-hardened thiab hauv av kom ntseeg tau tias lub neej ntev thiab kev sib txhuam qis heev.

Txhawb kev so
Txhawb kev so

Txoj kev txhawb nqa bearings

  1. Ua haujlwm kub yuav tsum nyob nruab nrab ntawm 15 txog 100 degrees Celsius.
  2. Ua haujlwm saum npoo tawv yuav tsum yog HRC60-64.
  3. Los ntawm 0.5 mus rau 4 qib, qib ntawm hardening yuav tsum ncav cuag.
  4. Txhua txoj kab uas hla - tas li ntawm 5 txog 70 hli.
  5. 6500 hli yog qhov siab tshaj plaws tso cai ntev.

Yog tias koj xaiv lub ncej, xyuam xim tshwj xeeb rau tag nrho qhov yooj yim ntawm kev tsim ntawm cov kab loj loj, thiab sib piv nrograil counterparts, qhov tseeb yuav tsum qis dua.

Siv ncej ntawm kev txhawb nqa kom tshem tawm qhov tsis tsim nyog deflection. Longitudinal cov lus qhia ntawm lub ncej muab ib qho kev mus los ntev ntev thiab muaj peev xwm ua tau siab heev. Lub cardan ncej txhawb nqa bearing thiab blocks yuav tsum raug xaiv nyob ntawm seb lawv ua haujlwm li cas.

Qhov tseem ceeb koj yuav tsum tsom mus rau yog tus tsim thiab lub peev xwm thauj khoom. Feem ntau qhov ntev thiab qhov tsis sib xws ntawm cov bearings sib txawv ntawm ib leeg, feem ntau insignificantly, nws tag nrho yog nyob ntawm cov chaw tsim khoom thiab cov qauv uas tau ua raws li kev tsim khoom ntawm qhov no. Lub luag haujlwm tseem ceeb ntawm tus neeg xyuas pib mus rau lub qag tsav ntawm lub tsheb yog muab ncaj qha mus rau cov ntaub ntawv hloov chaw, thiab lub cardan tsav ua haujlwm.

Bearings - thiab muaj qhov tseem ceeb ntawm cov ncej txhawb nqa. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias kev hloov kho thiab kev hloov kho ntawm kev ruaj ntseg clutch yuav tsum tau ua nyob rau hauv kev sib kis ntawm torque. Thiab lub torque rau zawm cov txiv ntseej yuav tsum nyob nruab nrab ntawm 50 thiab 70 hm. Thov nco ntsoov tias kev txhawb nqa ncej tsis tuaj yeem raug tsim txom lossis raug tsim txom.

txhawb nqa beam
txhawb nqa beam

Cov ncej txhawb nqa yog suav tias yuav luag yog qhov tseem ceeb ntawm txhua yam ntawm lub tsheb sib kis. Nws tseem hu ua outboard bearing. Lub luag haujlwm ntawm lub tshuab no suav nrog kev txhawb nqa cardan ncej.

Lub kaw lus no tau muab faib ua ob hom:

  • tsis yog tshem tau (thaum koj tawm haujlwm, koj yuav tsum hloov tag nrho lub cev);
  • replaceable (tuaj yeem tshem tawm thiab hloov nrog tus tshiab).

Dab tsi yog qhov dov bearing ncej

Rolling bearing yog ib qho kev npaj ua ke, muaj ob sab hauv thiab ib lub nplhaib yob. Nruab nrab ntawm lawv muaj 2 daim duab rocking thiab plaub txoj hlua sib cais, nws txoj haujlwm yog khaws cov khoom ntawm qhov kev pom zoo.

Cov kabmob yog suav tias yog qhov zoo tshaj plaws ntawm cov txheej txheem thiab siv ntau lub tshuab. Ib qho kev zam yog tsim rau cov qauv uas zawv zawg ntawm qhov chaw muab. Lawv yog cov qauv thiab mus muag ntawm lub xeev tshwj xeeb cov chaw tsim khoom. Nws yuav tsum tau muab sau tseg tias Russia yog European thawj coj nyob rau hauv zus tau tej cov bearings. Txog thaum xyoo 1980, ntau tshaj li ib lab ntawm cov khoom no tau tsim tawm hauv ib xyoos - nyob rau hauv ntau qhov sib txawv thiab txoj kab uas hla.

txhawb caij nplooj ntoos hlav
txhawb caij nplooj ntoos hlav

Pros:

  • kev sib txhuam siab ruaj khov;
  • tus nqi qis txaus rau kev tsim khoom loj;
  • kev txhawb nqa me me ntev;
  • txo cov roj nplua nyeem;
  • pib lub zog qis heev;
  • lawv tuaj yeem hloov tau tag nrho - qhov no yog qhov loj ntxiv thaum sib sau ua ke;
  • qis rhiab heev rau warps thiab kinks.

Cov cons yog raws li nram no:

  • qib siab ntawm kev poob siab;
  • qis nrawm, uas cuam tshuam nrog lub viav vias dynamic ntawm tus qauv;
  • yog tias tsim tawm hauv ib qho lossis me me, tus nqi siab heev;
  • siab radial lub tsev qhov ntev;
  • txwv kev ua haujlwm kub (los ntawm daim ntawv tshwj xeeb);
  • yog tias peb coj tus kabmob ntawm tus qauv dav dav, nws yuav tsis ua haujlwmaggressive ib puag ncig.
  • Txhawb kev kho
    Txhawb kev kho

Yuav ua li cas txhua yam ua haujlwm

Cov kabmob sab nraud tseem hu ua cov qauv qauv, uas muab kev zawv zawg yooj yim, ua kom lub neej ntev ntawm kev sib txhuam.

Qhov kev txhawb nqa nruab nrab ntawm cov ncej no muaj lub nplhaib sab hauv thiab sab nrauv, lawv txoj haujlwm suav nrog kev txhawb nqa cov kabmob thiab tiv thaiv kom tsis txhob txav mus los. Yog hais tias ib feem yog cov khoom zoo, nws muaj cov hlau ntom ntom thiab cov khoom zoo. Kuj tseem muaj qee cov ntsiab lus ntawm cov roj hmab muaj zog, uas tiv taus kev sib txhuam. Nws txuas nrog lub bracket rau lub tsheb ncej.

Yuav tsum muaj kev txhawb nqa
Yuav tsum muaj kev txhawb nqa

Fault indicators

Yog tias thaum tsav tsheb koj pom lub suab nrov ntxiv hauv daim ntawv hum lossis xuav (yuav muaj lub khob), qhov no yog qhov qhia meej ntawm kev txhawb nqa ncej tawg. Nco ntsoov tias nyob rau hauv rooj plaub no lub vojvoog ntawm lub tsheb kuj hloov. Muaj ib hom kev tshee hnyo uas kis mus rau sab hauv ntawm lub tsheb thaum tsav tsheb.

Bearing device

Lub cev yog sawv cev los ntawm ib lub thav duab nrog lub qhov nyob rau hauv daim ntawv ntawm lub tog raj kheej nyob rau hauv qhov chaw, muaj ib lub tes tsho ua los ntawm ib tug tshwj xeeb hlau nrog anti-faction ntsiab.

Rau qhov kev sib hloov du, qhov sib txawv ntawm cov ncej thiab kev txhawb nqa yog lubricated nrog roj kom yooj yim txav. Nws pab txo cov kev sib txhuam quab yuam thaum lub sij hawm txav ntawm cov khoom siv. Yog tias peb tham txog cov nplhaib sab hauv lossis sab nraud, ces lawv qhov zoo yuav tsum yog nyob rau theem siab tshaj plaws, lawv yuav tsum tau ua los ntawm cov hlau ruaj khov tshaj plaws. Cov roj hmab uas nyob hauvib feem ntawm cardan ncej, yuav tsum hnav-tiv taus kom txo tau lub zog ntawm kev co.

Txhawb nqa khoom:

  • siab ua haujlwm rau ntau hom kev thauj khoom;
  • vibration absorption;
  • suab qis thaum ua haujlwm;
  • compact loj;
  • zoo raug rau ib puag ncig nruj thiab ua haujlwm;
  • hloov pauv lossis kho tau yooj yim.
txhawb apparatus
txhawb apparatus

Cov tsos mob ntawm kev ua tsis tiav

Txhawm rau txiav txim siab qhov kev puas tsuaj ntau dua, nws tsim nyog sim hnov lub suab thaum lub tsheb tab tom ntug dej hiav txwv, nws yog qhov zoo kom ua kom nrawm dua thiab tso cov roj pedal. Tom qab xws li manipulation, koj yuav tsum hnov ib tug hum los yog xuav. Qee lub sij hawm, muaj txawm tias quaj.

Kuv tuaj yeem hloov qhov kev txhawb nqa li cas

Lub driveshaft bearing (throttle) yog ib qho yooj yim los hloov thiab tuaj yeem nqa tau los ntawm tus neeg tsav tsheb nws tus kheej yam tsis muaj kev pab ntawm nws pib mechanics, tab sis cov txheej txheem yuav tsum ua kom zoo.

Txhua yam koj xav tau:

  1. Open-end wrenches 12 thiab 13 mm.
  2. Tus kws qhia (ua los ntawm cov hlau zoo).
  3. Standard rauj.
  4. Pliers yuav tsum tau tshem tawm cov nplhaib txhawb nqa.
  5. Bearing puller.
  6. Tau hloov kev txhawb nqa tshiab.

Tau lub tsheb mus rau hauv lub tsheb. Lub cav yuav tsum tau muab tua thiab sab laug hauv thawj iav. Muab qee hom log chock hauv qab lub log ntawm lub tshuab kom muaj kev nyab xeeb thaum ua haujlwm. Lubricate txhua qhov nruab nrab ntawm cov kabmob zoo nrog roj (WD-40) ua ntej ua haujlwm.

Yog tias koj hloov pauv qhov kev txhawb nqa driveshaft, nws yog qhov zoo dua los hloov tam sim ntawdntoo khaub lig, raws li lawv cov kev pab cuam lub neej kuj tsawg heev. Tag nrho cov fasteners nyob rau hauv daim ntawv ntawm bolts yuav tsum tau unscrewed. Rub tawm sab hauv flange (nws txuas rau tus Tsov tus tw ntawm lub tshuab) thiab tom qab ntawd tsuas yog tshem tawm cov kev txhawb nqa ncej fasteners.

Feem ntau, cov ncej yog tsau nrog cov fasteners nyob rau hauv daim ntawv ntawm nplooj los yog petals, lawv yuav tsum tau muab tshem tawm. Ruaj ntseg lub ncej koj tshem tawm hauv lub vise thiab unscrew lub bearing bolt. Txhawm rau tshem tawm rab rawg, siv lub tshuab rub tshwj xeeb, thiab tshem tawm cov kabmob uas muaj lub teeb rau ntawm nws.

Siv ib daim ntaub los ntxuav qhov chaw kom txuas cov kabmob tshiab. Xauv lub stopper rau tom qab ntawm lub tsheb. Fasten lub tshuab ntxhua khaub ncaws thiab txiv ntseej, cov ntsiab lus no yuav tsum tau nyob hauv nruab nrab. Thaum cov kabmob nruab nrab ntawm cov kabmob nrog cov kabmob yog ruaj khov, txhim kho lub shackle hauv nws qhov chaw.

txhawb nqa bolt
txhawb nqa bolt

Note

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias qhov nruab nrab ntawm cov kabmob ntawm lub cardan ncej yuav tsum tau hloov tsis pub dhau qhov kawg ntawm nws lub neej kev pabcuam. Tab sis nws yog qhov zoo tshaj plaws los hloov nws ua ntej, txij li lub zog muaj zog ntawm ib puag ncig aggression thiab tsis saib xyuas kev tsav tsheb sai sai ua rau lub chassis ntawm lub tsheb. Thiab zoo dua - ua ib qho kev tshuaj xyuas lub tsheb ib zaug txhua ob peb lub hlis, qhov no yuav pab koj pom thiab tiv thaiv kev tawg hauv lub sijhawm txawm tias ua ntej muaj teeb meem loj tshwm sim.

Pom zoo: