Lapping li qub los ntawm txhais tes. Yuav ua li cas mus zom li qub nrog lawv tus kheej txhais tes tsis muaj cuab yeej?

Thaum lub cav kho feem ntau yuav tsum tau lapping li qub. Qhov no yog ib qho tseem ceeb ua hauj lwm thiab rau cov uas koj yuav tsum tau muaj ntawm tes rau qhov tsim nyog lub cuab tam. Ntawm cov hoob kawm, koj muaj peev xwm ua tsis muaj nws. Yog li ntawd, yuav ua li cas lub sib tsoo li qub nrog lawv tus kheej ob txhais tes?

Thaum twg koj xav lapping

Muaj ntau siv ib tug tshwj xeeb lub cuab tam, thiab muab tshuaj txhuam ib tug sucker kev sib tsoo li qub. Txawm li cas los, tsis yog txhua tus paub yuav ua li cas kom zoo zoo nqa tawm xws li ib tug txheej txheem. Thaum saddles thiab li qub tshwm sim tau tsuas yog ib ob peb ntau yam uas tsis xws luag:

• chamfer them nrog tus neeg zoo li los yog soot, tab sis lawv zoo yog tsis tau hloov;
• chamfer them nrog hmoov quav thiab zoo li, thaum lawv daim ntawv no tau hloov lawm.

Nyob rau hauv lub caij nyoog kawg no cov ntaub ntawv, ntawm qhov chaw ntawm lub workpiece peev xwm yuav tsim ib yam dab tsi zoo li cov kauj ruam. Nyob rau hauv tas li ntawd, lub conical zoo ntawm cov chamfer yuav hloov thiab ua sib npaug.

Nta lapping nyob rau hauv ob leeg

Yog hais tias tus duab ntawm lub chamfer tseem tsis tau tawg, nws yog feem ntau yog nqa tawm sib tsoo. Yog hais tias muaj yog tsis xws luag, yam khoom no yog thawj kho siv ib tug kws dhos, thiab valve rooj stripped cones conical zoo. Ntawm kev tseem ceeb yog qhov loj ntawm pab kiag li lawm.

Yuav pib nrog lub valve rooj ua rau cov menyuam cutter muaj ib tug kaum sab xis ntawm 45 °, ces tus sab sauv siv rau cov menyuam cutter nrog ib lub txiav ntawm 15 °, thiab hauv qab ntawm lub rooj zaum nrog ib tug kaum sab xis ntawm chamfer ntawm 75 °. Nws tseem yog muaj peev xwm ntawm cov zauv qhov chaw abrasive log thiab ib tug txhais tes xyaum. Nyob rau hauv cov ntaub ntawv no, cov cuab yeej yuav tsum muaj ib tug kaum sab xis ntawm 45 °, 15 ° thiab 75 °.

Nws yog tsim nyog sau cia hais tias lub sib tsoo flaps ib tug txhais tes xyaum los yog ntswj ntsia hlau yog lub sij hawm-siv. Rau kom cov txheej txheem yuav tsum muaj ntaub ntawv hluav taws xob lub cuab tam, uas tej zaum yuav muaj los ntawm nyob rau hauv ob qho tib si qhia, thiab maj mam tig circumferentially.

abrasive muab tshuaj txhuam

Nyob rau hauv thawj qhov chaw yuav tsum muab tshuaj txhuam rau kev sib tsoo li qub. Qhov no yog thawj qhov uas yuav tsum tau muas ntawm ib tug tshwj xeeb khw. Thaum lub sij hawm ua, lub tshuaj txhuam yog thov mus rau lub valve di ncauj. Xws li ib tug muaj pes tsawg leeg ua hauj lwm pab raws li ib yam ntawm cov zoo ntwav txhuam ntoo. Vim lub tshuaj txhuam yuav ua tau yooj yim zom valve mus rau lub jack. Muaj ntau ntau theem pib hom ntawm tej nyiaj. Tag nrho cov ntawm lawv muaj tej yam sib txawv me ntsis, uas yog reflected nyob rau hauv tus nqi ntawm ntau lawm.

kev faib pastes

Muab tshuaj txhuam rau lapping valve yog txwv kom muab zais los ntawm cov neeg kawm ntawv ntawm qhov chaw kho mob: Rau cov thawj zaug kev kho mob - ntxhib, rau zaum kawg - grained. Kev xaiv lub xeem yog heev nrov, vim tej khoom uas tau pom zoo tswv koom nyob rau hauv kev kho xyaw. Tus zoo-grained muab tshuaj txhuam tso cai rau koj kom sai thiab kom zom li qub. Nyob rau hauv cov ntaub ntawv no, ntau npaum li cas nyob tsis nyob rau nyob tus yeees ntawm cov nyiaj, thiab lub xeev ntawm cov chamfers thiab qhov chaw lawv tus kheej. Nyob rau hauv tas li ntawd, kev sib tsoo li qub nrog lawv ob txhais tes tau tsis txhua leej txhua tus. Thaum nws tus kheej-tuav yog pom zoo kom siv ib tug pa qauv, uas raug tus nqi $ 100 rau ib lub raj.

Tsis txhob yuav kim tshaj plaws nplej zom. Yog hais tias nws thiab xav tau tshwm sim, koj yuav tau yuav nws nyob rau hauv tus txheej txheem.

"Antiquated" cutter

Lapping li qub nrog lawv tus kheej txhais tes - ib tug yooj yim txheej txheem, yog tias koj paub yuav ua li cas thiab yuav ua li cas. Yav tas los muaj cutter rau kho lub tog raj kheej taub hau. Xws li ib tug ntaus ntawv rau lapping valve yog mas siv rau es ua kom saddles qhov chaw. Ib txhia ntxias siv qhov cuab tam kom txog rau thaum tam sim no. Externally, tus ntaus ntawv yog ib qhov nozzle, tsim raws li ib tug valve tsaws. Taag lub khob hliav qab nyob rau hauv lub laum. Ntaus yog me me nyob rau hauv loj thiab tsa ib hom ntawm laum.

Yog nws yeej ib txwm tsim nyog cutter

Li cas ib lub cuab tam yuav tsum tau? Yuav kom teb tau lo lus nug no, nws yog tsim nyog los saib lub rooj zaum, molded nyob rau hauv lub taub hau. Yog hais tias lawv cov ntseeg tseem tsis tau tawg, nws yog ua tau rau pib lapping. Yog hais tias lawv puas, xws li burnout, nws yog pom zoo kom kho lawv nrog tshwj xeeb cutters. Lub tshuab nyob rau hauv cov ntaub ntawv no yog heev yooj yim. Chiv, nws yog pom zoo kom hloov cov phau ntawv qhia, thiab ces mus nqa tawm kev sib tsoo. Nyob rau hauv txhua rooj plaub yuav tsum tau ib tug neeg saib xyuas. Yuav ib tug tshwj xeeb ntaus ntawv kev sib tsoo nyob rau hauv ntawm li qub yuav ua tau zoo yam tshwj xeeb khw.

Los yog, muab tso rau tshiab li qub?

Nws tsis yeej ib txwm xav tau tshiab li qub. Ntawm cov hoob kawm, yog hais tias tus khoom no me ntsis nkhaus, koj yuav tsum tsis txhob sim ua kom ncaj lawv. Txheej txheem tsis, thiab koj tsuas siv lub sij hawm thiab lub zog. Nyob rau hauv cov ntaub ntawv no nws yog ib qho zoo mus xyuas lub khw nrog spare qhov chaw rau tsheb, thiab yuav ib tug txheej tshiab.

Thaum hloov qhov muaj nqis tshwj xeeb xim them rau lawv zoo. Lub qhov siab ntawm cov li qub, nyob rau hauv txhua rooj plaub yuav tsum tau tib yam. Muaj yuav tsis muaj roughness thiab khawb rau lub xaus, rods thiab sealing ib tug ua hauj lwm facet. Ua ntej yuav txhim kho tau ib tug tshiab set ntawm polish mus rau ib tug ci nthuav dav. Cov txheej txheem yuav tsum tau nqa tawm tsis tsuas yog nyob rau hauv lub valve stems, tab sis kuj nyob rau hauv lub caj dab ntawm ib tug dub valve thiab nyob rau lub tiaj phaj. Vim xws ua, cov khoom yuav tsum tsawg cluttered nrog coke thiab rhuab. tsis txhob kov thaum kov lub sealing chamfers. Lawv yuav tsum tau tsuas zom lub rooj zaum.

Tshuab kev sib tsoo li qub

Tshwj xeeb pab kiag li lawm ua rau kev sib tsoo li qub. Qhov no tej zaum yuav tsum tau ib tug roj hmab hlub dej thiab ib tug pa xyaum. Lapping li qub nrog lawv ob txhais tes nyob rau hauv xws li ib tug cov ntaub ntawv yog nqa tawm raws li nram no:

1. Roj Hmab hose yog muab tso rau hauv xyaum. Qhov no tej zaum yuav tsum tau ib tug xyaum thiab ib tug ob peb clamps.
2. Thaum kawg ntawm lub hose mus thov lapping muab tshuaj txhuam.
3. Qhov no hose yog tso rau hauv ib qho ntawm lub engine li qub. Yuav kom muaj kev ruaj ntseg hauv lub clamps yuav siv tau.
4. Lub valve yog tso rau hauv lub slot, thiab nws pib lapping.

Nrog rau qhov no txoj kev nws yog ib qho tseem ceeb heev tsis txhob muaj xws li cov nyiaj pab ntau tshaj ceev rau cov xyaum. Cov txheej txheem yuav tsum mus thiab maj mam ua tib zoo. Raws li rau kev ceev, lawv yuav tsum los ntawm 400 mus rau 500 ib feeb. Thaum cov kev ceev tsub kom heev kub lub rooj koj cov menyuam thiab li qub. Nyob rau hauv tus txheej txheem ntawm lapping nws yog tsis pom zoo kom ua ib tug yeej tsab ntawv tsa suab. Nws yog tsim nyog los simulate lub cav valve, mus rau pem suab nyob rau tib lub sij hawm, thiab ces rov qab.

Nws yog tsim nyog sau cia hais tias lub laum sib tsoo li qub thiab hose - ib tug painstaking txheej txheem uas yuav siv sij hawm ib tug ntau lub sij hawm.