Automotive putty: hom, tshuaj xyuas

2024 Tus sau: Erin Ralphs | [email protected]. Kawg hloov kho: 2024-02-19 16:11

Kho ua haujlwm hauv lub tsheb lub cev feem ntau suav nrog kev ua haujlwm ua haujlwm kom rov qab tau cov duab geometry ntawm tus ncej. Lwm hom kev ua haujlwm, uas twb tau ua kom zoo nkauj, yog tsom rau kev muab qhov chaw ntawm lub cev nrog rau qhov xav tau zoo nkauj. Cov ntaub ntawv ua haujlwm nyob rau hauv cov ntaub ntawv no muaj xws li pleev xim rau, primers thiab tiv thaiv pastes. Nyob rau hauv lem, lub tsheb putty combines ob peb lub luag hauj lwm ib zaug, ntawm cov uas tiv thaiv yuav tsum tau sau tseg.

Sau thiab ua tiav cov khoom sib xyaw

Nws tsis tshua muaj tshwm sim thaum lub priming loj yog siv rau hauv ib txheej. Yog li nyob rau hauv cov ntaub ntawv ntawm automotive plaster - nws tau muab faib ua ob pawg loj uas txawv ntawm kev ua tau zoo. Qhov tseeb, cov khoom ntawm cov compositions txiav txim siab nyob rau hauv dab tsi ib theem zuj zus no los yog cov muaj pes tsawg leeg yuav siv. Muaj ob pawg ntawm xws li putties - txhaws thiab xov. Thawj pab pawg suav nrog cov khoom sib tov uas ua lub hauv paus rau kev pleev xim. Cov no yog hom coarse-grained ntawm automotive putties uas tsim ib lub hauv paus tsis muaj zog. Cov qeb thib ob, sawv cev los ntawm kev sib xyaw ua tiav, yog nyob rau hauv qee txoj kev ua tiav, tab sis nws yuav tsum tsis txhob totaub nroghniav coatings. Nws txoj hauj lwm yog muab cov txheej txheem uas twb tau siv lawm kom pom cov yam ntxwv zoo rau kev ua cov txheej txheem zoo nkauj. Tshwj xeeb, cov khoom sib xyaw ua tiav muab cov nplaum nplaum, uas yog, siab adhesion ntawm qhov chaw.

Txoj kev sib sau

Qhov no yog ib tus neeg sawv cev ntawm ib pab pawg neeg muab tub lim, uas nws daim ntawv teev cov haujlwm suav nrog muab cov khoom siv dag zog rau lub hauv paus lub tsho tiv no ntawm lub cev. Ib qho tshwj xeeb ntawm qhov sib xyaw ntawm qhov sib tov yog qhov muaj fiberglass fibers. Nws yog lub xub ntiag ntawm cov xov me me uas tsim lub platform uas tiv taus kev puas tsuaj ntawm ntau yam ntawm qhov chaw ntawm lub tsheb ncej. Thiab ntawm no nws yog ib qho tseem ceeb los teb cov lus nug ntawm yuav ua li cas siv automotive putty nrog fiberglass nyob rau hauv muaj pes tsawg leeg. Tej zaum yuav muaj ob txoj hauv kev. Thawj qhov yuav tsum tau siv cov khoom sib xyaw uas cov yas fibers twb muaj lawm. Hauv qhov no, tus tswv tsuas yog yuav tsum tau dilute qhov sib xyaw nrog dej hauv qhov xav tau proportions. Txawm li cas los xij, koj tuaj yeem npaj lub hauv paus rau koj tus kheej, siv txhua hom putty ua cov muab tub lim. Nyob rau hauv cov ntaub ntawv no, nws yog ib qhov tsim nyog yuav tau yuav ib tug sib tov ntawm fiberglass fibers thiab sib tov nrog lub hauv paus muaj pes tsawg leeg. Tom ntej no, lub resulting loj yog siv rau saum npoo raws li hom priming khoom.

sib tov ua ib lub tsho loj

Cov txheej txheem ntawm hom no yog npaj los ntawm kev nplua-grained pastes. Raws li twb tau sau tseg lawm, lawv txoj haujlwm yog los npaj qhov chaw uas twb muaj lawm rau kev ua haujlwm ntxiv ntawm cov khaubncaws sab nraud povtseg. Kev npaj nws tus kheejNws muaj tsis tau tsuas yog nyob rau hauv ua kom cov adhesion ntawm lub muab tub lim txheej, tab sis kuj nyob rau hauv kho nws cov me tsis xws luag. Tsis txhob hnov qab tias ntxhib fiberglass compositions tsis zoo tagnrho hauv lawv cov qauv thiab, ntxiv rau cov fibers uas sawv tawm, tej zaum yuav suav nrog cov nplej loj. Nyob rau hauv lem, lub finishing tsheb putty hides tag nrho cov tsis xws luag thiab irregularities, tsim ib tug du nto ntawm lub cev. Cov txheej no kuj yuav tsum tau xuab zeb lossis polishing.

YPlastic putty

Tsis zoo li hlau, yas yuav tsum tau ua kom zoo dua rau kev siv cov txheej txheem tiv thaiv. Txhawm rau ua haujlwm nrog cov chaw zoo li no, cov chaw tsim khoom tsim cov khoom ua kom zoo zoo nrog kev txhim kho adhesion zoo. Thaum lub sij hawm daim ntawv thov txheej txheem, tus neeg siv tsim ib tug nyias txheej, uas muaj peev xwm ua raws li ib tug lub hauv paus txawm rau ntxiv ua nrog fillers, los yog raws li ib tug zaum kawg txheej ua ntej zoo nkauj tiav. Tab sis nws yog ib qho tseem ceeb uas yuav tau xav txog tias qhov kev npaj ntawm cov mixs muaj nws tus kheej nuances. Cov lus nug tseem ceeb nyob rau hauv cov ntsiab lus no yog: yuav ua li cas rau dilute lub automotive putty tsim rau yas? Lub hauv paus tuaj yeem yog dej, tab sis, piv txwv li, rau cov khoom siv polyester, nws kuj tseem yuav pab tau ntxiv rau 2% hardener. Tsis tas li ntawd, ib zaj duab xis degreasing yuav tsum tau siv rau qhov chaw ua haujlwm yas ua ntej ua haujlwm.

Npaj rau kev thov putty

Ua ntej ua haujlwm, qhov chaw ntawm rooj plaub raug ntxuav kom huv si ntawm cov av thiab cov kab xeb. Tom qab ntawd koj tuaj yeem mus rau qhov muaj pes tsawg leeg nws tus kheej, thiab tsuas yog lub ntim uas tau lees tias yuav tsum tau noj hauv ob peb feeb tom ntej no yog npaj rau kev siv. Daim ntawv thov yog nqa tawm nrog ib tug spatula los yog txawm ib tug syringe - qhov tseem ceeb tshaj plaws yog hais tias nyias thiab huv si txheej yog tsim tsis muaj ntse hloov nyob rau hauv thickness. Kev saib xyuas tshwj xeeb yog them rau cov khoom siv ntxiv uas lub tsheb putty tuaj yeem diluted. Cov lus qhia feem ntau pom zoo nrog rau cov hardeners thiab plasticizers, tab sis koj yuav tsum tsis txhob tsim txom nws nrog additives. Qhov tseeb yog tias modifiers nce qee qhov kev ua haujlwm ntawm lub putty, tab sis txo qis rau lwm tus. Tom qab ua tiav, cov txheej txheem ziab pib, uas nyob rau hauv cov xwm txheej ntuj tuaj yeem kav ntev li ob peb teev lossis txawm hnub.

tawm tswv yim zoo ntawm putty

Txawm hais tias cov txheej txheem puttying lub cev zoo li nyuaj, thaum nws ua tiav, qhov tshwm sim yuav ua rau pom tseeb qhov kev siv zog. Cov neeg siv qhia txog ob qhov zoo ntawm cov khoom sib tov. Ua ntej, lawv muab ib qho kev txhim khu kev qha primer txheej nrog cov nyhuv ntawm leveling saum npoo thiab tshem tawm qhov tsis xws luag. Qhov thib ob, kev ua haujlwm tiv thaiv kev ua haujlwm zoo uas lub tsheb putties muaj kuj tau sau tseg. Kev tshuaj xyuas qhia tias cov txheej txheem xeb thiab kev puas tsuaj rau lub tshuab thaum siv lub tshuab xyaum tsis cuam tshuam rau lub hauv paus hlau kho nrog putty. Ntawd yog, lub plhaub tiv thaiv yog tsim uas tsis tso cai rau lwm tus neeg cuam tshuam ntawm ib qho xwm txheej.

Kev tshuaj xyuas tsis zoo

Nyob thiabshortcomings nyob rau hauv automotive putties, uas yuav manifest lawv tus kheej nyob rau hauv lub feem ntau npaj txhij txog yam. Piv txwv li, tau muaj cov xwm txheej thaum cov neeg siv tau sau tseg qhov tsis zoo ntawm qhov chaw ntawm cov hlau thav duab los ntawm sab ntawm cov ntawv thov muaj pes tsawg leeg. Nws yuav tsum raug sau tseg ntawm no tias, feem ntau yuav, cov teeb meem no tshwm sim los ntawm kev npaj tsis raug ntawm pastes - piv txwv li, vim yog qhov siab ntawm cov kev hloov pauv tau qhia. Tsis tas li ntawd, automotive putty tuaj yeem ua rau muaj teeb meem ntau thaum kho lub cev tseem ceeb nrog kev tshem tawm tag nrho cov txheej txheej primer.

Zoo kawg

Cov txheej txheej no tuaj yeem hu ua tshwj xeeb, vim tias lawv muab cov kev ua haujlwm tsis zoo. Nws yog txaus kom nco ntsoov qhov ua kom cov nplaum nplaum ntxiv, vim tias qhov sib txuas nruj ntawm cov muab tshuaj txhuam thiab hlau tsim. Cov lus nug tseem ceeb hais txog ntau npaum li cas automotive putty justifies nws tus kheej los ntawm qhov pom ntawm tus neeg tsav tsheb zoo tib yam. Tau kawg, cov khoom tiv thaiv ntawm cov nyiaj no qhia lawv tus kheej los ntawm sab zoo tshaj plaws, tab sis kuj tseem muaj qhov tsis zoo uas yuav tsum tau coj mus rau hauv tus account. Txhawm rau txhawm rau sib npaug ntawm qhov zoo thiab qhov tsis zoo ntawm kev siv putty rau tsheb, koj yuav tsum tau ceev faj heev thaum ua lub cev siv cov txheej txheem no. Piv txwv li, siv cov tsho nyias nyias, ua tib zoo xaiv cov khoom siv ntxiv thiab, ntawm chav kawm, tsis txhob hnov qab txog kev tu lub ntsej muag ntawm lub tshuab uas twb tau ua haujlwm lawm.