Ib qho xau hauv lub tsheb tso roj tsheb tuaj yeem raug ntim nrog iav daim ntaub thiab epoxy kua nplaum. Hauv qhov no, kev ntseeg tau ntawm lub xaib yuav muaj ntau dua thaum siv txias txias rau gluing.
Nws yog qhov tsim nyog
- - epoxy cob;
- - fiberglass;
- - Cov tshuaj acetone;
- - daim ntawv sanding.
Cov Lus Qhia
Kauj ruam 1
Yuav cov ntawv ntim cov khoom tsim nyog rau kev ua tiav. Hauv qhov no, nyiam qhov ob-tivthaiv epoxy kua nplaum. Thaum xaiv, coj mus rau hauv tus account lub tswv yim pom zoo ntawm tus muag thiab cov lus qhia ntawm ntim.
Kauj ruam 2
Nrhiav cov xau rau ntawm lub thawv roj. Yog tias nws nyob rau hauv qhov chaw nyuaj kom ncav cuag, tshem tawm cov roj tank, qhuav nws kom huv. Xuab cov tsevneeg hauv thaj chaw nrog daim ntawv sanding (kom txhim kho adhesion). Degrease saum npoo nrog acetone. Qhov zoo ntawm gluing ncaj qha nyob ntawm qhov zoo ntawm degreasing!
Kauj ruam 3
Npaj epoxy nplaum raws cov lus qhia pob thiab hliv nws rau hauv ib lub taub ntim khoom haum. Yog hais tias gluing yuav tsum tau ua rau cov pob kws thiab txuas ntawm lub tank, muab nws cov tuab tuab zoo ib yam. Txiav lub fiberglass rau hauv daim kom lawv cov npoo protrude ob peb centimeters dhau qhov tawg. Saturate lub fiberglass nws tus kheej nrog kua nplaum epoxy.
Kauj ruam 4
Pib gluing los ntawm qhov muab daim iav lo rau ntawm qhov chaw yuav tsum tau kho kom thiaj li tsis muaj npuas. Tshem tawm cov tshaj ntawm cov roj. Txhawm rau txhawm rau txhim kho nkag, tamp lub glued fiberglass txheej nrog qhov kawg ntawm txhuam txhuam. Them nyiaj tshwj xeeb rau thawj txheej: qhov zoo tshaj ntawm txhua qhov haujlwm ua tiav feem ntau nyob ntawm nws qhov zoo. Ua ntej thov rau thawj lub tsho tiv no ntawm cov tom ntej, maj mam xuab zeb nws nrog coarse sanding ntawv.
Kauj ruam 5
Npog qhov xau nrog ob peb txheej ntawm fiberglass. Ntxiv mus, txhua txheej txheej tom qab yuav tsum tiv thaiv 1-2 cm tshaj li qhov sawv ntawm lub dhau los. Tom qab thov txheej tom ntej, tos li 15-20 feeb kom cov kua nplaum kom qhuav. Thov txhua txheej maj mam muab thiab nrawm. Impregnate txheej kawg ntawm fiberglass nrog epoxy resin nrog ntxiv ntawm ib lub hnab yas (aluminized hmoov). Ua li no, nyob rau hauv ib lub thawv cais, sib tov cov hnab yas thiab cov ntxig rau kom mushy tas li. Qhuav cov ntaub ua kom huv huv hauv 24 teev.
Kauj ruam 6
Yog tias qhov xav tau, muab tso thiab pleev xim rau cov roj roj rau hauv cov ntawv thov. Qhov no yuav ua kom muaj kev cia siab ntawm qhov sib khi. Ua ntej ua ntawv thov putty thiab txha hniav laus, xuab zeb saum npoo ntawm thaj av nrog coarse sanding ntawv.
