Bumper npog yog tshwj xeeb tshaj yog nrov ntawm cov nyiam kev lom zem. Xws li cov ntaub qhwv tsis tau tsuas yog hloov pauv qhov zoo ntawm lub tsheb, muab nws tus cwj pwm ntawm kev ua si, tab sis kuj ua lub luag haujlwm tiv thaiv.
Tsim nyog
- - polyurethane ua npuas ncauj;
- - dej;
- - ntawv;
- - xaum;
- - cov ntawv sau riam;
- - ntawv txhuam ntoo;
- - kua nplaum;
- - fiberglass lossis fiberglass mesh;
- - epoxy;
- - muab tub lim;
- - daim tawv nqaij;
- - cuab tam zog;
- - txhuam;
- - primer;
- - zas.
Cov Lus Qhia
Kauj ruam 1
Txhawm rau ua kom raug npog npog tau yooj yim, kos duab lawv. Them nyiaj tshwj xeeb rau theem no ntawm kev ua haujlwm, vim tias qhov kawg tshwm sim nyob ntawm qhov tseeb ntawm cov duab kos ntawm cov kev sib tw. Sai li sai tau koj ua tiav daim phiaj, pib ua qhov sib tshooj ntawm lawv tus kheej.
Kauj ruam 2
Txha cov contours ntawm lub ncoo bumper nrog polyurethane ua npuas dej (qhov kev ua haujlwm no yuav tsum tau ua nyob rau theem ua kom cov npuas dej dua sai). Rau qhov ua kom tawv tawv, nws yog qhov zoo dua rau kev txhuam cov khoom siv ua npuas ncauj (ntawm chav kawm, nws lub suab yuav dhau los, tab sis nws tseem yuav nyuaj dua). Cov khoom siv uas tsim tawm lawm yuav luag yuav luag ib nrab ntawm yav tom ntej bumper nrog hauv ob sab phlu.
Kauj ruam 3
Cim tawm qhov seem thiab txiav nws raws li cov kab kos. Rau qhov raug ntau dua, kos tawm siv tus qauv. Tom qab ntawv xuab zeb polyurethane ua npuas dej nrog cov ntawv pleev xim (lub du hauv qhov chaw, qhov tsawg dua nws yuav siv sij hawm rau putty tom qab).
Kauj ruam 4
Npog cov ntawv disc nrog tuab ntawv, thiab tom qab ntawd nrog fiberglass mesh lossis fiberglass. Tom qab ntawd lo lub bumper nrog epoxy. Txhawm rau tiv thaiv cov epoxy resin ua kom tawv sai, npaj nws hauv qhov me me (peb puas grams).
Kauj ruam 5
Txhawm rau kom ua tiav qib, ntxiv rau aluminium hmoov muab tub lim mus rau lub tsho tiv no kawg ntawm epoxy. Tom qab ib hnub, epoxy yuav ncav cuag nws lub zog tshaj plaws. Sim ua kom ntseeg tau tias lub fiberglass tau pw ntawm tusyees thaum lub sijhawm dhau los.
Kauj Ruam 6
Siv thawj txheej txheej ntawm putty nrog fiberglass (qhov no yuav tiv thaiv lub bumper ntawm snapping ntawm cuam tshuam). Tom qab ntawd xuab zeb saum npoo nrog 220 lossis 320 grit sandpaper. Koj tuaj yeem siv lub zog tshwj xeeb rau kev sib tsoo.
Kauj Ruam 7
Tshem tawm txhua plua plav sanding los ntawm bumper thiab siv ob peb lub tsho tiv no ntawm primer. Xuab cov khoom lag luam nrog cov nplua-nplua sandpaper thiab xim dua nws.