Ua-nws-koj tus kheej bumper putty
Yog hais tias lub bumper raug kho, muaj thaj chaw ntawm cov yas raw, ua ntej ntawm tag nrho cov koj yuav tsum tau npog cov chaw no nrog ib tug tshwj xeeb primer. Tom qab ib lub sijhawm (txhua qhov sib xyaw muaj nws lub sijhawm ziab), prime nrog acrylic muab tub lim, thiab tom qab nws hardens, muab lub bumper ntawm lub tsheb, smooth nws nrog nplua xuab zeb, degrease thiab xim.
Kev kho lub cev yuav tsum tau siv cov khoom tshwj xeeb. Nyob ntawm seb hom txheej txheej, muaj pes tsawg leeg kuj txawv. Kawm yuav ua li cas muab lub tsheb bumper nrog koj tus kheej txhais tes, yam koj xav tau thiab ntau npaum li cas.
Npaj theem
Putty tsheb bumper yuav tsum tau npaj. Hauv theem no, cov cuab yeej tsim nyog thiab cov khoom siv raug xaiv:
- degreaser;
- xim-enamel nyob rau hauv cov xim ntawm lub tsheb lub cev;
- txheej thaum ub;
- tshwj xeeb primer, putty rau yas;
- daim tawv nqaij ntawm ntau qhov ntau thiab tsawg, nyob rau hauv thaj tsam ntawm 150-500;
- adhesive daim kab xev ua los ntawm non-woven abrasive khoom, reminiscent ntawm xoob xav nyob rau hauv kev ntxhib los mos.
Npaj lub bumper rau putty
Qhov kev xaiv ntawm putty
Kev xaiv ntawm putty yog ib feem tseem ceeb ntawm cov txheej txheem. Kev sib xyaw yuav tsum ua kom tau raws li ntau qhov kev xav tau:
- siab elasticity - yuav tsum tsis txhob npog nrog cov kab nrib pleb thaum ua haujlwm;
- lub zog - yuav tsum tiv taus kev poob siab hauv zos thiab kev co, muaj peev xwm ntev;
- nce qib ntawm adhesion rau tag nrho cov ntaub ntawv polymeric;
- tsis kam mus rau phau ntawv sib tsoo - ntseeg tau sau txhua yam tsis xws luag.
Qhov kev xaiv ntawm putty
Lub tsheb bumper putty yog ib- thiab ob-cov khoom zoo-grained loj raws li polyesters, pigments, thiab dispersed accumulators. Siv nws rau saum npoo kom rov qab los nrog spatula lossis lwm yam cuab yeej tsim nyog. Nws yog ib qho tseem ceeb heev tsis txhob kho cov acrylic coatings thiab cellulose nrog cov khoom no.
Ntawm kev muag khoom tam sim no muaj ntau ntau yam ntawm putties uas txawv ntawm txoj kev siv, tshuaj muaj pes tsawg leeg, thiab hauv paus. Piv txwv li, cov khoom siv fiberglass yog siv los kho cov kev puas tsuaj loj, deformation thiab xeb. Lawv txawv nyob rau hauv ntom, lub zog, zoo reinforcing zog. Tsis tas li ntawd, rau cov hom phiaj no, nws raug nquahu kom siv cov kev xaiv hnyav, suav nrog cov iav khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob
Self-made putty sib tov
Tus nqi ntawm tiav putty rau ntau tus tswv tsheb tuaj yeem siab. Nyob rau hauv cov ntaub ntawv no, nws yog ua tau rau nws tus kheej npaj cov sib tov. Nov yog qhov nws ua tiav:
- Lub crushed ua npuas ncauj yog muab tso rau hauv ib lub thawv yooj yim.
- Ncuav nws nrog acetone thiab yaj, nplawm.
- Cov sediment seem hauv qab yog siv los ua putty.
Self-made putty sib tov
Zoo meej bumper muab tub lim
Yog hais tias lub bumper yog "liab qab", tsis them los ntawm ib yam dab tsi, nws yuav tsum xub coated nrog ib tug primer. Nws yog txaus kom degrease lub cev lub cev ua ntej daim ntawv thov ncaj qha. Ntxiv mus, nws raug nquahu kom zom kom tshem tawm cov blots me me ntawm kev ua haujlwm. Tom qab ntawd, ib ntus ntawm 20 feeb yog ua. Tom qab ntawd cov xim tsuas yog siv.
Nws yog noteworthy tias qee qhov chaw yog muag nrog grey primer twb tau thov. Xws li cov qauv yuav tsum tau sanded tam sim ntawd nrog ib tug nplua abrasive, thiab ces pleev xim rau.
Yog hais tias lub bumper raug kho, muaj thaj chaw ntawm cov yas raw, ua ntej ntawm tag nrho cov koj yuav tsum tau npog cov chaw no nrog ib tug tshwj xeeb primer. Tom qab ib lub sijhawm (txhua qhov sib xyaw muaj nws lub sijhawm ziab), prime nrog acrylic muab tub lim, thiab tom qab nws hardens, muab lub bumper ntawm lub tsheb, smooth nws nrog nplua xuab zeb, degrease thiab xim.
Bumper putty
Ob peb txoj cai yuav tsum tau ua nyob rau hauv tus txheej txheem ntawm kev ua hauj lwm nyob rau hauv thiaj li yuav kom putty lub bumper ntawm lub tsheb:
- kev ua ntawm qhov chaw yog nqa tawm los ntawm maj mam nthuav qhov chaw nyob ib ncig ntawm lub furrow;
- ua ntej siv lub putty, kho ib feem ntawm lub txheej yog ua tiav nrog ib tug primer;
- nws raug pom zoo kom siv lub Hoobkas tsim los yog cov khoom siv roj hmab hauv tsev ua cov cuab yeej;
- yog hais tias lub putty yog npaj nrog koj tus kheej tes, ces koj yuav tsum tau ua nyob rau hauv me me feem;
- thaum sib tov nrog ib tug hardener, koj yuav tsum tau ua raws li cov lus pom zoo nyob rau hauv cov lus qhia - yog hais tias koj muab ntxiv tov, nws yuav ntes nyob rau hauv ib tug luv luv lub sij hawm, yuav tsis tso cai rau koj mus rau tag nrho stretch tag nrho cov ua hauj lwm dav hlau thiab yuav tawg;
- Nws raug nquahu kom xuab zeb qhuav txheej ntawm putty nrog ntawv nrog cov nplej loj ntawm P220, thiab tom qab ntawd P320 - tom qab ntawd, cov primer tau muab tso rau, tom qab ntawd cov npoo yog polished rau lub xeev matte nrog tus lej tsawg dua;
- Tom qab ua tiav nrog scotch-brite, qhov saum npoo yog degreased thiab pleev xim rau.
Yog li, muab cov yas bumper ntawm lub tsheb nrog koj tus kheej txhais tes yuav tsis yooj yim tshwj xeeb. Txawm li cas los xij, koj yuav tsum muaj kev txawj ntse thiab kev paub zoo.
