Yuav ua li cas thiab yuav ua li cas muab lub bumper ntawm lub tsheb nrog koj tus kheej txhais tes
Txheem
Los ntawm sab nraud, npog tag nrho cov kab nrib pleb nrog cov kua nplaum kub (siv phom) lossis plasticine. Qhov no yuav tiv thaiv cov epoxy los ntawm ntws tawm thaum lub sij hawm ziab thiab yuav kaw lub seam yav tom ntej. Kaw sab nraud nrog daim kab xev nplaum tshaj qhov kub yaj nplaum nplaum. Qhov no tseem yuav khaws cov duab ntawm lub bumper thaum lub sijhawm kho.
Lub luag haujlwm tseem ceeb ntawm lub tsheb bumper yog los tiv thaiv lub tsheb lub cev ntawm kev puas tsuaj. Cov ntsiab lus yog thawj zaug tau txais kev sib tsoo hauv kev sib tsoo, tsoo ib qho kev cuam tshuam siab, nrog kev ua tsis raug. Qee zaum ib feem puas tuaj yeem ua rau nws tus kheej.
Tab sis koj yuav tsum tau ua tib zoo xaiv cov muaj pes tsawg leeg: tsis yog ib txwm cov kua nplaum los nplaum lub bumper ntawm lub tsheb nrog koj tus kheej txhais tes yog haum rau ib tug tshwj xeeb ntawm ib feem. Ua ntej xaiv cov khoom siv kho vaj tse, nws yog ib qho tsim nyog yuav tsum paub meej tias cov khoom siv hauv pem hauv ntej yog ua los ntawm cov khoom siv. Yog li, epoxy-based adhesives yuav tsis muaj txiaj ntsig rau kev kho cov khoom siv carbon lossis fiberglass lub cev.
Muaj kev puas tsuaj
Kev puas tsuaj loj loj:
- tawg, los ntawm qhov;
- khawb, chipped paintwork, dents.
Los ntawm kev puas tsuaj rau cov hlau bumpers thiab lawv cov amplifiers yog kho los ntawm vuam, patching, tsawg zaus nrog epoxy. Yas, fiberglass, ua los ntawm kub thiab txias molding - gluing siv cov sib txuas tshwj xeeb. Tsis yog los ntawm kev puas tsuaj (scratches, dents) yog rub tawm, ncaj nraim tom qab tshem qhov ntawm lub tsheb.
kho lub tsheb
Txhua lub bumper yog cim los ntawm cov chaw tsim khoom. International Certification Letters pab koj sai sai txheeb xyuas seb cov khoom siv yog ua los ntawm.
| Kos ntawv | Khoom siv |
| ABS (ABS) | Polymer alloys ntawm butadiene styrene, tus cwj pwm los ntawm kev nce rigidity |
| RS | Polycarbonate |
| RVT | Polybutylene |
| PP | Polypropylene tsis tu ncua, nruab nrab hardness |
| PR | Polyurethane, qhov hnyav tsawg kawg nkaus |
| RA | Polyamide, nylon |
| PVC | Polyvinyl chloride |
| GRP/SMC | Fiberglass, muaj qhov hnyav tsawg kawg nkaus nrog nce rigidity |
| RE | Polyethylene |
Vim li cas cov kab nrib pleb tshwm
Lub pob yas tawg yog ib txwm yog qhov tshwm sim ntawm kev poob siab, vim cov khoom tsis corrode lossis hnav tawm. Nws tuaj yeem yog kev sib tsoo nrog kev cuam tshuam, kev sib tsoo, tshuab. Rau cov qauv polyethylene, uas yog mos dua, cov kab nrib pleb yog qhov tsis zoo. Txawm tias tom qab muaj kev huam yuaj loj heev, cov khoom siv lub cev raug tsoo thiab deformed. Fiberglass, yas thiab yas bumpers tawg ntau zaus.
Qhov kev puas tsuaj yuav kho tsis tau ntawm koj tus kheej
Txij li thaum xyoo 2005, ib qho ntawm cov chaw tshawb fawb kev lag luam AZT txuas ntxiv mus kuaj lub cev ntawm cov tuam txhab tsim kho. Raws li kev tshawb fawb ntawm cov yas bumpers, lub chaw tau lees paub cov lus pom zoo ntawm automakers rau kev kho cov yas thiab fiberglass lub cev thiab muab ib daim ntawv qhia nrog cov lej catalog rau kho cov khoom siv. Raws li cov kws tshaj lij, txhua qhov kev puas tsuaj tuaj yeem kho tau ntawm lub hnab yas.
Hauv kev xyaum, kev kho tom qab muaj xwm txheej loj yog qhov ua tsis tau zoo: nws yog pheej yig dua los yuav qhov tshiab. Tab sis cov neeg tsav tsheb tau ua tiav tshem tawm kev puas tsuaj me me ntawm lawv tus kheej:
- chips;
- tawg mus txog 10 cm;
- kab noj hniav;
- kev tawg.
Masters tsis pom zoo kom kho yog tias ib feem ntawm cov khoom tawg tag thiab ploj, nrog rau thaj tsam loj ntawm cov kab pheeb ces kaum ntawm lub lateral thiab hauv nruab nrab. Nws muaj peev xwm muab cov nplaum nplaum rau ntawm lub tsheb nruj nreem tsuas yog coj mus rau hauv tus account cov khoom ntawm ib feem thiab siv txoj kev kho kom tsim nyog.
Cov ntaub ntawv dab tsi yog siv los nplaum lub bumper
Nyob ntawm seb yuav ua li cas nplaum lub tsheb bumper, cov khoom siv thiab cov cuab yeej raug xaiv. Txhawm rau kho qhov tawg ntawm cov yas los yog fiberglass, cov txheej txheem fiberglass bonding yog siv. Koj yuav xav tau:
- kua nplaum tshwj xeeb los yog daim kab xev nplaum;
- polyester cob (los yog epoxy);
- fiberglass;
- degreaser;
- pib txha hniav laus;
- putty, tsheb primer.
Los ntawm cov cuab yeej siv lub grinder. Nrog nws cov kev pab, kho ntug ntawm lub bumper yog npaj thiab kev sib tsoo zaum kawg yog nqa tawm.
Sib tsoo lub bumper grinder
Thaum siv cov txheej txheem kub sealing rau gluing yas overlays, nws yog ib qho tsim nyog los txiav txim siab qhov kub thiab txias. Tom qab overheating, cov yas yuav nkig, tsis muaj peev xwm tuav lub reinforcing mesh, uas yog muab tso rau kho qhov tawg. Txoj kev no suav hais tias nyuaj thiab tsim nyog rau cov khoom siv thermoplastic.
Adhesive raws li polyurethane
Cov nplaum nplaum raug xaiv raws li polyurethane muaj siab adhesion, sai sai ua rau puas array, thiab tsis kis. Tom qab ziab, nws yog ib qho yooj yim rau xuab zeb, muaj siab tshaj plaws kev co kuj thiab withstands tseem ceeb quab yuam.
Ib qho ntawm cov pov thawj pov thawj uas tso cai rau koj los lo rau lub tsheb nrog koj tus kheej txhais tes yog Novol Professional Plus 710 kho cov khoom siv. Cov kua nplaum ua haujlwm nrog cov yas, hlau. Tsis poob cov yam ntxwv thaum siv rau acrylic primers. Tom qab qhov muaj pes tsawg leeg tau hardened, qhov saum npoo yog av nrog sandpaper, polished thiab pleev xim rau.
Bumper nplaum khoom siv
Nws kuj tseem tuaj yeem ua cov nplaum lub tsheb yas nrog ob lub nplaum nplaum raws li Teroson PU 9225 polyurethane. Cov muaj pes tsawg leeg yog tsim los kho cov khoom feem ntau ua los ntawm ABC yas, PC, PBT, PP, PUR, PA, PVC (polyethylene, polyurethane, polypropylene) yas. Cov chaw tsim khoom pom zoo kom siv cov khoom sib xyaw nrog rab phom kua nplaum, thiab rau cov kab nrib pleb loj, siv fiberglass los txhawb cov qauv.
Universal superglue
Koj tuaj yeem muab cov nplaum nplaum ntawm lub tsheb thaum koj tsis paub meej tias chav kawm ntawm cov yas nws yog ua los ntawm, koj tuaj yeem siv superglue. Cov kab ntawm cov khoom siv hluavtaws muaj ntau tshaj li ib puas yam khoom. Ua ntej gluing, cov yas tsis tuaj yeem npaj tau, cov txheej txheem dries ntawm 1 mus rau 15 feeb, tom qab stripping nws khaws cov xim zoo.
Plaub hom yog nrov tshaj plaws.
- Alteco Super Glue Gel (Singapore), tawg quab yuam - 111 N.
- DoneDeal DD6601 (USA), 108 N.
- Permatex Super Glue 82190 (Taiwan), lub zog tensile siab tshaj plaws - 245 N.
- Lub Hwj Chim ntawm Superglue (PRC), 175 N.
Qhov siab Super Gel
Superglue yog qhov zoo rau gluing qhov khoob uas hla ntawm ntug ntawm ib feem, sau cov kab nrib pleb. Nws raug nquahu kom tiv thaiv lub sijhawm compression ntawm cov khoom. Tom qab ziab, cov kua nplaum ntxiv yog muab tshem tawm nrog cov ntawv zoo abrasive.
Sealing nrog fiberglass thiab epoxy
Txoj kev nrov tshaj plaws los kho cov yas bumper. Epoxy kua nplaum yog xaiv ob feem - nws yuav tsum tau npaj ua ntej siv. Epoxy resin thiab hardener yog muag hauv ib lub thawv cais.
Kev siv ib qho epoxy nplaum nplaum yog yooj yim dua vim tias cov khoom sib xyaw tsis tas yuav tsum tau npaj. Tab sis cov kws txawj ua txuj ci sau tseg tias ob lub ntsiab lus muab lub zog ntau dua.
Adhesive xaiv txoj cai
Nws yog ib qho tsim nyog los pib kho nrog kev xaiv ntawm cov nplaum nplaum, uas, tom qab hardening, yuav tsum:
- tsim ib qho qauv nrog lub bumper;
- tsis txhob tawg thaum txias;
- tsis txhob exfoliate nyob rau hauv tus ntawm cov kub kub;
- yuav tiv taus aggressive reagents, roj av, roj.
Txhawm rau muab cov yas yas rau ntawm lub tsheb nrog koj tus kheej txhais tes, siv cov ntaub ntawv hauv qab no:
- Weicon Kev Tsim Kho. Adhesive muaj siab elasticity thiab lub zog. Tom qab hardening tsis tawg. Txhawm rau ntxiv dag zog rau cov qauv thaum kho cov kab nrib pleb loj thiab qhov tsis raug, nws yog siv nrog fiberglass.
- AKFIX. Adhesive rau qhov chaw sib txuas. Tsim nyog yog tias qhov tawg los yog qhov tob ntawm qhov tsis ntau tshaj 3 cm. Thaum siv cov primer, koj tsis tuaj yeem siv nws.
- Hwj chim Plast. Nquag kaw cov kab nrib pleb loj. Cov muaj pes tsawg leeg yog resistant rau txhoj puab heev reagents, dej. Ib qho nplaum nplaum yog tshuaj lom, nws yog qhov tsim nyog los ua haujlwm nrog hnab looj tes thiab lub tshuab ua pa.
Thermoplastic thiab thermoset adhesives yog siv yog hais tias lub bumper yog tam sim ntawd pleev xim rau tom qab kho, nyob rau hauv cov ntaub ntawv no muaj pes tsawg leeg yuav txhim kho qhov tawg raws li kev ntseeg tau.
Kev sib txuas technology
Kev kho muaj ntau yam yuav tsum tau ua uas tsis tuaj yeem hla lossis hloov pauv.
- Tshem lub bumper. Yog tias cov ntaub yas tawg tau tawg nyob rau hauv ntau qhov chaw, ua ntej tshem tawm, koj yuav tsum tau kho nws nrog daim kab xev los ntawm sab nraud (kom qhov seem tsis sib nrug).
- Kev npaj ua haujlwm suav nrog kev xaiv cov nplaum sib xyaw, xaiv cov cuab yeej, kev tu lub bumper, kev npaj nto. Tag nrho cov hauj lwm yog ua nyob rau hauv ib tug sov so, zoo-ventilated cheeb tsam.
- Gluing txheej txheem.
- Sib tsoo.
- Painting.
Glued bumper
Yog tias tsim nyog los kho qhov tawg me me, nti lossis khawb tob, tom qab npaj lub bumper, kua nplaum yog siv los ntawm sab nraud, sau qhov sib txawv ntawm qhov sib xyaw, thiab maj mam nias lub yas. Yog tias qhov tawg yog qhov tseem ceeb, hla lub ntug ntawm lub hauv ob sab phlu, siv epoxy kua nplaum thiab fiberglass.
Kev cob qhia
Npaj lub bumper ua ntej gluing nrog epoxy thiab fiberglass kauj ruam yog kauj ruam (yog hais tias muaj ib tug tseem ceeb tawg):
- Ntxuav bumper, qhuav.
- Xuab zeb rau thaj chaw puas nrog cov ntawv xuab zeb ntxhib, qhov no yuav ua rau kom adhesion, degrease nrog dawb ntsuj plig.
- Kho qhov chaw tawg.
Los ntawm sab nraud, npog tag nrho cov kab nrib pleb nrog cov kua nplaum kub (siv phom) lossis plasticine. Qhov no yuav tiv thaiv cov epoxy los ntawm ntws tawm thaum lub sij hawm ziab thiab yuav kaw lub seam yav tom ntej. Kaw sab nraud nrog daim kab xev nplaum tshaj qhov kub yaj nplaum nplaum. Qhov no tseem yuav khaws cov duab ntawm lub bumper thaum lub sijhawm kho.
Cov ntaub ntawv thiab cov cuab yeej
Yog tias muaj qhov sib txawv loj, nws yog qhov yuav tsum tau kaw lub bumper ntawm lub tsheb nrog ob feem epoxy nplaum, uas yog diluted ua ntej ua haujlwm tseem ceeb. Kev tawm tswv yim zoo los ntawm cov neeg tsav tsheb tau txais los ntawm ob lub ntsiab lus ntawm Khimkontakt-Epoxy nyob rau hauv cov khoom, ib qho khoom siv Nowax STEEL EPOXY ADHESIVE (steel 30 g).
Yam koj xav tau rau kev ua haujlwm:
- epoxy - 300 g;
- fiberglass - 2 m;
- txhuam;
- tsheb primer, degreaser, tsheb enamel;
- emery, txiab.
Kho cov txheej txheem
Ntsuas qhov xav tau ntawm fiberglass kom npog tag nrho cov pob txha tawg, txiav tawm. Masters pom zoo kom siv tsis yog fiberglass, tab sis fiberglass los nplaum lub bumper ntawm lub tsheb. Cov khoom yuav ua rau kom qhov ntom ntawm cov seam thiab nws lub zog.
Dilute cov epoxy yog tias siv ob lub ntsiab lus. Siv 10-12 qhov chaw ntawm cob, 1 feem ntawm hardener, sib tov kom huv si. Tso rau 5 feeb hauv qhov chaw sov (20-23 degrees).
Kho cov txheej txheem ib ntus:
- Lubricate cov khoom siv hauv lub cev nrog ntau cov kua nplaum.
- Txuas fiberglass, nias nws tiv thaiv lub bumper, tsau nws nrog kua nplaum, xyuas kom meej tias tsis muaj cua nyob.
- Lubricate nrog kua nplaum, lo cov ntaub nyob rau hauv 2-3 txheej.
- Siv cov kua nplaum kawg.
- Muab lub bumper tso rau hauv qhov chaw sov li 24 teev, qhov zoo dua hauv txoj kev no kom txo tau qhov kev ntxhov siab ntawm qhov tawg, tab sis tsis nyob rau sab, vim cov resin yuav ntws thaum nws hardens.
Bumper painting tom qab kho
Cov kauj ruam kawg yog puttying thiab painting. Tom qab cov kua nplaum tau qhuav rau sab nraud, lub bumper yog sanded thiab primed, tom qab ziab nws yog pleev xim rau.
Fiberglass bumper kho
Cov khoom siv fiberglass lub cev yog cim UP, PUR, yog tsim los ntawm kev kub thiab txias. Lub ntsiab mob rau kev kho tus kheej yog siv cov resin lossis polyester resin ua cov nplaum.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov resin tsis yog kua nplaum, nws muaj qhov tsawg kawg nkaus ntawm qhov adhesion rau qhov chaw du. Yog li ntawd, ua ntej sizing, qhov saum npoo yog av nrog ntxhib emery thiab ua tib zoo degreased. Fiberglass yog siv los ua sealant. Cov cuab yeej thiab cov khoom tsim nyog:
- polyester cob + hardener;
- fiberglass.
Yuav ua li cas rov qab gloss thiab uniformity ntawm cov xim pleev xim rau ntawm qhov chaw ntawm qhov tawg
Sanding thiab priming yog theem kawg ntawm kev ua haujlwm ua ntej pleev xim. Lub complexity ntawm lub zos painting nyob rau hauv lub fact tias nws yog yuav luag tsis yooj yim sua kom khaws cov thawj xim. Txawm hais tias koj xaiv cov enamel ntawm cov cim thawj, chav kawm thiab hom, xim tseem yuav tsis sib xws. Yog vim li cas yog qhov yooj yim - xim ntawm cov khoom siv lub cev pleev xim tau hloov pauv thaum lub sijhawm ua haujlwm.
Kev pleev xim rau lub bumper yog qhov yooj yim tshaj plaws los hloov kho ib feem. Tom qab tha xim, ib feem yog polished nrog cov voj voog mos thiab acrylic xim tsis muaj kua roj vanish, uas khaws cov gloss ntawm cov xim pleev xim rau lub sijhawm ntev thiab theem tawm qhov sib txawv ntawm lub suab yog tias nws tsis tuaj yeem nrhiav cov xim qub.
