I-Automobile bumper ngokubanzi inokohlulwa ibe yi-bumper yentsimbi kunye ne-glass-reinforced steel bumper iindidi ezimbini, itekhnoloji yokwaleka kwayo yahlukile.

(1) Ukugquma kwee-bumpers zetsimbi

Gxuma ngelaphu lomqhaphu kunye nokunye ukususa amabala e-oyile, kunye ne-60 ~ 70 ilaphu le-abrasive ukususa umhlwa, ngomoya oxinzelelweyo, iitawuli kunye nolunye uthuli olucocekileyo oludadayo.

Tshazai-primer ene-viscosity ye-22-26s H06-2 yentsimbi ebomvu epoxy primer okanye i-C06-l yentsimbi ebomvu yotywala. Bhaka i-primer LH kwi-120 ℃ nge-24h. Ubukhulu buyi-25-30um. Khupha i-putty nge-ash alkyd putty, bhaka kwi-24h okanye i-100 ℃ ye-l.5h, uze ugaye nge-sandpaper ye-240 ~ 280 yamanzi de igude, ihlambe kwaye yome. Gcoba isiphelo sokuqala ngepeyinti yemagnethi ye-viscosity emnyama ye-alkyd, yome kwiqondo lobushushu le-24h okanye i-l00 ℃ ye-lh, emva koko ngobunono polisha umphezulu wefilimu nge-280-320 inani le-sandpaper yamanzi, uyikhuhle icoceke kwaye yome. Tshiza i-topcoat yesibini kwaye womise i-40 ~ 60min kwi-80-100 ℃ nge-24h.ukutyabekaifilimu iyafana naleyo yebhanti.

Inkqubo yokupeyinta i-metal bumper yile ilandelayo.

1)Esisisekounyango: Okokuqala susa ioli nge-cotton yarn fungus petroli, uze ususe umhlwa nge-60 ~ 70 ilaphu le-emery, uvuthele ngomoya ocinezelweyo okanye ucoce umlotha odadayo ngebrashi.

2)Ukutshiza i-primer yentloko: Nciphisa i-H06-2 yentsimbi ebomvu ye-epoxy ester primer okanye i-C06-1 yentsimbi ebomvu ye-alkyd primer ukuya kwi-viscosity ye-22 ~ 26s, kwaye ngokulinganayo ukutshiza ngaphakathi nangaphandle kwe-bumper. Ifilimu yepeyinti kufuneka ibe yi-25 ~ 30um ubukhulu emva kokumisa.

3)Ukomisa: I-24h yokuzomisa kwiqondo lokushisa eliqhelekileyo, okanye i-epoxy ester primer kwi-120 ℃ yokomisa i-lh, i-alkyd primer kwi-100 ℃ i-drying lh.

4) Ukukrala iputty; Nge-gray alkyd putty, krazula kwaye ugudise indawo engalinganiyo, ubukhulu be-putty layer bufanelekile kwi-0.5-1mm.

5) Ukomisa: Ukuzomisa kwiqondo lokushisa kwe-24h okanye ukomisa kwi-100 ℃ nge-5h.

6) Ilitye lokusila lamanzi; Ngama-240 ~ 280 amanzi e-sandpaper, i-putty inxalenye yamanzi yokugaya igudileyo, yosula, yomile okanye yomile ubushushu obuphantsi.

7) Tshiza idyasi yokuqala ephezulu: Nciphisa i-alkyd enamel emnyama kwi-viscosity ye-l8-22s, ihluzo kwaye ucoceke, kwaye ngokulinganayo utshize idyasi enye.

8) Ukomisa: Ukuzomisa kwiqondo lokushisa kwegumbi le-24h okanye ukomisa kwi-100 ℃

9) Ukugaya amanzi: kunye ne-80 ~ 320 ye-sandpaper yamanzi, i-putty inxalenye yamanzi yokugaya igudileyo, isula, imile okanye iphantsi kweqondo lokushisa eliphantsi.

10)Tshiza idyasi yesibini: nciphisa i-alkyd enamel emnyama ukuya kwi-viscosity ye-18 ~ 22s, kwaye ngokulinganayo utshize umphezulu ongaphambili kunye nomgangatho wesibini kunye. Emva kokutshiza, ifilimu kufuneka ihambe kakuhle kwaye ikhanye, kwaye akufanele kubekho iziphene ezinjengokuvuza, ukushwabana, ukuxubha, ukugeleza, ukuqokelela kwepeyinti kunye nokungcola.

11)Ukomisa: ukuzomisa i-24h okanye i-40-60min kwi-80-100 ℃. Ukupeyinta i-bumper yensimbi, ukuze ufumane ifilimu yokubambelela eqaqambileyo, eqinile kwaye eqinile, kukulungele ukupenda ipeyinti yokumisa i-amino, ukuze kuphuculwe umgangatho wefilimu; Kwii-bumpers zetsimbi ezifuna ukuhlanganiswa ngokukhawuleza, ukwenzela ukunciphisa ixesha lokwakha kunye nokuphucula ukusebenza kakuhle kwemveliso, i-nitro enamel coating ingasetyenziswa. Xa utshiza ingubo ephezulu, imigca emi-2-3 inokutshizwa ngokuqhubekayo, kwaye i-lh inokuhlanganiswa kwaye isetyenziswe emva kokutshiza.

(2)Ukufakwa kweFRPIbhampa

1)Ukukhupha iwaxini: FRP bumper kwiimvelisodefilm, umphezulu uhlala unomaleko wewax. Ukuba i-wax ayisuswanga ngokucokisekileyo, iya kuchaphazela ngokukrakra ukunamathela kwengubo, ukwenzela ukuba ifilimu yokugqoka iya kuba yi-delamination xa idibana nokungqubana okunzima (ukuwa). Ngoko ke, i-wax kufuneka isuswe ngokucokisekileyo ukuqinisekisa umgangatho wepeyinti. Kukho iindlela ezimbini zokukhupha i-waxing: ukuhlamba ngamanzi ashushu kunye nokuhlamba i-solvent. Xa usebenzisa amanzi ashushu kwi-dewaxing, cwilisa i-workpiece emanzini ashushu kwi-80-90 ℃ nge-3-5 min. Emva kokuba i-wax inyibilikile kwaye ihlanjiwe, i-wax inokususwa ngokuyintywilisela ku-60-70℃ emanzini ashushu i-2 ukuya kwi-3min. Xa i-solvent ye-organic isetyenziselwa i-dewaxing, i-workpiece surface inokucolwa ngeNombolo ye-60 ~ 70 ye-emery cloth, kwaye ke i-wax inokuhlanjwa ngokuphindaphindiweyo nge-xylene okanye amanzi ebhanana.

2) Ukukrala iputty: Sebenzisa i-pervinyl chloride putty okanye i-alkyd putty ukukrwela indawo engalinganiyo ecaba. Ngenxa yokoma okukhawulezayo, i-pervinyl chloride putty inokukhutywa ngokuqhubekayo kwaye igqunywe de igudiswe.

3) Ukomisa: i-pervinyl chloride putty eyomileyo ye-4 ~ 6h, i-alkyd putty ye-24h.

4)Ukugaya amanzi: kunye ne-260 ~ 300 ye-sandpaper yamanzi, i-greasy layer emva kokuphindaphinda kwamanzi okugaya ukusula okugudileyo, ukomisa okomileyo okanye okuphantsi kobushushu.

5)Iprimer yokutshiza: sebenzisa i-C06-10 i-alkyd engwevu i-alkyd ye-primer ye-channel slurry (i-channel-slurry e-two-channel) ukuvuselela ngokucokisekileyo kwaye ngokulinganayo kuqala, uze udibanise i-xylene ukuyihlambulula kwi-viscosity ye-22 ~ 26s, kwaye ngokulinganayo utshize ubuso bobuso. Ubunzima befilimu yepeyinti ngexesha lokutshiza buya kugqitywa ngokuzalisa ngokupheleleyo iimpawu zesanti.

6) Yomisag: self-zomisa 12h okanye 70 ~ 80℃ owomileyo Lh.

7) Ukukhuhla ubuthathaka: Sebenzisa i-vinyl chloride putty okanye i-nitro putty kwaye wongeze inani elincinci le-diluent ukudibanisa kwi-putty edibeneyo. Krwela ngokukhawuleza kwaye ugudise umngxuma wephini kunye nezinye iziphene ezincinci. Njengokutsheva kanzima. Ukucoca ngokuqhubekayo kunye neengubo ze-2 ~ 3 amaxesha.

8) Ukomisa: I-nitro putty eyomileyo ye-1-2h kunye ne-pervinyl chloride putty ye-3-4h.

9)Ukugaya amanzi: iindawo zeputty kunye ne-280-320 yamanzi e-sandpaper yokusila amanzi, kwaye emva koko kunye ne-sandpaper ye-360 yamanzi, iindawo ze-putty kunye nobuso bayo yonke ifilimu yepeyinti ebanzi yokugaya amanzi agudileyo, osule ngokuphindaphindiweyo, owomileyo okanye obushushu obuphantsi.

10)Tshiza idyasi yokuqala:

Nciphisa ipeyinti ye-perchlorethylene okanye i-alkyd umazibuthe ipeyinti (emnyama okanye engwevu) ukuya kwi-18 ~ 22s viscosity, fafaza ngaphakathi nangaphandle kwendawo yokusebenza kancinci kwaye ngokulinganayo.

11)Ukomisa:

Ipeyinti yePerchlorethylene yomisa i-4 ~ 6 iiyure, i-alkyd ipeyinti yomisa iiyure eziyi-18-24.

12)Amanzi mill:

Ngomdala we-360 okanye i-40 ye-sandpaper yamanzi, ifilimu yepeyinti yobuso ngobuso iya kuba ngamanzi okugaya ngokugudileyo, ukuxubha, ukomisa.

13)Tshiza idyasi yesibini:

Perchlorethylene umazibuthe ipeyinti ukuya viscosity ka 16-18s, alkyd umazibuthe ipeyinti ukuya viscosity ka 26 ~ 30s, ibumper ngaphakathi nangaphandle zonke ngokulinganayo ukutshiza kunye, xa ukutshiza kufuneka ingqalelo ipeyinti ehambelanayo.Ukuba ivanishi yokuqala perchlorethylene, ivanishi unako zitshizwe nokuba ngevinyl chloride okanye ivanishi yealkyd. Ukuba i-varnish yokuqala i-alkyd varnish, i-varnish inokutshizwa kuphela nge-alkyd varnish, kungekhona i-vinyl chloride varnish.

(14)Ukomisa:

Ipeyinti yePerchlorethylene yomisa iiyure eziyi-8-12, ipeyinti ye-alkyd yomisa iiyure ezingama-48.

15) Iukuhlolwa:

Iifilimu yepeyinti kufuneka igudiswe, icwebezele, ibambelele kakuhle, ingabi namagwebu, izele, ijinga, ijinge, ikhuphe ukukhanya okungalinganiyo, imibimbi, ukungcola kunye nezinye iziphene. kunye nezinye iziphene.

Indlela yokuchitha ngaphantsi xa kufuneka uphinde upeyinte iibumpers

Ukuthetha jikelele,xa i-bumper yangaphambili ye-aimotoikrwelwe emnyama, oko kuthetha ukuba umkrwelo unzima kakhulu uyonakalisa ipeyinti, kwaye ukuba eli tyala liza kusingathwa, kufuneka lipeyintwe kwakhona.Kukwafuneka wenze isigqibo sokuba ipeyinti ifuna ukupeyintwa kwakhona okanye hayi. Umzekelo, ukuba ububanzi bepeyinti buncinci, akusekho mfuneko yokutshiza ipeyinti, kodwa kuphela ukwenza umsebenzi ohambelanayo wokulungisa ingxaki. Nantsi indlela esiya kusebenza ngayo, ukuze sichithe ubuncinane. imali yokusombulula ingxaki yokukrwela ipeyinti.

1. Izixhobo ezifunekayo: I-sandpaper, isipontshi, ukukhanda, ukucudisa, ukutshiza ipeyinti, iteyiphu yenjongo zonke, inkqubo yokuhlola: Xa i-bumper ifunyenwe ngexesha, phuma emotweni ukukhangela indawo ngqo kwaye wenze isicwangciso sokulungisa. umzekelo, luhlobo luni lwesanti ofuna ukuyisantiya, umaleko ekufuneka ugalelwe isanti, kunye nokufana okufuneka kufakwe ipeyinti yokutshiza? Inyathelo

2. Hlamba inxeba elonakeleyo kwinyathelo elilandelayo.Ubungakanani bexesha elifunekayo kule nkqubo limiselwa yinqanaba lokwenzakala kwaye likwanxulumene nendlela olilola ngayo.

        3. Ukucoca kwakhona: Olu kucoca kwakhona kukususa ukungcola kwinkqubo yokusila, inyathelo elilandelayo elingcono, inkqubo yokuzalisa udaka: ngexesha lenkqubo yokusila, ukuxhaswa kweziyobisi, ngokukhethekileyo ukusebenzisa ngokulinganayo, kungekhona kakhulu kodwa ngaphaya kwendawo yesilonda. kwakhona ukuthambisa umphezulu we-concave uze ulinde ngaphezu kweeyure ezimbini ukuze udaka lome;

4 . Qhubeka nokugulisa: Le yokugulisa usebenzisa 600 inani sandpaper, kodwa ukunika umphambili udaka butt amahlwempu.De inxeba ligudileyo kwenye ipeyinti, kungenjalo ipeyinti yokutshiza iya kuba mbi kakhulu.Le nkqubo ithatha ngaphantsi kwemizuzu eyi-10 ukucoca. phezulu kwakhona: oku kucoca kwakhona kukususa ukungcola okuseleyo kumanyathelo okuqala ambalwa, ngeli xesha uhlambe ngokulula kwaye ulinde ukomiswa;

5.Ukusetyenziswa kweteyiphu yokuncamathelisa: ukulungiselela inyathelo elilandelayo lokutshiza ipeyinti, kunye nokuthintela ukungcoliseka kweminye imiphezulu yepeyinti epheleleyo.Inkqubo yokupeyinta yokutshiza: Xa le projekthi ingabalwa njengoko iphantse yaphela, ipeyinti enkulu kufuneka itshizwe ngokulinganayo, ngokufanelekileyo. ngaphandle komehluko wombala.Okokugqibela, linda ipeyinti yome ngaphambi kokuba usebenzise iwax yokupolisha.