A na-eji usoro eserese eserese
01
Enwere ike kewaa usoro usoro mkpuchi nkịtị dịka mkpuchi, usoro mkpuchi abụọ (primer + uwe elu); usoro mkpuchi atọ (primer + mkpuchi ọkara + mkpuchi elu ma ọ bụ agba flash metal / mkpuchi ọkụ varnish); usoro mkpuchi anọ (primer + mkpuchi mkpuchi + mkpuchi elu + mkpuchi ọkụ varnish, dabara maka ụgbọ ala okomoko nwere ihe mkpuchi dị elu).
N'ozuzu, ihe a na-ahụkarị bụ usoro mkpuchi atọ, ihe ịchọ mma nke ụgbọ ala dị elu, ụgbọ ala na njem nlegharị anya, ụgbọ ala ụgbọ ala na-ejikarị usoro mkpuchi atọ.
Dị ka ọnọdụ ihicha, ọ nwere ike kewaa n'ime usoro ihicha na ikpochapụ onwe ya. Usoro ihicha kwesịrị ekwesị maka mmepụta ahịrị mgbakọ ukwu; usoro ihicha onwe ya kwesịrị ekwesị maka obere mmepụta ihe osise nke eserese ụgbọ ala na nnukwu eserese ahụ pụrụ iche nke ụgbọ ala.
Usoro mkpuchi izugbe nke nnukwu ụgbọ ala na ọdụ ụgbọ ala bụ nke a:
Tupu ọgwụgwọ (mwepụ mmanụ, mwepụ nchara, ihicha, tebụl ukpụhọde) phosphating ihicha akọrọ primer akọrọ putty keadighi rarii scraping (akọrọ, egweri, hichaa) putty fine scraping (akọrọ, egweri, hichaa) na mkpuchi (akọrọ, egweri, hichaa) mgbakwasa (ihicha ngwa ngwa, nkụ, egweri, hichaa) agba elu (akọrọ ma ọ bụ mkpuchi) nkewa agba (ihicha)
Usoro ọgwụgwọ elu ihu
02
Iji nweta ihe mkpuchi dị elu, a na-akpọ pretreatment nke mkpuchi mkpuchi tupu ihe osise a na-akpọ ọgwụgwọ elu agba. Ngwọta dị n'ihu bụ ihe ndabere nke usoro mkpuchi, nke na-enwe mmetụta dị ukwuu n'ịdị mma nke mkpuchi ahụ dum, karịsịa gụnyere ihicha elu (mwepụ mmanụ, iwepụ nchara, mkpochapụ ájá, wdg) na ọgwụgwọ phosphating.
Enwere ụzọ dị iche iche maka ihicha elu:
(1) Jiri lye na-ekpo ọkụ mee ka ọ dị ọcha ma kpochaa ya na ihe mgbaze organic iji wepụ mmanụ; kpochapu ya na 320-400 sandpaper n'elu FRP, wee kpochaa ya na ihe mgbaze organic iji wepụ ihe nkiri; A ga-ehichapụ nchara na-acha odo odo n'elu ahụ nke ụgbọ ala ahụ na phosphoric acid iji hụ na mkpuchi ahụ nwere ezigbo nguzogide corrosion na mma mmachi n'elu mkpuchi.
(2) Ọgwụgwọ kemịkalụ dị iche iche nke ebe a na-ehicha nke ọma nke akụkụ ọla ndị a kpuchiri ekpuchi iji meziwanye nchikota na nguzogide corrosion nke ihe nkiri agba. Ọgwụgwọ kemịkalụ pụrụ iche nke akụkụ efere ígwè iji meziwanye ike njikọta nke ihe nkiri agba na mkpụrụ.
(3) Jiri usoro ihe eji eme ihe na-ewepụ ntụpọ machining nke ihe mkpuchi na ihe siri ike achọrọ iji mepụta ihe nkiri mkpuchi. Ọgwụgwọ phosphate nwere ịgba ntụtụ yana imikpu n'ime ya. Ihe nkiri zinc nnu ngwa ngwa ọgwụgwọ phospholation, phospholated membrane mass bụ 1-3g / m, akpụkpọ ahụ bụ 1-2 μm gbara ọkpụrụkpụ, nha kristal bụ 1-10 μm, enwere ike phosphorated site na obere okpomọkụ 25-35 ℃ ma ọ bụ ọkara okpomọkụ 50 -70 ℃.
Angwa
03
1. fesa primer
Ihe mkpuchi primer bụ ihe ndabere nke mkpuchi ahụ dum, na nchikota ike na mgbochi corrosion nke mkpuchi ụgbọ ala na ígwè na-enweta ya site na ya. Ekwesịrị ịhọrọ primer na nchara siri ike (nnu nnu 500h), nrapado siri ike na mkpụrụ (nwere ike ime mgbanwe na ihe dị iche iche nke mkpụrụ n'otu oge), ngwakọta dị mma na mkpuchi mkpuchi ma ọ bụ topcoat, ezigbo mkpuchi n'ibu (mmetụta 50cm). ike 1mm, ike ike 0.5) mkpuchi dị ka primer.
Iji ikuku spraying usoro (nwekwara ike họrọ elu mgbali na-enweghị gas spraying) spraying priming, nwere ike iji mmiri aka mmiri usoro ọbụna fesa abụọ ọwa, ewu viscosity 20-30s, onye ọ bụla nkeji nke 5-10min, mgbe spraying flash 5-10min n'ime oven. , primer akọrọ film ọkpụrụkpụ 40-50 μ m.
2. Ichapu putty
Ebumnuche nke ikpochapu putty bụ iji kpochapụ ihe na-adịghị mma nke ihe mkpuchi.
Ekwesịrị ịsacha puputty na oyi akwa akọrọ akọrọ, ọkpụrụkpụ nke mkpuchi n'ozuzu anaghị agafe 0.5mm, a ga-eji usoro ihe mkpocha ọhụrụ ahụ mee ihe. Usoro a dị mfe na-etolite nnukwu ebe nke putty, n'okpuru premise nke na-adịghị emetụta mmepụta usoro, ọ na-atụ aro na ọ bụla scraping putty kwesịrị akpọnwụwo na polished larịị, na mgbe ahụ scrapi ọzọ putty, putty ka scrape 2-3 ugboro. ọ dị mma, nke mbụ na-ekpo ọkụ na-ekpo ọkụ ma na-ekpochasị ihe dị mkpa, nke mere na-eme ka ike nke oyi akwa putty dịkwuo mma ma na-eme ka ọ dịkwuo mma.
Iji usoro nke igwe egweri putty, sandpaper nhọrọ nke 180-240 ntupu.
3. Tinye na ịgba
Iji static spraying ma ọ bụ ikuku spraying usoro, ịgbasa na mkpuchi, nwere ike imeziwanye nkume mgbochi nke mkpuchi, na-eme ka adhesion na primer, melite flatness na ire ụtọ nke elu mkpuchi, iji melite njupụta na ọhụrụ echiche nke elu agba. .
Ọkara mkpuchi izugbe mmiri mmiri na-aga n'ihu spraying abụọ, na-ewu viscosity bụ 18-24s, onye ọ bụla etiti oge nke 5-10min, flash 5-10min n'ime oven, ọkpụrụkpụ nke ọkara mkpuchi akọrọ film ọkpụrụkpụ bụ 40-50 μ m.
4. fesa agba
Iji static spraying ma ọ bụ ikuku spraying usoro, fesa ụgbọ ala n'elu agba, nwere ike na-etolite a ihu igwe na-eguzogide, ọhụrụ echiche na luster nke magburu onwe ihe nkiri.
N'ihi na ụdị dị iche iche nke ihe owuwu ihe, nkọwa, dum igwe arọ, nnukwu akụkụ, n'ozuzu na-eji spraying usoro maka eserese.
Ngwa ịgbasa na-agụnye egbe ịgba ikuku, egbe ịgba ikuku na-enweghị ikuku, egbe ikuku enyemaka ikuku na egbe ịgbasa static. Igwe ịgba ikuku ikuku na-efesa arụmọrụ nke egbe ikuku ikuku dị ala (ihe dị ka 30%), egbe ikuku ikuku na-eme ka ọ dị elu na-emebi agba, njirimara a na-ahụkarị nke mmetọ gburugburu ebe obibi abụọ dị njọ karị, ya mere ọ dịla ma dochie ya. ikuku na-enyere aka ịgbasa egbe na obere egbe injection electrostatic.
Dị ka ihe atụ, ụlọ ọrụ ndị mbụ na-arụ ihe owuwu n’ụwa——— Ụlọ ọrụ Caterpillar America na-eji égbè ikuku na-enyere ikuku aka ịgbasa, ihe mkpuchi ahụ na akụkụ ndị ọzọ dị mkpa na-ekpuchi efere na-eji égbè a na-ebugharị ebugharị. Ihe osise maka igwe ihe owuwu n'ozuzu na-anabata ụlọ eserese mmiri dị elu karịa.
Obere na ọkara akụkụ nwekwara ike iji mmiri ákwà mgbochi ime ụlọ ma ọ bụ enweghị mgbapụta ime ụlọ, nke mbụ nwere elu arụmọrụ, nke ikpeazụ bụ echekwa, adaba na bara uru. N'ihi na nnukwu okpomọkụ ike nke dum engineering ígwè na akụkụ, na ihicha nke mgbochi nchara mkpuchi n'ozuzu adopts ihicha usoro nke ihicha achịcha na-ekpo ọkụ ikuku convection. Enwere ike ịmegharị ebe ikpo ọkụ dị ka ọnọdụ mpaghara, họrọ uzuoku, ọkụ eletrik, mmanụ dizel dị ọkụ, gas sitere n'okike na gas na-ekpo ọkụ.
Usoro mkpuchi ụgbọ ala nwere njirimara nke ya na mesiri ike dịka ụdị ụgbọ ala dị iche iche si dị:
(1) Akụkụ mkpuchi isi nke gwongworo ahụ bụ ụgbọ mmiri n'ihu nke nwere ihe mkpuchi kachasị elu; akụkụ ndị ọzọ, dị ka ụgbọ ala na etiti, dị ala karịa ụgbọ ala.
(2) Enwere nnukwu ọdịiche dị n'etiti eserese ụgbọ ala na gwongworo. Ahụ ụgbọ ala na-agụnye girder, ọkpụkpụ, ime ụgbọ ala na elu nke ahụ, n'etiti nke elu elu nke ahụ dị elu. N'elu elu nke ụgbọ ala ahụ ọ bụghị nanị na-achọ nchebe dị mma na ihe ịchọ mma, kamakwa ọ nwere nnukwu ebe ịgba mmiri, ọtụtụ ụgbọ elu, karịa agba abụọ, na mgbe ụfọdụ ụgbọ ala rịbọn. Ya mere, oge ihe owuwu ahụ dị ogologo karịa gwongworo, ihe ndị a chọrọ n'iwu dị elu karịa gwongworo, usoro ihe owuwu ahụ dịkwa mgbagwoju anya karịa ụgbọ ala ahụ.
(3) Ụgbọ ala na obere ụgbọ ala ọdụ, ma n'elu ihe ịchọ mma ma ọ bụ nchebe ala dị elu karịa nnukwu ụgbọ ala na ụgbọala chọrọ. Mkpuchi elu ya bụ nke mbụ ọkwa nke ịchọ mma nkenke, na ọdịdị mara mma, na-egbuke egbuke dị ka enyo ma ọ bụ dị larịị, ọ dịghị mma adịghị mma, abrasions, cracks, wrinkles, foaming na anya ntụpọ, na kwesịrị inwe ike zuru ezu n'ibu ike.
Ihe mkpuchi nke ala bụ ihe mkpuchi nchebe magburu onwe ya, nke kwesịrị inwe ezigbo nchara na nguzogide corrosion na nchikota siri ike; ele mmadụ anya n'ihu ma ọ bụ niile putty na ezi adhesion na elu n'ibu ike agaghị nchara ma ọ bụ dapụ ruo ọtụtụ afọ.
Oge nzipu: Jan-03-2023
