Kazhinji shangu dzepamusoro dzematehwe ekupedzisa matambudziko zvinowanzowira muzvikamu zvinotevera.
1. Dambudziko rekugadzirisa
Mukugadzira shangu, zvinonyungudutsa zvinowanzoshandiswa zvinonyanya toluene uye acetone. Kana iyo yekuputira layer ikasangana ne solvent, inozvimba zvishoma uye inopfava, uye yobva yanyungudika nekudonha. Izvi zvinowanzoitika kumberi nekumashure zvikamu. Solution:
(1) Sarudza cross-linked kana epoxy resin-modified polyurethane kana acrylic resin semugadziri wefirimu. Iyi mhando ye resin ine yakanaka solvent resistance.
(2) Shandisa mushonga wakaoma wekuzadza kuti uwedzere kupikisa kwekunyungudika kwejira rekuvhara.
(3) Kuwedzera zvakafanira kuwanda kweprotein adhesive mumvura yekuputira kuti uwedzere kudzika kwekunyungudutsa.
(4) Pfaya muchinjiko wekubatanidza mumiririri wekurapa uye kuyambuka-kubatanidza.
2. Kukwenya kwemvura uye kusagadzikana kwemvura
Kukwenya kwemvura uye kuramba kwemvura zviratidzo zvakakosha zveganda repamusoro. Paunenge uchipfeka shangu dzematehwe, iwe unowanzosangana nemhoteredzo yemvura, saka iwe unowanzosangana nekunaya kwemvura uye matambudziko ekudzivirira mvura. Zvikonzero zvikuru zvekushaikwa kwekunyorova kwemvura uye kuramba kwemvura ndezvi:
(1) Iyo yepamusoro yekuputira layer inonzwa kumvura. Mhinduro ndeyokuisa pamusoro pekuisa kana kupfapfaidza isina mvura inopenya. Paunenge uchiisa chigadziko chepamusoro, kana casein inoshandiswa, formaldehyde inogona kushandiswa kugadzirisa; kuwedzera chidimbu chidiki chesilicon-ine makomisheni kune yepamusoro yekuputira mvura inogona zvakare kukwidziridza kusamira kwayo kwemvura.
(2) Zvinhu zvakawandisa zvisinganzwisisi mvura, senge surfactants uye resin ine kushomeka kwemvura inodzivirira, inoshandiswa mumvura yekuputira. Mhinduro ndeyekudzivisa kushandisa yakawandisa surfactants uye sarudza resin ine nani kudzivirira mvura.
(3) Tembiricha uye kudzvanywa kwendiro yekutsikisa zvakanyanyisa, uye iyo yepakati yekupfekedza mumiriri haina kunyatsobatanidzwa. Mhinduro ndeyekudzivisa kushandisa yakawandisa wax ejenti uye nesilicon-ine makomisheni panguva yekuputira yepakati uye kuderedza tembiricha uye kumanikidza kwendiro yekutsikisa.
(4) Organic pigments nedhayi zvinoshandiswa. Iyo yakasarudzwa pigments inofanira kuva yakanaka permeability; mune yekumusoro yekubikira formula, dzivisa kushandisa madhayi akawandisa.
3. Matambudziko ane friction yakaoma uye abrasion
Paunenge uchikwesha pamusoro peganda nemucheka wakaoma, ruvara rweganda reganda richadzimwa, zvichiratidza kuti kuoma kwekupokana kweganda iri hakuna kunaka. Paunenge uchifamba, mabhuruku anowanzo kusveta pazvitsitsinho zveshangu, zvichiita kuti firimu rekuputira pamusoro peshangu ridzime, uye mavara epamberi uye kumashure haapindirani. Pane zvikonzero zvakawanda zvechiitiko ichi:
(1) Iyo yekuputira layer yakapfava zvakanyanya. Mhinduro ndeyokushandisa yakaoma uye yakaoma coating agent paunenge uchipfekedza kubva pasi kusvika kune yepamusoro.
(2) Iyo pigment haina kunyatso kuomerera kana kunamatira kwakashata, nekuti chikamu chepigment mujasi chakakura kwazvo. Mhinduro ndeyekuwedzera resin ratio uye kushandisa penetrant.
(3) Mapores ari pamusoro pematehwe akavhurika zvakanyanya uye haashaikwi kupfeka. Mhinduro ndeyekushandisa yakaoma kuzadza kurapwa kuti uwedzere kupfeka kusagadzikana kweganda uye kusimbisa kugadzirisa kweiyo yekuputira mvura.
4. Dambudziko rekutsemuka kweganda
Munzvimbo dzine mamiriro okunze akaoma uye anotonhora, kuputika kweganda kunowanzosangana. Inogona kuvandudzwa zvakanyanya ne rewetting tekinoroji (kunyorovesa ganda risati ratambanudza yekupedzisira). Ikozvino kwave neakakosha rewetting michina.
Zvikonzero zvikuru zvekutsemuka kweganda ndezvi:
(1) Rudzi rwezviyo rwedehwe repamusoro rwakanyanya kusakara. Chikonzero chacho ndechekusagadzikana kusina kunaka, zvichikonzera kupinda kusina kuenzana kweiyo retanning agent uye kunyanya kusungirirwa kwezviyo. Mhinduro ndeyekugadzirisa zvakare mvura yemumunda formula.
(2) Dehwe repamusoro rakasununguka uye regiredhi rezasi. Mushonga wacho ndewokuomesa kuzadza ganda rakasununguka uye kuwedzera mamwe mafuta kune resin yekuzadza kuitira kuti ganda rakazadzwa risanyanya kuoma kudzivirira iyo yepamusoro kubva pakuputika panguva yekupfeka. Iyo ganda rakazadzwa zvakanyanya harifanirwe kusara kwenguva yakareba uye harifanirwe kuve rakanyanya-jecha.
(3) Chigadziko chekupfeka chakanyanya kuoma. Iyo base coating resin haina kusarudzwa zvisina kunaka kana chiyero hachina kukwana. Mhinduro ndeyekuwedzera chikamu chesoft resin mune base coating formula.
5. Dambudziko remutswe
Kana dehwe rakakotama kana kutambanudzwa nesimba, ruvara rwacho dzimwe nguva runoreruka, izvo zvinowanzonzi astigmatism. Muzviitiko zvakakomba, jira rekuputira rinogona kuputika, iyo inowanzonzi crack. Iri idambudziko rinowanzoitika.
Zvikonzero zvikuru ndezvi:
(1) Iyo elasticity yeganda yakakura kwazvo (kurebesa kweganda repamusoro hakugone kuve kwakakura kupfuura 30%), nepo kureba kwekupfeka kuri kudiki. Mhinduro ndeyekugadzirisa chimiro kuitira kuti kurebesa kwekuputira kuri pedyo neiyo yeganda.
(2) Chigadziko chekufukidzira chakanyanya kuoma uye chepamusoro chepamusoro chakanyanya kuoma. Mhedzisiro ndeyekuwedzera chiyero chesoft resin, kuwedzera huwandu hwemugadziri wekugadzira firimu, uye kuderedza huwandu hwekuoma resin uye pigment paste.
(3) Mushonga wekuputira wakanyanya kutetepa, uye chikamu chepamusoro chevarnish chine mafuta chinopfapfaidzwa zvakanyanya, izvo zvinokuvadza jira rekuvhara. Kuti ugadzirise dambudziko rekunyorova kwekupokana kwekupotera, mamwe mafekitori anomwaya yakawandisa mafuta varnish. Mushure mekugadzirisa dambudziko rekunyorova kwekupokana, dambudziko rekutsemuka rinokonzerwa. Naizvozvo, kutarisisa kunofanirwa kubhadharwa kugadzirisa chiyero.
6. Dambudziko rekudurura tsvina
Panguva yekushandiswa kweshangu yepamusoro yeganda, inofanirwa kupinda zvakanyanya kuoma kwezvakatipoteredza shanduko. Kana iyo yekuputira isina kuomerera zvakasimba, iyo yekupfekedza inowanzoita slurry kudurura. Muzviitiko zvakakomba, delamination ichaitika, iyo inofanirwa kupihwa zvakanyanya. Zvikonzero zvikuru ndezvi:
(1) Muchifukidzo chepasi, resin yakasarudzwa ine kunamatira kusina simba. Mhinduro ndeyekuwedzera chikamu chekunamatira resin muzasi yekuputira formula. Iko kusungirirwa kweresin kunoenderana nemakemikari ayo uye saizi yeakapararira masisitimu emulsion. Kana chimiro chemakemikari ye resin yakatemwa, kusungirirwa kwakasimba kana emulsion particles yakanyatsonaka.
(2) Kusakwana kwekuvhara mari. Munguva yekushanda kwekuputira, kana chiyero chekuputira chisina kukwana, resin haigoni kupinda mukati meganda repamusoro munguva pfupi uye haigoni kuwirirana zvakakwana neganda, kukurumidza kwekuputira kuchaderedzwa zvikuru. Panguva ino, kuvhiyiwa kunofanirwa kugadziridzwa zvakakodzera kuti ive nechokwadi chakakwana chekupfeka. Kushandisa bhurashi yekuputira pachinzvimbo chekupfapfaidza kupfapfaidza kunogona kuwedzera nguva yekupinda yeresin uye nzvimbo yekunamatira yeajenti yekuputira kune dehwe.
(3) Kupesvedzera kwemamiriro eganda rakashama pane adhesion fastness yejasi. Kana kunyura kwemvura kweganda risina chinhu kwakashata zvakanyanya kana paine mafuta neguruva pamusoro peganda, resin haigone kupinda mukati meganda sezvinodiwa, saka kunamatira hakuna kukwana. Panguva ino, nzvimbo yeganda inofanirwa kunyatsogadziriswa kuti iwedzere kunyura kwayo kwemvura, sekuita basa rekuchenesa pamusoro, kana kuwedzera mumiriri wekuenzanisa kana penetrant kune formula.
(4) Muchifukidzo chekuputira, chiyero che resin, additives uye pigments hazvina kufanira. Mhinduro ndeyekugadzirisa mhando uye huwandu hweresin uye zvinowedzera uye kuderedza huwandu hwewakisi uye kuzadza.
7. Kupisa uye kudzvinyirira kuramba nyaya
Dehwe repamusoro rinoshandiswa mukuumbwa uye jekiseni rakaumbwa kugadzirwa kweshangu rinofanira kunge riri kupisa uye kusagadzikana. Kazhinji, mafekitari eshangu anowanzo shandisa ironing yekupisa kwepamusoro kuaina makwinya ari pamusoro peganda, zvichiita kuti mamwe madhayi kana organic coating mujasi iite dema kana kutonamira nekudonha.
Zvikonzero zvikuru ndezvi:
(1) Thermoplasticity yemvura yekupedzisa yakakwira zvakanyanya. Mhinduro ndeyekugadzirisa maitiro uye kuwedzera huwandu hwe casein.
(2) Kushaikwa kwekuzora. Mushonga wacho kuisa wakisi yakati simbei uye munyoro wekunzwa wakatsetseka kuitira kuti dehwe racho rigare zvakanaka.
(3) Dhayi uye organic coatings zvinonzwa nekupisa. Mhinduro ndeyokusarudza zvinhu zvisinganyanyi kupisa uye hazviperi.
8. Dambudziko rekudzivirira chiedza
Mushure mekuratidzwa kwenguva yakati, pamusoro peganda rinova rakasviba uye rakatsvuka, zvichiita kuti rirege kushandiswa. Zvikonzero ndezvi:
(1) Kuchinja kwemuviri weganda kunokonzerwa nekushanduka kwemafuta, tannins yezvirimwa kana synthetic tannins. Chiedza chekudzivirira kweganda rakajeka chiratidzo chakakosha zvikuru, uye mafuta uye tannins ane chiedza chakanaka chekudzivirira chinofanira kusarudzwa.
(2) Coating discoloration. Mhinduro ndeyokuti kumatehwe epamusoro ane simba rekudzivirira chiedza, usashandise butadiene resin, inonhuwira polyurethane resin uye nitrocellulose varnish, asi shandisa resins, pigments, dhayi mvura uye varnish nekudzivisa chiedza.
9. Cold resistance (weather resistance) dambudziko
Kusagadzikana kutonhora kwekudzivirira kunonyanya kuratidzwa mukuputika kwejasi apo dehwe rinosangana nekushisa kwakadzika. Zvikonzero zvikuru ndezvi:
(1) Pakutonhora kwakadzika, jira racho harina kupfava. Marezeni ane kutonhora kuri nani senge polyurethane uye butadiene anofanirwa kushandiswa, uye huwandu hwezvinhu zvekugadzira firimu zvine kushomeka kwekutonhora senge acrylic resin uye casein hunofanira kuderedzwa.
(2) Chikamu che resin mufomu yekuputira yakaderera zvakanyanya. Mhinduro ndeyokuwedzera huwandu hwe resin.
(3) Kupokana kunotonhora kwevarnish yepamusoro hakuna kunaka. Special varnish kana ,-varnish inogona kushandiswa kuvandudza kutonhora kweganda, nepo nitrocellulose varnish isina kutonhora kutonhora.
Zvakaoma zvikuru kugadzira zviratidzo zvekushanda kwemuviri zveganda repamusoro, uye hazvisi zvechokwadi zvinoda kuti mafekitari eshangu atenge zvakakwana maererano nezviratidzo zvemuviri uye zvemakemikari zvakagadzirirwa nehurumende kana mabhizinesi. Mafekitari eshangu anowanzo ongorora matehwe nenzira dzisiri dzenguva, saka kugadzirwa kwematehwe epamusoro hakugone kuparadzaniswa. Izvo zvinodikanwa kuve nekunzwisisa zvirinani zvekutanga zvinodiwa zvekugadzira shangu uye kupfeka maitiro kuitira kuita kudzora kwesainzi panguva yekugadziriswa.
Nguva yekutumira: May-11-2024