Polyurethane spraying shi ne babban matsa lamba polyurethane spraying kayan aiki.Domin kayan dahigh-matsi feshi kayan aikian cusa shi a cikin ƙaramin ɗaki mai haɗawa kuma ana jujjuya ƙarfi da ƙarfi cikin sauri, haɗuwa yana da kyau sosai.Abubuwan da ke motsawa cikin sauri suna haifar da ɗigon hazo mai kyau a bututun ƙarfe nabindigar fesada fesa su daidai gwargwado a saman abin.Ana amfani da feshin polyurethane mai kumfa don adana zafi da rufewa a cikin adana zafi da firiji.Ana amfani da shi don suturar kayan kariya na thermal kamar manyan tankunan ajiya mai siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar, girman girman girman, da kuma ganuwar bango.
Sau da yawa ana fuskantar matsaloli da yawa a cikin ginin feshin polyurethane, to menene waɗannan matsalolin?Ta yaya hakan ya faru?
Wannan galibi batun aiki ne, wanda aka bayyana kamar haka:
| Matsala gama gari | Dalili | Ba da shawara |
| M da kuma mara daidaituwa kumfa surface | Rashin atomization mara kyau, musamman ya zama ruwan dare tare da masu haɗa iska na gida | Ana iya daidaita matsa lamba na baya na kwampreshin iska da nisa daga farantin tushe daidai.Idan zai yiwu, tsawaita kuma rage bututun haɗakar iska.Karamin ciki.Za'a iya kiyaye abin feshi mai ƙarfi na polyurethane da kyau daga ƙasa. |
| Lokacin kumfa da sauri da danko na baki da fari | ||
| Kumfa yayi laushi sosai | Da yawa polyether | Ana ba da shawarar yin gwajin kumfa kyauta a daidai rabo.Idan har yanzu yana da taushi, zaku iya ƙara yawan adadin isocyanate l daidai.Idan har yanzu yana da laushi, dole ne a duba ko ya kamata a yi amfani da ethylenediamine, yadda ya kamata a kara yawan kayan da ake amfani da su a cikin fararen kayan. |
| kumfa yana da kintsattse
| Ruwa da yawa a cikin tsarin | Idan kawai farfajiyar ta lalace, yi la'akari da idan bambanci tsakanin zafin jiki da zafin jiki ya yi girma sosai, idan yanayin zafin jiki ya yi girma, kuma yanayin yanayin yana da ƙasa.Wani dalili shi ne cewa akwai bambanci da yawa a cikin danko tsakanin polyether da Isocyanate da kuma karin isocyanate. |
| Bambancin danko tsakanin polyether da Isocyanate yayi girma da yawa | ||
| Low kwasfa ƙarfi tsakanin kumfa da substrate | Fuskar da ke ƙasa ba ta da tsabta, tare da ƙura mai iyo ko tabo mai | Babu shigar da keɓaɓɓen, kuma ana iya ganin danshi a wurin dubawa ta hanyar kwasfa.Bugu da ƙari, zafin jiki na substrate ya yi ƙasa sosai, kuma gudun kumfa yana da sauri."Fsa" (watau fesa siraran tushe cikin sauri), amma fesa mai kauri kuma na iya haifar da tashin hankali da bawo. |
| kumfa fashe
| Saboda ƙananan digiri na reshe da ayyuka na polyether da aka yi amfani da su a cikin tsarin kumfa | Sucrose, mannitol ana iya ƙara shi azaman mai fara polyether kamar yadda ya dace.Bugu da kari, yadda ya kamata a ƙara adadin feshin yadudduka yayin gini don guje wa maimaita abubuwan mamaki |
| ware
| Lokacin kumfa yana da sauri ko kuma a hankali | Kula da sarrafa saurin kumfa |
| An ƙara yawan mai surfactant silicone zuwa tsarin kumfa |
Lokacin aikawa: Jul-01-2022