Ngaphambi kokukhiqiza umhlanganisi ongenamahhala we-solvent, kuyadingeka ukuthi ufunde ngokucophelela amadokhumenti enqubo yokukhiqiza kanye nezidingo zokulinganisa kwesilinganiso sokunamathela okunama-adhesive we-solvent, lokushisa, umswakama, imibandela yelapha. Ngaphambi kokukhiqizwa, kuyadingeka ukuqinisekisa ukuthi imikhiqizo enamathelayo esetshenzisiwe ayinawo ama-demormalities. Lapho noma yiluphi umcimbi ongafanele othinta i-viscosity etholakala, kufanele amelwe ngokushesha futhi akhululwe nabasebenzi bezobuchwepheshe benkampani. Ngaphambi kokusebenzisa umshini we-solvent-free laminating, kuyadingeka ukuze uqale uhlelo lokuxuba, uhlelo lokuxubha, nohlelo lokulahla kusengaphambili. Ngaphambi kokukhiqizwa kwenhlanganisela engenamahhala ye-solvent, kuyadingeka ukuqinisekisa ukuthi ingaphezulu lama-roller werabha, ama-roller aqinile, nokunyeIzingxenye zemishini emshinini we-solvent-free composite zihlanzekile.
Ngaphambi kokuqala, kuyadingeka ukuthi uqinisekise futhi ukuthi ikhwalithi yomkhiqizo oyinhlanganisela ihlangabezana nezidingo zokukhiqizwa kwenhlanganisela. Ukungezwani kwangaphandle kwefilimu kufanele kube ngaphezu kwama-40 dynes, futhi ukungezwani komhlaba we-bopa namafilimu we-pet kufanele kube kukhulu kune-50 Dynes. Ngaphambi kokukhiqizwa kwesisindo, ukuthembeka kwefilimu kufanele kuhlolwe ngocwaningo lokugwema ubungozi. Bheka noma yikuphi ukonakala noma ukungahambi kahle kokunamathela. Uma kukhona okukhohlisayo kutholakele, lahla okunamathelayo futhi uhlanze umshini wokuxuba. Ngemuva kokuqinisekisa ukuthi azikho izinto ezingekho emthethweni ezinamathela, sebenzisa indebe elahliwe ukubheka ukuthi isilinganiso somshini wokuxuba silungile yini. Ukukhiqizwa kungaqhubeka kuphela ngemuva kokuphambuka kwesilinganiso kungakapheli i-1%.
Ngesikhathi senqubo yokukhiqiza, kuyadingeka ukuqinisekisa ikhwalithi yomkhiqizo. Ngemuva kokuhlanganiswa okujwayelekile kwe-100-150m, umshini kufanele umiswe ukuqinisekisa ukuthi ukubukeka okuhlanganisiwe, inani le-coating, njll. Okomkhiqizo uhlangabezana nezidingo. Ngesikhathi senqubo yokukhiqiza, yonke imingcele yenqubo, kufaka phakathi izinga lokushisa kwezemvelo, umswakama, imingcele ye-composite, nama-parameter enhlanganisela ye-composite, kanye nenqubomgomo yenqubomgomo yekhwalithi.
Amapharamitha wezobuchwepheshe afana nokusetshenziswa nendawo yokugcina yemvelo yokunamathela, izinga lokushisa, isikhathi sokusebenza, kanye nesilinganiso sokunamathela kwamahhala kwe-solvent kufanele abhekisele kwincwajana yezobuchwepheshe yomkhiqizo. Umswakama emhlanganweni we-workshop kufanele ulawulwe phakathi kwama-40% -70%. Lapho umswakama u-≥ 70%, ukuxhumana nabasebenzi bezobuchwepheshe benkampani futhi bakhuphule ngokufanele kwingxenye ye-isocyanate (i-kangda entsha impahla eyakhiwe kabusha), futhi iqinisekise ngokuhlolwa okuncane ngaphambi kokusetshenziswa kwe-batch encane ngaphambi kokusetshenziswa okusemthethweni kwe-batch. Lapho umswakama wezemvelo u-≤ 30%, ukuxhumana nabasebenzi bezobuchwepheshe benkampani futhi bakhuphule ngokufanele ngokwenziwa kwe-hydroxyl (b component), bese usiqinisekisa ngokuhlola ngaphambi kokusetshenziswa kwe-batch. Umkhiqizo kumele uphathwe ngokunakekelwa ngesikhathi sokuhamba nokulayisha nokulayisha, ukugwema ukufaka, ukushayisana, kanye nengcindezi enkulu, futhi uvikele ukuvezwa komoya nokulangazelela. Kufanele igcinwe ku-Cool, yangena umoya izimo ezomile, futhi igcinwe ivalwe isikhathi sesitoreji sezinyanga eziyi-6. Ngemuva kokuthi umsebenzi oyinhlanganisela usuqediwe, uhla lokushisa lwelapha lungama-35 ° C-50 ° C, futhi isikhathi sokwelapha siyalungiswa ngokuya ngezigatshana ezihlukile zenhlanganisela. Umswakama welapha ngokuvamile alawulwa phakathi kwama-40% -70%.
Isikhathi Seposi: Jan-25-2024