Polyurethane zomatira zomatira

5. Kugwiritsa:

(1) Pretreatment: pamwamba pa zomatira amatsukidwa.

(2) sizing: ntchito macheka scraper kuyika guluu pamwamba pa zomatira mofanana, angagwiritsenso ntchito makina kugudubuzika ❖ kuyanika, sangagwiritse ntchito burashi burashi (glue mamasukidwe akayendedwe ndi lalikulu), potsuka kuchuluka kwa pafupifupi 250g/m2, yeniyeni malinga ndi mmene zinthu zilili zimalamulira kuchuluka kwa zomatira.

(3) gulu: pambuyo guluu akhoza gulu zomatira.

(4) pambuyo mankhwala: chifukwa guluu ndi thovu zomatira, pamene zomatira wosanjikiza wachiritsidwa, guluu akhoza mokhomerera mu dzenje laling'ono la zomatira, kuchita mbali ya nangula, kuwonjezera mphamvu yomangira, ndipo ayenera wothinikizidwa. pambuyo kuchiza.

Zosintha zamalonda:

Dzina mankhwala polyurethane thobvu zomatira

Ma Brand amayenera kugwirizana

Mtundu wa PU-90

Viscosity (MPa ·s) 3000-4000

Kuthekera angapo specifications

PH 6-7

Maonekedwe amtundu ndi bulauni

Nthawi yophika ndi mphindi 60

Kuchiritsa 90%

Nthawi ya alumali ndi miyezi 12

Polyurethane thovu

Mankhwala magawo

Zolemba zake

Mawonekedwe

Ili ndi mawonekedwe a magwiridwe antchito apamwamba, yomanga yabwino, yotulutsa thovu pambuyo pochiritsa, insolubility ndi insolubility, kukana kutentha kwambiri komanso kutsika.

Kuchuluka kwa ntchito

Kupanga zitseko zosagwira moto, zitseko zotsutsana ndi kuba, zitseko zapakhomo, zida zozizira, ndi zida zosiyanasiyana zosagwira moto komanso zotenthetsera (ubweya wamiyala, ubweya wa ceramic, ubweya wagalasi wapamwamba kwambiri, pulasitiki ya thovu la polystyrene, ndi zina) zimagwiritsidwanso ntchito. za kugwirizana.Kwa zitsulo zomatira zitsulo.

Malangizo

1. Mfundo yochiritsira: Zomatirazi ndi zomatira zopanda zosungunulira, zomwe zimachiritsidwa ndi chinyezi chomwe chimalowetsedwa mumlengalenga ndi pamwamba pa adherend.

2.Kuchiza kwapamwamba kwa adherend: chotsani mafuta ndi fumbi pamwamba pa adherend.Mafuta ochulukirapo amatha kutsukidwa ndi acetone kapena xylene.Ngati palibe banga lamafuta, sikoyenera kuyeretsa.Nthawi, ngati kuli kofunikira, tsitsani madzi pang'ono nkhungu pamwamba pa mphira ndi sprayer.

3.Glue zokutira: Gwiritsani ntchito zigzag scraper kuti mugwiritse ntchito guluu pamtunda wa adherend.Guluu wamakina atha kugwiritsidwanso ntchito, koma kutsuka sikofunikira (kukhuthala kwamafuta ndi kwakukulu), ndipo kuchuluka kwa zokutira ndi pafupifupi 150-250g /㎡.Pamwamba pa adherend akhoza kuchepetsedwa pang'ono, ndipo roughness pamwamba akhoza kuchulukitsidwa pang'ono, ndiye kuti, malinga ngati pamwamba pa adherends awiri akukumana ndipo akhoza kukhudzana ndi guluu, kuchepetsa ❖ kuyanika kuchuluka, bwino, chifukwa guluu wochuluka umagwiritsidwa ntchito, m'pamenenso Chinyontho chomwe chimatengedwa pamwamba pa adherend chimakhala chochepa, chomwe chidzakhudza nthawi yochiritsa.Ngati pakufunika kuchuluka kwa guluu, nkhungu yamadzi pang'ono imatha kupopera moyenera.

4.compound: ikhoza kumata

5.Post-treatment: Chifukwa cha zomatira zotsekemera za mphira uyu, pamene zomatirazo zimachiritsidwa, guluu likhoza kubowola pansi ma micropores a adherend, omwe amagwira ntchito yowonjezera ndikuwonjezera mphamvu zomangira.Zinthuzo zimaphatikizidwa ndipo zimatha kumasulidwa pambuyo pochiritsa (kupanikizika kuli pafupifupi 0.5kg-1kg / cm2).

6.Tool kuyeretsa kungagwiritse ntchito ethyl acetate solvent.

Kusamalitsa

1, Gwiritsani ntchito spatula ya serrated pa chopukusira, monga mbale yathyathyathya.Komabe, ngati guluuyo agwiritsidwa ntchito mwamphamvu kwambiri, sipadzakhala guluu wotsalira pamwamba pa zokutira.Guluuyo akagwiritsidwa ntchito mopepuka kwambiri, guluulo likhala lotayirira kwambiri.Chofufuta cha zigzag ndi cholimba monga momwe chimakhalira, ndipo guluu wosiyidwa ndi chekawo ndi wochuluka.

2, Malo awiri omangirira ophatikizana ayenera kumata mbali imodzi.

njira yosungirako

Izi ziyenera kusungidwa pamalo ozizira komanso amdima panthawi yosungira.Nthawi zambiri m'nyumba zosungiramo zinthu zamkati, nthawi yosungiramo ndi chaka chimodzi.Pambuyo pakugwiritsa ntchito guluu, mbiya yokhala ndi guluu wowonjezera uyenera kusindikizidwa ndikusungidwa, ndipo chapamwamba chamadzimadzimadzimadzi chimalimba ndi kutumphuka chifukwa cha kulowerera kwa chinyezi.Ngati sichigwiritsidwa ntchito kwa nthawi yayitali, iyenera kusindikizidwa ndi nayitrogeni.