Zifukwa Zosangalatsa Pakusintha:
Chifukwa chomwe thovu limapangidwa munthawi yosakanikirana yaepoxy uninGuluu ndikuti gasi yoyambitsidwa panthawi yosangalatsa imapanga thovu. Chifukwa china ndi "cavitation zotsatira" zoyambitsidwa ndi madzi akulimbikitsidwa kwambiri. Pali mitundu iwiri ya thovu: zowoneka komanso zosaoneka. Kugwiritsa ntchito vacuum Kuchepetsa kumatha kuthetsa thovu lowoneka, koma sizothandiza kuchotsa thovu zazing'ono zomwe siziwoneka ndi diso la munthu.
Zifukwa zomangira pakuchiritsa:
Izi ndichifukwa cha epoxy ziweri zimachiritsidwa ndi polymerization, zomwe zimachitika. Pa nthawi yochirikiza, thonje laling'ono kwambiri mu epoxy restin dongosolo kutentha ndikukulitsa, ndipo mpweya sugwirizananso ndi dongosolo la epoxy, kenako amasonkhanitsa pamodzi kuti apange thovu lalikulu.
Zomwe zimayambitsa epoxy zimayenda:
(1) Zosasinthika Mankhwala
(2) kusakaniza pokonzekera
(3) Kuvulala pambuyo poti kusonkhanitsa
(4) Kutulutsa kochepa
Zowopsa za epoxy zikuwoneka bwino panthawi yosakanikirana:
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Kuthetsa Magulu a Air?
Zowonjezera zothandizira kupanga: Sicone Desicting othandizira, osagwirizana ndi Suricon poletsa, mafuta oletsa mchere, mafuta ochulukirapo a carton moledzera, etc.
Matenthedwe akakhala otsika, mikhalidwe yazinthu zambiri zamadzimadzi zidzachitika, makamaka mafayilo azomera zomwe zimachulukana momwe kutentha kumachepa.Epoxy retun haga, monga madzi wamba amadzimadzi, ali ndi kuchuluka kwakukulu kwa mtengo wa ma visko chifukwa cha kuchepa kwa kutentha. Chifukwa chake, pakugwiritsa ntchito ndi kugwiritsa ntchito, thovu ndilovuta kuchotsa, magwiridwe antchito amachepetsedwa, ndipo kuchuluka kogwiritsa ntchito nthawi ndi nthawi yothira sikuli kothandiza kupanga. Komabe, kudzera mwazaka zambiri zopangidwa ndi mapangidwe, takambirana mwachidule ena othandiza kuthetsa ndi kuchepetsa mavuto omwe akuchitika chifukwa cha mavuto omwe ali pamwambawa. Makamaka, pali njira zinayi zotsatirazi:
1. Njira yotentha ya Yobu:
Matenthedwe atatsatsa ntchito mpaka 25 ° C, kuwotcha koyenera kwa ntchito yogwira ntchito kumafunikira kuti kutentha kutentha ku kutentha kwa plues plu yabwino kuti ichitepo ntchito (25 ° C). Nthawi yomweyo, chinyezi cha mpweya pa ntchito yogwira ntchito iyenera kusungidwa pa 70%. Kapenanso, mpaka kutentha kwa gululi kumafanana ndi kutentha kwa gululucho kumagwira ntchito ndikugwiritsidwa ntchito moyenera.
Chikumbutso chofunda: Njirayi ndiyo njira yothandiza kwambiri, koma mtengo wogwiririra udzakhala wokwera, chonde sangalalani ndi ndalama.
2. Njira yotentha yotentha:
Kuzizira kumachepetsa mwachindunji mtengo waepoxy uninguluu ndipo ndikuwonjezera kwambiri. Kutenthetsa musanagwiritse ntchito guluuwo kumawonjezera kutentha kwake ndikuchepetsa phindu la ma visko, kupangitsa kuti lisagwiritse ntchito. Njira yokhayo ndikuyika mbiya yonse kapena kutentha kwa madzi otentha ndikutenthetsa kawiri konse kugwiritsa ntchito nsapato za 30 ℃, ndikuzigwetsa iwo kutentha kwa 30 ℃ mu madzi ofunda ndikugwiritsa ntchito potentha. Mukamagwiritsa ntchito, tengani guluu uja ndikugwedeza theka la ola lililonse kuti lisungidwe ndi kuchuluka kwa guluu. Koma samalani kwambiri kuti ulumikizane mu ndowa kapena botolo limamatira kumadzi, apo ayi zimabweretsa zovuta kapena zoyipa.
Chikumbutso chofunda: Njirayi ndi yosavuta, yachuma komanso yothandiza, ndipo mtengo ndi zida ndizosavuta. Komabe, ali ndi zoopsa zobisika, zomwe ziyenera kukhala ndi chidwi.
3. Njira yophikira:
Ogwiritsa ntchito omwe ali ndi mikhalidwe amatha kugwiritsa ntchito epoxy amagwiritsa ntchito gululi kuti athetse gulu la uvuni musanagwiritse ntchito gulululu kuti mupewe kucheza ndi madzi. Ndiosavuta kwambiri. Njira yodziwikiratu ndikusintha kutentha kwa uvuni mpaka 60 ° C, kenako ndikuyika mbiya yonse kapena kusamala kuti ichotse ukulu wa 30 kutentha kutentha ndi zosakaniza.
Chikumbutso chofunda: Njira iyi imawonjezera mtengo wake pang'ono, koma ndi yosavuta komanso yothandiza.
4. Njira Yothandizira Yothandizira:
Pofuna kuthamangitsa ma bubble, mutha kugula gulu lanyumba yapadera kuti epoxy agule khungu, ndikuwonjezera guluu ndi chiwerengero cha 3 ‰ mkati mwa 3 ‰, njira inayake; Molunjika kuwonjezera pa 3% ya guluu ndi guluu wotenthedwa ndi njira yomwe ili pamwambapa. Kutumiza Kwapadera kwaepoxy retun haga, kenako kwezani kwambiri ndikusakaniza ndi guluu woyenera kugwiritsa ntchito.
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Post Nthawi: Jan-07-2025