Jan hankalin juna tsakanin sassan hulɗa na abubuwa biyu daban-daban wata alama ce ta ƙarfin kwayoyin halitta. Yana bayyana ne kawai lokacin da ƙwayoyin abubuwan biyu suka yi kusa sosai. Misali, akwai manne tsakanin fenti daDINSEN SML Bututuwanda ake amfani da shi. Yana nufin matakin tauri na fim ɗin fenti da kuma saman abin da aka shafa. Wannan ƙarfin haɗin gwiwa yana samuwa ne ta hanyar hulɗar da ke tsakanin ƙungiyoyin polar (kamar hydroxyl ko carboxyl) na polymer a cikin fim ɗin fenti da ƙungiyoyin polar a saman abin da aka shafa.
Yawancin lokaci muna amfanihanyar grid don gwaji:
a. Zaɓi saman da ya dace ka sanya shi a wuri mai kyau. Don shimfidar fim mai kauri wanda bai wuce 50um ba, a yanke alamar a tazara ta 1mm. Don shimfidar fim mai kauri ta 50um-125um, a yanke alamar a tazara ta 2mm.
b. Sanya alamar tangent da ake buƙata a daidai kusurwar da aka daidaita sannan a yi amfani da goga mai laushi don cire tarkacen da aka raba a kan layin fim ɗin.
c. Duba ko an yi masa karce a ƙasa. Idan bai ratsa ƙasa ba, sake haɗa shi a wasu wurare.
d. Yanke tef mai tsawon mita 3, kimanin tsawon milimita 75, sannan a manna tsakiyar sashinsa a kan saman da aka goge, wanda hakan zai sa tef ɗin ya manne daidai gwargwado a kan saman da aka goge, sannan a shafa shi da roba don ya yi daidai da juna.
e. Yage tef ɗin a 180° gwargwadon iyawa a cikin 90±30s.
f. Duba fim ɗin da aka cire daga ƙarfen da ke cikin yankin grid ɗin a ƙarƙashin gilashin ƙara girma.
Lokacin Saƙo: Satumba-05-2024
