Hanyoyin Gwaji don Tsarin Aikace-aikacen Rufin Foda

HANYOYIN JARRABAWA GA RUWAN FUSKA

An tsara hanyoyin gwaji don dalilai guda biyu: 1. Amintaccen aiki; 2. Kula da inganci

(1) GLOSS GLOSS (ASTM D523)

Gwaji mai rufin lebur tare da Lambuna mai tsayin digiri 60. Rufe ba zai bambanta + ko - 5% daga buƙatun takardar bayanai akan kowane kayan da aka kawo ba.

(2) GWAJIN BENDING (ASTM D522)

Rufe kan .036 inch lokacin farin ciki phosphated karfe panel zai jure 180 lankwasa a kan 1/4" mandrel. Babu hauka ko asarar mannewa da gamawa a lanƙwasa da za a iya cire su da tef 3M Y-9239.

(3) HARDNESS TEST (ASTM D3363)

Ana amfani da fensin itacen Faber Castell a cikin taurin 1,2,3,4,. Rubutun kada ya nuna alamun fensir 2H.

 (4) CIGABA DA JARRABAWAR ADHESION (ASTM D3359)

Rubuta parallel Lines ta hanyar shafi zuwa substrate, 1/4 " ban da nisa na inch ɗaya. Rubuta wani saitin parallel Lines 1/4 ″ dabam kuma daidai da saitin farko. Aiwatar da kowane tef ɗin mai ɗaki sannan a cire a hankali. Sakamako bai kamata ya zama ɗaga foda da aka warke tsakanin layin marubuci ba.

(5) GWAJIN JURIYA NA KIMIYYA (ASTM D1308)

Sanya kusan digo 10 na sauran ƙarfi gwajin, wanda ya ƙunshi 95% ta nauyi toluene da 5% ta nauyi Methal Ethyl Keytone a saman rufin. Bada damar tsayawa na daƙiƙa 30. A goge tare da taushi, bushe bushe. Rubutun kada ya wuce alamar madauwari kaɗan.

(6) GWAJIN TASIRI (ASTM D2794)

Rufe kan .036 inch lokacin farin ciki phosphated karfe panel zai jure tasiri tare da 1/2 "Lambun gwaninta tasiri ball a 26 inch fam kai tsaye da kuma baya. Babu kiwo ko asarar mannewa. Ƙarshe ba za a iya cire shi a wurin tasiri tare da tef 3M Y-9239.

(7) GYARAN GYARAN GASHIN SPRAY (ASTM B117)

Yi amfani da maganin gishiri na 5% a 92-97 F a cikin ma'ajin yanayi. Rubutun X a cikin karfen zinc phosphated gwajin panel zuwa karfe mara kyau. Duba kowane awa 24. Ƙarshen gwajin da jimlar sa'o'i bayan 1/4 inch rarrafe daga wurin da aka rubuta. Creepage kada ya wuce 1/4 ″ a kowace hanya daga layin marubuci bayan bayyanar sa'o'i 500.

HANYOYIN JARRABAWA DOMIN SAMUN FADA