Mekhoa ea Teko ea Ts'ebetso ea Kopo ea Phofo

TEKO MEKHOA BAKENG SA TLHOKOMELA PUO

Mekhoa ea liteko e etselitsoe merero e 'meli: 1. Tšepahala ea ts'ebetso; 2. Taolo ea boleng

(1) TLHAKISO EA LEKHANYA (ASTM D523)

Teko e koahetsoeng ka phanele e bataletseng e nang le Gardener 60 degree meter. Ho roala ha hoa lokela ho fapana + kapa - 5% ho tsoa litlhoko tsa leqephe la data ho thepa e 'ngoe le e 'ngoe e fanoeng.

(2) TEKO YA HO KOBA (ASTM D522)

Ho roala holim'a .036 inch thick phosphated steel panel e tla mamella ho kobeha ha likhato tse 180 ho feta 1/4″ mandrel. Ha ho bohlanya kapa tahlehelo ea ho khomarela le ho qeta ho kobeha ho khona ho tlosoa ka theipi ea 3M Y-9239.

(3) TEKO EA BOTHATA (ASTM D3363)

Lipentšele tsa lehong tsa Faber Castell li sebelisoa ka boima ba 1,2,3,4,. Ho roala ha hoa lokela ho bonts'a matšoao ho tsoa ho pentšele ea 2H.

 (4) CROSS HATCH ADHESION TEST (ASTM D3359)

Ngola parallel mela ka ho roala ho substrate, 1/4 ″ ka thoko ho sebaka sa inch e le 'ngoe. Ngola sehlopha se seng sa parallel lines 1/4 ″ ka thoko le perpendicular ho sete ea pele. Kenya tepe efe kapa efe e khomarelang ebe u e tlosa butle. Liphetho ha lia lokela ho ba ho phahamisa phofo e phekotsoeng lipakeng tsa mela ea bangoli.

(5) TEKO EA KHETHO EA KHETHO (ASTM D1308)

Beha hoo e ka bang marotholi a 10 a test solvent, e nang le 95% ka boima ba toluene le 5% ka boima ba Methal Ethyl Keytone holim'a seaparo. Lumella ho ema metsotsoana e 30. Hlakola ka lesela le bonolo, le omeletseng. Letšoao le chitja ha lea lokela ho bontša ho feta.

(6) TEKO EA TŠEBELETSO (ASTM D2794)

Ho roala holim'a .036 inch thick phosphated steel panel e tla mamella ho ts'oaroa ha bolo ea 1/2" Gardener impact tester ea liponto tse 26 inch ka kotloloho le ka morao. Ha ho makhulo kapa tahlehelo ea ho khomarela. Qetella e ke ke ea khona ho tlosoa sebakeng se nang le tšusumetso ka tepi ea 3M Y-9239.

(7) TEKO EA HO BOLA SESETSI SA LETSOA (ASTM B117)

Sebelisa tharollo ea letsoai ea 5% ka likhato tse 92-97 F ka k'haboteng ea leholimo e tiisitsoeng. Ngola X ka pane ea tšepe ea zinki phosphated tekong ho tšepe e se nang letho. Hlahloba lihora tse ling le tse ling tse 24. Qetella teko le lihora tse felletseng ka mor'a 1/4 ″ ho tsoa sebakeng se ngotsoeng. Creepage ha ea lokela ho feta 1/4 ″ ka lehlakoreng le leng ho tloha moleng oa mongoli ka mor'a lihora tse 500.

LITSELA TSA TEKO TSA HO KHOA PORO