Silicon core bututun m gogewa coefficient gwaji inji ne yafi amfani da m gogewa coefficient ganowa na silicon core bututun, da inji za a iya yin amfani da shi da yawa, kuma za a iya amfani da shi a kan silicon core bututun, rukuni bututun da yankewa yiwuwa ƙarfi, karya stretch, mafi girman jawo nauyi, zoben rigidity, dawowa da yawa, bututun haɗi karfi, da sauran jiki aiki nuna alama.

Hanyar gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin gwajin

1 gwajin kayan aiki

zagaye drum, stretch gwajin inji, 20kg Dedicated shudder 'code, kwamfuta.

2 Samfurin bukatun

2. 1 Silicon core bututu: tsawon 4rn.

2 . 2 Cable: Matsakaicin m polyethylene (MDPE) shimfidar haske (waya) kebul don diamita (15 ± 2) mm, tsawon 6m.

2.3 Silicon core bututun ciki surface da haske (lantarki) cable waje surface ya kamata ba tare da iyakance haske (lantarki) cable sliding duk wani lahani.

2.4 U-siffar clamp: daidaita da silicon core bututun shigarwa.

3 gwajin yanayi

Kafin gwajin, gwajin kayan aiki da samfurin ya kamata a sanya da kiyaye a (23 ± 2) ℃ zafin jiki na 2h, kuma gwaji a wannan zafin jiki.

4 Matakai na gwaji

4. 1 da silicon core bututun amfani da U-siffar clamp tabbatar a kan zagaye drum tabbatar ya kamata ya kasance daidai don hana gwajin lokacin da silicon core bututun da zagaye drum samar da dangane motsi, da silicon core bututun a fadin zagaye drum da tangle kusurwa ne 450 °

4. 2 sanya kebul a cikin bututun silicon core, yankan kebul tsawon ya kamata ya sadu da mafi girman tafiya na gwajin.

4 . 3 da aka haɗa da kebul ya kamata ya iya jure mafi girman zaɓi nauyin gwajin.

4. 4 Saka keɓaɓɓun tubali code a karshen kebul, kwance karshen da aka haɗa da clip, da clip da aka haɗa da na'urar gwaji ta hanyar igiya.

4.5 Bude yanka gwajin inji Saita yanka gudun zuwa 100mm / min, dakatar yanka lokacin da silicon code kawai bar ƙasa. Daidaita silicon core bututun a kan zagaye drum don yin biyu karshen kebul a tsakiyar silicon core bututun.

4. 6 bude stretch gwajin na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar na'urar

4. 7 sauka ƙasa lambar, tabbatar da janye gwajin inji ba tare da kaya, ya janye gwajin inji da karfi darajar da kuma motsi baya sifili.

4. 8 Bude tsarin jan hankali na na'urar gwaji, don gwajin hukuma, da saurin jan hankali na 100mm / min, dakatar da jan hankali lokacin da girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman girman

m=^na(N/A)

^θ

Formula a cikin: μa daya m friction coefficient;

F a matsakaicin zaɓi kaya, karatun shanu (N);

N a 20kg keɓaɓɓun weighing samar da nauyi, a rukuni ne shanu (N);

θ A kusurwar da wani silicon core bututu a kan zagaye drum, da darajar 7. 854rad 。

4 . 9 Wannan gwajin ya gudanar sau uku a duk ɗaukar sakamakon ƙididdiga sau uku a matsakaicin matsakaicin matsakaicin matsakaicin matsakaicin matsakaicin matsakaicin matsakaicin matsakaicin matsakaicin matsakaicin matsakaicin matsakaici.

Yi amfani da ka'idoji:

JT / T 496-2018 hanya karkashin kasa sadarwa bututu high yawa polyethylene silicon core roba bututu

GB / T 24456-2009 Babban yawan polyethylene silicon core bututu

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