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    REZISTENA LA TRACIUNE I ALUNGIREA LA RUPERE maina de ncercat la

    traciune TITAN

    Tensile Properties of Fabrics - Part 2: Maximum Force Using the Grab Test Method(I!"#$#%-2:"$$$&

    !e"criere "tandard#

    ISO 13934-2:2014 specifies a procedure for the determination of the maximum force of textile

    fabrics knon as the !rab test" #he method is mainl$ applicable to o%en textile fabrics

    includin! fabrics hich exhibit stretch characteristics imparted b$ the presence of an

    elastomeric fibre and mechanical or chemical treatment" It can be applicable to fabrics produced

    b$ other techni&ues" It is not normall$ applicable to !eotextiles' nono%ens' coated fabrics'

    textile-!lass o%en fabrics' and fabrics made from carbon fibres or pol$olefin tape $arns" #he

    method specifies the determination of the maximum force of test specimens in e&uilibrium ith

    the standard atmosphere for testin! and of test specimens in the et state" #he method is

    restricted to the use of constant-rate-of-extension ()*+, testin! machines"

    $%rma e&ru'etei#dreptun!hiular

    !imen"iuni#. / 11'cm' l / 4 cm

    Nr( de "&ecimene:

    !i"tana dintre cleme: mm

    -------------------------------------------------------------------------------------------------------------------------------

    --------

    http:"instron"usasolutionsISO-13934-2-#ensile-roperties-abrics-art-2"aspx5

    ref/https:"!oo!le"ro

    #his method is mainl$ applicable to o%en textile fabrics" It ma$ be applicable to fabrics

    produced b$ other techni&ues" It is not normall$ applicable to o%en elastic fabrics' !eotextiles'

    nono%ens' coated fabrics' textile-!lass o%en fabrics and fabrics made from carbon fibres or

    pol$olefin tape $arns" #his method specifies a procedure to determine the maximum force of

    textile fabrics b$ a !rab test method in standard atmosphere andor in the et state"

    6rab test specimen preparation one set in the lon!itudinal direction and the other in the

    trans%erse direction" In principle a fabric test specimen is !ripped in its centre part b$ 7as of

    specified dimensions is extended at constant rate of displacement until it ruptures" #he

    maximum tensile stren!th onl$' of force and extension characteristics of the product is recorded"#o record the test it is important to ha%e a hi!h speed intelli!ent test data lo!!in! rate" #his is

    the transfer rate to the ) of 1008 or more to capture and record all the data"

    e use pneumatic action !rips ith rubber coated 7a faces for clampin! of the material fitted to

    a tensile testin! machine" hile manual action !rips ill ork' man$ of our users prefer the

    pneumatic action !rips for ease of use' producti%it$' and better repeatabilit$" neumatic action

    http://www.instron.us/wa/solutions/ISO-13934-2-Tensile-Properties-Fabrics-Part-2.aspx?ref=https://www.google.ro/http://www.instron.us/wa/solutions/ISO-13934-2-Tensile-Properties-Fabrics-Part-2.aspx?ref=https://www.google.ro/http://www.instron.us/wa/solutions/ISO-13934-2-Tensile-Properties-Fabrics-Part-2.aspx?ref=https://www.google.ro/http://www.instron.us/wa/solutions/ISO-13934-2-Tensile-Properties-Fabrics-Part-2.aspx?ref=https://www.google.ro/
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    !rips allo $ou to set a clampin! pressure' hile the manuall$ operated !rips depend on the

    operator;s stren!th (hich ma$ not be so repeatable," e find that !rippin! pressure and

    specimen ali!nment are %er$ important in these tests" #oo much !rippin! pressure can produce

    premature breaks' hile not enou!h !rippin! pressure can lead to specimen slippa!e or breaks

    at or near the 7as" #hese !rips are usuall$ fitted to sin!le-column or dual-column table-top

    desi!n"

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    Ta)el * Caracteri"tici te+nice ale a&aratului

    ,NU-.ARTIN!ALE A)ra"i%n and Pillin/ Te"ter .%del 0123

    Te"te

    Caracteri"ticiA4RAZIUNE PILLING

    A4RAZIUNE

    CI5RAPI

    Ti&ul materialului

    te"tat

    #extile plane' tricoturi'

    anumite materiale

    ne=esute

    >esturi ?i tricoturi

    (fire din fibre scurte,

    #oate compo9i=iile

    fibroase

    Num6r de

    e&ru'ete te"tate@ @ @

    $%rma

    e&ru'eteicircular circular circular

    !iametrul

    e&ru'etei3'@ cm 11 cm 3'@ cm

    !iametrul

    de te"tare 3 cm 9 cm 1' cm sau 2 cmSu&ra7aa de cm2 A4cm2 1'Acm2 sau

    Pre"iunea de

    te"tare

    9 ka (=esturi u?oare, 2" cBcm2 (tricoturi, 12 ka

    12 ka (tapi=erie, A" cBcm2 (=esturi,

    8ite9a de

    lucru4" C- 2"rpm 4" C- 2"rpm

    4" C- 2"rpm

    1'2 rpmDalori intermediare ale %ite9ei: x 0" and x 1" standard speed

    Cur"a t%tal6 A0" C- 0"mm 24"0 C- 0"mm A0" C- 0"mm