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    FORD FLTM BN 102-2-2001 FLEX TEST FOR POLYMERIC COATED FABRICS GENUINE LEATHERS AND WOVEN FABRICS (Replaces FLTM BN 002-02 FLTM EU-BN 002-02).pdf

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    FORD FLTM BN 102-2-2001 FLEX TEST FOR POLYMERIC COATED FABRICS GENUINE LEATHERS AND WOVEN FABRICS (Replaces FLTM BN 002-02 FLTM EU-BN 002-02).pdf

    1、FORD LABORATORY TEST METHOD BN 102-02 2001 O9 17 FLEX TEST FOR POLYMERIC COATED FABRICS, GENUINE LEATHERS AND WOVEN FABRICS Revised Editorial - no technical change A. Cockman Application This procedure is used to determine the resistance to flexing of automotive trim materials. Scope A sample mounte

    2、d in a cylindrical shape is flexed in cycles consisting of alternate compression by a load applied along the axis of the cylinder and return to the position at start of compression. Apparatus Required Flexing Machine A “W Flex Tester, or equivalent device, which will flex the cylindrical shaped samp

    3、le 12.7 mm along its vertical axis at a rate of 450 cycles per minute. Plugs Metal plugs approximately 25.4 mm O.D. and approximately 45 mm long are inserted in each end of the cylindrical test specimen. The projecting ends of the plugs have holes for attachment to the flex testing machine. Clamps H

    4、ose clamps 16 mm in width and having a 26 mm I.D. are required for clamping the specimen to the plugs. Magnifier Light A magnifier light may be required for examination of the test specimen upon completion of the prescribed number of flexing cycles. Holding Jig A small jig for accurately spacing the

    5、 metal plugs while mounting the samples may be of some assistance. The spacing may also be accomplished with the assembly in position on the flex tester. I Date I Action I Revisions I Copyght02001, Ford GlobalTechnologies, Inc FORD LABORATORY TEST METHOD BN 102-02 Conditioning and Test Conditions Al

    6、l test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 OC and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. Procedure 1. 2. 3. 4. 5. 6. 7. Cut a 63 x 79 mm test sp

    7、ecimen with the long dimension parallel to the filling or width (for vinyls only - other materials as specified in the Engineering Materials Specifications) of the material and not closer than 1 O % of the full width of the material to an edge or selvage. Roll the test specimen into a cylindrical sh

    8、ape, coating or face side out, with the short dimension along the length of the cylinder. (See attached sketch showing mounted assembly.) Slip a loosened hose clamp over one end of the test specimen and insert a metal plug 25 mm inside the sample. Do the same for the other end of the sample. Tighten

    9、 the hose clamps around the specimen and plugs. The openings of the clamps shall be over the joint in the cylindrical specimen to prevent wrinkling. The metal plugs shall be positioned so that a 19 mm length of the specimen is left between the plugs free for flexing. Place the mounted sample in its

    10、proper position on the flex tester between the fixed and movable plates opened to their fullest extend, both plugs being seated evenly together on threaded studs to avoid stretching or distortion of the specimen. Fasten the plugs by means of wing nuts. Start the machine and flex the test specimen 6r

    11、 the number of cycles required by the relevant Engineering Materials Specification. Each cycle consists of a downward compression stroke of 12.7 mm and return to the original position. Examine and report any failure in the test specimen as stipulated by the relevant Engineering Materials Specificati

    12、on. Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities. Page 2 of 3 CopyrightO2001, Ford Global Technologies, Inc FORD LABORATORY TEST METHOD BN 102-02 EI FLEX TEST FOR POLYMERIC COATED FABRICS, GENUINE LEATHER AND WOVEN FABRICS - Metal Plug 9- Metal Plug Sketch Showing Method of Mounting Sample for Flex Test Page 3 of 3 CopyrightO2001, Ford Global Technologies, Inc


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