FORD-FLTM-BN-102-02-2001.pdf
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1、FORD LABORATORY TEST METHOD BN 102-02 2001 O 9 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 mount
2、ed 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 sam
3、ple 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
4、Hose 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 th
5、e 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 A
6、ll test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 O C 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
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