FORD FLTM BN 026-01-2001 GLASS RUN WEATHERSTRIP FRICTIONAL EFFORT《玻璃槽用挡风雨条的耐摩擦性能》.pdf

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1、FORD LABORATORY TEST METHOD BN 026-01 Date Action GLASS RUN WEATHERSTRIP FRICTIONAL EFFORT Revisions Application 2001 O924 1992 07 13 This procedure is used to determine the frictional properties of glass and flocked weatherstrip used in glass run channels. Revised Editorial - no technical change A.

2、 Cockman Apparatus Required Electronic Testing Machine Instron Model 7M or equivalent. Source: Instron Engineering Corp. 2500 Washington Canton, MA Accessories for Above Equipment Automatic Integrator - Catalog #A-80 Tensile Cell “C“ - Catalog #A-3 Gage Length and Rapid Return Controls - Catalog #A-

3、36 Door Glass Frame and Glass Run Buck Assembly (See attached Drawing #I) Glass (See attached Drawing #4) Pulley (2) #75680 M62, Bakelite Source: Central Scientific Co. Window Channel (2) The steel window channel is a 32 1/2 inch section of current production material used with the weatherstrip unde

4、r test. Each channel is secured to the buck assembly by means of five countersunk flat head screws. Cable Standard wire cable 1/16 inch or 1/32 inch diameter, 60 inches long. CopynghtQ2001, Ford Global Technologies, Inc FORD LABORATORY TEST METHOD BN 026-01 Hook 16 gage wire shaped as a J hook. Adap

5、tor Mounting Adaptor as per attached Drawing #3 is used to connect the pulley with the cell in the Instron. Conditioning and Test Conditions All 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

6、 24 h prior to testing and tested under the same conditions unless otherwise specified. Procedure 1. Condition the weatherstrip samples for 24 h at 65 +/- 2 % relative humidity and at a temperature of 70 +/- 2 OF. Specimens for the wet test must be soaked for 1 h in tap water at a temperature of 70

7、+/- 2 OF. 2. Set up “C“ cell in Instron with pulley adaptor. At the universal joint shims are to be used to lock the assembly in place. (See attached Drawing #2.) 3. Balance and zero the Instron and integrator. 4. Calibrate the instrument and integrator following the directions in the instruction ma

8、nual, then proceed as follows: (a) Clear the counters on the integrator and turn the integrator counter switches to the “On“ position. Turn manual-automatic switch to “Automatic“ position. (b) Set crosshead speed to 20 inches/minute by using proper gear combination as shown in gear selection chart f

9、or various crosshead speeds (see manual). (c) Set chart speed to 5 inches/minute by using proper gear combinations (see manual) (d) Set full scale load to 50 Ib range. (e) Set buck assembly in center of Instron. 5. Determine the weight and integrator input value of the glass as follows: (a) Without

10、any weatherstrip in the channels, connect up the glass in the buck so that it is suspended freely between the channels. (b) Push the “Down“ button to start the crosshead in motion to raise the glass once (c) Record the integrator input reading for the weight (W) of the glass. Page 2 of 7 Copynght020

11、01, Ford Global Technologies, Inc FORD LABORATORY TEST METHOD BN 026-01 6. 7. 8. 9. 1 o. 11. 12. 13. Disconnect the hook and cable and remove the glass from the buck assembly. Install the flocked rubber weatherstrip samples in each channel run. Insert the glass in the weatherstrips and slide the gla

12、ss to the bottom of the channel runs. Hand cycle the glass up and down in the channel for four complete cycles (up and down = 1 cycle). Reconnect cable and hook to glass. Clear counters on the integrator. Start the test by pushing the “Down“ button and raise the glass once through a distance of 20 i

13、nches. Read the counter on the integrator and record the input units (X) for the friction of the glass and weatherstrip. Calculate and report the frictional effort as follows: F =IS - W) x L x S 5000 Where: F = Frictional effort in inch Ibs X = Input units (Step 12) L = Full scale load in pounds (50

14、 Ibs) S = Rate of crosshead travel (20 inches/minute) W = Integrator Input Units (Step 5C) 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 3 of 7 Copyng

15、ht02001, Ford Global Technologies, Inc FORD LABORATORY TEST METHOD BN 026-01 GLASS RUN WEATHERSTRIP FRICTIONAL EFFORT Door Glass Frame and Glass Run Buck Assembly WINDOW OVERALL DIMENSIONS HEIGHT 52“ WIDTH 33“ INSIDE DIMENSIONS HEIGHT 31.5 WIDTH 19.56 Drawing #I Page 4 of 7 Copynght02001, Ford Globa

16、l Technologies, Inc FORD LABORATORY TEST METHOD BN 026-01 GLASS RUN WEATHERSTRIP FRICTIONAL EFFORT Pulley & Pulley Adaptor Assembly n SI COUPLING UNIVERSAL JOINT USE SHIMS TO LOCK p- PULLEY ADAPTOR Drawing #2 Page 5 of 7 Copynght02001, Ford Global Technologies, Inc FORD LABORATORY TEST METHOD BN 026

17、-01 GLASS RUN WEATHERSTRIP FRICTIONAL EFFORT Pulley Adaptor for Instron 1” DIA HOLE 4 II UNC 4 t Drawing #3 Page 6 of 7 Copynght02001, Ford Global Technologies, Inc FORD LABORATORY TEST METHOD BN 026-01 GLASS RUN WEATHERSTRIP FRICTIONAL EFFORT GLASS FOR W EATH ERSTR I P EVALUATION EDGINGTYPE 1B 1 ?f

18、6 HOLE Center Line - hi / TK l I ALL AROUND OF) 3 0.31 R I 99 +i O I Center Line ,488 R I I / l OF) 99 i THICKNESS ,187 f ,003 THE ABOVE TO BE SHEET GLASS UNTEMPERED UNLESS IO“ EDGE CAN BE MAINTAINED PARALLEL AND WITH .OlO“ FLATNESS ALONG EDGES Drawing #4 Page 7 of 7 Copynght02001, Ford Global Technologies, Inc

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