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    FORD WB 900 APPENDIX G-2015 Enhanced Hexalobular External Driving Feature for Bolts and Screws.pdf

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    FORD WB 900 APPENDIX G-2015 Enhanced Hexalobular External Driving Feature for Bolts and Screws.pdf

    1、 WORLDWIDE FASTENER STANDARD WB 900 2015 03 06 Appendix G Printed copies are uncontrolled Copyright 2015, Ford Global Technologies, LLC Page 1 of 8 Enhanced Hexalobular External Driving Feature for Bolts and Screws 1 Scope This Ford Motor Company standard specifies the shape and basic dimensions of

    2、enhanced hexalobular external driving feature for bolts and screws including the gauging method. The curvature of the contour of the enhanced hexalobular external driving feature is defined by the gauges specified in Tables 3 and 4. Additional information which may be used when drawing the contour i

    3、s given in the informative annex A. 2 Basic dimensions 2.1 Stem Drive Feature See Figure 1 and Table 1 Figure 1 Stem Drive Feature Basic Dimensions Table 1 Stem Drive Feature Basic Dimensions Dimensions in millimeters Drive Size Nominal Size A1) Reference K 2)Minimum H2)Maximum Fallaway 1) Allowance

    4、 1EP M4 2.29 1.20 4.99 0.79 4EP M5 3.70 1.60 5.42 1.19 5EP M6 4.58 2.40 6.41 1.59 7EP M8 5.99 3.20 8.63 1.98 8EP M10 7.29 3.60 10.34 2.39 10EP M12 9.19 4.35 13.38 2.39 12EP M14 10.95 5.15 14.75 2.77 14EP M16 12.67 5.95 16.30 3.18 16EP M20 14.50 6.75 21.23 3.58 1) Controlled by gauging 2) Measured WO

    5、RLDWIDE FASTENER STANDARD WB 900 2015 03 06 Appendix G Printed copies are uncontrolled Copyright 2015, Ford Global Technologies, LLC Page 2 of 8 2.2 Head Drive Feature See Figure 2 and Table 2 Figure 2a Head Drive Feature Figure 2b Low Profile Head Drive Feature Basic Dimensions Basic Dimensions Tab

    6、le 2 Head Drive Feature Basic Dimensions Dimensions in millimeters Drive Size A1)Reference K11) Reference K21) Reference Drive Size Selection Standard Low Profile 5EP 4.58 1.19 1.38 M4 M3 6EP 5.54 1.24 1.67 M5 7EP 5.99 1.37 1.81 M4 8EP 7.29 1.70 2.20 M6 M5 10EP 9.19 2.08 2.78 M8 M6 11EP 9.86 2.26 2.

    7、98 12EP 10.95 2.54 3.30 M10 14EP 12.67 3.28 3.83 M12 M8 16EP 14.50 3.64 4.38 M10 18EP 16.38 3.99 4.95 M14 20EP 18.16 4.34 5.48 M16 M12 22EP 19.99 5.08 6.04 24EP 21.84 5.89 6.60 M18 / M20 M14 26EP 23.60 6.52 7.13 M16 28EP 25.40 7.19 7.67 M22 30EP 27.13 7.72 8.19 M18 32EP 28.91 8.28 8.73 M24 M20 1) Co

    8、ntrolled by gauging WORLDWIDE FASTENER STANDARD WB 900 2015 03 06 Appendix G Printed copies are uncontrolled Copyright 2015, Ford Global Technologies, LLC Page 3 of 8 3 Gauging 3.1 Principle The enhanced hexalobular external driving feature shall enter freely into the relevant product standard Confi

    9、guration GO Gauge as illustrated in Figure 3a. The enhanced hexalobular external driving feature fallaway, diameter (A) and drive height (K) shall be gauged using the relevant product standard Final Inspection/Fallaway/Go Gauge as illustrated in Figure 4. 3.2 Configuration GO gauge The Configuration

    10、 GO gauge dimensions per Figure 3 are specified in Table 3. Gauge use is illustrated in Figure 3a. Figure 3 Dimensions of Configuration GO gauge WORLDWIDE FASTENER STANDARD WB 900 2015 03 06 Appendix G Printed copies are uncontrolled Copyright 2015, Ford Global Technologies, LLC Page 4 of 8 Table 3

    11、Limiting sizes of dimensions of Configuration GO gauge Dimensions in millimeter Drive A B Ea Eb Fa Fb W Size MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. 5EP 4.6406 4.6482 3.5636 3.5712 0.2375 0.2413 0.5055 0.5093 0.2972 0.3010 0.5652 0.5690 4.98 5.13 6EP 5.6058 5.6134 4.305

    12、3 4.3129 0.2870 0.2908 0.6108 0.6146 0.3594 0.3632 0.6832 0.6870 5.94 6.10 7EP 6.0884 6.0960 4.6761 4.6838 0.3086 0.3124 0.6594 0.6632 0.3937 0.3975 0.7445 0.7483 6.53 6.68 8EP 7.3838 7.3914 5.6769 5.6845 0.3759 0.3797 0.8039 0.8077 0.4737 0.4775 0.9017 0.9055 7.85 8.00 10EP 9.2888 9.2964 7.1349 7.1

    13、425 0.4877 0.4915 1.0272 1.0310 0.5855 0.5893 1.1250 1.1288 9.75 9.91 11EP 9.9492 9.9568 7.6429 7.6505 0.5258 0.5296 1.1048 1.1086 0.6236 0.6274 1.2026 1.2064 10.39 10.54 12EP 11.0414 11.0490 8.4709 8.4785 0.5918 0.5956 1.2322 1.2360 0.6896 0.6934 1.3300 1.3338 11.53 11.68 14EP 12.7686 12.7762 9.801

    14、9 9.8095 0.6909 0.6947 1.4353 1.4391 0.7887 0.7925 1.5331 1.5369 13.23 13.39 16EP 14.6228 14.6304 11.2192 11.2268 0.7874 0.7912 1.6364 1.6402 0.9106 0.9144 1.7596 1.7634 15.09 15.24 18EP 16.5151 16.5227 12.6746 12.6822 0.8903 0.8941 1.8506 1.8544 1.0262 1.0300 1.9865 1.9903 16.99 17.15 20EP 18.3058

    15、18.3134 14.0487 14.0564 0.9881 0.9919 2.0527 2.0565 1.1367 1.1405 2.2013 2.2051 18.82 18.97 22EP 20.1346 20.1422 15.4508 15.4584 1.0947 1.0986 2.2673 2.2711 1.2433 1.2471 2.4159 2.4197 20.93 21.08 24EP 21.9761 21.9837 16.8554 16.8631 1.2103 1.2141 2.4908 2.4946 1.3462 1.3500 2.6267 2.6305 22.61 22.7

    16、6 26EP 23.7414 23.7490 18.2143 18.2220 1.3056 1.3094 2.6902 2.6940 1.4542 1.4580 2.8388 2.8426 24.49 24.64 28EP 25.5448 25.5524 19.5910 19.5986 1.4122 1.4161 2.9013 2.9051 1.5608 1.5646 3.0499 3.0537 26.21 26.37 30EP 27.2720 27.2796 20.9118 20.9194 1.5138 1.5177 3.1037 3.1075 1.6624 1.6662 3.2523 3.

    17、2561 28.17 28.32 32EP 29.0500 29.0576 22.2733 22.2809 1.6180 1.6218 3.3121 3.3159 1.7666 1.7704 3.4607 3.4645 29.82 29.97 Insert stem/head drive feature into gage for configuration check. Figure 3a Use of Configuration GO Gauge WORLDWIDE FASTENER STANDARD WB 900 2015 03 06 Appendix G Printed copies

    18、are uncontrolled Copyright 2015, Ford Global Technologies, LLC Page 5 of 8 3.3 Final Inspection/Fallaway/Go Gauge The Final Inspection/Fallaway/Go gauge dimensions per Figure 4 are specified in Table 4. Gauge use is illustrated in Figure 4a. Figure 4 Dimensions of Final Inspection/Fallaway/Go Gauge

    19、Table 4 Limiting sizes of dimensions of Final Inspection/Fallaway/Go Gauge Dimensions in millimeter Drive Size A + 0.0076 - 0.0025 AA + 0.0076 - 0.0025 B + 0.0076 - 0.0076 K + 0.127 - 0.000 T + 0.000 - 0.025 R + 0.0000 - 0.0051 X + 0.127 - 0.127 5EP 4.6482 4.3208 3.5712 0.940 1.168 0.5182 11.66 6EP

    20、5.6134 5.2187 4.3129 0.991 1.372 0.6235 12.17 7EP 6.0706 5.6608 4.6584 1.219 1.524 0.6848 12.37 8EP 7.3660 6.8732 5.6591 1.448 1.600 0.8293 16.15 10EP 9.2710 8.6688 7.1171 1.829 2.007 1.0526 17.12 11EP 9.9314 9.2927 7.6251 1.981 2.489 1.1302 18.95 12EP 11.0236 10.3180 8.4531 2.286 2.540 1.2576 20.45

    21、 14EP 12.7508 11.9508 9.7841 3.023 2.692 1.4607 24.99 16EP 14.5796 13.6705 11.1760 3.251 2.972 1.6745 29.01 18EP 16.4846 15.4444 12.6441 3.734 3.658 1.8824 33.05 20EP 18.2626 17.1206 14.0056 4.089 4.115 2.0908 35.43 22EP 20.0914 18.8457 15.4076 4.801 4.572 2.3054 37.82 24EP 21.9456 20.5925 16.8250 5

    22、.639 5.359 2.5226 38.79 26EP 23.6982 22.2471 18.1712 6.019 5.575 2.7283 39.82 28EP 25.5016 23.9450 19.5478 6.934 6.325 2.9394 43.61 WORLDWIDE FASTENER STANDARD WB 900 2015 03 06 Appendix G Printed copies are uncontrolled Copyright 2015, Ford Global Technologies, LLC Page 6 of 8 30EP 27.2288 25.5725

    23、20.8686 7.205 6.397 3.1418 43.91 32EP 29.0068 27.2487 22.2301 8.026 6.883 3.3502 48.26 Insert stem/head drive feature into gage features to inspect feature fallaway, diameter (A) and drive height (K). Fallaway is gauged by inserting the drive feature into the fallaway gauging element as illustrated

    24、in section 1A. The head drive feature must not extend beyond upper surface of fallaway gauge. The stem drive feature may protrude beyond upper surface of fallaway gauge by fallaway allowance shown in Table 1. Go gauge element: the drive feature must enter the go gauge element opening to the choke or

    25、 flange as illustrated in section 2A. Minimum drive feature length is verified by inserting the drive feature into the lobed gauging element from the bottom side of the gauge. The top of the drive feature must extend beyond the step as illustrated in section 3A. Figure 4a Use of Final Inspection/Fal

    26、laway/Go Gauge WORLDWIDE FASTENER STANDARD WB 900 2015 03 06 Appendix G Printed copies are uncontrolled Copyright 2015, Ford Global Technologies, LLC Page 7 of 8 Annex A (Informative) Representation of enhanced hexalobular external driving feature contour NOTE: The correlations of dimensions given i

    27、n Figure A.1 are intended to support the drawing of the driving feature only, e.g. when using a CAD system. Scale to socket nominal dimension per Table 1 as needed. Figure A.1 Representation of enhanced hexalobular external driving feature WORLDWIDE FASTENER STANDARD WB 900 2015 03 06 Appendix G Printed copies are uncontrolled Copyright 2015, Ford Global Technologies, LLC Page 8 of 8 REVISIONS 2015 03 06 Table 2 added Drive Size Selection columns


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