FORD WE910 APPENDIX A-1996 GAUGING OF HEXAGON AND HEXAGON FLANGE NUTS《六角和六角凸缘螺母的测量》.pdf

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1、FORD WORLDWIDE FASTENER STANDARDDate: 1996-10-01Engineering Standards & 1 of 2 Printed copies are uncontrolled .Systems Engineering (ESSE)WE 910APPENDIX AGauging of Hexagon and Hexagon Flange NutsA1. GENERAL.A1.1 HEXAGON.The nut shall be gauged using two plain ring gauges, A and B, to demonstrate th

2、ecoincidental acceptability of hex height, wrenching height and width across corners.A1.2 HEXAGON FLANGED.The nut shall be gauged using three plain ring gauges, A, B and C, to demonstrate thecoincidental acceptability of hex height, wrenching height, width across corners, and theflange diameter and

3、thickness.A2. GAUGING.A2.1 HEX PORTION.For hexagon nuts gauge A2 shall be seated on a flat surface and the nut placed in it . Forhexagon flanged nuts gauge A1 shall be placed over the hex portion and seat of theflange. Gauge B shall be placed on the top of the nut normal to the nut axis. The twogaug

4、es shall not be in contact.A2.2 FLANGE.Gauge C shall be seated on a flat surface and the nut placed in it. Gauge A1 shall beplaced over the hex portion. The nut shall seat within gauge C, and gauges A1 and Cshall not be in contact.NOTE: For hexagon nuts only Clause 2.1 applies. For hexagon flanged n

5、uts bothClauses2.1 and 2.2 apply.FORD WORLDWIDE FASTENER STANDARDDate: 1996-10-01Engineering Standards & 2 of 2 Printed copies are uncontrolled .Systems Engineering (ESSE)WE 910APPENDIX AGauging of Hexagon and Hexagon Flanged NutsHexagon and hexagon flanged nutsDimensions in mmNominal Size M4 M5 M6

6、M8 M10 M12 M14 M16 M20 M24Gauges A1 &A2W a Max. 8.09 9.25 11.56 15.02 17.33 20.79 24.26 27.72 34.65 41.58Min. 8.08 9.24 11.55 15.01 17.32 20.78 24.25 27.71 34.64 41.57Gauge A1 T a Max. 2.0 2.2 3.1 4.5 5.5 6.7 7.8 9 11.1 -Flanged Min. 1.99 2.19 3.09 4.49 5.49 6.69 7.79 8.99 11.09 -Gauge A2 Hexagon Ma

7、x. 2.32 3.52 3.92 5.15 6.43 8.3 9.68 11.28 13.52 16.16Min. 2.31 3.51 3.91 5.14 6.42 8.29 9.67 11.27 13.51 16.15W b Max. 7.65 8.78 11.04 14.37 16.63 20.02 23.35 26.74 32.94 39.54Gauge B Min. 7.64 8.77 11.03 14.36 16.62 20.01 23.34 26.73 32.93 39.53T b Min. 3 3 4 4 5 5 6 6 6 6W c Min. 12 14 16 20 24 2

8、9 32.5 37 45 -Gauge C T c Max. 0.98 1.08 1.19 1.31 1.81 2.20 2.55 2.96 3.7 -Min. 0.97 1.07 1.18 1.30 1.80 2.19 2.54 2.95 3.69 -Thin nutsDimensions in mmNominal Size M4 M5 M6 M8 M10 M12 M14 M16 M20 M24Gauges A2 W a Max. 8.09 9.25 11.56 15.02 17.33 20.79 24.26 27.72 34.65 41.58Min. 8.08 9.24 11.55 15.

9、01 17.32 20.78 24.25 27.71 34.64 41.57Gauge A2 T a Max. 1.56 1.96 2.32 2.96 3.76 4.56 5.14 5.94 7.28 8.72Min. 1.55 1.95 2.31 2.95 3.75 4.55 5.13 5.93 7.27 8.71Gauge B2 W b Max. 7.65 8.78 11.04 14.37 16.63 20.02 23.34 26.74 32.94 39.54Min. 7.64 8.77 11.03 14.36 16.62 20.01 23.33 26.73 32.93 39.53Gauge B T b Min. 3 3 4 4 5 5 6 6 6 6