FORD WB900 APPENDIX D-1996 DIMENSIONAL REQUIREMENTS FOR INTERNAL LOBED RECESSES《内部有瓣凹槽的尺寸要求》.pdf

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1、e&B WORLDWIDE STANDARD WB 900 APPENDIX D DATE: 1996 JULY Dimensional Requirements for Internal Lobed Recesses 1. GAUGING OF LOBED RECESS. The recess shall be checked for dimensional acceptability using gauges that meet the requirements of Table Dl and Figure Dl . The recess penetration shall meet th

2、e requirements of Table D2 and D3 unless otherwise specified on the Ford utility part drawing. Figure Dl. 0.13 max counterbore for TlO and T15 0.25 max. counterbore for T20 and larger No counterbore for sizes smaller than 510 Table Dl. Gauging limits Recess 1 I Reference A B E F T6 1.709 1.224 0.396

3、 0.134 1.695 1.210 0.371 0.130 T7 2.026 1.453 0.450 0.165 1 2.761 ( 1.979 1 0.585 1 0.227 TlS 1 3.309 i 2.367 1 0.728 1 0.269 1 3.295 1 2.353 1 0.704 1 0.265 T20 1 3.893 1 2.778 1 0.871 1 0.307 3.879 2.764 0.846 0.303 T25 4.465 3.185 0.932 0.378 4.451 3.170 0.907 0.371 T27 5.024 3.578 1.120 0.393 5.

4、009 3.564 1.095 0.387 T30 5.557 3.972 1.206 0.454 I 5.543 3.958 1.182 0.448 I T40 6.687 4.780 1.440 0.548 1 6.673 ) 4.766 1.415 0.544 T45 1 7.856 1 5.570 1 1.808 1 0.576 I 7.841 5.555 1.784 0.572 TSO 8.872 6.380 1.820 0.777 8.857 6.366 1.804 0.773 T55 11.259 7.945 2.682 0.769 1 11.245 ( 7.930 1 2.65

5、7 1 0.765 T60 1 13.317 1 9.504 1 2.895 1 1.069 1 13.302 1 9.490 1 2.871 ( 1.065 PAGE 1 OF 3 - 90092b0 005Y3bL II-75 - (a!iEm WORLDWIDE STANDARD wB900 APPENDIX D DATE: 1996 JULY Dimensional Requirements for Internal Lobed Recesses Table D2. I=Recess Gauge Penetration I Suitable Recess Ref screw sizes

6、 for head forms and recess specified M3.5 Headless TIO M3, s-n.9 MS Headless T15 M3.5, ST35 l-20 M4, M4.5, ST4.2 M6 Headless MS, ST4.8, ST5.5, M4 Cap Head M7 Headless M4.5, M5 Cap Head MS Headless M20 Headless Head form dimensions as specified in: WB 900 or WD 900 B 90 Raised CQuntclsunk Head form d

7、imensions as specified in: W-B 900 or wD900 Head form dimensions as specified in: WB 900 or W-D 900 Head Type I D Hexagon Head form dimensions as specified in: WA 900 E Flanged Hexagon Head form dimensions as specified in: WA 900 or wTl900 I Minimum = 0.63 Head form dimensions as specified in: IS0 4

8、762 I Minimum = 0.77 I Minimum =0.89 I Minimum = 0.83 I I Minimum = 1.1 I I Minimum = 1.2 I Minimum = 0.88 I Minimum I Minimum = 1.15 = 1.53 I Minimum I Minimum = 1.27 I Minimum - = 1.14 = 1.4 I Minimum = 1.27 I Minimum =2.14 I Minimum = 1.52 I Minimum I Minimum = 2.04 =2.16 I Miniimn I Minimum = 2.

9、42 = 2.29 I Minimum = 1.9 I Minimum =2.93 I Minimum = 2.79 I Minimum = 2.28 I Minimum I Minimum = 2.93 = 3.43 I Minimum I Minimum 53.31 = 3.43 I Minimum = 3.04 I Minimum I Minimum = 4.22 = 4.35 I Minimum = 4.44 I Minimum = 3.93 I Minimum I Minimum = 4.83 = 5.34 I I Minimum = 5.97 PAGE 2 OF 3 - =lilCl=lLb0 llOSi3b2 TO1 - ziiiB WORLDWIDE STANDARD WB 900 APPENDIX D DATE: 1996 JULY Dimensional Requirements for Internal Lobed Recesses Table D3. Maximum penetration for all metric head styles except as noted.