1、 WORLDWIDE FASTENER STANDARD WF900 Appendix A Date: 2013-05-23 Printed copies are uncontrolled Copyright 2013, Ford Global Technologies, LLC Page 1 of 8 DIMENSIONAL, MATERIAL REQUIREMENTS AND MECHANICAL PROPERTIES OF FLAT, TOOTHED, CONICAL, BOWED AND WAVY WASHERS Figure 5 Type A Table 5 Clearance Ho
2、le d1 (H14) Outside Diameter d2 (h15) S Nominal Size (Thread Size d) Nom. (Min.) Max. Nom. (Max.) Min. Nom. Tol. Max. h1) Min. Number of Teeth Min. Compression Load N 1.6 2 2.5 3 4 5 6 8 10 12 16 20 24 30 1.7 2. 2.7 3.2 4.3 5.3 6.4 8.4 10.5 13 17 21 25 31 1.95 2.45 2.95 3.5 4.6 5.6 6.76 8.76 10.93 1
3、3.43 17.43 21.52 25.52 31.62 3.7 4.7 5.7 6.3 8.3 9.3 11.3 14.7 18.4 20.5 26.4 33 38.4 48.4 3.22 4.22 5.22 5.72 7.72 8.72 10.6 14 17.56 19.66 25.56 32 37.4 37.4 0.3 0.3 0.4 0.4 0.5 0.6 0.7 0.8 0.9 1 1.2 1.4 1.5 1.6 +/- 0.03 +/- 0.03 +/- 0.04 +/- 0.04 +/- 0.04 +/- 0.05 +/- 0.05 +/- 0.05 +/- 0.05 +/- 0
4、.06 +/- 0.07 +/- 0.07 +/- 0.08 +/- 0.08 0.6 0.6 0.7 0.7 0.9 1 1.1 1.3 1.4 1.5 1.8 2 2.2 2.4 8 8 9 9 11 11 12 14 16 16 18 20 20 22 - - - 1560 2720 4400 6230 11400 18000 26100 48700 76000 109000 174000 1) Minimum value after compression test WORLDWIDE FASTENER STANDARD WF900 Appendix A Date: 2013-05-2
5、3 Printed copies are uncontrolled Copyright 2013, Ford Global Technologies, LLC Page 2 of 8 Figure 6 Type B Table 6 Clearance Hole d1 (H14) Outside Diameter d2 (h15) S Nominal Size (Thread Size d) Nom. (Min.) Max. Nom. (Max.) Min. Nom. Tol. Max. h1) Min. Number of Teeth Min. Compression Load N 1.6 2
6、 2.5 3 4 5 6 8 10 12 16 20 24 30 1.7 2. 2.7 3.2 4.3 5.3 6.4 8.4 10.5 13 17 21 25 31 1.95 2.45 2.95 3.5 4.6 5.6 6.76 8.76 10.93 13.43 17.43 21.52 25.52 31.62 3.7 4.7 5.7 6.3 8.3 9.3 11.3 14.7 18.4 20.5 26.4 33 38.4 48.4 3.22 4.22 5.22 5.72 7.72 8.72 10.6 14 17.56 19.66 25.56 32 37.4 37.4 0.3 0.3 0.4
7、0.4 0.5 0.6 0.7 0.8 0.9 1 1.2 1.4 1.5 1.6 +/- 0.03 +/- 0.03 +/- 0.04 +/- 0.04 +/- 0.04 +/- 0.05 +/- 0.05 +/- 0.05 +/- 0.05 +/- 0.06 +/- 0.07 +/- 0.07 +/- 0.08 +/- 0.08 0.6 0.6 0.7 0.7 0.9 1 1.1 1.3 1.4 1.5 1.8 2 2.2 2.4 6 6 6 6 8 8 8 8 9 10 12 12 14 14 - - - 1560 2720 4400 6230 11400 18000 26100 487
8、00 76000 109000 174000 1) Minimum value after compression test WORLDWIDE FASTENER STANDARD WF900 Appendix A Date: 2013-05-23 Printed copies are uncontrolled Copyright 2013, Ford Global Technologies, LLC Page 3 of 8 Figure 7 Type C Table 7 Clearance Hole d1 (H14) Outside Diameter d2 (h15) S Nominal S
9、ize (Thread Size d) Nom. (Min.) Max. Nom. (Max.) Min. Nom. Tol. Max. h1) Min. Number of Teeth Min. Compression Load N 1.6 2 2.5 3 4 5 6 8 10 12 16 20 24 30 1.7 2. 2.7 3.2 4.3 5.3 6.4 8.4 10.5 13 17 21 25 31 1.95 2.45 2.95 3.5 4.6 5.6 6.76 8.76 10.93 13.43 17.43 21.52 25.52 31.62 3.7 4.7 5.7 6.3 8.3
10、9.3 11.3 14.7 18.4 20.5 26.4 33 38.4 48.4 3.22 4.22 5.22 5.72 7.72 8.72 10.6 14 17.56 19.66 25.56 32 37.4 37.4 0.3 0.3 0.4 0.4 0.5 0.6 0.7 0.8 0.9 1 1.2 1.4 1.5 1.6 +/- 0.03 +/- 0.03 +/- 0.04 +/- 0.04 +/- 0.04 +/- 0.05 +/- 0.05 +/- 0.05 +/- 0.05 +/- 0.06 +/- 0.07 +/- 0.07 +/- 0.08 +/- 0.08 0.6 0.6 0
11、.7 0.7 0.9 1 1.1 1.3 1.4 1.5 1.8 2 2.2 2.4 6 6 7 7 8 8 9 10 12 12 14 16 16 18 - - - 1560 2720 4400 6230 11400 18000 26100 48700 76000 109000 174000 1) Minimum value after compression test WORLDWIDE FASTENER STANDARD WF900 Appendix A Date: 2013-05-23 Printed copies are uncontrolled Copyright 2013, Fo
12、rd Global Technologies, LLC Page 4 of 8 Figure 8 Type D Table 8 Clearance Hole d1 (H14) Outside Diameter d2 (h15) S Nominal Size (Thread Size d) Nom. (Min.) Max. Nom. (Max.) Min. Nom. Tol. Max. h1) Min. Number of Teeth Min. Compression Load N 1.6 2 2.5 3 4 5 6 8 10 12 16 20 24 30 1.7 2. 2.7 3.2 4.3
13、5.3 6.4 8.4 10.5 13 17 21 25 31 1.95 2.45 2.95 3.5 4.6 5.6 6.76 8.76 10.93 13.43 17.43 21.52 25.52 31.62 3.7 4.7 5.7 6.3 8.3 9.3 11.3 14.7 18.4 20.5 26.4 33 38.4 48.4 3.22 4.22 5.22 5.72 7.72 8.72 10.6 14 17.56 19.66 25.56 32 37.4 37.4 0.3 0.3 0.4 0.4 0.5 0.6 0.7 0.8 0.9 1 1.2 1.4 1.5 1.6 +/- 0.03 +
14、/- 0.03 +/- 0.04 +/- 0.04 +/- 0.04 +/- 0.05 +/- 0.05 +/- 0.05 +/- 0.05 +/- 0.06 +/- 0.07 +/- 0.07 +/- 0.08 +/- 0.08 0.6 0.6 0.7 0.7 0.9 1 1.1 1.3 1.4 1.5 1.8 2 2.2 2.4 6 6 6 6 8 8 8 8 9 10 12 12 14 14 - - - 1560 2720 4400 6230 11400 18000 26100 48700 76000 109000 174000 1) Minimum value after compre
15、ssion test WORLDWIDE FASTENER STANDARD WF900 Appendix A Date: 2013-05-23 Printed copies are uncontrolled Copyright 2013, Ford Global Technologies, LLC Page 5 of 8 Figure 9 Type E Figure 10 Type F Table 9 Table 10 d11)H13 d3Ref. S Nom. +/- Tol. d11)H13 d3Ref. S Nom. +/- Tol. 1.7 - - - 1.7 - - - 1.8 -
16、 - - 1.8 - - - 1.9 - - - 1.9 - - - 2.2 4.2 0.2 0.02 2.2 4.2 0.2 0.02 2.5 - 0.2 0.02 2.5 - 0.2 0.02 2.7 5.1 0.2 0.02 2.7 5.1 0.2 0.02 2.8 - 0.2 0.02 2.8 - 0.2 0.02 3.2 6 0.2 0.02 3.2 6 0.2 0.02 3.7 7 0.25 0.03 3.7 7 0.25 0.03 4.3 8 0.25 0.03 4.3 8 0.25 0.03 5.1 - - - 5.1 - - - 5.3 9.8 0.3 0.03 5.3 9.
17、8 0.3 0.03 6.4 11.8 0.4 0.04 6.4 11.8 0.4 0.04 7.4 - - - 7.4 - - - 8.2 - - - 8.2 - - - 8.4 15.3 0.4 0.04 8.4 15.3 0.4 0.04 10.5 19 0.5 0.04 10.5 19 0.5 0.04 12.5 23 0.5 0.04 12.5 23 0.5 0.04 14.5 26.2 0.6 0.05 14.5 26.2 0.6 0.05 16.5 30.2 0.6 0.05 16.5 30.2 0.6 0.05 19 - - - 19 - - - 21 - - - 21 - -
18、 - 23 - - - 23 - - - 25 - - - 25 - - - 28 - - - 28 - - - 31 - - - 31 - - - 1) For dimensional requirements of the washer component of screw or nut and washer assemblies see Table 1. WORLDWIDE FASTENER STANDARD WF900 Appendix A Date: 2013-05-23 Printed copies are uncontrolled Copyright 2013, Ford Glo
19、bal Technologies, LLC Page 6 of 8 Figure 11 Dimensions of toothed, conical, bowed and wavy washers WORLDWIDE FASTENER STANDARD WF900 Appendix A Date: 2013-05-23 Printed copies are uncontrolled Copyright 2013, Ford Global Technologies, LLC Page 7 of 8 Table 11 Free height and compressed height Washer
20、 Type d1Nominal Size (mm) 2 2.5 3 3.5 4 5 6 8 10 12 Toothed Free h1max - - - - 1.6 1.6 2.2 2.5 2.8 3.2 min - - - - 0.9 0.9 1.3 1.5 1.7 1.8 Countersunk Type Free h Min 1.5 x 1) 2)distributed equally either side of the centerline of the material After Compression (2 minutes min) h2s + 10% Compression
21、Load N - - - - 2720 4400 6230 11400 26100 - Conical Free h1max - 0.72 0.85 1.06 1.3 1.55 2 2.6 3.2 3.95 s1)- 0.4 +/- 0.04 0.5 +/- 0.04 0.5 +/- 0.04 0.8 +/- 0.05 1 +/- 0.06 1.2 +/- 0.07 2 +/- 0.09 2 +/- 0.09 2.5 +/- 0.1 After Compression (2 minutes min) h2min - 0.61 0.72 0.92 1.12 1.35 1.7 2.24 2.8 3
22、.43 Compression Load N - 1100 1500 2700 4000 6550 9250 17000 27100 39500 Bowed Free h1max - - 1.3 1.4 1.6 1.8 2.2 3.4 4 - s1)- - 0.5+/- 0.05 0.5+/- 0.05 0.8+/- 0.06 0.8+/- 0.06 0.8+/- 0.06 1+/- 0.07 1+/- 0.07 - After Compression (2 minutes min) h2min - - 1 1.1 1.3 1.5 1.8 2.7 3.2 - Compression Load
23、N - - 1700 2200 2900 4700 6700 12200 19300 - Wavy Free h1max - - 1.6 1.8 2 2.2 2.6 3 4.2 5 s1)- - 0.5+0.05 0.5+0.05 0.5+0.05 0.5+0.05 0.5+0.05 0.8+0.06 1+0.07 1.2+0.07 After Compression (2 minutes min) h2min - - 1.3 1.5 1.6 1.8 2.1 2.4 3.4 4 Compression Load N - - 1700 2200 2900 4700 6700 12200 1930
24、0 28000 NOTE: The above requirements also apply to the washer component of screw or nut and washer assemblies including those instances where the washer is subjected to heat treatment in the assembled condition. 1) S = Material thickness 2) For material thickness of toothed washers see Tables 5, 6,
25、7, 8, 9 and 10 as appropriate. WORLDWIDE FASTENER STANDARD WF900 Appendix A Date: 2013-05-23 Printed copies are uncontrolled Copyright 2013, Ford Global Technologies, LLC Page 8 of 8 Table 12 Material, heat treatment and hardness Washer Material, Heat Treat & Hardness Class Material Heat Treatment H
26、ardness Flat A Steel - 160 - 320HV Flat D1)Steel Case Harden and Temper Core 370HV max Surface 450HV min Flat E2)Steel Harden and Temper 160 - 430HV Flat F3)Steel Harden or case harden and temper 100 - 390 NOTE: The above requirements also apply to the washer component of screw or nut and washer ass
27、emblies. 1) This material is intended for use in case hardened and tempered sheet metal screw and washer assemblies. 2) This material is intended for use in through hardened and carbon restored screw and washer assemblies. 3) This material is intended for case hardened or hardened and tempered assemblies. It allows for the use of low carbon steels maximum flexibility of washer material.
