(Part A) Machinerys Handbook 31st Edition Pages 1-1484

Table 2b. Hole Coordinate Dimension Factors for Type “B” Hole Circles

10 holes

13 holes (Continued)

16 holes

18 holes (Continued)

20 holes (Continued)

22 holes (Continued)

X

Ref

# y 1 0.34549 0.02447 6 0.26764 0.94273 1 0.40245 0.00961 8 0.25000 0.93301 11 0.57822 0.99384 10 0.29229 0.95482 2 0.09549 0.20611 7 0.50000 1.00000 2 0.22221 0.08427 9 0.41318 0.99240 12 0.72700 0.94550 11 0.42884 0.99491 3 0.00000 0.50000 8 0.73236 0.94273 3 0.08427 0.22221 10 0.58682 0.99240 13 0.85355 0.85355 12 0.57116 0.99491 4 0.09549 0.79389 9 0.91149 0.78403 4 0.00961 0.40245 11 0.75000 0.93301 14 0.94550 0.72700 13 0.70771 0.95482 5 0.34549 0.97553 10 0.99635 0.56027 5 0.00961 0.59755 12 0.88302 0.82139 15 0.99384 0.57822 14 0.82743 0.87787 6 0.65451 0.97553 11 0.96751 0.32270 6 0.08427 0.77779 13 0.96985 0.67101 16 0.99384 0.42178 15 0.92063 0.77032 7 0.90451 0.79389 12 0.83156 0.12574 7 0.22221 0.91573 14 1.00000 0.50000 17 0.94550 0.27300 16 0.97975 0.64087 8 1.00000 0.50000 13 0.61966 0.01453 8 0.40245 0.99039 15 0.96985 0.32899 18 0.85355 0.14645 17 1.00000 0.50000 9 0.90451 0.20611 14 holes 9 0.59755 0.99039 16 0.88302 0.17861 19 0.72700 0.05450 18 0.97975 0.35913 10 0.65451 0.02447 # x y 10 0.77779 0.91573 17 0.75000 0.06699 20 0.57822 0.00616 19 0.92063 0.22968 11 holes 1 0.38874 0.01254 11 0.91573 0.77779 18 0.58682 0.00760 21 holes 20 0.82743 0.12213 # x y 2 0.18826 0.10908 12 0.99039 0.59755 19 holes # x y 21 0.70771 0.04518 1 0.35913 0.02025 3 0.04952 0.28306 13 0.99039 0.40245 # x y 1 0.42548 0.00558 22 0.57116 0.00509 2 0.12213 0.17257 4 0.00000 0.50000 14 0.91573 0.22221 1 0.41770 0.00682 2 0.28306 0.04952 23 holes x y # x y # x y # x y # x y # x 3 0.00509 0.42884 5 0.04952 0.71694 15 0.77779 0.08427 2 0.26203 0.06026 3 0.15991 0.13347 # x y y 4 0.04518 0.70771 6 0.18826 0.89092 16 0.59755 0.00961 3 0.13214 0.16136 4 0.06699 0.25000 1 0.43192 0.00466

5

1

Y

2

4

3

3 holes

7 holes

#

x

y

#

x

1 0.06699 0.25000 1 0.28306 0.04952 5 0.22968 0.92063 7 0.38874 0.98746 2 0.50000 1.00000 2 0.01254 0.38874 6 0.50000 1.00000 8 0.61126 0.98746 # x y 5 0.00171 0.45871 6 0.00140 0.53737 3 0.18446 0.11214 3 0.93301 0.25000 3 0.10908 0.81174 7 0.77032 0.92063 9 0.81174 0.89092 1 0.40813 0.00851 6 0.01530 0.62274 7 0.03456 0.68267 4 0.09152 0.21166 4 holes 4 0.50000 1.00000 8 0.95482 0.70771 10 0.95048 0.71694 2 0.23678 0.07489 7 0.08142 0.77347 8 0.10908 0.81174 5 0.02887 0.33256 # x y 5 0.89092 0.81174 9 0.99491 0.42884 11 1.00000 0.50000 3 0.10099 0.19868 8 0.19289 0.89457 9 0.21834 0.91312 6 0.00117 0.46588 17 holes 4 0.04211 0.29915 5 0.01254 0.38874 2 0.30080 0.04139 1 0.14645 0.14645 6 0.98746 0.38874 10 0.87787 0.17257 12 0.95048 0.28306 4 0.01909 0.36317 9 0.33765 0.97291 10 0.35262 0.97779 7 0.01046 0.60173 2 0.14645 0.85355 7 0.71694 0.04952 11 0.64087 0.02025 13 0.81174 0.10908 5 0.00213 0.54613 10 0.50000 1.00000 11 0.50000 1.00000 8 0.05606 0.73003 3 0.85355 0.85355 8 holes 12 holes 14 0.61126 0.01254 6 0.05242 0.72287 11 0.66235 0.97291 12 0.64738 0.97779 9 0.13458 0.84128 4 0.85355 0.14645 # x y # x y 15 holes 7 0.16315 0.86950 12 0.80711 0.89457 13 0.78166 0.91312 10 0.24021 0.92721 5 holes 1 0.30866 0.03806 1 0.37059 0.01704 # x y 8 0.31938 0.96624 13 0.91858 0.77347 14 0.89092 0.81174 11 0.36510 0.98146 # x y 2 0.03806 0.30866 2 0.14645 0.14645 1 0.39604 0.01093 9 0.50000 1.00000 14 0.98470 0.62274 15 0.96544 0.68267 12 0.50000 1.00000 1 0.20611 0.09549 3 0.03806 0.69134 3 0.01704 0.37059 2 0.20611 0.09549 10 0.68062 0.96624 15 0.99829 0.45871 16 0.99860 0.53737 13 0.63490 0.98146 2 0.02447 0.65451 4 0.30866 0.96194 4 0.01704 0.62941 3 0.06699 0.25000 11 0.83685 0.86950 16 0.95789 0.29915 17 0.98746 0.38874 14 0.75979 0.92721 3 0.50000 1.00000 5 0.69134 0.96194 5 0.14645 0.85355 4 0.00274 0.44774 12 0.94758 0.72287 17 0.86786 0.16136 18 0.93301 0.25000 15 0.86542 0.84128 4 0.97553 0.65451 6 0.96194 0.69134 6 0.37059 0.98296 5 0.02447 0.65451 13 0.99787 0.54613 18 0.73797 0.06026 19 0.84009 0.13347 16 0.94394 0.73003 5 0.79389 0.09549 7 0.96194 0.30866 7 0.62941 0.98296 6 0.12843 0.83457 14 0.98091 0.36317 19 0.58230 0.00682 20 0.71694 0.04952 17 0.98954 0.60173 6 holes 8 0.69134 0.03806 8 0.85355 0.85355 7 0.29663 0.95677 15 0.89901 0.19868 20 holes 21 0.57452 0.00558 18 0.99883 0.46588 # x y 9 holes 9 0.98296 0.62941 8 0.50000 1.00000 16 0.76322 0.07489 # x y 22 holes 19 0.97113 0.33256 1 0.25000 0.06699 # x y 10 0.98296 0.37059 9 0.70337 0.95677 17 0.59187 0.00851 1 0.42178 0.00616 # x y 20 0.90848 0.21166 2 0.00000 0.50000 1 0.32899 0.03015 11 0.85355 0.14645 10 0.87157 0.83457 18 holes 2 0.27300 0.05450 1 0.42884 0.00509 21 0.81554 0.11214 3 0.25000 0.93301 2 0.06699 0.25000 12 0.62941 0.01704 11 0.97553 0.65451 # x y 3 0.14645 0.14645 2 0.29229 0.04518 22 0.69920 0.04139 4 0.75000 0.93301 3 0.00760 0.58682 13 holes 12 0.99726 0.44774 1 0.41318 0.00760 4 0.05450 0.27300 3 0.17257 0.12213 23 0.56808 0.00466 5 1.00000 0.50000 4 0.17861 0.88302 # x y 13 0.93301 0.25000 2 0.25000 0.06699 5 0.00616 0.42178 4 0.07937 0.22968 24 holes 6 0.75000 0.06699 5 0.50000 1.00000 1 0.38034 0.01453 14 0.79389 0.09549 3 0.11698 0.17861 6 0.00616 0.57822 5 0.02025 0.35913 # x y 6 0.82139 0.88302 2 0.16844 0.12574 15 0.60396 0.01093 4 0.03015 0.32899 7 0.05450 0.72700 6 0.00000 0.50000 1 0.43474 0.00428 7 0.99240 0.58682 3 0.03249 0.32270 5 0.00000 0.50000 8 0.14645 0.85355 7 0.02025 0.64087 2 0.30866 0.03806 8 0.93301 0.25000 4 0.00365 0.56027 6 0.03015 0.67101 9 0.27300 0.94550 8 0.07937 0.77032 3 0.19562 0.10332 9 0.67101 0.03015 5 0.08851 0.78403 7 0.11698 0.82139 10 0.42178 0.99384 9 0.17257 0.87787 4 0.10332 0.19562

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