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

Table 2a. 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)

# y 1 –0.15451 –0.47553 6 –0.23236 0.44273 1 –0.09755 –0.49039 8 –0.25000 0.43301 11 0.07822 0.49384 10 –0.20771 0.45482 2 –0.40451 –0.29389 7 0.00000 0.50000 2 –0.27779 –0.41573 9 –0.08682 0.49240 12 0.22700 0.44550 11 –0.07116 0.49491 3 –0.50000 0.00000 8 0.23236 0.44273 3 –0.41573 –0.27779 10 0.08682 0.49240 13 0.35355 0.35355 12 0.07116 0.49491 4 –0.40451 0.29389 9 0.41149 0.28403 4 –0.49039 –0.09755 11 0.25000 0.43301 14 0.44550 0.22700 13 0.20771 0.45482 5 –0.15451 0.47553 10 0.49635 0.06027 5 –0.49039 0.09755 12 0.38302 0.32139 15 0.49384 0.07822 14 0.32743 0.37787 6 0.15451 0.47553 11 0.46751 –0.17730 6 –0.41573 0.27779 13 0.46985 0.17101 16 0.49384 –0.07822 15 0.42063 0.27032 7 0.40451 0.29389 12 0.33156 –0.37426 7 –0.27779 0.41573 14 0.50000 0.00000 17 0.44550 –0.22700 16 0.47975 0.14087 8 0.50000 0.00000 13 0.11966 –0.48547 8 –0.09755 0.49039 15 0.46985 –0.17101 18 0.35355 –0.35355 17 0.50000 0.00000 9 0.40451 –0.29389 14 holes 9 0.09755 0.49039 16 0.38302 –0.32139 19 0.22700 –0.44550 18 0.47975 –0.14087 10 0.15451 –0.47553 # x y 10 0.27779 0.41573 17 0.25000 –0.43301 20 0.07822 –0.49384 19 0.42063 –0.27032 11 holes 1 –0.11126 –0.48746 11 0.41573 0.27779 18 0.08682 –0.49240 21 holes 20 0.32743 –0.37787 # x y 2 –0.31174 –0.39092 12 0.49039 0.09755 19 holes # x y 21 0.20771 –0.45482 1 –0.14087 –0.47975 3 –0.45048 –0.21694 13 0.49039 –0.09755 # x y 1 –0.07452 –0.49442 22 0.07116 –0.49491 2 –0.37787 –0.32743 4 –0.50000 0.00000 14 0.41573 –0.27779 1 –0.08230 –0.49318 2 –0.21694 –0.45048 23 holes x y # x y # x y # x y # x y # x 3 –0.49491 –0.07116 5 –0.45048 0.21694 15 0.27779 –0.41573 2 –0.23797 –0.43974 3 –0.34009 –0.36653 # x y y 4 –0.45482 0.20771 6 –0.31174 0.39092 16 0.09755 –0.49039 3 –0.36786 –0.33864 4 –0.43301 –0.25000 1 –0.06808 –0.49534

1

5

– Y

Ref

– X

+ X

4

2

+ Y

3

3 holes

7 holes

#

x

y

#

x

1 –0.43301 –0.25000 1 –0.21694 –0.45048 5 –0.27032 0.42063 7 –0.11126 0.48746 2 0.00000 0.50000 2 –0.48746 –0.11126 6 0.00000 0.50000 8 0.11126 0.48746 # x y 5 –0.49829 –0.04129 6 –0.49860 0.03737 3 –0.31554 –0.38786 3 0.43301 –0.25000 3 –0.39092 0.31174 7 0.27032 0.42063 9 0.31174 0.39092 1 –0.09187 –0.49149 6 –0.48470 0.12274 7 –0.46544 0.18267 4 –0.40848 –0.28834 4 holes 4 0.00000 0.50000 8 0.45482 0.20771 10 0.45048 0.21694 2 –0.26322 –0.42511 7 –0.41858 0.27347 8 –0.39092 0.31174 5 –0.47113 –0.16744 # x y 5 0.39092 0.31174 9 0.49491 –0.07116 11 0.50000 0.00000 3 –0.39901 –0.30132 8 –0.30711 0.39457 9 –0.28166 0.41312 6 –0.49883 –0.03412 17 holes 4 –0.45789 –0.20085 5 –0.48746 –0.11126 2 –0.19920 –0.45861 1 –0.35355 –0.35355 6 0.48746 –0.11126 10 0.37787 –0.32743 12 0.45048 –0.21694 4 –0.48091 –0.13683 9 –0.16235 0.47291 10 –0.14738 0.47779 7 –0.48954 0.10173 2 –0.35355 0.35355 7 0.21694 –0.45048 11 0.14087 –0.47975 13 0.31174 –0.39092 5 –0.49787 0.04613 10 0.00000 0.50000 11 0.00000 0.50000 8 –0.44394 0.23003 3 0.35355 0.35355 8 holes 12 holes 14 0.11126 –0.48746 6 –0.44758 0.22287 11 0.16235 0.47291 12 0.14738 0.47779 9 –0.36542 0.34128 4 0.35355 –0.35355 # x y # x y 15 holes 7 –0.33685 0.36950 12 0.30711 0.39457 13 0.28166 0.41312 10 –0.25979 0.42721 5 holes 1 –0.19134 –0.46194 1 –0.12941 –0.48296 # x y 8 –0.18062 0.46624 13 0.41858 0.27347 14 0.39092 0.31174 11 –0.13490 0.48146 # x y 2 –0.46194 –0.19134 2 –0.35355 –0.35355 1 –0.10396 –0.48907 9 0.00000 0.50000 14 0.48470 0.12274 15 0.46544 0.18267 12 0.00000 0.50000 1 –0.29389 –0.40451 3 –0.46194 0.19134 3 –0.48296 –0.12941 2 –0.29389 –0.40451 10 0.18062 0.46624 15 0.49829 –0.04129 16 0.49860 0.03737 13 0.13490 0.48146 2 –0.47553 0.15451 4 –0.19134 0.46194 4 –0.48296 0.12941 3 –0.43301 –0.25000 11 0.33685 0.36950 16 0.45789 –0.20085 17 0.48746 –0.11126 14 0.25979 0.42721 3 0.00000 0.50000 5 0.19134 0.46194 5 –0.35355 0.35355 4 –0.49726 –0.05226 12 0.44758 0.22287 17 0.36786 –0.33864 18 0.43301 –0.25000 15 0.36542 0.34128 4 0.47553 0.15451 6 0.46194 0.19134 6 –0.12941 0.48296 5 –0.47553 0.15451 13 0.49787 0.04613 18 0.23797 –0.43974 19 0.34009 –0.36653 16 0.44394 0.23003 5 0.29389 –0.40451 7 0.46194 –0.19134 7 0.12941 0.48296 6 –0.37157 0.33457 14 0.48091 –0.13683 19 0.08230 –0.49318 20 0.21694 –0.45048 17 0.48954 0.10173 6 holes 8 0.19134 –0.46194 8 0.35355 0.35355 7 –0.20337 0.45677 15 0.39901 –0.30132 20 holes 21 0.07452 –0.49442 18 0.49883 –0.03412 # x y 9 holes 9 0.48296 0.12941 8 0.00000 0.50000 16 0.26322 –0.42511 # x y 22 holes 19 0.47113 –0.16744 1 –0.25000 –0.43301 # x y 10 0.48296 –0.12941 9 0.20337 0.45677 17 0.09187 –0.49149 1 –0.07822 –0.49384 # x y 20 0.40848 –0.28834 2 –0.50000 0.00000 1 –0.17101 –0.46985 11 0.35355 –0.35355 10 0.37157 0.33457 18 holes 2 –0.22700 –0.44550 1 –0.07116 –0.49491 21 0.31554 –0.38786 3 –0.25000 0.43301 2 –0.43301 –0.25000 12 0.12941 –0.48296 11 0.47553 0.15451 # x y 3 –0.35355 –0.35355 2 –0.20771 –0.45482 22 0.19920 –0.45861 4 0.25000 0.43301 3 –0.49240 0.08682 13 holes 12 0.49726 –0.05226 1 –0.08682 –0.49240 4 –0.44550 –0.22700 3 –0.32743 –0.37787 23 0.06808 –0.49534 5 0.50000 0.00000 4 –0.32139 0.38302 # x y 13 0.43301 –0.25000 2 –0.25000 –0.43301 5 –0.49384 –0.07822 4 –0.42063 –0.27032 24 holes 6 0.25000 –0.43301 5 0.00000 0.50000 1 –0.11966 –0.48547 14 0.29389 –0.40451 3 –0.38302 –0.32139 6 –0.49384 0.07822 5 –0.47975 –0.14087 # x y 6 0.32139 0.38302 2 –0.33156 –0.37426 15 0.10396 –0.48907 4 –0.46985 –0.17101 7 –0.44550 0.22700 6 –0.50000 0.00000 1 –0.06526 –0.49572 7 0.49240 0.08682 3 –0.46751 –0.17730 5 –0.50000 0.00000 8 –0.35355 0.35355 7 –0.47975 0.14087 2 –0.19134 –0.46194 8 0.43301 –0.25000 4 –0.49635 0.06027 6 –0.46985 0.17101 9 –0.22700 0.44550 8 –0.42063 0.27032 3 –0.30438 –0.39668 9 0.17101 –0.46985 5 –0.41149 0.28403 7 –0.38302 0.32139 10 –0.07822 0.49384 9 –0.32743 0.37787 4 –0.39668 –0.30438

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