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68 Part II: Metrology
(g)
Functional
segments
Part II.A.2
4.763 mm (.1875 in.)
Cone and vee profile rolls
(h)
12.70 ± 0.13 mm (.500 ± .005 in.)
Workpiece
2 × 3.18 ± 0.05 mm (.125 ± .002 in.)
9.53 mm (.375 in.)
12.83 +0.000
–0.005 mm
(.505 +.0000
–.0002 in. )
Go
No go
12.57 +0.005
–0.000 mm
.495 +0.002
–0.000 in.
( )
12.700 mm (.5000 in.)
12.700 mm (.5000 in.)
19.050 mm (.7500 in.)
63.500 mm
(2.500 in.)
Gage
(i)
19.050 mm (.7500 in.)
Figure 7.10
Continued.
• Ring and snap gages for checking outside dimensions
• Plug gages for checking inside dimensions
• Other gages for checking other geometrical shapes such as tapers,
threads, and splines
Typical plug gages, such as the ones shown in Figure 7.10a, consist of a hardened and
accurately ground steel pin with two gage members: one is the go gage member