Chapter 6 Datums and Datum Feature References 209
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47. Label the primary, secondary, and tertiary
datum feature references in the given feature
control frame.
48. Sketch a tool to simulate the three required
datum planes and show the part in the tool.
Indicate the number of points that must be
in contact with each datum simulator.
49. Revise the given drawing to include datum
target points for all three required datums.
Locate the targets in positions that you feel
best stabilize the part and dimension their
locations. Show target symbols to identify
the targets.