When using datum targets to establish a complete datum reference frame, which three requirements should be met?
What will be an ideal response?
ANS:
When using datum targets to establish a complete datum reference frame (a datum reference frame that constrains all six degrees of freedom), three requirements should be met:
1. Datum targets should be located and defined with basic dimensions to ensure repeatability between the part and the datum feature simulators.
2. The datum reference frame must constrain all six degrees of freedom of part movement in space.
3. The part dimensioning must ensure that the part will have only one orientation and location in the datum feature simulator.
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