2.
Measurement Process Characterization
2.3. Calibration 2.3.4. Catalog of calibration designs 2.3.4.2. Drift-elimination designs for gage blocks
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CAMERON-HAILES DESIGN FOR 4 GAGE BLOCKS + DRIFT OBSERVATIONS 1 1 1 1 Y(1) 1 -1 0 0 Y(2) -1 0 0 1 Y(3) 0 0 1 -1 Y(4) 0 1 -1 0 Y(5) 0 1 0 -1 Y(6) -1 0 0 1 Y(7) 1 0 -1 0 Y(8) 0 -1 1 0 RESTRAINT + + CHECK STANDARD + - DEGREES OF FREEDOM = 4 SOLUTION MATRIX DIVISOR = 168 OBSERVATIONS 1 1 1 1 Drift Y(1) 35 -35 -7 7 -7 Y(2) -14 14 14 42 -5 Y(3) -7 7 35 -35 -3 Y(4) -14 14 -42 -14 -1 Y(5) -21 21 -7 -49 1 Y(6) -14 14 14 42 3 Y(7) 21 -21 -49 -7 5 Y(8) 14 -14 42 14 7 R* 84 84 84 84 0 R* = Sum of the two reference standards FACTORS FOR REPEATABILITY STANDARD DEVIATIONS NOM FACTOR 1 1 1 1 1 0.3227 + 1 0.3227 + 1 0.5204 + 1 0.5204 + 0 0.6455 + -Explanation of notation and interpretation of tables |