GATE ME 2023 Set 1 — Question 54
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Metrology, CIM & Additive Mfg → Metrology & Inspection → Coordinate Measuring Machine
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Question
A coordinate measuring machine (CMM) is used to determine the distance between Surface and Surface of an approximately cuboidal shaped part. Surface is declared as the datum as per the engineering drawing used for manufacturing this part. The CMM is used to measure four points on Surface , and four points on Surface as shown. A regression procedure is used to fit the necessary planes.The distance between the two fitted planes is ___________ mm.(Answer in integer)

Correct answer
4.999 to 5.001
Solution
1.Analyze the coordinates of the points on Surface (Datum):
2.Analyze the coordinates of the points on Surface :
4.The distance between the plane and is mm.
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