41. A batch of pins with p(12 ± 0.01) mm in diameter is machined by means of centerless grinding machine. It is found through measuring 100 pins taken from the batch of pins at random that its diameters approach to normal distribution, and the mean value X = 11.99 mm, the root-mean-square deviation o = 0.003. (1) To draw the diameter error distribution curve of pins. (2) To calculate the process capability coefficient C,, of this operation. Cp 1/60 Answers:

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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41. A batch of pins with p(12 ± 0.01) mm in diameter is machined by means of centerless grinding machine. It is found through
measuring 100 pins taken from the batch of pins at random that its diameters approach to normal distribution, and the mean value
X = 11.99 mm, the root-mean-square deviation o = 0.003.
(1) To draw the diameter error distribution curve of pins.
(2) To calculate the process capability coefficient C, of this operation. Cp-T760
Answers:
Transcribed Image Text:41. A batch of pins with p(12 ± 0.01) mm in diameter is machined by means of centerless grinding machine. It is found through measuring 100 pins taken from the batch of pins at random that its diameters approach to normal distribution, and the mean value X = 11.99 mm, the root-mean-square deviation o = 0.003. (1) To draw the diameter error distribution curve of pins. (2) To calculate the process capability coefficient C, of this operation. Cp-T760 Answers:
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