A batch of small shafts were made on a centerless grinding machine, with a diameter of 16 (0/- 0.02) mmm, and the diameter of the small shafts was found to conform to the normal distribution after machining, with an average value of U = 15.991 mm and a root mean square deviation is 0.005 mm. Then please find: (1) Draw a size distribution diagram of the dimension; (2) Marking the rate of repairable and non-repairable scrap for waste; (3) Analyze the main causes of waste products.
A batch of small shafts were made on a centerless grinding machine, with a diameter of 16 (0/- 0.02) mmm, and the diameter of the small shafts was found to conform to the normal distribution after machining, with an average value of U = 15.991 mm and a root mean square deviation is 0.005 mm. Then please find: (1) Draw a size distribution diagram of the dimension; (2) Marking the rate of repairable and non-repairable scrap for waste; (3) Analyze the main causes of waste products.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:A batch of small shafts were made on a centerless grinding machine, with a
diameter of 16 (0/- 0.02) mmm, and the diameter of the small shafts was
found to conform to the normal distribution after machining, with an
average value of U = 15.991 mm and a root mean square deviation is 0.005
mm. Then please find:
(1) Draw a size distribution diagram of the dimension;
(2) Marking the rate of repairable and non-repairable scrap for waste;
(3) Analyze the main causes of waste products.
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