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# hw1 - ME 363 Homework No 1 1 Name Due Four parts with the...

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M E 363 Homework No. 1 Name Due: 9/9/2010 1. Four parts with the following dimension are to be assembled in tandem. 0.005 0.001 0.006 0.008 3.52 4.752 0.003 13.352 7.273 0.005 Part A Part B Part C Part D + + = = ± = = ± (a) The tolerance of an assembled length T s equals 2 2 A B ( +( + ) ) T T where T A etc. equals the tolerance of the individual parts. What is the tolerance on the assembled length? (b) "Redesign" the dimensions and make them (1) all unilateral and (2) all bilateral. For the bilateral specifications, use 0 as the lower limit. 2. Surface roughness measurements were taken from the surface of a machined workpiece as shown in Fig. 1. The measured values are deviations from the mean value. Answer the following questions using the information shown in Figure 1. (a) Calculate the arithmetic average of the
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