Designing Capable and Reliable Products Episode 4 pot

... Normal distribution. C pk  j ÿL n j 3 2: 14 µ = 49 .575 mm = 49 .5 mm σ = 0.861 mm =41 Superimposed Normal distribution 47 47 .5 48 48 .5 49 49 .5 50 50.5 51 51.5 52 52.5 53 Frequency 12 10 8 6 4 2 0 Figure 2.27 Statistical ... cover support leg 82 Designing capable components and assemblies where:   mean of distribution L n  nearest tolerance limit   standard devi...

Ngày tải lên: 13/08/2014, 08:21

...   2 Â 49 :95 49 :98 2  4 Â 49 :96 49 :98 2  7 Â 49 :97 49 :98 2 10 Â 49 :98 49 :98 2  8 Â 49 :99 ÿ 49 :98 2  6 Â50 49 :98 2 2 Â50:01 49 :98 2  1 Â50:02 49 :98 2 40 v u u u u u t  ...  2 N s  ...

Ngày tải lên: 13/08/2014, 08:20

... 000 0:03 Â 0:05 2  2 Â 0:00 04 2 ! 0:5  2 L  4: 444 4 Â 10 13  4: 444 4 Â 10 11  2: 844 4 Â 10 11  2 L  4: 5173 Â 10 13 This value equals the variance of the stress, or the standard deviation squared. ...  0:35301 84 0:00030:03011 m  a  3 :44 xo b  0:05 ÿ 3:13 944 730:00 04 0: 048 74 m  b  0:05  0:35301 84 0:00 04 0:050 14 m  b  3 :44 The inverse CDF is then used...

Ngày tải lên: 13/08/2014, 08:20

... 350 ÿ 3:13 944 73 40 2 24: 42 MPa  L  350  0:35301 84 40 3 64: 12 MPa  L  3 :44 The reliability equation then becomes: R   I 2 24: 42 1 ÿ exp  ÿ  x ÿ 2 24: 42 3 64: 12 ÿ 2 24: 42  3 :44 ! Á 1 50  2 p exp  ÿ x ... 10 ÿ 13, 35 396 Index and x 0  2 24: 42  MIN x 1  2 24: 42  47 :56  271:98 x 2  271:98  47 :56  319: 54 x 3 FFF; x 10  700  MAX From Simp...

Ngày tải lên: 13/08/2014, 08:20

... demand leads to higher manufacturing costs, and a looser tolerance or lower accuracy demand leads to lower manufacturing costs (Dong, 1997). 1 14 Designing capable assembly stacks 4 Designing reliable ... (%)  H2 = 2 a Â100 1 1.2 1 0.010 1.7 0.002 0.06 0. 04 2 1.2 1.1 0.250 1.7 0.060 37.55 37.70 3 1 1 0.085 1.7 0.020 4. 34 4.19 4 1.2 1.7 0.300 1.7 0.072 54. 07 54. 28 5 1...

Ngày tải lên: 13/08/2014, 08:21

... 147 1208 45 9 192 1508 548 201 1808 615 218 Pull 608 281 103 908 392 1 34 1208 46 4 138 1508 544 161 1808 535 165 176 Designing reliable products occurrences, but may be less than optimal for rare events. ... 1, as shown in Figure 4. 29, to give the reliability, R,as: R   1 0 GdH 4: 44 or R  1 ÿ  1 0 HdG 4: 45 Equation 4. 44 is solved using Simpson's Rule to integrate...

Ngày tải lên: 13/08/2014, 09:20

... q m and C pk and (b) q m and C p (with 95% con®dence limits) 58 Designing capable components and assemblies metal, pipes, wires and a variety of other components held together by nuts, bolts and rivets. ... to process risk chart, s p 48 Designing capable components and assemblies Figure 2.16 Assembly sequence diagram for a castor wheel 62 Designing capable component...

Ngày tải lên: 06/08/2014, 15:21

... Normal distribution. C pk  j ÿ L n j 3 2: 14 µ = 49 .575 mm = 49 .5 mm σ = 0.861 mm =41 Superimposed Normal distribution 47 47 .5 48 48 .5 49 49 .5 50 50.5 51 51.5 52 52.5 53 Frequency 12 10 8 6 4 2 0 Figure 2.27 Statistical ... Analysis procedure ¯owchart 78 Designing capable components and assemblies Figure 2.30 Variability risks table for the ®xing bolt assembly 84...

Ngày tải lên: 06/08/2014, 15:21

... 1996): . Gather and present facts about products and processes . Clarify and analyse relationships between products and processes . Measure performance . Highlight strengths and weaknesses and compare ... process and designing capable and reliable products that have been highlighted through industrial collaboration. Introduction 255 . Changing the role of design en...

Ngày tải lên: 06/08/2014, 15:21

... and the way products later fail in service. An introduction to risk and risk assessment provides the reader with the underlying concepts of the approaches for designing capable and reliable products. ... (Kotz and Lovelace, 1998; Vasseur et al., 1992). Making the product robust to variation is the driving force behind designing capable and reliable products, lessens...

Ngày tải lên: 27/06/2014, 17:20