Designing Capable and Reliable Products Episode 7 pot

... application in sequence is independent and belongs to the same load distribution and it is assumed that the material suers no strength 178 Designing reliable products and in fact load spectrums tend ... 0.09 Dead load 0.1 Hand wrench torque 0.1 Live load 0.25 Snow load 0.26 Human arm strength 0.3 to 0.4 Wind loads 0. 37 Mechanical devices in service 0.5 170 Designing reliab...

Ngày tải lên: 13/08/2014, 09:20

...  2 N s   4 Â416 ÿ4 57: 76 2  9 Â434 ÿ4 57: 76 2  17 Â452 ÿ4 57: 76 2 10 Â 470 ÿ4 57: 76 2  7 Â488 ÿ4 57: 76 2  3 Â506 ÿ4 57: 76 2 50 v u u u t  23:45 MPa We can now ... standard deviation are given by equations 10 and 12 respecti...

Ngày tải lên: 13/08/2014, 08:20

... distribution  %  0: 577 21 57  % 1:2825498Â Minimum Extreme Value Type I distribution  %  ÿ0: 577 21 57  % 1:2825498Â Note the parameters for the 3-parameter Weibull distribution, xo and , can be estimated ... Rnd)) ^ 0.29 07) (inverse CDF's for Let a  0.02906 + (0.03011 ÿ 0.02906) * ((ÿLog(1 ÿ Rnd)) ^ 0.29 07) each variable) Let b  0.04 874 + (0.05014 ÿ 0.04 874 ) * ((ÿLog(1...

Ngày tải lên: 13/08/2014, 08:20

... 5 Equivalent mean 3 57 ÿ 8 Experimental load analysis 173 ÿ 4 Exponential distribution 1 37, 3 57, 360, 363 External supplier capability 273 development process 273 quality standards 271 , 273 Factor of ... 208 ÿ 10 Standard deviation (de®nition) 163 ÿ 4, 277 ÿ 8, 280, 3 57 ÿ 8 Standard error, data 145 Standard Normal Distribution (SND) 282 ÿ 7 table of values 284 ÿ 5 Standard Normal...

Ngày tải lên: 13/08/2014, 08:20

... 103 Figure 2. 37 Telescopic lever assembly analysis for Design A 96 Designing capable components and assemblies Figure 2.28 Variability risks table for the cover support leg 82 Designing capable components ... `A' Objectives, application and guidance for an analysis 77 Figure 2.41 Assembly sequence diagram for the solenoid end assembly design 100 Designing capable comp...

Ngày tải lên: 13/08/2014, 08:21

... 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 1 0.004 1 .7 0.001 0.01 0.01 6 1 1 0.080 1 .7 0.019 3.85 3 .78 Assembly ... demand leads to higher manufacturing costs, and a looser tolerance or lower accuracy demand leads to lower manufacturing costs (Dong, 19 97) . 114 Designing capable...

Ngày tải lên: 13/08/2014, 08:21

... 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. ... complexity Figure 2 .7 Surface roughness to process risk chart, s p 48 Designing capable components and assemblies Figure 2.16 Assembly sequence diagram for a castor...

Ngày tải lên: 06/08/2014, 15:21

... methodology 74 Designing capable components and assemblies A standard for the minimum acceptable process capability index for any component/characteristic is normally set at C pk  1:33, and this standard ... non-conformance 67 Figure 2.25 Conformability Analysis procedure ¯owchart 78 Designing capable components and assemblies Figure 2.30 Variability risks table for the ®xin...

Ngày tải lên: 06/08/2014, 15:21

... 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 1 0.004 1 .7 0.001 0.01 0.01 6 1 1 0.080 1 .7 0.019 3.85 3 .78 Assembly ... going to be capable, and if not what components require redesigning. In addition to understanding the statistical tolerance stack models and the FMEA process in dev...

Ngày tải lên: 06/08/2014, 15:21

... processes Appendix IV 3 17 Appendix IV Process capability maps Index to maps Sheet A Casting processes Sand casting ± Steel and iron Sand casting ± Copper alloys Sand casting ± Aluminium and magnesium alloys Shell ... suppliers and possibly fewer quality problems . Systematic component costing and process selection . Improved yields . Lower component and assembly costs . Standardiz...

Ngày tải lên: 06/08/2014, 15:21