[Psychology] Mechanical Assemblies Phần 4 docx

... 1 11,-0 0 0 1] ; A2 =[1 0 0 40 ,-0 1 0 0;0 0 1 34, -0 0 0 1 ] ; %door_dev %calculate deviations E =4. 5/25 .4 dxl=E*V(l) dx2=E*V(2) dyl=E*V(3) dy2=E*V (4) dzl=E*V(5) dz2=E*V(6) %door_errs %door ... >=3 ,4. 7.D.3. Third Question: fl(3;1,2 ,4) This question yields two additional precedence relations: 3 >= 1,2 and 3 >= 2 ,4. 7.D .4. Fourth Question: R...

Ngày tải lên: 07/08/2014, 04:21

... On Undepreciated Investment 39 40 41 42 43 44 4b 46 47 48 49 bO 51 b'2 b3 b4 bb 56 b/ by by 50 61 b2 63 64 65 66 b/ 68 69 i 70 71 Year 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 a ross ... available 42 1 46 7 47 9 48 4 time required 42 1 46 7 47 9 Assembly approach direction 44 Assembly cost 190 396 47 9 increased by rework 43 7 As...

Ngày tải lên: 07/08/2014, 04:21

... Window Fan 48 3 17.I.3. Staple Gun 48 3 17.I .4. Making Stacks 48 4 17.I.5. Igniter 48 4 17.J. Chapter Summary 48 8 17.K. Problems and Thought Questions 48 8 17.L. Further Reading 48 8 18 ECONOMIC ... Specifications as 4 x 4 Transforms 147 6.C.1. Representation of Individual Tolerance Zones as 4 x 4 Transforms 147 6.C.2. Worst-Case Representation of 4...

Ngày tải lên: 07/08/2014, 04:20

... instantaneous over- constraint of a given part in the assembly. 4. C .4. Kinematic Assemblies 46 3 MATHEMATICAL AND FEATURE MODELS OF ASSEMBLIES In a connective assembly model, the user joins ... equation T13 = T12* T 24* 743 (Note that you will have to calculate T43, which you can do with knowledge of T 34, which is asked for in Problem 3.) 4. F....

Ngày tải lên: 07/08/2014, 04:21

... 3 W, 2 34 = n(W 123 , W 4 ) = recip((J(T m , T 4 )) = overconstraint provided by all four paths Note that W 12 34 / H(Wi, W 2 , W 3 , W 4 ) = mcip(U(Ti, T 2 , T 3 , T 4 )) = ... no rotation of the pin is allowed about the long axis. 4. L.2. Toolkit Features The features appear in Table 4- 14. TABLE 4- 14. Toolkit Features Toolkit Feature Number...

Ngày tải lên: 07/08/2014, 04:21

... 2 ASSEMBLIES EXAMPLE To clarify our approach to designing assemblies, we need to distinguish between two kinds of assemblies, which we call Type 1 and Type 2. Type 1 assemblies ... 1-2 Aft-Skin Splice-Str3 Fwd-Skin Str 4- 11 1 1 1 0 0 0 0 2 1 0 1 0 0 0 3 1 0 0 1 0 0 4 1 0 0 0 1 0 5 1 0 0 0 0 1 6 0 1 1 0 0 0 7 0 0 1 1 0 0 8 0 0 0 1 1 0 9 2 0 -1 0 0 0 1 0 0 1 0...

Ngày tải lên: 07/08/2014, 04:21

... (Continued) 1655 1660 1670 1680 1690 1700 1710 1720 1730 1 740 1750 1760 1770 1780 1790 1800 1810 1820 1830 1 840 1850 1860 1870 1880 1890 1900 1910 1920 1930 1 940 1950 1960 1970 1980 1990 2000 2010 2020 2030 2032 20 34 2 040 2050 2060 2070 IF IF FZ ... before steady FIGURE 11 -41 . Insertion Force Versus Insertion Depth for a Straight Side Peg Like That Shown in Figure 11 -40...

Ngày tải lên: 07/08/2014, 04:21

... 15 12 to 14 13 to 14 16 to 15 Clearance (inches) 0.013 0.013 0.008 0.033 0.008 0.001 0.005 0.005 0.01 Clearance Ratio 0. 040 0. 040 0.025 0.096 0.025 0.003 0. 040 0. 040 0.016 4 342 14 PRODUCT ... for assemblies. Black arcs represent mechanical joints while gray arcs represent wiring connections. 14. C. INTERACTION OF ARCHITECTURE DECISIONS AND ASSEMBLY IN THE LARG...

Ngày tải lên: 07/08/2014, 04:21

... '•'•'- 3 .45 3 .45 9.01 3 .45 3 .45 4. 35 7.95 3.38 7 .45 5 .45 11.50 7 .45 11.95 30.65 2.63 Time 115.57 '"•fcpt/. $0.0 14 $0.0 14 $0.036 $0.0 14 $0.0 14 $0.018 $0.032 $0.0 14 $0.030 $0.022 $0. 047 $0.030 $0. 048 $0.1 24 $0.011 Cost $0 .46 8 Part Can ... Item 2.00 6.50 2.00 4. 50 2.00 2.00 2.00 1.50 2.00 1.50 1.50 9.00 9.00 6.50 9.00 5.00 9.00 8.50 5....

Ngày tải lên: 07/08/2014, 04:21

... SYSTEMS 45 3 TABLE 16 -4. Parts Supply Schedule for the Staple Gun Station 1 Station 2 Station 3 Station 4 Station 5 Station 6 Station 7 Station 8 Different Parts Supplied 4 7 5 3 1 4 2 1 Bulk ... process. (Courtesy of Boeing. Used by permission.) 46 2 777 Program Everett Factory Plan FIGURE 16- 34. Boeing 777 Assembly Floor Lavout 46 4 16 ASSEMBLY SYSTE...

Ngày tải lên: 07/08/2014, 04:21