Plastics Product Design Part 5 potx

... b-b 1 0.2 x 5 x 106 0.2 85 0.2 85 x IO6 1 150 psi 131 5 psi 0.2 x 5 x 106 + 0.1 x 3 x 106 0.2 x 5 x 106 + 0.1 x 3 x 106 0.2 85 0.1 35 0.2 15 0.3 65 0.326 x IO6 ... 3,100 3,000 2,400 19,300 1,200 1,400 3,100 2 ,50 0 2,800 55 69 61 72 82 62 30 35 25 70 2 .5 12 12 5 20 12 6 a a 75 75 60 5. 4 60 90 600...

Ngày tải lên: 12/08/2014, 01:22

... thin films down to 2 .5 microns. x- 460 Plastics Engineered Product Design critical. Any product designed with these guidelines in mind should conduct tests on the products themselves to ... short-term loads 1 to 2 .5 2 to 5 Static long-term loads Repeated loads 5tO 15 Variable changing loads 4tO 10 Fatigue loads 5tO 15 Impact loads 10 to...

Ngày tải lên: 12/08/2014, 01:22

... rod of the previous example, gives Resin B oA = 50 ,000 = 14,3 75 Ib o = 28, 750 psi Resin C oA = 50 ,000 = 13,1 25 Ib o = 26, 250 psi Average values of modulus of elasticity of ... psi EZ2 = 2.6 x IO6 psi G vi2 = 0. 25 = 1. 25 x IO6 psi (2 -56 ) X = 150 ksi X' = 150 ksi Y = 4 ksi Y = 20 ksi 5 = 8 ksi The maximum stress th...

Ngày tải lên: 12/08/2014, 01:22

... significance of a particular need must also be considered. 1.2 Artificial Intelligence in Design 25 Fig. 1.2 Layout of part of the OOP simulation model 1.2.2 Artificial Intelligence in Engineering Design Implementation ... each group’s expert system (i.e. col- laborative design) . Such a design process allows various groups of design engineers to work on parts of a design problem i...

Ngày tải lên: 02/07/2014, 10:20

... 10.0 10.0 10.0 10.0 10.0 31 05- O 31 05- H12 31 05- H14 31 05- H16 31 05- H18 31 05- H 25 17 22 25 28 31 26 8 19 22 25 28 23 24 7 5 4 3 8 12 14 15 16 17 15 10.0 10.0 10.0 10.0 10.0 10.0 4032-T6 55 46 . . 9 120 38 16 11.4 50 05- O 50 05- H12 50 05- H14 50 05- H16 50 05- H18 50 05- H32 50 05- H34 50 05- H36 50 05- H38 18 20 23 26 29 20 23...

Ngày tải lên: 10/08/2014, 19:20

... shaft mounting (f) the type of bearings (g) the transmission casing design and material in any particular transmission design. The transmission unit consists of four main components or units: ... tribologist and the production engineer, the gear designer with experience should be capable of finding a solution to the majority of gear failures and producing the designs for transmiss...

Ngày tải lên: 11/08/2014, 13:22

... Table 1 .5 Comparing densities of different polyethylene thermoplastics TYV Density, g/cd (/b/fr3) LDPE 0.91 0-0.9 25 (56 .8 -57 .7) MDPE 0.926-0.940 (57 .8 -58 .7) HDPE 0.941 -0. 959 (58 .7 -59 .9) ... Polytetrafluoroethylene 116 130 1 75 21 5 260 260 400 330 240 266 347 41 9 50 0 50 0 755 626 The T, is dependent on the processing pressure and the time...

Ngày tải lên: 12/08/2014, 01:22

... Glass fiber 15, 2 ,50 0 0 .55 5 0.623 0.709 450 401 353 mineral 25 5,000 0.823 0.967 1.140 607 51 7 439 Polyester Glass fiber 15, 2 ,50 0 0. 452 0.470 0.482 55 3 53 2 51 9 (PBTJ mineral 25 5,000 0.693 ... 610 Nylon 6/10 Ferrite 83 2 ,50 0 0.463 0 .50 7 0 .56 8 54 0 493 440 5, 000 0.638 0.732 0. 952 784 683 52 5 Polypropylene Carbon powder 2 ,50 0 1.100 1.140 1.970 114 87 63...

Ngày tải lên: 12/08/2014, 01:22

... rod of the previous example, gives Resin B oA = 50 ,000 = 14,3 75 Ib o = 28, 750 psi Resin C oA = 50 ,000 = 13,1 25 Ib o = 26, 250 psi Average values of modulus of elasticity of ... The 2 - Design Optimization 137 resin. If the rod is stretched 0 .5% , the glass is stressed at an intensity of 3 45 MPa (50 ,000 psi) and the resin, if resin B, at 52 MPa ( 7...

Ngày tải lên: 12/08/2014, 01:22

... 0.047 0.06 25 0.078 0.083 0.1 25 0.18 75 1 .o 1 .5 1. 75 2.0 2. 25 2 .5 3.0 3. 25 128 85 64 51 43 32 21 192 128 96 77 64 48 32 224 149 112 90 75 56 37 256 171 128 102 85 64 43 288 ... stress in the lower-most roving fiber is 50 ,000 psi, the stress in the topmost fiber of the flange is 50 ,000 (3 x 106 /5) (0.3 95/ 1. 055 ) or 11, 250 psi....

Ngày tải lên: 12/08/2014, 01:22