handbook of die design 2nd edition phần 4 pps

... 31 3.5 43 43 4. 0 56 56 4. 5 71 71 5.0 88 88 5.5 106 106 6.0 126 126 6.5 150 150 7.0 180 180 7.5 215 215 8.0 255 255 9.0 345 345 10.0 44 0 45 0 11.0 545 650 12.0 665 900 13.0 790 1150 14. 0 920 140 0 15.0 ... off-center force should be located in 1 / 4 of the width of the press (left-to-right), and in 1 / 4 of the depth (front-to-back). The force should be equal to 1 / 4...

Ngày tải lên: 08/08/2014, 13:20

... 1.75 44 .5 0.766 19 .4 0 .49 0 12 .45 3.5 89 0.0 64 1.6 0.0 64 1.6 0 .40 10.16 2 50.8 0.875 22.2 0.560 14. 22 4 102 0.0 64 1.6 0.0 64 1.6 0.60 15. 24 3 76.2 1.313 33.3 0. 840 21. 34 6 152 0.0 64 1.6 0.0 64 1.6 0.80 ... 20.32 4 101.6 1.750 44 .5 1.120 28 .45 8 203 0.0 64 1.6 0.0 64 1.6 1.00 25 .40 5 127.0 2.188 55.6 1 .40 0 35.56 10 2 54 0.0 64 1.6 0.0 64 1.6 1.20 30 .48 6...

Ngày tải lên: 08/08/2014, 13:20

... 42 CrMo4 38CD4 708A37 41 40 1.7225 42 CrMo4 42 CrMo4 42 CD4 708M40 41 40, 41 42 1.7223 41 CrMo4 41 CrMo4 42 CD4 TS 708M40 41 42 1.2332 42 CrMo4 42 CrMo4 42 CD4 1.7225 47 CrMo4 41 42, 41 40 1.7223 41 CrMo4 ... 1.7030 28Cr4 1.7033 34Cr4 32C4 530A30 5132 1.7037 34CrS4 34Cr4 32C4 530A32 5135 1.70 34 37Cr4 37Cr4 38C4 530H36 5 140 1.7035 41 Cr4 41 Cr4 42 C4 530M40, 530A40...

Ngày tải lên: 08/08/2014, 13:20

... Steel, steel, in. mm soft 1 / 2 hard 20 24- T 7075-T mild 41 30 302 0.010 0.25 3 4 4 4 4 4 4 0.031 0.78 4 4 4 4 4 4 4 0.062 1.57 4 4 4 4 4 4 6 0.078 1.98 4 4 4 4 4 6 6 0.093 2.36 4 4 6 6 6 6 6 0.125 ... © 20 04 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. Source: HANDBOOK OF DIE DESIGN 3...

Ngày tải lên: 08/08/2014, 13:20

... removed from the die- working area. Naturally, the part has to be blown off the face of the die with air, or be manually removed with tongs. 4- 2-7 Strippers Stripping of parts off the face of the tooling ... a form of draft, most often in the vicinity of 1.5 to 2° taper. 4- 2-2-1 Slug Removal. The three types of slug relief are as shown in Fig. 4- 14; a tapered and counterb...

Ngày tải lên: 08/08/2014, 13:20

... 0 .42 9 0 .44 3 0 .45 6 0 .46 9 0 .48 3 0 .49 7 0.2 34 0.309 0.316 0.329 0. 343 0.356 0.370 0.383 0.396 0 .41 0 0 .42 3 0 .43 7 0 .45 0 0 .46 4 0 .47 7 0 .49 0 0.503 0.517 0.250 0.330 0.337 0.350 0.363 0.377 0.390 0 .40 4 ... 3.91 4. 23 4. 56 4. 99 5.31 5.63 5.95 6.27 6.70 7.13 1 .40 2.03 2.13 2 .45 2.88 3.31 3.53 3.85 4. 17 4. 49 4. 81 5. 24 5.57 5.89 6.21 6.53 6.96 7.39 1.60 2.28 2....

Ngày tải lên: 08/08/2014, 13:20

... 35 21 20 0.0 24 0.61 39 22 21 0.031 0.79 42 23 22 0.036 0.91 44 26 24 0. 042 1.07 46 28 25 0. 046 1.17 47 28 25 0.0 54 1.37 47 29 26 0.062–0.1 24 1.57–3.15 48 30 27 0.125–0.250 3.18–6.35 47 28 26 Suchy_CH09.qxd ... log 3 84 CHAPTER NINE 100 90 80 63 71 56 50 45 40 Tensile strength, S in 1,000 psi 1.0 1.06 1.12 1.18 1.321.25 1.51 .4 1.6 Strain factor, E 0 10.7 19 .4 26.5 39.03...

Ngày tải lên: 08/08/2014, 13:20

... estimated, referring to Fig. 12-11. K C W 2 1 05 =+ . K C CC W1 41 44 0 615 = − − + . S PD d K PD d K WW == 8 2 546 33 π . MPR PD == 2 J d = π 4 32 544 CHAPTER TWELVE TABLE 12-7 Maximum Allowable Torsional ... and show where the design could be improved on. 11-5-1 Folding and Unfolding Software, Blank Development Forming of parts can often be a great dilemma to die designers and...

Ngày tải lên: 08/08/2014, 13:20

Ngày tải lên: 24/07/2014, 05:20

... understood. Because of this, assessment of potential immunotoxic effects of drugs, chemicals, and other agents is not a simple task. Often, measurement of a variety of components of the immune system ... and expression of antibodies to self-tissue, including nuclear macromolecules. Studies of drug-related autoimmunity in humans have provided some of the best examples of th...

Ngày tải lên: 09/08/2014, 16:20