handbook of die design 2nd edition phần 1 ppsx

... 12 –20 .0 31 0.79 14 –24 .048 1. 22 16 –26 3 / 32 (.093) 2.38 .020 0. 51 12 .0 31 0.79 14 .048 1. 22 16 1 / 8 ( .12 5) 3 .18 .020 0. 51 11 .0 31 0.79 12 .048 1. 22 13 Note: Use with Fig. 1- 38. FIGURE 1- 38 Round ... 0.438 11 .1 0.280 7 .11 2 51 0.040 1 0.064 1. 6 0.25 6.35 1. 25 31. 8 0.547 13 .9 0.350 8.89 2.5 64 0.0 51 1.3 0.064 1. 6 0.30 7.62 1. 5 38 .1...

Ngày tải lên: 08/08/2014, 13:20

... return blanking as shown in Fig. 3 -14 . METAL STAMPING DIES AND THEIR FUNCTION 10 7 FIGURE 3 -11 Tandem die. FIGURE 3 -12 Gang die. Suchy_CH03.qxd 11 /08/05 10 :35 AM Page 10 7 Downloaded from Digital Engineering ... the wrong side. THE THEORY OF SHEET METAL BEHAVIOR 85 TABLE 2 -1 Shear Clearance Effects Shear clearance per side 5% 9% 12 .5% 18 % Rollover length 0. 013 6 0. 010...

Ngày tải lên: 08/08/2014, 13:20

... E8 F9–F8 H8 h9 D10–D9 E8 F9–F8 H9–H8 h 11 D 11 H 11 Opening Shaft H6 f6 g5 h5 j5 k5 m5 n5 H7 d8 e8 f7 g6 h6 j6 k6 m6 n6 H8 d10–d9 e9 f9–f8 h9–h7 j7 k7 m7 n7 H10 h10–h9 H 11 d 11 h 11 TABLE 4-4 Selected ... +20 +10 +40±IT/2 +5 to +10 610 +40 +25 +13 +50±IT/2 +5 to +12 10 18 +50 +32 +16 +60±IT/2 +6 to +15 18 30 +65 +40 +20 +70±IT/2 +8 to +20 30 50 +80 +50 +25 +90±IT/2 +10 to +24 Such...

Ngày tải lên: 08/08/2014, 13:20

... 26 3.0 31 31 3.5 43 43 4.0 56 56 4.5 71 71 5.0 88 88 5.5 10 6 10 6 6.0 12 6 12 6 6.5 15 0 15 0 7.0 18 0 18 0 7.5 215 215 8.0 255 255 9.0 345 345 10 .0 440 450 11 .0 545 650 12 .0 665 900 13 .0 790 11 50 14 .0 ... apply: (6-8d) S P h ba ba SB = + 3 1 222 / / h P S SB = − 15 . lim S P h SB = 15 2 . h P S d d SB ≥−       − 15 1 15 1 2 . . lim 258 CHAPTER SIX FI...

Ngày tải lên: 08/08/2014, 13:20

... 11 .19 11 . 51 11. 83 12 .26 12 .69 6.00 7.97 8.08 8.40 8.83 9.26 9.48 9.80 10 .12 10 .44 10 .76 11 .19 11 . 51 11. 84 12 .16 12 .48 12 . 91 13.34 7.00 9.27 9.37 9.70 10 .13 10 .55 10 .77 11 .09 11 . 41 11. 73 12 .06 12 .49 ... 9.90 10 .22 10 .54 10 .97 11 .40 5.00 6.68 6.79 7 .11 7.54 7.97 8 .18 8.50 8.83 9 .15 9.47 9.90 10 .22 10 .54 10 .87 11 .19 11 .62 12...

Ngày tải lên: 08/08/2014, 13:20

... CHAPTER NINE 10 0 90 80 63 71 56 50 45 40 Tensile strength, S in 1, 000 psi 1. 0 1. 06 1. 12 1. 18 1. 3 21. 25 1. 51. 4 1. 6 Strain factor, E 0 10 .7 19 .4 26.5 39.033.3 50.044.4 54.5 Reduction of diam, % Strain ... operation 0. 010 0.25 27 18 17 0. 015 0.38 32 20 19 0.0 21 0.53 35 21 20 0.024 0. 61 39 22 21 0.0 31 0.79 42 23 22 0.036 0. 91 44 26 24 0.042 1. 07 46 2...

Ngày tải lên: 08/08/2014, 13:20

... (0.030) 22 17 14 12 9.5 8 6 5 1. 0 (0.040) 22 18 15 .5 12 10 7.5 6 5 1. 3 (0.050) 22 19 14 .5 12 9 7 5.5 1. 5 (0.060) 25 22 17 14 10 8 6 5 1. 8 (0.070) 25 19 .5 16 11 9 6.5 5.5 2.0 (0.080) 22 18 12 .5 10 7.5 ... DIE MAINTENANCE 519 TABLE 11 -1 Average Coefficient of Thermal Expansion of Selected Materials, at 68– 212 °F (in/in per °F) Aluminum: 11 00 13 .2 2...

Ngày tải lên: 08/08/2014, 13:20

... AFNOR B.S. 10 10 1. 03 01 C10 AF34C10 045M10, 040A10 1. 112 1 Ck10 C10-2 XC10 14 49 10 CS 10 15 1. 04 01 C15 AF37C12, XC18 040A15, 080M15 1. 114 1 Ck15 C16-2 XC15 14 49 17 CS 10 20 1. 0402 C22 C25 -1 AF42C20, ... BT4 18 -05-04- 01 T5 1. 3265 S18 -1- 2 -10 BT5 T15 1. 3202 S12 -1- 4-5 BT15 W1 1. 1625 C75W, C80W2 BW1A, BW1B 1. 1750 W108 1. 1525 C80W1 Y1 90, Y1 80 W 110...

Ngày tải lên: 08/08/2014, 13:20

Ngày tải lên: 24/07/2014, 05:20

Ngày tải lên: 24/07/2014, 05:20