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[...]... 25 38 51 64 76 89 102 152 203 254 305 mm 0.0 16 0.025 0.032 0.040 0.051 0. 064 0. 064 0. 064 0. 064 0. 064 0. 064 0. 064 in T* 0.4 0 .6 0.8 1 1.3 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 mm 98 .6 0.8 1.0 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 1 .6 mm 63 .5¶ 44.7¶ 32.0¶ 3.88¶ 0.032 0.040 0. 064 0. 064 0. 064 0. 064 0. 064 0. 064 0. 064 0. 064 0. 064 0. 064 in T† 2.50¶ 1. 76 1. 26 10:28 AM 1.33 1.90 1.75 2.50 3.50 3.08 4.40 3.92 5 .60 0.25... 55 .6 66. 7 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 0.250 6. 35 6. 35 6. 35 6. 35 6. 35 6. 35 6. 35 6. 35 6. 35 1.78 3. 56 5.33 7.11 8.89 10 .67 12.45 14.22 21.34 28.45 35. 56 42 .67 Titanium 0.070 0.140 0.210 0.280 0.350 0.420 0.490 0. 560 0.840 1.120 1.400 1 .68 0 1.12 1.12 1.5 1.5 2.0 2.52 3.52 3.0 3.0 0.5 1 1.5 2 2.5 3 3.5 4 6 8 10 12 Low-carbon Steel, Aluminum, Magnesium mm R2 R3 28 28 38 38 51 64 89 76 76. .. 0.35 0.40 0 .60 0.80 1.00 1.20 0.38‡ 0.38 0.50‡ 0.50 0.70 0.88‡ 0.88 1.12‡ 1.12 33.8 48.3 44.5 63 .5 88.9 78.2 111.8 99 .6 142.2 6. 4 12.7 19.1 25.4 31.8 38.1 44.5 50.8 76. 2 101 .6 127.0 152.4 mm 0. 46 0.94 0.72 1. 56 2.32 1. 46 3.00 2.00 3.82 0.109 0.219 0.328 0.438 0.547 0 .65 6 0. 766 0.875 1.313 1.750 2.188 2 .62 5 in R1 in mm in 11.7 23.9 18.3 39 .6 58.9 37.1 76. 2 50.8 97.0 2.8 5 .6 8.3 11.1 13.9 16. 7 19.4 22.2... INFLUENCING FACTORS TABLE 1-1 Corner Bead Design Data In inches: H M (ref) Spacing between beads 3/ 16 17/ 64 21/ 64 1/ 8 13/ 64 17/ 64 23/ 32 15/32 11/2 21/2 3 31/2 4.8 6. 7 8.3 3.2 5.2 6. 7 18.3 29.4 38.1 63 .5 76. 2 88.9 Size L Type R1 R2 R3 1/ 2 3/ 4 11/4 1 1 2 1/ 4 5/ 16 11/ 32 23/ 64 41/ 64 55/ 64 6. 4 7.9 8.7 9.1 16. 3 21.8 In millimeters: 12.7 19.1 31.8 1 1 2 Note: The chart refers to Fig 1-34 Source: Reprinted... Further in titanium alloy RE-T-41 and in cold only RE-T-32 In the latter case, the radius R2 should be 0.312 in [8.00 mm] for alloy of 0. 063 in [1 .60 mm] thickness Source: Reprinted with permission from “Product Engineering Magazine.” 0.25 2.54 3.81 5.08 6. 35 7 .62 8.89 10. 16 15.24 20.32 25.40 30.48 in a TABLE 1-2 Bead Design Data Suchy_CH01.qxd Page 32 BASIC DIE DESIGN AND DIE-WORK INFLUENCING FACTORS 32... flange TABLE 1-3 Design Data For Round Beads or Bosses Height, h Material thickness mm in mm Suggested ratio, H/h (. 062 ) 1.59 3/ (.093) 32 2.38 1/ (.125) 8 3.18 020 031 048 020 031 048 020 031 048 0.51 0.79 1.22 0.51 0.79 1.22 0.51 0.79 1.22 12–20 14–24 16 26 12 14 16 11 12 13 in 1/ 16 Note: Use with Fig 1-38 Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)... portion of material that would have been severely damaged by the bending operation In Fig 1- 26, some additional types of bend reliefs are shown The most common style (Fig 1-26b) is widely prevalent throughout the sheet-metal industry However, even bending techniques such as those marked “incorrect” in Fig 1-26c and 1-26d may sometimes be utilized in combination with an aggressively spring-backed pressure... beads and lock-type beads Mold-type bead allows for some material movement in the area between the bead itself and the punch; the lock-type bead takes away that possibility Shapes Shapes of beads or ribs can vary from application to application There are cornerstiffening ribs, reinforcing beads, and hole-reinforcing beads Figure 1-34 and 1-35 show an example of corner bead design Locked-in beads are those... standby, if applicable Cost of the press adjustments and trial runs Cost of the first piece inspection and the cost of further adjustments and approvals, if applicable Cost of the extra material and supplies, which must be purchased ahead of the time even if not immediately utilized Overhead, such as cost of electricity, heating, cooling, water, and fuel Cost of all subsequent billing and paperwork Combined... manufacturability of parts is dependent on much narrower range of influences The main areas of concern are 1 2 3 4 5 6 Grain direction of the material Openings, their shape and location Bends and other three-dimensional alterations to the flat part, their shape and location Outline of the part and its size Applicable tolerance ranges Surface finish, flatness, straightness, and burr allowance Downloaded from Digital . system, without the prior written permission of the publisher. 1 2 3 4 5 6 7 8 9 0 DOC/DOC 0 1 0 9 8 7 6 5 ISBN 0-07-1 462 71 -6 The sponsoring editor for this book was Larry S. Hager and the production. operator’s standby, if applicable 5. Cost of the press adjustments and trial runs 6. Cost of the first piece inspection and the cost of further adjustments and approvals, if applicable 7. Cost of. their shape and location 3. Bends and other three-dimensional alterations to the flat part, their shape and location 4. Outline of the part and its size 5. Applicable tolerance ranges 6. Surface