handbook of die design 2nd edition phần 10 pps

... DIN NBN AFNOR B.S. 101 0 1.0301 C10 AF34C10 045M10, 040A10 1.1121 Ck10 C10-2 XC10 1449 10CS 101 5 1.0401 C15 AF37C12, XC18 040A15, 080M15 1.1141 Ck15 C16-2 XC15 1449 17CS 102 0 1.0402 C22 C25-1 ... 060A62 107 0 1.1231 Ck67 XC68 060A67 107 8, 108 0 1.1248 Ck75 XC75 060A78 108 6 1.1269 Ck85 XC90 109 5 1.1274 Ck101 XC100 060A96 1108 1.0721 10S20 10F1 (210M15) 1139 1651-70 35S20 38C4...

Ngày tải lên: 08/08/2014, 13:20

... mm. % of deformation 100 1 2 1 =−       R R BASIC DIE DESIGN AND DIE- WORK INFLUENCING FACTORS 33 FIGURE 1-36 Circumferential ribs in stampings. (From Frank W. Wilson, Die Design Handbook, ” ... is subject to the Terms of Use as given at the website. BASIC DIE DESIGN AND DIE- WORK INFLUENCING FACTORS 19 FIGURE 1-24 Samples of bend reliefs. Suchy_CH01.qxd 11/08/05 1...

Ngày tải lên: 08/08/2014, 13:20

... component of the die because of additional press force needed for its operation, stand-alone scrap cutters should be utilized. Often, just better planning of the die layout can take care of scrap ... the actual area of the cut must be obtained by using the for- mula below: (6-17) where Aa = area of the cut, angular t = thickness of material tana = angle of the sheared surf...

Ngày tải lên: 08/08/2014, 13:20

... the Terms of Use as given at the website. THE THEORY OF SHEET METAL BEHAVIOR METAL STAMPING DIES AND THEIR FUNCTION 3-1 DESCRIPTION OF A DIE A die set is the fundamental portion of every die. It ... to the Terms of Use as given at the website. Source: HANDBOOK OF DIE DESIGN 3-1-2 Die Set Selection Guidelines Die sets are manufactured in three accuracy groups: 1. Com...

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 ... called the die life” (or “land”), and it is the amount of the die height which can be used up for sub- sequent sharpenings. The height of the die life depends on the nu...

Ngày tải lên: 08/08/2014, 13:20

... 9.90 10. 22 10. 54 10. 87 11.19 11.62 12.05 5.50 7.33 7.43 7.76 8.19 8.61 8.83 9.15 9.47 9.79 10. 12 10. 55 10. 87 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 ... 317 FIGURE 7-38 Offset bracket, top view of the formed part. Edges of the middle shelf are hidden under the four upper mounting corners. (Die design by George Kaminski...

Ngày tải lên: 08/08/2014, 13:20

... 363 TABLE 8 -10 Ultimate Tensile Strength of Materials Tons/In. 2 MPa [N/mm 2 ] Steel, low carbon, 102 5 30–51.5 410 710 Steel, medium carbon, 104 5 40–91 550–1,250 Steel, high carbon, 109 5 45 106 .5 620–1,470 Steel, ... any shape is given by the length of its profile, multiplied by the length of travel of its center of gravity. 9-4-1-1 First Method of Blank Calculation. Len...

Ngày tải lên: 08/08/2014, 13:20

... 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 diemakers. There are just ... number of stations needed in the die. The software can be further utilized for the design and analy- sis of tooling, and may already then, in the design stage, alert the user to...

Ngày tải lên: 08/08/2014, 13:20

Ngày tải lên: 24/07/2014, 05:20

Ngày tải lên: 24/07/2014, 05:20