DFMA as Applied to the Swingline 747 Desktop ... - University of Utah

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NOTE: The best and the worst materials obtained after running the DFMA analysis for all the parts are represented by bold characters in the Tables. Part 1. Rubber Base. No analysis was run. It could be recommended that the rubber base be eliminated and instead have two foot pads at each one of the ends. This would in turn save money which otherwise would be needed for the molding of rubber base. This also reduces assembly time. Fig A -1 Base Fig A-2 Alternate The figures seen above are the two different designs discussed previously. Part 2: Release Clip: The release clip is made of aluminum alloy. Analysis Run for Strongest Beam and Max Performance, Their Respective Index Values: Gray cast iron 21 Ductile iron 43 Malleable iron 30 Mild steel 16 Alloy steel 100 Stainless steel 13 Aluminum alloy 0 Beryllium copper 88 APPENDIX A 34
Copper, hard 24 Analysis Run for Strongest Beam and Minimum Weight, Their Respective Index Values: Gray cast iron 20 Ductile iron 44 Malleable iron 26 Mild steel 7 Alloy steel 93 Stainless steel 0 Aluminum alloy 100 Beryllium copper 76 Copper, hard 0 Analysis Run for Strongest Beam and Minimum Cost, Their Respective Index Values: Gray cast iron 100 Ductile iron 100 Malleable iron 92 Mild steel 68 Alloy steel 45 Stainless steel 44 Aluminum alloy 50 Beryllium copper 0 Copper, hard 43 Part 3: Lower Leaf Spring: The lower leaf spring is made of alloy steel. Analysis Run for Best Diaphragm Spring and Max Performance, Their Respective Index Values: Gray cast iron 23 Ductile iron 39 Malleable iron 26 Mild steel 0 Alloy steel 95 35
Page 1 and 2: DFMA as Applied to the Swingline ®
Page 3 and 4: Appendix A: Material Selection Anal
Page 5 and 6: 28. Base……..………………
Page 7 and 8: 1 Introduction DFMA as Applied to t
Page 9 and 10: 2. Release Clip Fig 2 Release Clip
Page 11 and 12: 7. Spacer Fig 10 Spacer DFMA as App
Page 13 and 14: 14. End Cap Fig 17 End Cap DFMA as
Page 15 and 16: σu σy σ Woods Metals DFMA as App
Page 19 and 20: 2.4a Sheet Metal Analyses DFMA as A
Page 21 and 22: Pp = 112 mm = 11.2 cm, Np = 2 DFMA
Page 23 and 24: Where Cid = 2565 + 2720 + 3390 + 25
Page 25 and 26: Scrap percent: Plan area = 71.3 cm
Page 27 and 28: = 35.233 DFMA as Applied to the Swi
Page 29 and 30: Fbendung = 1.92 KN DFMA as Applied
Page 31 and 32: 2.5 Assembly Paradigms DFMA as Appl
Page 35: 2.5g Assembly Layout DFMA as Applie
Page 42 and 43: Stainless steel 0 Aluminum alloy 24
Page 44 and 45: Analysis Run for Strongest Beam and
Page 46 and 47: Alloy steel 54 Stainless steel 30 A
Page 48 and 49: Malleable iron 26 Mild steel 7 Allo
Page 56 and 57: Step 2 The 2 nd step as seen in the
Page 58: 1. www.swingline.com References 2.

DFMA as Applied to the Swingline 747 Desktop ... - University of Utah

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