Page 41 - MetalForming November 2012

Fig. 3
H =5
H = 5
Step 2
S1
Step 1
S2
Tooling by Design
Feed
can be improved by altering the two bending sequences (Fig. 3). For this revised process:
Fh =100–90x(5–2)/(10–2)=66.25
To further increase the final evaluation score, the design- er pays attention to the primary factors assigned the highest weighting factors (1.0 is highest). The weighting factor pri- oritizes each primary factor in order of importance when compared to the others. For example, a primary factor assigned a weighting of 0.5 is half as important as one assigned a weighting factor of 1.0.
Let’s assume that two primary factors—moment bal- ancing and strip stability—have computed rankings of 80. The strip stability factor with a weighting factor of 1.0 will have a final ranking of 80 (80 x 1.0 = 80), while the moment balancing factor with a weighting of 0.5 is reduced to 40 (80 x 0.5 = 40). MF
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March 5 - 8, 2013 · Waikoloa, Hawaii