This technical information has been contributed by
Dayton Rogers

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How to Design Metal Stampings
Things We've Learned From Years Making Metal Stampings

16. Specification and Characteristics of Drawn Parts

The specification should show the form of the part, state the material, and specify dimensions and condition of symmetry.

Metal Stamping Specification and Characteristics of Drawn Parts

D1 = Inside diameter at a plane of intersection
D2 = Outside diameter at a plane of intersection
D3 = Flange diameter at a plane of intersection
H = Depth of draw
L = Linear dimension
R1 = Punch radius
R2 = Die radius
R3 = Corner radius
S = 'Earing' due to directional property of material
T = Material thickness

This technical information has been contributed by
Dayton Rogers

Click on Company Name for a Detailed Profile

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