3421 Forming Sheet , Tube, and Wire

Lecture Slides:
docs.google.com/presentation/...
Contents
0:00 Introduction
0:40 Shearing
6:36 Punching
13:13 Fineblanking
18:44 Drawing and Forming
25:49 Bending
29:18 Bend Allowance

[@brentlackey8316]

You get 4 sig figs after starting out with 2 or 3?