Most students do.One reason: homework problems are solved at a leisurely rate while tests require rapid problem solving. After joining, these will be subjected to deep drawing or stamping. The blank shape also affects the consistency of the trim line tolerance. The net shape of the part is already established. Consider providing starter content that will allow users to explore your app right away. For a desired structure, a metal sheet with varying thickness is desirable. It not only saves material but also increases design flexibility. Although somewhat conservative for some materials and excessive for others, a good rule of thumb is to use a blank no larger than two times the punch diameter. Considerable time is spent in refining these, shifting some around, deleting others. Use the textbook structure to your advantage!Question and study.
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