How deep can you draw metal to form a deep drawn can, shell, or cylinder? Professor Metal provides guidelines for deep draw depth, noting the limits for single draws and the importance of material selection.
ROUND SHELLS: Approximately 40% of the blank diameter can be drawn into one operation with one set of tools, i.e. 10" diameter blank can be drawn to 6" diameter in one operation. This will result in a height of 2 ¾". See chart below right.
SQUARE SHELLS: They can be drawn from a round blank using the same percentages as for round shells resulting in approximately the same heights.
RECTANGULAR SHELLS: A rectangular shell may be drawn to an approximate height of 86% of its width.
NOTE: The percentage above are approximate and will vary, depending on: type of metal, alloy radii’, blank thickness, quality of material etc.
Deep draw and hydroforming sales and support engineers are ready to answer your questions.
With 100 years and 4 generations of experience, Amalco offers design and engineering support for customers who need to manufacture deep drawn and hydroformed metal products and parts. Our team is ready to help you solve design challenges and answer your hydroforming process and deep drawing process questions. If you are new to metal forming and fabrication, Professor Metal is here help you get started.