The drawing ratio is roughly calculated as, DR = Db/Dp . Db is the diameter of the blank and Dp is the diameter of the punch. For shapes that are noncircular the maximum diameter is sometimes used, or occasionally drawing ratio is calculated using surface areas.
Calculation of drawing ratio. • Suggested drawing ratio. – First drawing. ~2. – Second drawing. 1,2…1,25. – Third drawing. 1,15…1,18. – Further drawings. 1,1…1, ... |
You can use the Calculate Deep Drawing cost model to calculate the process times and costs for the deep drawing manufacturing process in metalworking. |
The Draw Ratio is the ratio the width of the part vs its height. If the width of a part you are Deep Drawing is equal to its height, the ratio will be 1:1. |
Calculates the required force to deep draw a piece of sheet metal based on the drawing ratio, thickness, and the tensile strength of the material. |
There are two methods namely draw ratio and draw reduction ratio (DRR) method to calculate how much percentage should be drawn in each draw to get required ... |
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