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Hydraulic Press Draw Force Calculator

Two different draw force estimators are available…one for circular parts and one for rectangular parts. For circular parts, just enter a few parameters (material yield strength, thickness, draw and blank diameters) and, PRESTO, draw tonnage and total tonnage figures are calculated. For rectangular part jobs, enter a similar parameters (material yield strength and thickness, as well as corner radius and straight line lengths) and draw tonnage and total tonnage figures are given.

Calculator Description »Yield Strength Reference Table »

Input values in the boxes. Click here for yield strengths. Note: This provides an estimate of the tonnage necessary to draw form a circular part. Actual tonnage should be confirmed with the manufacturer of the die.

* Holding or cushion tonnage is estimated at 1/3 of draw tonnage. Actual tonnage will vary as required to achieve a quality part.