Dayton Die Cushions
6330 Industrial Dr, Eden Prairie Mn 55346, USA
dayton@daytondiecushions.com
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>>Products >>Learn about die cushions >>Topics >>Press Tonnage

Depending on the type of the press, their rated tonnage is calculated differently:
Hydraulic Presses usually have 2 or 3 tonnages related to the ram velocity. The tonnage is true throughout the pressing portion of the stroke.
Mechanical Presses are usually rated for their tonnage one half inch off the bottom of the stroke. Above this half inch, the tonnage diminishes quite rapidly.
Link Drive Presses are an exception. More of their tonnage is available higher up in the stroke.

 
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Additional Information
Tonnage for Drawing Shells
Die Cushion Tonnage