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HYDRAULIC PRESSES

Main Cylinder:

Main cylinder is the most important part of a hydraulic press. Cylinder develops pushing or pulling force required to carry out desired operation, using pressurized hydraulic fluid.

Blank Holding Cylinder

Blank holding cylinders are used in those hydraulic presses in which raw material which is to be pressed must be held firmly in position, at the time of pressing operation by main cylinder. For example, in deep drawing press , blank is held by block holding cylinder at the time of deep Drawing operation.

Ejector Cylinder

These hydraulic cylinders are usually mounted below the bottom platen, and used to eject component which are already pressed by main cylinder, and requires some force to get removed from die in which they get pressed. For example pressed component stuck in die after cold forming ejected by ejector cylinder.

Top Platen

Top platen is a steel fabricated or steel cast structure located upper side of a vertical press, and withstand compressive and bending load developed by hydraulic cylinder.

Bottom Platen

Bottom platen is a steel fabricated or steel cast structure located lower side of a vertical hydraulic press, and withstand compressive and bending load developed by hydraulic cylinder. It is also used as a press-table in down-stroke presses.


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