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What Ram Speeds Do You Need?
Hydraulic presses are frequently offered with multiple ram speeds such as; Fast Approach, Pressing and Fast Retract. Typically, these speeds are expressed in Inches Per Minute (IPM).
Many customers with mechanical press experience refer to press speed in cycles per minute. Hydraulic presses can be designed to provide a certain number of cycles per minute once the cycle profile has been determined. The cycle profile consist of an accurate description of the physical aspects of the cycle, which include:
1. Distance of ram travel under no load (Fast Approach)
2. Distance of actual working stroke (Pressing)
3. Distance of Fast Retract (usually the combination of the previous two distances)
4. Any Dwell Time at the bottom of the stroke or while under pressure
Once these parameters have been established, the appropriate ram speeds can be developed in conjunction with the right cylinder configuration & power system in order to provide the necessary cycles per minute.
Variable ram speeds are also available through the use of flow controls, variable volume pump systems and SSD/VFD drives.
Ask your Beckwood Press Systems Engineer for more details.