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| Low Pressure Air Operated Advance Stroke (Port "A"): |
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Air is introduced into the system's air/oil tank, and low pressure oil advances the ram until it contacts the work.
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Intensified Stroke (Port "B"):
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| The intensify piston advances (triggered by a timer, pressure switch, limit switch, etc.) and the intensify rod seals off the high pressure chamber. The force on the ram increases due to the pressure being multiplied by the ratio between the areas of the intensify piston, intensify rod, and ram. This intensified stroke may be produced anywhere on the overall stroke of the ram. The intensified stroke length will bottom out at the end of the available power stroke or wherever it is exceeded. |
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| Low Pressure Air Operated Return Stroke (Port "C"): |
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Air is introduced into the unit at the return port, and both the ram and intensifier piston return.
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