Hydraulic cylinder and system with pressure intensification

A hydraulic pressure cylinder system, comprising:

• a pressure cylinder including a working cylinder and an intensification cylinder divided by a separator block, a working piston arranged in the working cylinder and connected to a working rod extending to an end portion, the working piston separating the working cylinder into an advance working chamber and a retract working chamber, an intensification piston and an intensification rod arranged in the intensification cylinder, the intensification piston separating the intensification cylinder into an advance intensification chamber and a retract intensification chamber;
• a pump configured to provide a pressurized hydraulic fluid to the pressure cylinder;
• a fluid reservoir configured to supply a hydraulic fluid to the pump;
• a first valve configured to selectively regulate hydraulic fluid flow between the pressure cylinder and the fluid reservoir and the pump;
• a second valve configured to selectively regulate fluid flow between the first valve and the advance intensification chamber;
• and
• a controller in communication with the first valve and the second valve, the controller configured to coordinate movement of the working piston and the intensification piston between a rest state, an advancing state, an advanced state, an intensified state, and a retracted state, wherein the advanced state is configured to engage the end portion with a workpiece, and the intensified state is configured to perform an operation on the workpiece with the end portion;
• and
• an equalization circuit fluidly connecting an intensification passage to the retract passage, the equalization circuit including a check valve configured to block fluid flow from the retract passage to the intensification passage but permit fluid flow from the intensification passage to the retract passage via a flow metering orifice.

A hydraulic pressure cylinder system, comprising:

• a pressure cylinder including a working cylinder and an intensification cylinder divided by a separator block, a working piston arranged in the working cylinder and connected to a working rod extending to an end portion, the working piston separating the working cylinder into an advance working chamber and a retract working chamber, an intensification piston and an intensification rod arranged in the intensification cylinder, the intensification piston separating the intensification cylinder into an advance intensification chamber and a retract intensification chamber;
• a pump configured to provide a pressurized hydraulic fluid to the pressure cylinder;
• a fluid reservoir configured to supply a hydraulic fluid to the pump;
• a first valve configured to selectively regulate hydraulic fluid flow the pump and the advance working chamber and the retract working chamber;
• an air source configured to provide pressurized air;
• a second valve fluidly connected to the second valve by another valve, the other valve configured to selectively provide the pressurized air to the second valve, wherein the second valve is configured to selectively regulate an airflow between the air source and the advance intensification chamber and the retract intensification chamber;
• and
• a controller in communication with the first valve and the second valve, the controller configured to coordinate movement of the working piston and the intensification piston between a rest state, an advancing state, an advanced state, an intensified state, and a retracted state, wherein the advanced state is configured to engage the end portion with a workpiece, and the intensified state is configured to perform an operation on the workpiece with the end portion.