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For the system shown (for the extension strokes of the cylinders), what pump pressure is required if the cylinder loads are 12000 lb each and cylinder 1 has a piston diameter of 6in?

For the system shown (for the extension strokes of the cylinders), what pump pressure is required if the cylinder loads are 12000 lb each and cylinder 1 has a piston diameter of 6in?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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For the system shown (for the extension strokes of the cylinders), what pump pressure is required if the cylinder loads are 12000 lb each and cylinder 1 has a piston diameter of 6in?

 

### Hydraulic Circuit with Dual Cylinders #### Diagram Analysis The provided diagram illustrates a hydraulic circuit comprising a hydraulic pump, two cylinders, and associated control mechanisms. It represents an example of a basic system used to power and control two hydraulic cylinders, labeled Cylinder 1 and Cylinder 2. Below is a detailed explanation of each component and its role in the circuit: 1. **Hydraulic Pump (Motor Driven)**: - Depicted on the left side of the diagram, the hydraulic pump converts mechanical energy into hydraulic energy. It generates the flow of hydraulic fluid necessary to power the cylinders. 2. **Pressure Relief Valve (Symbol)**: - Positioned downstream of the pump, this valve ensures that the system pressure does not exceed a predetermined safe level, thus protecting the hydraulic components from damage due to overpressure. 3. **Directional Control Valve**: - Situated centrally and connected to the pump and cylinders, this valve regulates the flow direction of the hydraulic fluid. It determines which cylinder will be actuated by directing the hydraulic fluid accordingly. 4. **Cylinders (Cylinder 1 and Cylinder 2)**: - Each cylinder is represented by a rectangular box with a piston inside. The pistons receive hydraulic fluid pressure and convert it into mechanical force. - *Cylinder 1*: - The pressure applied (p1) and the areas (A01 for the piston side and AR1 for the rod side) are labeled. The force generated is denoted as F1. - *Cylinder 2*: - Similarly, this cylinder has pressure (p2) and areas (A02 for the piston side and AR2 for the rod side) labeled, with the force generated noted as F2. 5. **Flow Control Valve**: - Located before the directional control valve, this component adjusts the flow rate of the hydraulic fluid, controlling the speed of the cylinder’s movement. #### Functional Description In operation: 1. **Pumping Action**: - The hydraulic pump delivers fluid under pressure to the circuit. 2. **Pressure Regulation**: - The pressure relief valve ensures system safety by maintaining the pressure within limits. 3. **Directional Control**: - The directional control valve directs the pressurized fluid toward either Cylinder 1 or Cylinder 2 based on its position. 4. **Cylinder Actuation**: - When fluid flows into a cylinder, it exerts pressure on the piston, causing it to extend
Transcribed Image Text:### Hydraulic Circuit with Dual Cylinders #### Diagram Analysis The provided diagram illustrates a hydraulic circuit comprising a hydraulic pump, two cylinders, and associated control mechanisms. It represents an example of a basic system used to power and control two hydraulic cylinders, labeled Cylinder 1 and Cylinder 2. Below is a detailed explanation of each component and its role in the circuit: 1. **Hydraulic Pump (Motor Driven)**: - Depicted on the left side of the diagram, the hydraulic pump converts mechanical energy into hydraulic energy. It generates the flow of hydraulic fluid necessary to power the cylinders. 2. **Pressure Relief Valve (Symbol)**: - Positioned downstream of the pump, this valve ensures that the system pressure does not exceed a predetermined safe level, thus protecting the hydraulic components from damage due to overpressure. 3. **Directional Control Valve**: - Situated centrally and connected to the pump and cylinders, this valve regulates the flow direction of the hydraulic fluid. It determines which cylinder will be actuated by directing the hydraulic fluid accordingly. 4. **Cylinders (Cylinder 1 and Cylinder 2)**: - Each cylinder is represented by a rectangular box with a piston inside. The pistons receive hydraulic fluid pressure and convert it into mechanical force. - *Cylinder 1*: - The pressure applied (p1) and the areas (A01 for the piston side and AR1 for the rod side) are labeled. The force generated is denoted as F1. - *Cylinder 2*: - Similarly, this cylinder has pressure (p2) and areas (A02 for the piston side and AR2 for the rod side) labeled, with the force generated noted as F2. 5. **Flow Control Valve**: - Located before the directional control valve, this component adjusts the flow rate of the hydraulic fluid, controlling the speed of the cylinder’s movement. #### Functional Description In operation: 1. **Pumping Action**: - The hydraulic pump delivers fluid under pressure to the circuit. 2. **Pressure Regulation**: - The pressure relief valve ensures system safety by maintaining the pressure within limits. 3. **Directional Control**: - The directional control valve directs the pressurized fluid toward either Cylinder 1 or Cylinder 2 based on its position. 4. **Cylinder Actuation**: - When fluid flows into a cylinder, it exerts pressure on the piston, causing it to extend
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