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Design of hydraulic system of medium frequency tube expandin

Design of hydraulic system of medium frequency tube expanding machine

Medium frequency pipe expanding machine is a kind of equipment commonly used in metal processing, which can effectively change the size and shape of metal pipes. In the medium frequency pipe expanding machine, the hydraulic system plays a crucial role, which is mainly responsible for controlling the movement of the machine and adjusting the pressure of the machine to ensure the processing quality and efficiency of the metal pipe. This paper will introduce the design of hydraulic system of medium frequency pipe expanding machine, including system structure, working principle, selection of key components and optimization of the system.

First, medium frequency tube expanding machine hydraulic system structure

The hydraulic system of medium frequency pipe expanding machine is mainly composed of hydraulic source, pressure regulator, hydraulic execution structure, control components, etc. The hydraulic source mainly includes hydraulic pump, motor, oil tank, etc. The pressure regulator mainly includes pressure switch, stability valve, oil and gas tank, etc. The hydraulic execution structure mainly includes cylinder, piston rod, piston and seal, etc. The control components mainly include handles, solenoid valves, hydraulic pipes, etc.

Second, the working principle of the hydraulic system of the medium frequency tube expanding machine

Medium frequency pipe expanding machine is a machine based on the hydraulic principle, its working principle is mainly through the hydraulic pump to extract the liquid (usually hydraulic oil) from the tank, and press it into the cylinder, so as to complete the power transmission and control of the machine. During the machining process, the operator adjusts the pressure and flow of the hydraulic system through the handle or other control equipment to control the movement of the machine and the processing quality. At the same time, the hydraulic system will automatically detect the change of the system pressure and automatically adjust to ensure the stability and smoothness of the system operation.

Three, medium frequency tube expanding machine hydraulic system key components selection

1. Hydraulic pump and motor

Hydraulic pump and motor are the core parts of the hydraulic system, and its selection should be determined according to the pressure, flow and power requirements of the machine. Under normal circumstances, the medium frequency pipe expanding machine needs to use high pressure and large flow hydraulic pump and motor to meet the requirements of efficient work and high load work of the machine.

2. Cylinders, piston rods, pistons and seals

Cylinder, piston rod, piston and seal components are the key parts in the hydraulic system, and the selection should be selected according to the load of the machine and the processing environment. Under normal circumstances, the medium frequency pipe expanding machine needs to use high-strength, wear-resistant, high-temperature materials to manufacture related parts, and should be selected according to the processing requirements of the machine and the use of the environment.

3. Hydraulic pipes and control components

Hydraulic pipes and control components are the connecting parts and control components in the hydraulic system, and their selection should be carried out according to the flow and pressure requirements of the machine. Under normal circumstances, the medium frequency pipe expanding machine needs to use high pressure, corrosion resistant hydraulic pipes and corresponding control elements to meet the requirements of efficient and precise control of the machine.

4. Optimization of hydraulic system of medium frequency tube expanding machine

The optimization of hydraulic system of medium frequency tube expanding machine can be considered from the following aspects:

1. Optimize the structure and selection of hydraulic source, select hydraulic pump and motor components with high efficiency, low noise and low energy consumption, and improve the efficiency and economy of the system.

2. Optimize the control components of the system, using advanced solenoid valves and controllers to achieve automatic and precise control, improve processing quality and production efficiency.

3. Optimize the selection and installation of hydraulic pipes and seals to avoid oil leakage and pressure relief in the system and ensure the stability and smoothness of the system.

In short, the rationality and optimization level of the design of the hydraulic system of the medium frequency pipe expanding machine has a crucial impact on the processing quality and production efficiency of the machine, which needs to be selected and optimized according to the specific machine requirements and processing environment.

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