Introduction to the classification of Rexroth relief valves

Rexroth solenoid valves are composed of solenoid coils and magnetic cores, and are valve bodies containing one or several holes. When the coil is energized or de-energized, the operation of the core will cause the fluid to pass through the valve body or be cut off to change the direction of the fluid. The solenoid parts of the solenoid valve are composed of a fixed core, a moving core...

Rexroth Pressure Reducing Valve Failure Analysis: 1. Air is mixed into the oil 2. The damping hole is sometimes clogged 3. The roundness of the hole between the slide valve and the valve body exceeds the regulations, so that the valve is stuck 4. The spring is deformed or stuck in the spool valve, making it difficult for the spool to move or the spring is too soft 5.

1. Close the gate valve before the pressure reducing valve, open the gate valve after the pressure reducing valve, and create a downstream low-pressure environment; 2. Rotate the adjusting screw counterclockwise to the upper position (relative to the low outlet pressure), and then close the gate valve after the pressure reducing valve; 3. Slowly open the gate valve in front of the pressure reducing valve ...

1: Disassemble the proportional valve Unscrew the nut and slide out of the coil to remove the coil from the proportional end. Use a wrench to loosen and remove the tube. Remove the spring and slide the hex wrench from the tube. Then remove the spool from the valve. 2: Check the fatigue of all individual parts of the proportional valve, grinding ...

Adjust the pressure adjustment screw of the relief valve to the loosest state. The variable displacement piston pump is an A10VSO constant pressure variable displacement pump with flow limiter. Rexroth A10VSO variable pump is actually based on the constant pressure variable pump with a flow limiter (represented by the suffix S0169) ...

There are 3 precautions when installing a hydraulic pump in the hydraulic system: 1. The coaxiality deviation between the hydraulic pump drive shaft and the motor drive shaft is less than that, and the flexible coupling joint is generally used, and the V-belt is not allowed to directly drive the pump shaft to rotate, and the pump shaft is subjected to excessive radial force, which affects the normal operation of the pump; 2 ...

1. What should I pay attention to when using a gear pump? (1) The oil suction height of the gear pump shall generally not be greater than 500mm. (2) The gear pump should be directly connected with the motor through the flexible coupling, generally not rigidly connected or connected with the power source through the gear pair and belt mechanism, so as to avoid unilateral force, ...

It's hard to imagine a factory automation system without linear robots. The application of linear robots involves handling incoming materials during product production, assembly or packaging, whether integrated into a single machine as a pick-and-place unit or integrated into a semi-automatic or fully automated production line. However...

The first step is the debugging of the zero position in the no-load state Most of the servo valves on construction machinery are used in conjunction with the reversing valve to achieve the purpose of controlling the hydraulic system. The servo valve plug-in can be unplugged on the site to prevent the servo valve from being energized and make it in a no-load state. Then, a manual or electric directional valve, ...

High efficiency: The efficiency of imported Rexroth hydraulic motor A2FE107/61W-VZL100 can reach more than 90%, which has a higher energy utilization rate than other hydraulic motors, and can significantly improve the work efficiency of mechanical equipment. High reliability: Rexroth hydraulic motors are made of high-strength ...

How Rexroth vane pumps work: 1. Single-acting vane pump The pump is composed of parts such as rotor 1, stator 2, blade 3, oil distribution pan and end cover. The inner surface of the stator is a cylindrical hole. There is eccentricity between the rotor and stator. The blades slide flexibly in the rotor slots ...

1. Direct-acting relief valve How it works: The hydraulic force and the spring force are directly balanced to control the opening and closing action of the valve core, so as to ensure that the pressure of the oil inlet is basically constant. Peculiarity: (1) The hydraulic pressure of the valve core is balanced by the spring force, so when the system pressure is very high...

(1) The pump does not produce oil First of all, check whether the rotation direction of the gear pump is correct; Secondly, check whether the filter at the inlet end of the gear pump is clogged. (2) The oil seal is flushed out (1) The gear pump bearing is subjected to axial force; (2) The gear pump is subjected to excessive radial force. ...

Rexroth oil pump is a hydraulic system that converts the mechanical energy of the prime mover (motor, internal combustion engine, etc.) into liquid pressure energy. 　　Rexroth oil pumps can be divided into two types: positive displacement and non-volumetric type. The non-volumetric type has centrifugal pumps, axial flow pumps, etc., and uses high-speed rotating impellers to produce true ...

1. Adjust the displacement of the pump: The larger the displacement of the hydraulic piston pump, the greater the flow and pressure. The displacement can be adjusted by replacing the displacement of the pump or adjusting the eccentricity distance of the pump. 2. Adjust the valves in the hydraulic system: The valves in the hydraulic system can control the flow and pressure.

1. The filter on the suction pipeline is blocked; 2. The oil level of the hydraulic oil tank is too low; 3. The R angle of the variable mechanism is too small, so that the flow rate is too small, and the influence of internal leakage is added, so it cannot continuously supply pressure oil to the outside world; 4. The strain between the oil distribution pan and the contact surface of the cylinder block is serious, and it is not sealed or ...

1. There are two oil inlets and one oil return port for the pressure reducing valve and one-way pressure reduction connected by threads and flanges, and one oil inlet and one oil return port for one-way pressure reduction and one-way pressure reduction connected by plate connection. During installation, attention must be paid to connect the oil drain port directly back to the Rexroth hydraulic pump oil tank, and keep the oil drain circuit unblocked.

The working principle of Rexroth vane pump PV7 series: Rexroth vane pump PV7 series is a pump in which the blades in the rotor groove are in contact with the pump casing (stator ring) to press the suction liquid from the oil inlet side to the oil discharge side. Because there are two kinds of vane pumps in history, according to the different types of pumps, a) specifically refers to the positive displacement pump ...

Debugging considerations exhaust All PV7 vane pumps are self-priming. Prior to commissioning, the pump must be emptied to prevent damage to the internal components. When commissioning, it is advisable to fill the housing through a leak port. Pay attention to the filter accuracy class! This will improve the operation ...

1. Remove the mold and cancel the express and trivial mold operation 2. Cancel the low-pressure trivia mold. 3. Close the safety door. 4. Adjust the CNC high-speed mold speed to the value of 0, and adjust the CNC high-speed mold opening speed and CNC low-speed mold opening speed to the value of 40. 5. Starter oil ...