Rexroth hydraulic pump - the reason why the piston pump cannot be pressurized

1) Swash plate axial piston variable pump, used for open hydraulic rotation back 2) Mainly used in the field of mobile machinery 3) The pump works under the condition of self-priming, mailbox pressurization or with built-in suction pump, (centrifugal pump). 4) The output flow rate is proportional to the driving speed, and ...

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. Daily maintenance 1) Strictly implement the post operation method and carefully fill in the operation records. 2) Check the bearing temperature and oil pressure regularly; Check the level height of the lubricating oil every shift. 3) Check whether there is leakage in the sealing part once per shift. 4) Do a good job in each shift ...

1. The pump device, composed of a motor and an oil pump, is the power source of hydraulic pressure and the "heart", and its role is to convert mechanical energy into the power of the cylinder to realize the lifting of goods. 2. The combination valve is a flat valve installed on the vertical plate, and its function is to adjust the direction, pressure and flow rate of the hydraulic oil.

1. Guiding ideology: 1. The pressure depends on the load oil pump, and the output pressure is inversely proportional to the flow rate. In the state of electronic control, when the external load increases, the system pressure increases, when the system pressure increases, the pressure of the front pump oil flow and the rear pump oil flow into the rear pump increases, and the computer detects the ...

peculiarity 1. Rexroth solenoid valve, solenoid valve and all stainless steel; For highly corrosive media, the diaphragm type must be selected. Neutral medium, it is also advisable to choose a solenoid valve with copper alloy as the housing material, otherwise, rust chips often fall off in the valve housing, especially when the action is infrequent. Ammonia valves ...

Bosch Rexroth Co., Ltd. ("Bosch Rexroth") and Wuxi Weifu High-Tech Group Co., Ltd. ("Weifu Group"), located in Wuxi, Jiangsu Province, China, plan to cooperate to establish a joint venture that aims to combine the strengths of both companies and create a joint venture for ...

At a glance: 81% more widget space Fast positioning with the new navigation concept Efficient features like favorites, quick search, media management, and more The Bosch Rexroth ACTIVE Cockpit interactive software solution is suitable for a wide range of applications. ...

1) The pressure and speed can be adjusted infinitely, and the impact phenomenon of the constant on/off valve is avoided. 2) It can realize remote control and program control. 3) Compared with intermittent control, the system is simplified and the components are greatly reduced. 4) Compared with hydraulic proportional valves ...

1. Water will corrode the oil pump, so it is forbidden to use the oil pump to vacuum the substance containing water. 2. For substances containing a large amount of solvent, remove most of the solvent in the oven first, and then use an oil pump to vacuum. 3. Use the vacuum pump in the correct order to prevent suck-back. ...

Technical Parameters: 1) Select the valve port and model according to the requirements of the medium flow direction and the pipeline connection mode; 2) According to the flow rate and valve Kv value to select the nominal diameter, can also choose the same pipe inner diameter; 3) Working Differential Pressure: Low working differential pressure above 0.04Mpa is optional.

1) Piston pumps are generally used in the hydraulic transmission systems of machine tools, metallurgy, forging, mining and hoisting machinery, and are especially widely used in high-power hydraulic transmission systems. 2) REXROTH vane pumps are generally used in mining, coal, metallurgy, chemical industry, environmental protection and other industries. One...

Step 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. Step 2: Check the ...

Causes of failure: (1) The oil level of the hydraulic oil tank is too low; Exclusion method: Add hydraulic oil Causes of failure: (2) Hydraulic oil is not used according to the season; Exclusion method: Usually suitable for 46# hydraulic oil (or 68#) without special replacement, consider using 32 ...

1. In the mining and metallurgical industry, the pump is also the most used equipment. Mines need to be drained by pumps, and in the process of beneficiation, smelting and rolling, pumps are needed to supply water first. 2. In the power sector, nuclear power plants need nuclear main pumps, secondary pumps, tertiary pumps, thermal power plants need a large number of boilers ...

1. Large inclination components: all specifications have the same 40 degree inclination angle, high power, small size, high efficiency and economical structure. 2. Monolithic conical plunger with two sealing rings 3. The bearing structure is easy to install and maintain, and has a long service life. 4. Specially improved series of ...

Rexroth hydraulic pump is mainly divided into three types: piston pump, gear pump and vane pump, among which Rexroth vane pump is a special clamp clamping pump body and pump cover, and the outlet direction of the pump can be in any direction of 360 degrees, which is easy to install and use. The bearing assembly of the sand pump is made of cylindrical structure, ...

Rexroth piston pump failure manifests itself as follows. The causes and elimination methods of excessive working noise of piston pumps. There is air in the oil pump. This failure usually occurs when a new pump is installed. When opening a new pump, oil should be added to the pump first to lubricate the pump's bearings, plungers, and cylinders. ...

1) Flow regulation Port X is connected to the oil tank to relieve pressure, and port B is closed, and the pressure reaches the required pressure by rotating the adjusting screw on the FR of the flow control valve, and the general FR setting value is between 14 Bar and 22 Bar 2) Highest pressure regulation Close the flow control valve FR and block the B...

1. First of all, adjust the pressure adjustment screw of Rexroth variable hydraulic pump relief valve to the loosest state, adjust the minimum flow limiter to the minimum state (the upper hydraulic cylinder adjusting screw is adjusted to the loosest state), adjust the flow control valve adjusting screw to the tightest state, and connect a flow rate in series after the relief valve.