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Rexroth hydraulic pumps – how to use, repair and assemble gear pumps
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, ...
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Rexroth Hydraulic Pumps – Routine maintenance and troubleshooting of gear pumps
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 ...
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How does a Rexroth proportional valve work?
With the continuous progress of technology and the needs of market applications, the emergence of proportional valve is a more intelligent valve, which provides convenience for technicians, but also reduces the tedious work tasks, the most important structural unit of proportional valve is the proportional signal control system, which is based on the specific ring ...
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Rexroth supports Akcurate & CIMT from dental implant products to body parts
How can you transform a high-speed milling machine for dental products into a high-performance automatic machining system for the automotive industry? The Göttingen-based mechanical engineering company Akcurate & CIMT took up the challenge and solved it with a complete solution from Bosch Rexroth.
Dental implant ...
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Rexroth proportional valve fault repair
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 ...
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Precautions for Rexroth pressure reducing valves
1. For easy operation and maintenance, the valve is generally installed upright on the horizontal pipeline.
2. The installation of the pressure reducing valve must be in strict accordance with the direction of the arrow on the valve body and keep it consistent with the direction of fluid flow. If the water quality is not clean and contains some impurities, it must be installed at the upstream inlet of the pressure reducing valve ...
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Rexroth variable hydraulic pump pressure flow adjustment steps
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.
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Precautions for the use of Rexroth hydraulic pump hydraulic oil
(1) Make sure that the hydraulic oil of Rexroth hydraulic pump is clean and prevent debris from entering the oil. Clean the tank thoroughly when changing the oil and filter it when refueling.
(2) Do not paint the inner wall of the oil tank to prevent precipitation in the oil.
(3) In order to prevent air from entering the hydraulic system, the oil return nozzle should be lower than the tank fluid.
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Features and working principle of Rexroth solenoid valves
First, the characteristics of the solenoid valve:
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 copper alloy as the solenoid valve housing material, otherwise, there are often rust chips falling off in the valve housing, especially the action is infrequent ...
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The Bosch Rexroth Smart Flex Effector has been awarded the 2023 Hermes Award
With the combination of sensor systems and six degrees of freedom independent kinematics, the Bosch Rexroth Smart Flex Effector compensation module gives industrial robots a human-like sense of touch, providing automation for processes that were difficult to handle or had to be performed manually in the past.
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Rexroth Hydraulic Pumps - What are the hazards of hydraulic pumps entering the air?
First, the rigidity of the hydraulic oil decreases sharply, resulting in the slower response of the hydraulic system and the reduction of efficiency, resulting in crawling and vibration of the actuator.
Second, air bubbles will cause oil film to be unable to form between moving parts, resulting in poor lubrication and aggravating the wear of hydraulic components.
The third is in the air ...
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Rexroth Balancing Valve Installation Instructions
1) Remove the protective covers on both sides of the flange end, and rinse and clean the valve when the valve is fully open.
2) Before the installation of the balance valve with actuator, the whole machine should be tested according to the specified signal (electricity or gas) (to prevent the vibration caused by transportation from affecting the performance).
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Rexroth inverter common faults and solutions
Power outage handling
If the power supply is instantaneously blacked out or the voltage drops to show "undervoltage", or the instantaneous overvoltage shows "overvoltage", it will cause the Rexroth inverter to trip and shut down, and it will be restarted only after the power supply returns to normal.
External fault handling
If you enter ...
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Rexroth hydraulic pump pressure reducing valve correct installation method and installation requirements
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.
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What should be paid attention to in the maintenance of Rexroth oil pump?
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. ...
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Types and characteristics of Rexroth gear pumps
Classification and structural characteristics of Rexroth gear pumps
According to the form of gear meshing, it can be divided into external meshing and internal meshing.
According to the different tooth curves, it can be divided into: involute and cycloid.
According to the surface form, it can be divided into spur gear type, helical gear type, herringbone gear ...
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Rexroth hydraulic pump - common faults and solutions of hydraulic pumps
1. The hydraulic oil pump cannot absorb oil or have no pressure.
Causes
1. The rotation direction of the prime mover and the oil pump is inconsistent.
Cleaning method: correct the rotation direction of the prime mover.
2. The oil pump transmission key falls off.
Elimination: De novo transmission key.
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Rexroth inverter fault handling and maintenance methods
Minor and heavy faults of Rexroth inverters:
1. Minor faults include: inverter over-temperature alarm, cabinet over-temperature alarm, cabinet door opening, unit bypass, etc. The system does not remember the fault of the light, only the fault indication, and the alarm will be automatically eliminated after the fault disappears. During the operation of the inverter, if ...
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Rexroth and Magsmart jointly develop a solution for efficient hydrogen compression
Efficient hydrogen compression can halve the total cost of ownership for operators
More economical delivery helps to reduce the price of hydrogen refueling
Automatic seal replacement for easier maintenance
The container-based hydrogen compressor MAX Compression 2.0 is equipped with a digital hydraulic system from Bosch Rexroth ...
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Features of Rexroth gear pumps:
1. Constant displacement,
2. Low working noise
3. Low flow pulsation
4. Due to the sealing gap compensation, it has high efficiency even at low speed and low viscosity oil
5. It is suitable for a wide range of viscosity and speed
6. All model specifications and displacement gauges ...
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