Rexroth hydraulic pumps have a wide variety of applications and are available in all walks of life. In terms of pump performance, there are two types of pumps: giant pumps and micro pumps. Giant pumps can reach flow rates of hundreds of thousands of cubic meters per hour, while micro pumps can reach less than tens of milliliters per hour. From the perspective of pump pressure, it can range from normal pressure to more than 19.61 megapascals. From the point of view of the temperature of the transported liquid, it can be as low as -200 °C and as high as more than 800 °C. From the perspective of the types of liquids transported by pumps, it can be said that there are many types, including water, oil, acids and alkalis, suspensions, and liquid metals.
Applications of Rexroth hydraulic pumps in the chemical industry: In the production of the chemical and petroleum sectors, most raw materials, semi-finished products and finished products are liquids, and the transformation of raw materials into semi-finished and finished products requires a complex process. Pumps act as pressure flow rates in these processes to transport liquids and supply chemical reactions. In addition, pumps are used for temperature regulation in many devices.
Rexroth hydraulic pumps are widely used in agricultural production: rural areas in China need a large number of pumps every year. In agricultural production, pumps are the primary irrigation machinery. In general, agricultural pumps account for more than half of the total pump production.
Rexroth hydraulic pumps are used in the mining and metallurgical industry: mines need pumps for drainage, and pumps are needed for water supply in the process of beneficiation, training and rolling, and pumps are also the most used equipment in the mining and metallurgical industries.
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How to select Rexroth solenoid valve and its selection points
1. Select the solenoid valve according to the pipeline parameters: diameter specification (i.e., DN) and interface mode
1. Determine the diameter (DN) size according to the inner diameter size or flow requirements of the on-site pipeline.
2. Interface mode, generally DN50 to choose flange interface, DN50 can be freely selected according to user needs...
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Rexroth hydraulic pump - what are the precautions for the use of hydraulic pump?
1. The speed and pressure of the pump should not exceed the specified value, and long-term use should be avoided, otherwise the life of the hydraulic pump will be affected.
2. When the hydraulic pump is started, it should be jogged several times, and after the oil flow direction and sound are normal, it should run under low pressure for 5-10min, and then put into normal operation. ...
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Rexroth servo valve debugging method
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, ...
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Rexroth's magnetic levitation conveying technology breaks through the bottleneck of production efficiency
● Top performance, flexible and easy to use
● From components, modules to systems, zero threshold matching on demand
● More value-added services, users have no worries
Worry-free, flexible and easy to use (Image source: Bosch Rexroth China)
"Production efficiency" is an eternal topic in the manufacturing industry ...
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Rexroth hydraulic pumps - precautions for the use of hydraulic pumps
1. When the hydraulic pump is started, it should be jogged several times, and after the oil flow direction and sound are normal, it should run under low pressure for 5-10min, and then put into normal operation. Before the piston pump is started, the pump must be filled with clean working oil through the oil drain port on the casing.
2. The viscosity of the oil is affected by the temperature ...
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Rexroth linear drive technology focuses on the future
From long-lasting individual components to intelligent mechatronic components: Bosch Rexroth is pushing linear applications forward in a wide range of markets with a wide range of high-quality products. Our new product developments focus on reliability, cost-effectiveness and sustainability. For a long time, the market has been tending to ...
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What are the advantages of Rexroth hydraulic motors?
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 ...
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Rexroth oil lift piston pump parts repair method
1) If the cylinder body is inlaid with copper sleeve, it can be repaired by replacing the copper sleeve. First of all, trim the diameter of a set of plunger rods to a uniform size, and then polish the outer diameter with sandpaper of more than 1000#. There are three ways to install copper sleeves in the cylinder block: (a) Heating and hot charging of the cylinder block or low-temperature freezing and extrusion of the copper sleeve, interference ...
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Bosch Rexroth: a dual powerhouse in the field of copy cutting
For the field of profiling cutting, there is a growing demand to increase productivity and shorten set-up times and CNC interpolation time. The Bosch Rexroth MTX CNC system provides the perfect basis for machine builders and users to meet the growing challenges and at the same time comply with the requirements of the OPC UA standard for Industry 4.0 communication ...
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Rexroth hydraulic pump - the reason why the piston pump cannot be pressurized
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 ...
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Rexroth Vane Pump PV7-1X/10-20RE01MC0-10 Debugging Precautions
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 ...
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Features of Rexroth hydraulic pumps:
1) The flow rate of the pump is proportional to the speed and displacement of the pump, and the swing angle of the swash plate can be adjusted steplessly
2) Coaxial structure, which can form a combined pump
3) Position-constrained backhaul structure
4) Spherical distribution, the plunger is arranged obliquely around the main axis
5) Stepless ...
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Rexroth's leading motion control technology – with innovative packaging that makes it easy
The emergence of "ready-to-shelf cartons" has changed the situation by bringing retailers and consumers closer together with the new carton that combines fast shelf and display. After the goods are delivered to the supermarket, the staff only needs to open the closed boxes on all sides, and the cartons are "immediately" into pallets.
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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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A common series of Rexroth oil pumps
1. Rexroth hydraulic piston pump A10VsO series: A10VsO18, A10VsO28, A10VsO45, A10VsO71, A10VsO100, A10VsO140
2. Rexroth hydraulic piston pump A10VO series: A10VO28, A10VO45, A10VO71, A10VO100, A10VO140
3 ...
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Steps and methods for the second cleaning of the hydraulic system of Rexroth Rexroth hydraulic pumps
1) Preparation for cleaning.
(1) Preparation of cleaning oil. The cleaning oil can be selected as Rexroth Rexroth hydraulic pump hydraulic system working oil or test oil for the machine to be cleaned. It is not allowed to use kerosene, gasoline, alcohol or steam as the cleaning medium, so as not to corrode the hydraulic components, pipelines ...
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Composition of hydraulic power station
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.
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Rexroth solenoid valve introduction features
Rexroth solenoid valves consist of solenoid coils and magnetic cores, which are valve bodies with one or more holes. When the coil is energized or de-energized, the operation of the core causes the fluid to pass through the valve body or be cut off, changing the direction of the fluid. Electromagnetic components are composed of fixed cores, moving cores, coils and other components; ...
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Rexroth A6V series hydraulic motors are available in several variant forms
(1) HD (Hydraulic Variable) Type: Adjust the output torque and speed by controlling the swing angle of the motor block with external hydraulic oil.
(2) HA (Pressure Variable) type: When the pressure reaches the set value, the motor changes the swing angle with the change of load, thereby changing the output torque and speed. Among them, the main one is constant pressure type (HA1) ...
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Rexroth Hydraulic Pump - Common maintenance knowledge of hydraulic piston pumps
1. Hydraulic pump:
Straight shaft swash plate piston pumps are divided into two types: pressure oil supply type and self-priming oil type. Most of the pressure oil supply hydraulic pumps use oil tanks with air pressure, and there are also hydraulic pumps with oil replenishment sub-pumps to provide pressure oil to the oil inlet of the hydraulic pump. The self-priming oil energy of the self-priming hydraulic pump ...
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