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. Our long-term focus on market trends enables us to show our customers new ways to implement applications in a fast, efficient and future-proof way.
Fast, efficient and sustainable: Bosch Rexroth linear drive technology focuses on the future (Source: Bosch Rexroth)
Focusing on market demand, we identified three major trends: First, the need to identify and put in place the building blocks for customer applications more quickly. Second, linear drive technology should help make mechanical and automation solutions more efficient and durable, while reducing maintenance requirements. Third, it is important to provide practical answers to key factory automation questions, especially in terms of flexibility, productivity and sustainability. With the help of the Bosch Rexroth portfolio of linear drive technology, users can manufacture their products in a more flexible, cost-effective and sustainable way throughout the entire product life cycle.
Faster: End-to-end digitization saves time and money
The simple design process reduces the time to market for our customers' products, for example, by selecting, adapting and configuring our linear drive technology products with intelligent electronic tools. The new online selector is particularly future-proof. For example, the electric cylinder selector completes the selection and adjustment process on the same website and increases the ordering speed by up to 90% via EDI or the online shop. We are constantly expanding the solution concept for more products.
In the case of "smart components", i.e. mechatronic kits for stamping and joining, handling or gluing, the pre-installed operating software with the help of a virtual assistant can speed up commissioning by up to 80 percent. Further time savings can be achieved by visualizing sequence programming, monitoring functions and connection to higher-level control and IT systems via function blocks. For quick start-up, each kit is supplied pre-assembled and packaged.
More efficient: Increased productivity and economy
Rexroth's state-of-the-art linear drive technology permanently increases the efficiency, performance and profitability of machinery and systems. We develop products that are compact, durable, and versatile, helping our customers reduce operating costs over the long term.
As a stable partner, trendsetter and service provider worldwide, we are supported by the Bosch Group, and our users benefit from a high level of innovation.
More sustainable: Resource-saving products
We strive to create sustainable value by striking a balance between economic, ecological and social aspects in a better way.
Our products and solutions are designed to conserve resources and reduce the amount of lubricant used, thus helping to protect the environment and the climate and meet global CO2 emission targets. Thanks to the extended lubrication intervals, the ball guide system can travel up to 20,000 km without relubrication, while the ball screw drive system can reach 200 million revolutions with basic lubrication. As a result, users can not only save operating materials, but also make an important contribution to resource conservation.
Our linear guide systems, with their slides and rails that can be replaced independently, not only reduce the number of parts to be replaced and the amount of material used, but also speed up and simplify the maintenance process. Our global field service helps with long runs and ensures optimal system availability.
Electrification is becoming increasingly important in the field of mechanical engineering, but also in terms of energy efficiency. In many cases, our electric cylinders have become an economical alternative to pneumatic actuators.
Bosch Rexroth guarantees the future
Many of our visions have been realized through comprehensive applications, sensors, software, and IoT technologies: With open interfaces, users can quickly and easily connect our mechatronics suites to higher-level systems. These kits are also compatible with a variety of peripherals such as grippers or glue heads.
With the Smart Flex Effector, customers benefit from a cost-effective factory automation experience and completely new possibilities. The sensor-assisted compensation module has an independent motion capability of six degrees of freedom, making industrial robots as sensitive as human hands. With the help of this innovative component, even difficult-to-manage processes can be automated, optimized and monitored.
With continuously developing state-of-the-art components, intelligent subsystems, intuitive electronic tools and services, Bosch Rexroth supports the future of users in a wide range of industries.
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Rexroth proportional valves – application considerations for proportional valves
1. Pollution control requirements for proportional valve operation
The degree of contamination of the proportional valve to the oil is usually required to be 7-9 levels of NASl638 (ISO 16/13, 17/14, 18/15 levels), and the main link to determine this index is the pilot stage.
Although electro-hydraulic proportional valves are more anti-fouling than servo valves ...
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Rexroth hydraulic pumps – precautions during the installation of hydraulic motors
1. The bearing of the hydraulic motor can withstand the radial force, and the transmission parts such as the pulley shall not be directly installed on the spindle for the motor that cannot withstand the radial force.
The driving sprocket is driven by a hydraulic motor, and the driven sprocket drives the conveyor belt roller. According to the user's report, the motor often leaks...
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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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Common faults and solutions of Rexroth piston pumps
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 ...
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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 hydraulic motor balancing valve
The hydraulic motor is fixedly connected to the housing, and the oil propulsion rotor entering from the port rotates around a central point. This slow-rotating rotor drives the output through a splined shaft called a cycloidal hydraulic motor. After the advent of this early cycloid motor, through decades of evolution, another concept of horse ...
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How to select Rexroth solenoid valves
1. Select the solenoid valve according to the pipeline parameters: the diameter specification (i.e., DN) and the interface mode 1) determine the diameter (DN) size according to the on-site pipeline inner diameter size or flow requirements; 2) Interface mode, generally > DN50 to choose the flange interface, ≤ DN50 can be freely selected according to the user's needs. ...
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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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Rexroth Piston Pump FAQs
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.
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Rexroth Hydraulic Pumps – Oil trapping and radial forces in gear pumps
During the meshing process of the gear pump, the number of gear pairs meshed at the same time should be more than one pair, that is, the overlap coefficient ε should be greater than 1 (ε=1.4) to work normally. The oil left between the teeth is trapped in an enclosed space formed by two pairs of teeth meshing at the same time, and the volume of this space will be ...
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The opening ceremony of the second phase of the Bosch Rexroth plant in Xi'an was a complete success
On November 11, 2020, the opening ceremony of the second phase of Bosch Rexroth (Xi'an) Electronic Drive and Control Co., Ltd. was grandly held. With the completion of the second phase of the project, the Xi'an plant will become the overall supplier of the group's global intelligent manufacturing and industrial automation solutions, and Bosch Rexroth will provide the best solutions for the Chinese market.
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Common faults of Rexroth hydraulic pumps and maintenance methods
1. The resistance of the pump output pipeline is large
Maintenance method:
1. Whether the placement of the output pipeline is accurate, the pipe diameter should not be too small, and the turning angle of the pipeline should be too much
2. Check whether the valve is sensitive
3. Properly open the outlet valve until the working condition point
Second, the water and gas in the oil ...
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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 cause of the failure of the hydraulic pump and the method of troubleshooting
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 ...
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Disassembly and cleaning steps for Rexroth hydraulic valves
(1) Disassembly. For hydraulic valves, although most of the parts are connected by bolts, the hydraulic valve is not disassembled when designed, and if it is forcibly disassembled due to lack of special equipment or lack of professional technology, it may lead to damage to the hydraulic valve. ...
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Analysis of the fault phenomenon and causes of Rexroth hydraulic oil pump
1. Check the internal leakage of the boom cylinder. The easiest way to do this is to raise the boom and see if it has a noticeable free descent. If the drop is obvious, disassemble the cylinder for inspection, and replace the sealing ring if it is worn;
2. Check the control valve. First of all, clean the safety valve and check whether the valve core is grinding.
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Failure analysis of Rexroth drives
Common Failure Analysis:
1) Overcurrent fault: Overcurrent fault can be divided into acceleration, deceleration, and constant speed overcurrent. It may be caused by the acceleration and deceleration time of the inverter is too short, the load is abruptly changed, the load is unevenly distributed, and the output is short-circuited. At this time, it is generally possible to extend the addition and subtraction ...
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Bosch Rexroth presents the EMC-HP series, a new member of the electric axis family
● Robust and precise thanks to the Planetary Screw Assembly (PLSA).
● Digital engineering: freely configurable with a range of different options
● Compact design for easy integration
Robust, precise and efficient: EMC-HP stands for press-fitting, riveting, positioning and testing.
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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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Rexroth hydraulic pumps – how to choose a hydraulic motor
1. Workload cycle
2. Oil type
3. Minimum flow rate and maximum flow
4. Pressure range
5. System type: open system or closed system
6. Ambient temperature, system working temperature and cooling system
7. Oil pump type: gear pump, ...
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