At the Hannover Messe 2023, Bosch Rexroth presented several open, easy-to-integrate automation solutions and will continue to drive the digital transformation of mechanical engineering. In the field of hydraulics, Bosch Rexroth is transferring more functions to the software. The solution is based on open standards, which provide greater freedom for machine builders and end users, while reducing energy and resource consumption in the use process.
Bosch Rexroth at the 2023 Hannover Messe in Hall 6, Booth D26 (Source: Bosch Rexroth)
Automation: Increase openness while reducing energy and resource consumption
Historically, it has been common for automation manufacturers to tie software functionality to control hardware, tying customers to their product portfolios. Bosch Rexroth's Linux-based real-time ctrlX OS operating system, which was also originally only used on the ctrlX CORE control system, is now a stand-alone solution for industrial environments. The ctrlX OS operating system seamlessly connects more automation components to the full ctrlX AUTOMATION portfolio in real-time and hardware-independent, including partner solutions from ctrlX World. This makes it even simpler and more flexible for machine builders and system integrators to develop, install, update, and operate software-based functions on control systems at all levels of the automation topology. WAGO, as the first system and technology partner, has installed the ctrlX OS operating system on its own devices and is working with Bosch Rexroth to develop new industry-specific solutions.
The ctrlX AUTOMATION toolkit is also driving the sustainability of industrial automation. More and more energy-saving functions are being applied, such as the intelligent energy mode in the servo drive, which ensures that energy is stored in the system in an intelligent way and that peak loads are avoided as much as possible. As part of the recycled product program, there is also a trend to carry out projects for the reuse of automated components. For example, obsolete servo motors are restored to like-new condition through professional repair and replacement of worn parts, and warranty is provided. Around 75% of the components can be reused, thus saving resources.
Linear drive technology: Customized solutions for faster access
In the field of linear drive technology, Bosch Rexroth is speeding up the engineering efficiency of individual components and intelligent machine electronics systems with digital tools. The pre-built operating software, with the help of a virtual assistant, saves time in the commissioning of the subsystem. As a plug-and-play solution, Smart Function Kits for stamping and joining, handling and dispensing simplify and accelerate the operational efficiency of the entire process. With pre-built software, subsystem commissioning time can be reduced by up to 80 percent, and even more time can be saved for visual sequence programming using drag-and-drop function blocks. The Smart Flex Effector opens up new freedom in the field of automation. The sensor-based compensation module uses an independent kinematics with six degrees of freedom to give the robot the sensitivity of a human hand. This innovative product has been awarded the 2023 Hermes Prize.
Bosch Rexroth Linear Drive Technology is designed to extend lubrication intervals and achieve better lubricant use, thereby reducing operating costs and resource consumption over the entire life cycle.
The Hägglunds quantum motor series: a new peak in performance and service life
The new Heglon Quantum Hydraulic Motor series overcomes the physical limitations that existed in the past, offering a unique combination of torque and speed. With a maximum speed of more than 150 rpm and a maximum torque of more than 350 kNm, it rewrites the rules of power density. Thanks to the optimisation of design and materials, the series is more efficient than previous series and has a twofold average service life. These motors are suitable for equipment such as crushers and mixers, as well as for mobile machinery.
eOC hydraulics: provide greater flexibility for mobile and stationary machinery
Based on the market-proven and electromechanically optimised open hydraulic pump, Bosch Rexroth has launched the new eOC (Electronically Controlled Open Circuit) hydraulic system. With these hydraulic pumps for mobile and industrial applications, eOC technology allows operation with variable pressure, flow and power in stationary and mobile applications, improving the stability of functionality in specific applications. The components are more efficient and the overall system is more efficient. At the same time, the adoption of energy recovery solutions is possible or simplified. The key is to move complex control processes from the hardware controller to the software level, reducing the variety of pump controls and default settings. Each machine only needs to be set up once, which reduces the set-up effort.
eLION platform: Bosch Rexroth continues to push the boundaries of mobile machine electrification
The modular eLION platform has been developed for a wide range of off-highway applications and supports the full electrification of mobile machinery. The electric motors are available in a power rating range of 20 to 200 kW with a peak power of up to 400 kW. Compliance with the ISO 13849 functional safety standard and fully integrated functional safety features help save engineering time. The eLION portfolio includes motors and inverters as well as important system components such as DC/DC, on-board chargers and high-voltage cables. Bosch Rexroth also equipped the entire eLION platform with a BODAS software module, a matching gearbox and hydraulic components such as an axial piston pump. Various types of eLION-equipped machines have already been put into use in pilot projects.
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Rexroth balance valve balancing principle and its function description
The balancing principle of the balancing valve and its function are explained
The principle of balance
The TA balancing concept is the concept of total equilibrium, which believes that only after the resistance of the system is adjusted and balanced, can each equipment obtain the design flow under the design operating conditions.
Fluid network system for the HVAC industry
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DAMBACH has developed a new shuttle system based on Rexroth's compact control system
DAMBACH has developed a new shuttle system based on the compact control system from Bosch Rexroth
A leap forward in the dynamics and efficiency of high-level compartment warehouses
Tried and tested
Flexible and scalable for greater displacement and degrees of freedom
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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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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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How Rexroth hydraulic pumps are adjusted
1) Swash plate axial piston variable pump for open hydraulic rotation circuit
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, ...
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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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Bosch Rexroth has launched Sino-Pack 2022
On March 4th, as a well-known intelligent packaging exhibition in Asia, China International Packaging Industry Exhibition Guangzhou was grandly opened. As the world's leading supplier of complete automation systems, Bosch Rexroth offers a high level of automation and electrical control and linear drive technology.
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How to adjust the pressure flow rate of Rexroth constant pressure variable hydraulic pump?
1. First of all, adjust the pressure adjustment screw of the Rexroth variable hydraulic pump relief valve to the loosest state, the minimum flow limiter to the minimum state (the upper hydraulic cylinder adjusting screw is adjusted to the loosest state), the flow control valve adjustment screw is adjusted to the tightest state, and connect a flow rate in series after the flow valve.
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Analysis of common failures of Rexroth piston pumps
1. The pressure of Rexroth piston pump cannot rise:
1. Rexroth piston pump does not have oil or insufficient flow - the same as the above elimination method.
2. The adjustment pressure of the relief valve is too low or faulty - re-adjust the pressure of the relief valve or repair the relief valve.
3. There is a leak in the system.
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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 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 hydraulic pump - piston pump maintenance precautions
1. Check whether the piston pump is damaged and corroded, and replace it if so.
2. Check the fit of the plunger pair. Insert the end of the plunger into the plunger sleeve, tilt it about 60°, and if the plunger can slide slowly under its own action, it will fit well.
3. Check the tightness of the plunger pair. Use...
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The Rexroth LinSelect selection tool helps you select Cartesian robots
A new reference process for gluing tasks has been added to the LinSelect configurator
Just enter a few parameters to get specific product recommendations
Complete subsystems for handling and gluing tasks
Thanks to the intelligent reference process in the LinSelect selection software,
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Rexroth launches a new product, the IMScompact integrated measuring system
Space-saving design: The measuring sensor is fully integrated into the slide
Cost-effective position measurement system for a wide range of product sizes
From design to service, save time and money
Integrated absolute position measurement is used in a wide range of applications, due to its high water ...
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Rexroth solenoid valves are common fault problems
1) Cannot be opened or closed normally
1. Check the power supply and make sure the voltage and frequency are correct. Also check the connection.
2. Check whether there is dirt, corrosion underneath, and the coil will not burn out or lose components.
3. Check whether the flow direction is related to the indicator on the valve body or with the valve ...
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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 hydraulic pump - introduction to the characteristics of proportional valves
Proportional control valve is a kind of control valve that continuously and proportionally controls the flow, pressure and direction of the hydraulic system according to the input electrical signal, and its output flow and pressure can not be affected by load changes.
Compared with ordinary hydraulic components, proportional valves have the following characteristics:
（ ...
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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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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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