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. ...

Rexroth oil pump is a hydraulic system that converts the mechanical energy of the prime mover (motor, internal combustion engine, etc.) into liquid pressure energy. 　　Rexroth oil pumps can be divided into two types: positive displacement and non-volumetric type. The non-volumetric type has centrifugal pumps, axial flow pumps, etc., and uses high-speed rotating impellers to produce true ...

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; ...

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 ...

1. Preparation before starting: check the fastening of each component; Check the oil level of the oil tank, the height of the oil level is subject to the engraving line of the oil window on the oil tank, N46 in summer, N32 hydraulic oil in winter. High-pressure pumps and pumps above 140 should use the same type of anti-wear hydraulic oil. Check the pressure gauge range, liquid ...

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...

The combination of Bosch Rexroth and Hydfoss contributes to the expansion of the hydraulic portfolio worldwide Join forces to open up new market opportunities and expand sales channels Bosch Rexroth AG (hereinafter referred to as "Bosch Rexroth") plans to acquire a company located in Iraq, United States.

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 ...

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 the International Rubber Congress 2022 in Nuremberg, Bosch Rexroth presents a new Heglon drive specially developed for rubber machinery. It is designed to significantly reduce energy consumption and thus CO2 emissions in daily operations. Similar to traditional electromechanical drives, the pre-assembled ...

1) Electrical proportional mode, to achieve stepless control of outlet pressure. 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, it is small in size, light in weight, compact in structure, and lightweight.

1. The power domain (working limit) of the proportional valve For direct-acting electro-hydraulic proportional throttle valves, since the hydraulic force acting on the valve core is proportional to the flow rate and flow rate (pressure) through the valve port, when the working condition of the electro-hydraulic proportional throttle valve exceeds the product of its pressure drop and flow rate, that is, the power meter...

The classification of proportional valve control mode refers to the classification of the electrical-mechanical conversion mode in the pilot control valve of the proportional valve, and its electrical control part has various forms such as proportional solenoids, torque motors, DC servo motors, etc. (1) Electromagnetic type Electromagnetic type refers to the use of proportional electromagnets.

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: （ ...

Piston pumps are generally divided into single piston pumps, horizontal piston pumps, axial piston pumps and radial piston pumps. Single piston pump The structure consists of an eccentric wheel, a plunger, a spring, a cylinder block, and two check valves. A closed volume is formed between the plunger and the cylinder bore. The eccentric wheel rotates and the column ...

1. The output flow of the hydraulic pump is insufficient or does not output oil Piston pumps often suffer from insufficient suction, excessive leakage, or too small an inclination angle. The insufficient suction volume is mainly caused by the high resistance of the suction pipe or the insufficient oil replenishment, such as the pump speed is too fast and the oil level is too low; Excessive leakage ...

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 ...

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 ...

Bosch Rexroth has increased its investment in factory automation to expand its business scope and decided to acquire motion control specialist Elmo Motion Control Ltd. Headquartered in Petatikova, Israel, the company develops and produces electrical high-end products suitable for industrial automation.

Volumetric efficiency (actual discharge/theoretical discharge) rotates at low speed, and internal leakage increases when used at high pressure, and efficiency decreases. Solid shaft dynamics (theoretical shaft dynamics/mechanical efficiency): number of rotations, increased pressure, increased mechanical efficiency. Real discharge (volumetric efficiency), real axis power and number of rotations ...

Bosch Rexroth, a leading global supplier of drive and control technology, is building a new plant in Querétaro, Mexico, and will further strengthen its presence in North America. Bosch Rexroth has been successfully operating in Mexico for 40 years. From the summer of 2023, the walking machines of Querétaro ...