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Today, hydraulic systems are widely used in various industries and machinery. As a transmission technology, hydraulic mode than the traditional mechanical methods, has the following advantages: 1, can produce great force, and easy to control; 2, in a wide range of continuously variable speed; 3, it is easy to prevent overload, Safety; 4, the size of small output, the installation location can be freely selected; 5, the output force of the control simple and accurate, remote control. Although...
In theory, as long as the impact on the power grid is within the acceptable range, the hydraulic oil pump motor can be directly started, but in practical applications, due to the large number of electrical equipment and the length of the line, the direct start is not necessarily feasible. The editor of Dalan Motor will discuss and discuss with you on this topic today. According to the habit, motors with a low voltage of less than 11KW can be started directly, 11-75KW can be started with a...
The hydraulic system has the advantages of large capacity, quick response, easy control, large output force and large torque. It is widely used in modern equipment, especially in extra large equipment, but the hydraulic system is generally a combination of electromechanical fluid. Various faults come out, and the fault forms are concealed, diverse, and uncertain. It is difficult to detect and judge. The faults of general hydraulic equipment can be divided into three types: electrical fault,...
I. Introduction Nowadays, hydraulic system is widely used in all kinds of machinery and equipment in various industries. As a transmission technology, hydraulic mode than the traditional mechanical methods, has the following advantages: 1, can produce great force, and easy to control; 2, in a wide range of continuously variable speed; 3, it is easy to prevent overload, Safety; 4, the size of small output, the installation location can be freely selected; 5, the output force of the control...
Before a user wants to buy a product, what is necessary to consider. Of course, which manufacturer is better. Similarly, when building construction users purchase fine stone concrete conveying equipment, they also focus on considering which new hydraulic fine stone concrete pump is better. The quality of the manufacturer, and how to wait for the word of mouth to be determined, the customer can also have a deeper understanding of the characteristics of the fine stone concrete pump. So from what...
I have been engaged in the design and manufacture of CNC machine tools for nearly 10 years. I have gained some experience in the design and calculation of the balance weight of the vertical milling head or grinding head of this type of machine tool. Metal processing online prompt: the vertical milling head or the grinding head of the vertical machine tool does not move in the X direction, so the balance weight hammer can be placed in the column cavity to move only up and down. The X-axis moving...
Due to the current type of hydraulic equipment in injection molding equipment more, the same type of pump due to power, speed, pressure, flow, metal and other factors, the choice of hydraulic oil more complicated. In general, low-pressure pump HL oil can be used for medium and high pressure pump should be used HM oil. Lubrication of hydraulic oil (wear resistance) on the three major anti-wear pump sequence is vane pump> piston pump> gear pump. Vane pump hydraulic system for the main pump...
Product Features of Riyi Radial Hydraulic Riveting Machine: 1. Integral casting, the bed is treated with high temperature aging, good rigidity, small deformation and stable performance. 2. The design of the spindle frequency conversion power head, the spindle speed can be adjusted arbitrarily within the specified range, the operation is simple, and the scope of action is wide. 3. Speed, pressure and time can be set within the specified range. 4. The worktable is manually adjusted up and down to...
Information details What is the hydraulic motor? What is the relationship with the hydraulic pump? Time: 2014-08-27 Source: http:// The hydraulic motor is a motor with a hydraulic pump . The hydraulic pump and the motor are integrated. The hydraulic motor does not need to be equipped with a hydraulic pump . He has a liquid inlet and a liquid outlet. A simple hydraulic pump requires an external motor to work. There is also confusion that hydraulic motors are also called hydraulic pumps.
I. Introduction Nowadays, hydraulic system is widely used in all kinds of machinery and equipment in various industries. As a transmission technology, hydraulic mode than the traditional mechanical methods, has the following advantages: 1, can produce great force, and easy to control; 2, in a wide range of continuously variable speed; 3, it is easy to prevent overload, Safety; 4, the size of small output, the installation location can be freely selected; 5, the output force of the control...
For the long-term operation of hydraulic oil pump motors, the usual detection and tracking is particularly important. The detection items include the rotation sound, vibration, temperature, and lubricant status of the bearings. Today, the editor of Dalan Motor summarizes the 9 bearings that are about to fail Typical symptoms and countermeasures for everyone to learn. (1) Dirt, foreign matter, sand or other pollutants enter the cabinet. Countermeasure: Clean the bearing box and replace it with a...
/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Hydraulic system requirements and analysis of hydraulic press Source: Bearing network time: 2018-07-21 The hydraulic press is a device that uses hydraulic transmission technology for pressure processing; it can be used to complete various forging and press forming processes, such as forging of steel; forming of metal structural parts; restrictions on plastic products and rubber products. Hydraulic presses are the first to use...
Zhuotai hydraulic production of high pressure manual hydraulic pump fully meet the market demand. Figure: EHV manual hydraulic pump working pressure 100 ~ 300Mpa; equipped with pressure relief valve, safety relief valve; two flow design, low pressure large flow of oil, high pressure small flow of oil, saving time and improve efficiency. Overall dimensions of 585 * 120 * 170mm, with a total oil weight of about 11Kg. Use shows that this pump is convenient and flexible, low labor-intensive,...
There are many reasons for the vibration of hydraulic oil pump motors. Motors with a large pole number of more than 8 poles will not cause vibrations due to motor manufacturing quality problems. Vibration is common in 2- to 6-pole motors, so what are the causes of their vibration? Check it out with Dalan Motor! 1. Qualification standard of motor vibration value: (1) For a rotating machine with a rated speed below 750r / min, the bearing vibration value does not exceed 0.12mm; (2) For a rotating...
/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Hydraulic pump bearing fault diagnosis network method Source: Bearing network time: 2018-07-14 In the aviation industry; the operating function of the hydraulic system directly affects the safety of the aircraft and the life of the passenger; and the hydraulic pump is the power source of the hydraulic system; therefore, the monitoring of the condition of the hydraulic pump and the diagnosis of the disease are particularly...
Hydraulic noise analysis: 1. Hydraulic pump or motor noise (1) Absorption is one of the major causes of excessive noise in hydraulic pumps. When the oil is mixed with air, cavitation is easily formed in the high pressure area and propagates in the form of pressure waves, causing the oil to oscillate and cause the system to generate cavitation noise. The main reasons are: 1. If the oil filter or inlet pipe of the hydraulic pump is clogged or the viscosity of the oil is too high, the degree of...
The starting current refers to the inrush current of the electrical equipment at the start, it is the amount of current change from the moment when the motor or inductive load is energized to the smooth operation. Today, the editor of Dalan Motor teaches you how to measure the starting current of the hydraulic pump motor. method. According to national regulations, for the safety of line operation and the normal operation of other electrical equipment, high-power motors must be equipped with...
/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Hydraulic pump bearing fault diagnosis network law research Source: China Bearing Network Time: 2013-10-04 In the aviation industry; the operating function of the hydraulic system directly affects the safety of the aircraft and the life of the passenger; and the hydraulic pump is the power source of the hydraulic system; therefore, the monitoring of the condition of the hydraulic pump and the diagnosis of the disease are...
I. INTRODUCTION Today, hydraulic systems are widely used in a variety of mechanical equipment in various industries. As a transmission technology, hydraulic pressure has the following advantages over traditional mechanical methods: 1, can produce a great deal of force, and easy to control; 2, can be infinitely variable in a wide range; 3, it is easy to prevent overload, safety; 4, small size and large output, the installation position can be freely selected; 5, the output force control is...
During the operation of the hydraulic oil pump motor, the motor sometimes stops, sometimes starts, and starts for a few minutes. It will stop and stop for a while, and then start again. The speed is still very slow. What is the reason? Dalan Motor will shove the cause and effect of the problem. After a while, the work stopped. If this kind of fault is not discovered and processed in time, it will be easy to burn out the motor and the components of the control system for a long time. Failure...
Information details Hydraulic pump maintenance and maintenance Time: 2014-08-18 Source: http:// 1. Check the fasteners of the product daily, such as: whether the screws are loose, check the installation pipe interface, etc. for oil leakage. 2. Check the oil seal for cleaning. It is often necessary to clean the oil seal to prevent the life of the machine from being affected. 3. It is recommended to replace the hydraulic oil after the first working for 500 hours. The maximum cycle of hydraulic...
The medium used by jacks is hydraulic oil, so hydraulic oil is very important for hydraulic jacks. And because there are several kinds of additive in the oil, the following details are introduced: Hydraulic oil additives in the jack are used to improve the properties or properties of the base oil to meet the various requirements of the working medium in the application. Commonly used additives for hydraulic oils are as follows: 1. Viscosity enhancer can increase viscosity and viscosity index of...
The production process of the hydraulic oil pump motor is very complicated, including the manufacture of the casing, coil winding and embedding, and coil impregnation treatment. Among them, the greatest fire hazard is the coil dipping treatment process, which mainly includes pre-baking, painting and drying. Today, the editor of Dalan Motor will explain this topic to everyone. 1. Fire hazard (1) A large amount of static electricity will be generated during the process of filtration, pouring, and...
After many years of application development, the lifting column has been expanded into various styles. The main classification is a pneumatic automatic lifting column: air as a driving medium, through the external pneumatic power unit, the driving cylinder rises and falls. Hydraulic lifting column: hydraulic oil as the driving medium. There are two control modes, that is, the external hydraulic power unit (the drive part is separated from the cylinder) or the built-in hydraulic unit power unit...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.