Servo hydraulic press manufacturers talk about the advantages of using servo systems in hydraulic presses
Release time:
2022-08-08
Servo hydraulic press manufacturers talk about the advantages of hydraulic presses using servo systems
Overview of the advantages of hydraulic presses:
A hydraulic press is a pressure machine that uses liquid as its working medium. Compared with traditional mechanical presses, hydraulic presses have the following irreplaceable advantages:
1. For the same volume, it can generate greater power, that is, for the same power, the hydraulic press is smaller, lighter, and more compact, that is, it has greater power density or force density.
2. The hydraulic press can easily achieve stepless adjustment of the speed of the actuator, and its adjustment range is large, and the speed adjustment can also be carried out during the operation of the machine tool.
3. The hydraulic press operates smoothly, has small impact during reversal, and is easy to achieve frequent reversal.
4. The hydraulic press is easy to achieve overload protection, self-lubrication, and has a long service life.
5. The hydraulic press is easy to achieve automation, and can conveniently adjust and control the flow direction, pressure, and flow rate of the liquid, and can be easily combined with electrical control and pneumatic control to achieve complex movements and operations.
6. Hydraulic components are easy to achieve standardization, serialization, and generalization, and the hydraulic device is easy to design, manufacture, and promote.
Advantages of hydraulic presses using servo systems:
1. Energy saving
Compared with traditional quantitative pumps and variable pumps, the servo system adopts pressure and flow dual-closed-loop control, and the energy saving rate can reach 30%-70%. Compared with vector frequency conversion (also known as asynchronous servo), it can save energy by more than 20%. The servo system uses a permanent magnet synchronous servo motor, and the motor itself has an efficiency as high as 90%, while the efficiency of traditional motors is only about 70%.
2. High efficiency
The servo response speed is fast, the pressure rise time and flow rise time are as fast as 20ms, which is nearly 50 times faster than traditional motors, improving the response speed of the hydraulic system, greatly shortening the response time of the action, and accelerating the operation cycle of the whole machine.
Using three-loop control technology, the high speed of the motor is increased to 2000 rpm, the oil pump output is increased, and thus the opening and locking speed is increased.
3. Precise
The fast response speed ensures the accuracy of repeated opening and closing, and the closed-loop speed and current control ensure high repeatability of the slider position, good precision of batch products, and high consistency. It overcomes the shortcomings of ordinary asynchronous motor quantitative pumps caused by changes in speed due to external factors such as voltage and frequency, which leads to flow changes and reduces product output.
4. Stable
High stability, hydraulic press control method; when a fault is found, it can stop and alarm in time, and can provide various protections such as overcurrent, overvoltage, overheating, overload, undervoltage, and ground fault, ensuring stable product manufacturing quality and stable operation in harsh industrial environments.
5. Low temperature
The hydraulic press with a servo hydraulic closed-loop control system can significantly reduce the heat generation of the oil system, keeping the oil temperature at a relatively low temperature, significantly extending the service life of components and hydraulic oil in the oil system, reducing the failure rate of the oil system, and greatly reducing the oil temperature, saving about 30-60% of cooling water.
Recommended products
2023-05-12
What are the characteristics of a hydraulic press?
CNC hydraulic oil pumps generally use internal gear pumps, while traditional hydraulic presses generally use axial piston pumps. At the same flow rate and pressure, the noise of an internal gear pump is 5 dB to 10 dB lower than that of an axial piston pump. The motor of a CNC hydraulic press runs at rated speed during pressing and return, and its noise emission is 5 dB to 10 dB lower than that of a traditional hydraulic press. When the slider rapidly descends and is stationary, the servo motor speed is 0, so the CNC hydraulic press has essentially no noise emission.
2015-08-25
Application scope and system selection of small hydraulic presses
Suitable applications for small hydraulic presses include: 1. Punching various silicone and plastic buttons for mobile phones or remote controls, and cutting plastic products; 2. Cutting various protective films for mobile phones, digital cameras, and laptop LCD screens, as well as precision cutting and halving of various pressure-sensitive adhesives and trademarks; 3. Embossing, forming, etc., of various PV, PE, PC and other thin-film switches and panels; 4. Pressing and forming various flexible circuit lines for laptop keyboards, etc. Small hydraulic presses use original Taiwanese or Japanese parts for the hydraulic power system, resulting in fewer malfunctions, high efficiency, low noise, low horsepower requirements, easy maintenance, and convenient adjustment of output, speed, and stroke.
2014-04-29
Technology Daily (Reporter Shi Junbin, Correspondent Jiao Yue) Recently, a 19,500-ton free forging hydraulic press and a 300-ton/750-ton-meter full hydraulic forging manipulator, independently developed by China Heavy Industry Corporation, successfully completed their first hot load test run in Jiangyin, Jiangsu Province. This marks the completion of the world's largest tonnage free forging hydraulic press and the world's largest clamping force/clamping torque full hydraulic forging manipulator currently in operation, achieving a globally advanced level of overall equipment installation. The 19,500-ton free forging hydraulic press adopts a three-beam, four-column, three-cylinder, top-drive, press-insert, full pre-stressed frame structure. Both the upper and lower beams use pre-stressed composite beams. The maximum forging capacity can reach 4
Contact us
Address: No. 19, Science and Technology East Road, Songxia Industrial Park, Songgang, Nanhai District, Foshan City, Guangdong Province, China
Tel: 0086-0757-85203155
Mobile: 18033239126(Mr. Yang)
Fax: 0086-0757-85203166
Email: info@fs-hongdemachinery.com
Scan to follow
Xin Hongde Mobile Website
Quick Navigation
©2025 Foshan Xin Hongde Machinery Manufacturing Co., Ltd. All rights reserved