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ES/EP
Hydraulic Servo System
The hydraulic servo drive system consists of ES600 series servo drive and EP series servo motor. By combining the capabilities of high-performance general servo platform, it comprehensively enhances servo motion control capabilities. Deeply coupled with the structural characteristics of oil pumps, it significantly reduces hydraulic pressure pulsation. The integrated machine features a duct casing structure, enhancing heat dissipation and increasing mechanical structural strength. With a new electromagnetic design featuring low inertia, the inertia of the frame size 200 is reduced by approximately 10%, meeting high-speed response requirements. By combining software and hardware, vibrations are minimized, achieving ultimate silence. Equipped with CANOPEN communication and coupled with upper computer platform, the entire electrical control solution assists in upgrading hydraulic equipment.
Paired with intelligent hydraulic position closed-loop algorithm, it significantly enhances positioning accuracy, reduces impact during operation, decreases equipment wear, and improves equipment lifespan. It intelligently diagnoses pump and oil circuit faults based on feedback pressure, actual speed, output current, and other information.
Product Positioning
Working Principle
Before the system establishes pressure, the flow is used to control the speed of the servo motor precisely, thus controlling the system flow accurately.
After the system pressure is established, the real-time pressure is rapidly controlled through pressure PID, utilizing the advantages of fast response and precise control of the servo motor to achieve rapid and high-precision pressure control in the system.
Application and solutions in the hydraulic press industry
Traditional hydraulic presses use ordinary asynchronous motors, which are bulky and occupy a lot of space. Moreover, their non-stop
operation leads to overall high oil temperatures, necessitating a correspondingly large oil tank volume. In contrast, the electro-
hydraulic servo system adopts an intelligent servo energy-saving system, reducing power consumption by 30%-50%. Each machine is
equipped with an infrared grating, which effectively protects operators. It can achieve pressure control accuracy of up to 1bar and
position control accuracy of 0.05mm on different types of hydraulic press equipment. The system supports various pressing modes
(such as sheet stamping, drawing, resistance to drawing, precision stamping), ensuring the machine's repeat positioning accuracy of
up to ±0.05mm and pressure error within ±1%. The servo intelligent control system operates efficiently, preventing unnecessary work
and minimizing oil temperature increase. Additionally, the absence of negative pressure within the oil circuit system significantly
reduces the failure rate, prolonging the lifespan of hydraulic components. The electrical equipment is equipped with automatic fault
alarms and a one-click reset function. Currently, it serves numerous large oil pressure equipment manufacturers and users worldwide,
receiving unanimous recognition within the industry.
| Pressure | Oil pump displacement | Motor | Servo drive | ||
| Mpa | cc | Model | Parameter | Model | Parameter |
| 25 | 20 | EP18-66F17K | 63Nm,1700rpm | ES600T025 | 11kW |
| 25 | 25 | EP18-70F17K | 74Nm,1700rpm | ES600T032 | 15kW |
| 25 | 32 | EP18-105F17K | 107Nm,1700rpm | ES600T037 | 18.5kW |
| 25 | 40 | EP18-120F17K | 126Nm,1700rpm | ES600T045 | 22kW |
| 25 | 50 | EP18-148F17K | 147Nm,1700rpm | ES600T060 | 30kW |
| 25 | 55 | EP18-168F17K | 168Nm,1700rpm | ES600T075 | 37kW |
| 25 | 63 | EP18-189F17K | 189Nm,1700rpm | ES600T075 | 37kW |
| 25 | 80 | EP25-236F17K | 241Nm,1700rpm | ES600T091 | 45kW |
| 25 | 100 | EP25-314F17K | 294Nm,1700rpm | ES600T112 | 55kW |
| 25 | 125 | EP25-380F17K | 375Nm,1700rpm | ES600T150 | 75kW |
| 25 | 150 | EP25-455F17K | 455Nm,1700rpm | ES600T176 | 90kW |
| 25 | 160 | EP25-500F17K | 508Nm,1700rpm | ES600T210 | 110kW |
Q1: Can I have a sample order?
A1: Yes, we welcome sample order to test and verify the quality and performance. Mixed model samples are acceptable too.
Q2: Do you have any MOQ limit?
A2: NO MOQ. Please just send us inquiry.
Q3: What is the lead time?
A3: We have some stock for common models. Common model samples take 1-3 days; bulk orders take 3-10 working days. Uncommon models take 20-30 working days and depends on the actual situation of the production line.
Q4: Do you offer warranty for the products?
A4: Yes, we provide 18 months warranty for the failure or damage under normal use conditions. If the equipment has been used for over 18 months, reasonable repair expenses will be charged.
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