China Servo Four-Column Hydraulic Press - Leading Suppliers & Factory for Precision Control Systems
Functions
A servo four-column hydraulic press is a hydraulic mechanical device that uses a servo motor to drive the hydraulic system, achieving precise control of pressure, displacement, and speed. Its main functions include:
1. Pressure Processing
• Stamping, bending, stretching, press-fitting, straightening, flanging, and other forming processes for metal or non-metal materials.
• Capable of achieving high-precision pressure control (e.g., ±1% pressure accuracy), suitable for scenarios requiring high processing precision.
2. Precision Control
• Real-time feedback through servo motors and sensors enables closed-loop control of stroke (displacement), speed, and pressure, with positioning accuracy up to ±0.01mm.
• Supports multi-stage process programming (e.g., segmented pressure application, pressure-holding delay) to meet complex process requirements.
3. Energy Saving
• The servo system dynamically adjusts the motor speed and power output according to the actual load, saving 30%–70% energy compared to traditional hydraulic presses.
4. Safety & Reliability
• Equipped with safety functions such as overload protection, limit protection, and emergency stop devices to ensure the safety of equipment and operators.
Applications
Servo four-column hydraulic presses are widely used in industrial manufacturing, specifically including:
• Stretching and bending of home appliance components (e.g., compressor parts, kitchen and bathroom hardware).
• Pressing and forming of medical devices (e.g., orthopedic implants), requiring aseptic environments and process stability.
• Frame pressing and silicon wafer cutting assistance for photovoltaic modules.
• Material mechanical property testing (e.g., pressure testing, fatigue testing) in research institutions.
Characteristics
Compared with traditional hydraulic presses or mechanical presses, servo four-column hydraulic presses offer the following significant advantages:
• Displacement Control: Real-time position feedback from the servo motor encoder, combined with sensors such as optical gratings, achieves micron-level positioning.
• Speed Control: Stepless speed regulation within 0.1–200 mm/s, suitable for low-speed precision processing (e.g., electronic component pressing) and high-speed stamping.
• Shortened Cycle: Fast response and precise control reduce idle stroke time, improving production efficiency (by 20%–50%).
• Suitable for Small-Batch Customization: No need to replace hardware molds; different product processing can be completed by adjusting parameters, suitable for personalized production needs.
• Simple Maintenance: Simplified hydraulic system (no traditional components such as relief valves and throttle valves), less oil contamination, and extended maintenance cycles.
• Fault Diagnosis: The system automatically detects anomalies (e.g., overload, oil leakage) and prompts alarm information for quick troubleshooting.
• Networking Function: Supports integration with factory MES systems for production data traceability and remote monitoring.
Conclusion
With characteristics such as high precision, energy efficiency, and flexibility, servo four-column hydraulic presses have become important equipment for modern manufacturing upgrades, especially suitable for scenarios with high requirements for processing quality, production efficiency, and environmental protection. With the development of servo technology and industrial automation, their application scope will further expand into more high-end manufacturing fields.
Technical Parameters
| Model | Units | JSSLED-300 | JSSLED-500 | JSSLED-1000 | JSSLED-2000 | JSSLED-3000 | ||
|---|---|---|---|---|---|---|---|---|
| Master cylinder | Inhibit the nominal force | ton | 300 | 500 | 1000 | 2000 | 3000 | |
| Deciduate nominal force | Mpa | 24 | 24 | 24 | 24 | 24 | ||
| Moving beam maximum stroke | mm | 350 | 350 | 400 | 400 | 300 | ||
| Quick downlink speed | mm/s | 230 | 210 | 230 | 230 | 230 | ||
| Working speed | mm/s | 10~18 | 12 | 10~18 | 10~18 | 10~18 | ||
| Return speed | mm/s | 200 | 180 | 200 | 200 | 200 | ||
| Stretching cylinder | Nominal Pressure | ton | 65 | 80 | 100 | 150 | 150 | |
| Dia. of ejector bar | mm | 6-φ26 | 6-φ32 | 6-φ32 | 6-φ38 | 6-φ38 | ||
| Ejecting stroke | mm | 120 | 150 | 150 | 150 | 120 | ||
| First ejecting cylinder | Nominal Pressure | ton | 25 | 30 | 65 | 25 | 25 | |
| Dia. of ejector bar | mm | φ30 | φ40 | 6-φ25 | 6-φ30 | 6-φ30 | ||
| Ejecting stroke | mm | 70 | 70 | 70 | 70 | 70 | ||
| Secondary ejecting cylinder | Nominal Pressure | ton | / | / | 20 | 20 | 30 | |
| Dia. of ejector bar | mm | / | / | φ25 | φ30 | φ30 | ||
| Ejecting stroke | mm | / | / | 105 | 110 | 105 | ||
| Height of the opening and closing | mm | 800 | 800 | 800 | 1000 | 800 | ||
| Bolster close height | mm | 1100 | 1200 | 1560 | 1760 | 800 | ||
| Bolster of M. W. T* Available | F-B (Rim) | mm | 630 | 700 | 1050 | 1360 | 1650 | |
| L-R (Between cylinders) | mm | 590 | 730 | 1050 | 1250 | 1340 | ||
| Overall dimension | L-R | mm | 2090 | 2200 | 3030 | 3560 | 4450 | |
| F-B | mm | 1650 | 1650 | 1650 | 1940 | 3380 | ||
| Height | mm | 3080 | 3250 | 3990 | 4780 | 5640 | ||
| Motor power | kw | 11+18.5 | 15+22 | 22+22 | 30+30 | 30+37 | ||
| Weight | kg | 10000 | 12000 | 30000 | 50000 | 70000 | ||
Frequently Asked Questions
Q1: What are the primary advantages of a servo four-column hydraulic press over traditional models?
A servo hydraulic press offers significantly higher displacement accuracy (up to ±0.01mm) and pressure control (±1%). It also reduces energy consumption by 30% to 70%, operates with much lower noise levels (below 75 dB), and requires simplified maintenance due to fewer hydraulic valves.
Q2: How does the servo system achieve such high energy savings?
Unlike traditional hydraulic systems where the motor runs continuously at full speed, the servo system dynamically adjusts the motor speed and power output in real-time according to the actual load. Standby power consumption is minimized when the machine is not performing work.
Q3: Can the process parameters be customized for different production runs?
Yes. The system features multi-process programming capabilities. Operators can store different process parameters (such as pressure-displacement curves) in the touchscreen interface, allowing for quick, one-click switching between production tasks without swapping physical tooling.
Q4: What industries are best suited for this equipment?
It is highly suited for industries requiring high precision and clean operations, including the automotive industry (e.g., motor stator press-fitting), consumer electronics, home appliances, aerospace, medical devices, and the new energy sector (lithium battery and solar module production).
Q5: What safety features are integrated into the machine?
The machine is equipped with multiple safety mechanisms, including real-time overload protection, physical limit protection, and emergency stop devices. Real-time diagnostic sensors also monitor for anomalies like oil leaks or voltage spikes to protect both operators and the machinery.
Q6: Does this hydraulic press support smart factory integration?
Yes, it features advanced networking capabilities that allow it to integrate seamlessly with factory Manufacturing Execution Systems (MES) for comprehensive production data traceability, remote monitoring, and automated fault reporting.


