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China Suppliers Factory Servo Four-Column Hydraulic Press for Precise Pressure Control and Efficiency

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Functions

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Introducing the servo four-column hydraulic press, a cutting-edge hydraulic mechanical device from China. Driven by a high-efficiency servo motor, this press optimizes the hydraulic system for precise control over pressure, displacement, and speed. As a leading solution among suppliers in the industry, it boasts a range of key functions that enhance operational efficiency and precision:

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    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. High Efficiency and 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 and 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:
    1. Automotive Industry

    • Press-fitting of components (e.g., bearings, gearbox components), sheet metal forming of vehicle bodies, and press-fitting of motor stators.

    Case: Precision press-fitting of new energy vehicle motor stators, requiring high pressure accuracy and non-destructive processing.

    2. Electronics and Home Appliances

    • Stamping and forming of electronic components (e.g., mobile phone casings, computer accessories), and precision component pressing (e.g., screen and frame bonding).

    • Stretching and bending of home appliance components (e.g., compressor parts, kitchen and bathroom hardware).

    3. Aerospace and Precision Manufacturing

    • Precision forming of aerospace components (e.g., titanium alloy structural parts) and high-precision mold testing.

    • Pressing and forming of medical devices (e.g., orthopedic implants), requiring aseptic environments and process stability.

    4. New Energy Sector

    • Processes in lithium battery production such as electrode sheet pressing, cell packaging, and battery module pressing, which demand extremely high pressure uniformity and displacement accuracy.

    • Frame pressing and silicon wafer cutting assistance for photovoltaic modules.

    5. Other Industries

    • Stamping of hardware products (e.g., tableware, locks);

    • 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:
    1. High-Precision Control
    Pressure Control: Uses a servo motor + ball screw or servo pump control system, with minimal pressure fluctuation and high repeatability accuracy.
    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.
    2. Energy Saving and High Efficiency
    Demand-Driven Energy Supply: The servo motor only operates during work, with extremely low standby power consumption, reducing energy consumption by over 50% compared to traditional hydraulic presses.
    Shortened Cycle: Fast response and precise control reduce idle stroke time, improving production efficiency (by 20%–50%).
    3. Flexible Production
    Multi-Process Compatibility: Can store multiple process parameters (e.g., pressure-displacement curves for different products) through programming, enabling one-click switching of production tasks.
    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.
    4. Low Noise and Maintenance Cost
    Low Noise: The servo system operates smoothly, with noise typically below 75 dB, better than traditional hydraulic presses (above 85 dB).
    Simple Maintenance: Simplified hydraulic system (no traditional components such as relief valves and throttle valves), less oil contamination, and extended maintenance cycles.
    5. Intelligence and Digitalization
    Real-Time Monitoring: Equipped with a touchscreen human-machine interface, which can display parameters such as pressure, displacement, and speed in real time and generate production data reports.
    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.
    Technique parameter
    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 cylinder) mm 590 730 1050 1250 1340
    Over all 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
    What is a servo four-column hydraulic press?
    It is a hydraulic mechanical device driven by a servo motor that achieves closed-loop, highly precise control over pressure, displacement, and speed parameters.
    How much energy can be saved compared to traditional hydraulic presses?
    By dynamically adjusting motor speed and power according to the workload, the servo system saves between 30% and 70% of energy compared to traditional models.
    What is the positioning and pressure accuracy of the machine?
    It offers a positioning accuracy of up to ±0.01mm and pressure control accuracy within ±1%, making it ideal for precision manufacturing.
    What industries benefit most from using these presses?
    It is widely used in the Automotive Industry (especially electric vehicle motor stators), Electronics, Aerospace, New Energy (photovoltaics & lithium batteries), and medical device production.
    How does it support smart factory integration?
    It features networking capabilities, enabling seamless integration with factory MES systems for production data traceability, remote monitoring, and automated fault alerts.
    Does the machine support custom processing procedures?
    Yes. Through programming, it supports multi-stage process parameters (like segmented pressure and holding times) and allows one-click switching of tasks for small-batch customization.

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