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High Force Servo Electric Cylinder FDR135 with Max Thrust 5500kg

This ultra-heavy-duty servo electric cylinder is engineered to deliver a massive thrust force of 5500 kilograms (approximately 54 kilonewtons), combining the brute strength of large hydraulic presses with the precision and intelligence of servo control. Designed with high-rigidity mechanics and capable of withstanding significant overloads, this all-electric actuator provides exact closed-loop control over force, position, and speed for the most demanding industrial applications . It offers a clean, energy-efficient, and maintenance-free alternative to traditional hydraulic systems, making it ideal for heavy press-fitting, forming, and assembly operations where consistent, high-force output is critical.
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  • FDR

Parameters with 5500kg Thrust Servo Electric Cylinder FDR135:

Series No.

FDR135

Thrust Force Range

≤5500kg

Speed Range

≤250mm/s

Screw lead / Spindle pitch

10mm/20mm

Ball screw diameter

Φ50

Piston rod diameter

Φ80

Stroke Range

≤2000mm

Precision

±0.01mm

Working Temperature

-40°C--45°C

IP Rating

IP65

Optional Motor

Servo motor, stepper motor

Motor mounting

Inline / Parallel

OEM parameters

Customized speed,stroke,output,thrust,

color,installation method.

Note: Servo motor and stepper motor could be equipped for the electric cylinder.


FDR Series Electric Cylinder Motor Mounting and Cylinder Mounting Options:

FDR135


FDR135 electric cylinder rod end option:

FDR135-2


The advantages of a Servo Electric Cylinder:

  1. Ultra-High Rigidity Structure
    Featuring a high-strength structure optimized through finite element analysis, this cylinder offers over three times the rigidity of standard electric cylinders. This ensures minimal deformation under extreme 5500kg loads, guaranteeing high positioning accuracy and repeatability under heavy pressure, which is especially critical for precision press-fitting.

  2. Exceptional Overload Capacity
    The internal transmission components (bearings, screws, support seats) are designed with a significant safety margin, capable of withstanding instantaneous shock loads of up to 300%. This greatly enhances the equipment's impact resistance and operational safety when encountering sudden resistance or jams, effectively preventing internal damage.

  3. Precision Closed-Loop Process Control
    Integrating a high-resolution encoder with servo drive technology, it not only precisely controls the thrust force but also monitors and records the "force-displacement" curve in real-time during the pressing process. This means the assembly data for every single product is traceable, meeting the most stringent quality control standards in the automotive and aerospace industries (Industry 4.0 ready).

  4. Significant Energy Savings & Minimal Maintenance
    Compared to a hydraulic system of equivalent power, it consumes electricity only during motion and almost none in standby mode, achieving comprehensive energy savings of 50% to 70%. Simultaneously, it completely eliminates hydraulic fluid, pump stations, filters, and seals, eradicating the risk of oil leaks and achieving true maintenance-free operation.

  5. Superior Flexibility for Adaptive Production
    Different pressure, speed, stroke, and pressing modes (such as dwell, fast approach, working feed) can be easily switched via software. Unlike hydraulic presses that require mold changes or valve adjustments, this is ideal for mixed-flow production lines with high product mix and low batch sizes, significantly reducing equipment changeover time.

  6. Clean, Safe, and Quiet Operation
    The operation is free from oil leaks and exhaust emissions, meeting the cleanliness requirements of food, pharmaceutical, and precision electronics workshops. Furthermore, it eliminates the continuous humming noise and pressure impact shocks associated with hydraulic systems, providing a safer and more comfortable working environment for operators.


Servo Electric Cylinder can be use of the following applications:

  • Servo Press Systems: Acts as the core actuator in servo press machines for precision press-fitting of large components such as bearings, bushings, gears, and shafts in automotive and heavy equipment assembly .

  • Automotive Manufacturing: Used for challenging applications like pressing suspension components, engine parts, and transmission assemblies where consistent 5500kg force and data traceability are required.

  • Motor and Generator Assembly: Ideal for inserting tight-tolerance components such as stators into housings or rotors onto shafts in electric vehicle and industrial motor production lines.

  • Heavy-Duty Forming and Riveting: Suitable for high-force forming, stamping, and orbital riveting operations on metal parts in the appliance and aerospace industries.

  • Large-Scale Press-Fitting: Functions as a controlled high-force actuator for press-fitting components in construction machinery, railway equipment, and shipbuilding applications.

  • Automated Assembly Lines: Serves as a precise, heavy-load actuation point in custom assembly machines and multi-axis motion platforms requiring high force and programmability

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Skype: +86-187-6845-1022 
Tel: +86-512-6657-4526 
Phone: +86-187-6845-1022 
Email: chloe@szfdr.cn 
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