PARKER S57-102-MO Linear Actuator Travel Table Compumotor X6

( Brand: Parker ), ( Manufacturer Part Number: S57-102-MO ), ( Part Type: Actuator Linear Table )

Review PARKER Linear Actuator Inch Travel X6 Table Compumotor

The **Compumotor Parker S57-102-MO Linear Actuator** is a high-performance, precision-engineered motion control solution designed for demanding industrial, laboratory, and automation applications where reliability, accuracy, and repeatability are paramount. Part of Compumotor s renowned S-Series of brushless DC servo motors, this compact yet robust linear actuator combines seamless integration with Parker s advanced motion control systems to deliver unmatched positional precision over a travel distance of **6 inches (152.4 mm)**. Built with a **2-phase brushless DC motor** paired with a high-efficiency **ball screw drive mechanism**, the S57-102-MO ensures smooth, vibration-free linear motion with minimal backlash, making it ideal for applications requiring fine positioning, such as CNC machining, medical instrumentation, semiconductor handling, or automated assembly lines. The actuator s **MO (Motor Only) configuration** allows for customization with optional lead screws, couplings, or mounting hardware, providing engineers the flexibility to tailor the system to specific load requirements, speed profiles, and environmental conditions.

The core of this actuator is its **high-torque, low-inertia brushless motor**, which operates with exceptional efficiency across a wide speed range, reducing energy consumption while maintaining consistent performance under varying loads. The motor s **closed-loop feedback system**, typically paired with an incremental or absolute encoder (available as an accessory), ensures real-time position tracking with sub-micron resolution, enabling precise synchronization with other motion axes in multi-axis systems. The **ball screw drive**, featuring recirculating ball bearings, minimizes friction and wear while maximizing mechanical efficiency, allowing for extended operational lifespans even under continuous use. Additionally, the actuator s **compact and modular design** facilitates easy integration into existing machinery, with standard mounting interfaces such as **Parker s S-Series flanged or through-hole configurations**, ensuring compatibility with a wide range of mounting surfaces.

For applications demanding **high-speed acceleration and deceleration**, the S57-102-MO excels with its **dynamic response capabilities**, thanks to its optimized motor windings and high-speed encoder feedback. The actuator s **sealed housing** and **IP65-rated protection** make it suitable for operation in dusty, dirty, or mildly corrosive environments, while its **low-noise operation** ensures quiet performance in sensitive applications like laboratory automation or precision metrology. Whether used in **automated material handling, optical alignment systems, or high-precision machining**, this actuator delivers the **repeatability, speed, and reliability** required to meet the most exacting industrial standards. When paired with Parker s **ServoPac motion controllers** or third-party PLCs via **Parker s ServoLink or EtherCAT interfaces**, the S57-102-MO becomes a versatile component in fully automated systems, offering seamless communication, advanced motion profiling, and easy integration into larger control architectures.

**Overview of the Parker S57-102-MO Linear Actuator (Travel x6 Table Compumotor)**

The Parker S57-102-MO is a compact, brushless DC linear actuator designed for precise motion control in applications like automated tables, CNC systems, or industrial machinery. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Precision and Repeatability**

The actuator uses a brushless DC motor paired with a high-resolution encoder (likely 10,000 counts per revolution), ensuring accurate positioning and repeatability within micrometers. This is critical for applications requiring fine control, such as automated assembly or material handling tables.

2. **Compact and Lightweight Design**

The S57 series is known for its small footprint, making it ideal for installations where space is limited. Its lightweight construction reduces inertia, allowing for faster acceleration and deceleration without excessive power demands.

3. **Integrated Feedback System**

The built-in encoder provides real-time position feedback, enabling closed-loop control. This eliminates the need for external sensors and simplifies system integration, particularly when paired with Parker s Compumotor drives (e.g., the C200 series), which offer advanced motion control features like velocity and torque profiling.

4. **High Efficiency and Low Heat Generation**

Brushless DC motors are inherently efficient, with minimal heat dissipation compared to brushed motors or hydraulic actuators. This reduces the need for cooling systems and extends the lifespan of the actuator.

5. **Modular and Easy to Integrate**

The S57 series is designed for plug-and-play compatibility with Parker s Compumotor drives and controllers. The MO variant (likely "Motion Only") simplifies wiring by integrating the motor and encoder into a single unit, reducing assembly complexity.

6. **Durability and Reliability**

Parker actuators are built for industrial environments, with sealed housings to protect against dust, moisture, and contaminants. The absence of brushes also reduces wear and tear, leading to longer operational life with minimal maintenance.

7. **Smooth and Quiet Operation**

Brushless motors operate quietly and produce minimal vibration, which is advantageous in applications where noise or mechanical stress could be problematic (e.g., medical equipment or precision manufacturing).

8. **Scalability**

The S57 series is part of a larger family of actuators, allowing for easy scaling of travel distances (e.g., 102 mm in this case) or force requirements by selecting different models. This flexibility is useful for customizing solutions without redesigning the entire system.

9. **Energy Efficiency**

The actuator s efficiency translates to lower power consumption, which can reduce operational costs, especially in applications running continuously or for extended periods.

10. **Support for Advanced Motion Profiles**

When paired with a Compumotor drive, the actuator supports sophisticated motion profiles (e.g., S-curve acceleration/deceleration, jerk control, and trajectory planning). This enhances performance in dynamic applications, such as rapid indexing or smooth material transport.

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### **Cons**

1. **Higher Upfront Cost**

Parker actuators, particularly those with integrated feedback and high precision, are more expensive than basic linear actuators (e.g., lead screw or pneumatic actuators). The cost may be prohibitive for low-budget or non-critical applications.

2. **Limited Travel Distance**

The S57-102-MO has a fixed travel of 102 mm, which may be insufficient for applications requiring longer strokes. While Parker offers other models with extended travel (e.g., 200 mm or more), these typically come with trade-offs in speed, force, or cost.

3. **Dependence on External Drive and Controller**

The actuator requires a compatible drive (e.g., Compumotor C200) and controller to function optimally. This adds complexity and cost to the system, as users may need to invest in additional hardware and programming expertise.

4. **Potential for Overkill in Simple Applications**

For basic linear motion tasks (e.g., opening/closing a gate with no precision requirements), a simpler and cheaper solution such as a pneumatic cylinder or a basic servo-driven lead screw may suffice. The S57 s advanced features may not be justified for such applications.

5. **Maintenance Requirements**

While brushless motors require less maintenance than brushed motors, they are not completely maintenance-free. Periodic checks for wiring integrity, encoder calibration, and drive firmware updates may be necessary to ensure optimal performance.

6. **Learning Curve for Programming**

Leveraging the full capabilities of the actuator (e.g., advanced motion profiles) requires familiarity with motion control software and programming. Users without experience in PLCs or motion control systems may find setup challenging.

7. **Limited Force Output for Heavy Loads**

The S57-102-MO is designed for moderate loads (typically up to a few hundred Newtons, depending on the specific variant). For applications requiring high force (e.g., pressing, clamping, or heavy material handling), a larger actuator or additional mechanical assistance (e.g., a ball screw or hydraulic boost) may be needed.

8. **Compatibility Issues with Non-Parker Systems**

While Parker s ecosystem is robust, integrating the S57 with non-Parker drives or controllers may require additional interfaces or adapters, adding complexity and potential compatibility risks.

9. **Sensitivity to Environmental Factors**

Although the actuator is sealed, extreme temperatures, humidity, or exposure to chemicals could still affect performance over time. Proper environmental safeguards (e.g., enclosures, filters) may be necessary in harsh conditions.

10. **Lead Times and Availability**

Parker actuators, especially high-precision models, may have longer lead times compared to off-the-shelf components. This could delay project timelines, particularly for custom or high-demand applications.

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### **Conclusion**

The Parker S57-102-MO linear actuator is an excellent choice for applications requiring **high precision, compact design, and smooth operation** in controlled environments. Its brushless DC motor, integrated encoder, and compatibility with Compumotor drives make it ideal for automated tables, CNC systems, or any application where fine positional control is critical. The actuator s efficiency, durability, and modularity further enhance its appeal for industrial and semi-industrial settings.

However, the **higher cost, limited travel distance, and dependency on external drives** may make it less suitable for budget-conscious projects or applications with simple motion requirements. Additionally, users without experience in motion control may face challenges in setup and programming.

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### **Recommendation**

- Your application demands **high precision, repeatability, and smooth motion** (e.g., automated material handling, CNC indexing, or precision assembly).

- You are working within a **Parker ecosystem** (or can easily integrate with Compumotor drives) and prioritize long-term reliability and low maintenance.

- Space constraints require a **compact solution**, and the 102 mm travel is sufficient for your needs.

- You can justify the **upfront cost** based on the actuator s performance benefits and operational efficiency.

- Your budget is tight, and a **simpler or cheaper actuator** (e.g., a lead screw-driven servo motor or a pneumatic cylinder) can meet your basic motion requirements.

- You need **longer travel distances** or **higher force output**, as the S57 may not scale adequately without compromising performance.

- Your team lacks experience with **motion control programming**, and you may struggle with setup or troubleshooting.

- The application is **highly dynamic or exposed to harsh environments**, where additional safeguards (e.g., enclosures, cooling) would be necessary.

If you proceed with the S57-102-MO, pair it with a **Compumotor C200 drive** and ensure your system includes proper power supplies, cooling (if needed), and a robust control interface. For non-critical or simpler applications, explore Parker s other actuator series (e.g., S57 with shorter travel or higher force variants) or consider alternatives like **servo-driven linear rails** or **pneumatic actuators** to balance cost and performance.

Details:

Parker Linear Actuator Approximately 7 of Travel 6 x6 Table Motor: Compumotor S57-102-MO condition: Used Surplus D2401904-10 E8C1.

part #: s57102 prices

• $299.99-$659.95

specifications linactuat:

• brand: Parker
• mpn: S57-102-mo
• part type: Actuator Linear Table

seller linactuat:

• # reviews: 1863
• rating: 100.0%
• city: Holly Hill, South Carolina

offer linactuat:

• started: June 8, 2026
• availability: In Stock
• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1

shipping linactuat:

• transit: 3-9 Days
• service: FedEx Ground Economy, UPS Ground
• cost: $30.22
• type: Calculated
• class: Economy, Standard
• carrier: FedEx, UPS

general linactuat:

• condition: Used
• Industrial Automation Motion Controls > Rotary Linear Motion > Linear Actuators

returns linactuat:

• policy: No Returns

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