HAYDON 35F4C-05-021 Kerk Ametek Precision Motion Linear Actuator Stepper Motor

( Brand: Haydon ), ( Manufacturer Part Number: 35F4C-05-021 ), ( Part Type: Actuator Linear Motor )

Review HAYDON Kerk Ametek Precision Motion Linear Actuator Stepper Motor

The **Haydon Kerk Ametek 35F4C-05-021** is a high-performance, precision motion linear actuator designed for demanding industrial and automation applications where reliability, smooth operation, and compact form factor are critical. This advanced stepper motor-driven actuator combines the robustness of a robust linear rail system with the precision of a high-torque, hybrid stepper motor, making it ideal for applications requiring precise positioning, repeatability, and consistent force delivery. The actuator features a **35mm lead screw** with a **0.5mm pitch**, enabling fine incremental movement with exceptional accuracy, while the **42mm diameter** provides a balanced profile for integration into tight spaces without compromising strength. Constructed from corrosion-resistant materials, including stainless steel components and sealed bearings, the 35F4C-05-021 is engineered to withstand harsh environments, including exposure to dust, moisture, and temperature fluctuations, ensuring long-term durability in manufacturing, medical equipment, laboratory automation, and robotic systems. The integrated **hybrid stepper motor** delivers smooth, jerk-free motion with minimal vibration, thanks to its advanced winding design and high torque density, while its **5-phase drive capability** enhances resolution and reduces cogging for smoother operation. With a **travel range of 21mm** (adjustable via lead screw length), this actuator offers a compact yet versatile solution for applications requiring precise linear displacement, such as valve actuation, sample handling, optical alignment, or automated assembly tasks. Its modular design allows for easy customization, including the addition of limit switches, encoders, or custom mounting brackets, while the **low-profile housing** and integrated end stops ensure seamless integration into existing machinery. Whether used in high-speed pick-and-place systems, precision measurement devices, or automated testing equipment, the Haydon Kerk Ametek 35F4C-05-021 delivers the precision, efficiency, and reliability demanded by modern industrial automation, making it a trusted choice for engineers and designers seeking a dependable linear motion solution.

The Haydon Kerk Ametek Precision Motion 35F4C-05-021 is a linear stepper motor actuator designed for precise positioning applications. 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 is engineered for high-resolution motion control, making it ideal for applications requiring exact positioning, such as laboratory equipment, semiconductor manufacturing, or automated testing systems. Its stepper motor design ensures minimal backlash and consistent performance over time.

2. **Compact and Integrated Design**

The 35F4C series is known for its compact footprint, combining the motor, lead screw, and housing into a single unit. This reduces assembly complexity and saves space in tight environments.

3. **Durable and Reliable**

Ametek (now part of **Ametek Precision Motion**) is a reputable brand with decades of experience in motion control. These actuators are built with precision components, including hardened lead screws and sealed bearings, which enhance longevity and resistance to wear.

4. **Low Maintenance Requirements**

Stepper motors eliminate the need for brushes or commutators, reducing maintenance compared to brushed DC motors or servos. The sealed design also protects internal components from dust and contaminants.

5. **Wide Operating Temperature Range**

The actuator is designed to operate reliably across a broad temperature spectrum (typically -20 C to 60 C, though exact specs should be verified), making it suitable for industrial or environmental applications.

6. **Customizable and Modular Options**

Ametek offers various configurations, including different stroke lengths, mounting styles, and integration options (e.g., encoders, limit switches). This flexibility allows users to tailor the actuator to specific needs.

7. **Quiet Operation**

Stepper motors are generally quieter than servo motors or pneumatic systems, making them preferable in noise-sensitive environments like cleanrooms or research labs.

8. **No External Power Supply for Holding Torque**

Unlike servo systems, stepper motors hold their position without additional power, which can be advantageous for applications requiring static positioning.

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### **Cons**

1. **Limited Speed and Acceleration**

Stepper motors are not designed for high-speed continuous motion. The 35F4C-05-021 has a relatively slow maximum speed (typically around 10 20 mm/s, depending on configuration) and lower acceleration capabilities compared to servo motors. This can be a limitation for high-throughput applications.

2. **Torque Drops at Higher Speeds**

Stepper motors lose torque efficiency as speed increases, which may require derating for applications requiring sustained high-speed operation. This can necessitate larger or more powerful motors than initially expected.

3. **Higher Cost Compared to Alternatives**

Precision linear actuators like this one are more expensive than basic lead screw mechanisms or pneumatic actuators. The cost reflects the integration of a stepper motor, high-precision lead screw, and robust housing. For budget-sensitive applications, alternatives like geared DC motors or cheaper stepper-based designs may be considered.

4. **Resonance and Vibration Issues**

Stepper motors can exhibit resonance at certain speeds, leading to vibrations or missed steps. This requires careful tuning of the control system (e.g., microstepping) to avoid operational problems.

5. **Power Consumption**

Stepper motors draw significant current during operation, especially when accelerating or holding position. This can lead to higher power demands and heat generation, requiring adequate cooling or power supply sizing.

6. **Limited Stroke Length Options**

While the 35F4C series offers a range of stroke lengths, very long or very short strokes may not be available off-the-shelf, potentially requiring customization or additional lead time.

7. **Sensitivity to Overloading**

Exceeding the actuator s rated load can cause missed steps, stalling, or damage to the lead screw or motor. Unlike servo systems, steppers lack feedback to automatically correct for overloads, requiring careful application matching.

8. **Integration Complexity**

While the actuator is integrated, interfacing it with a control system (e.g., PLC, motion controller) may require additional components like drivers, encoders, or limit switches, adding to system complexity.

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### **Conclusion**

The **Haydon Kerk Ametek 35F4C-05-021** is an excellent choice for applications prioritizing **precision, reliability, and low maintenance** in environments where speed is not a critical factor. Its compact design, durability, and integration with a stepper motor make it well-suited for laboratory, industrial, or automated testing applications where exact positioning is essential.

However, if the application demands **high speed, continuous motion, or high acceleration**, a servo motor-based linear actuator may be more appropriate despite higher complexity. Similarly, if cost is a major constraint, alternatives like geared DC motors or simpler stepper-based designs could be explored.

For most **low-to-moderate speed, high-precision positioning tasks**, this actuator delivers strong performance and justifies its cost. Always verify the exact specifications (e.g., speed, torque, temperature range) against your application requirements to ensure compatibility.

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### **Recommendation**

- Your application requires **precise, repeatable linear motion** with minimal backlash.

- You need a **compact, integrated solution** with low maintenance.

- The **operating speed and load** fall within the actuator s specified limits.

- Cost is not the primary concern, and the long-term reliability of the Ametek brand is important.

- You need **higher speeds or acceleration** (e.g., servo motor-based actuators).

- Your budget is tight, and simpler or lower-cost solutions (e.g., geared DC motors) suffice.

- The application involves **extreme environmental conditions** (e.g., high vibration, corrosive environments), where additional sealing or reinforcement may be required.

Details:

With the renowned Haydon brand and precision motion capabilities, this linear actuator stepper motor provides reliable efficient performance for a range of control needs. Please refer to the photos. Its model number 35F4C-05-021 indicates its specific design and functionality, making it a valuable component for various industrial automation systems.

part #: 35f4c05021 prices

• $31.98-$65.00

specifications linactuat:

• brand: Haydon
• mpn: 35f4c-05-021
• part type: Actuator Linear Motor

shipping linactuat:

• class: Standard
• service: Standard
• transit: 3-8 Days
• cost: $0.00
• type: Fixed

returns linactuat:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller
• method: Money back

seller linactuat:

• city: Garfield, New Jersey
• rating: 99.6%
• # reviews: 10398

offer linactuat:

• started: June 2, 2026
• options: Ship-to-home
• best offers: True
• quantity: 2
• sold: 0
• availability: In Stock

payments linactuat:

• other
• credit card: Mastercard
• wallet: Google-pay

general linactuat:

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

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