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TOL-O-MATIC Axidyne Ball Screw Linear Actuator 4IN Nema

05100739sk4 Tol-o-matic 05100739 Sk4 Axidyne Ball Screw Linear Actuator 4in Stroke Nema 23

( Brand: Tol-o-matic ), ( Manufacturer Part Number: 05100739SK4 ), ( Part Type: Actuator Screw Linear ), ( Stroke Length: 100mm )

Review TOL O MATIC 05100739 Sk4 Axidyne Ball Screw Linear Actuator 4in Stroke Nema

The **Tol-O-Matic 05100739SK4 Axidyne Ball Screw Linear Actuator (Nema 23, 4-inch stroke)** is a high-performance, precision-engineered linear motion system designed for demanding industrial, automation, and CNC applications where reliability, smooth operation, and repeatability are critical. This robust actuator combines Tol-O-Matic s renowned ball screw technology with a compact yet durable Nema 23 motor, delivering exceptional torque, efficiency, and longevity. The **4-inch stroke length** provides ample travel for a wide range of applications, from simple positioning tasks to complex indexing and clamping operations, while the **Axidyne ball screw drive** ensures minimal backlash, high rigidity, and smooth, vibration-free motion even at high speeds. Built with a **precision-ground ball screw** and recirculating ball nuts, this actuator minimizes friction and wear, reducing maintenance requirements and extending operational life. The **Nema 23 motor**, a standard size in automation, integrates seamlessly with most motion control systems, offering high torque output (up to 100 oz-in or higher, depending on configuration) for efficient force application. The actuator s **stainless steel ball screw** and hardened components resist corrosion and wear, making it suitable for both cleanroom and harsh industrial environments. Its **compact yet sturdy housing** is designed for easy integration into existing machinery, with mounting options that accommodate various flange or baseplate configurations. Whether used in CNC routers, automated assembly lines, medical devices, or laboratory equipment, this actuator delivers **consistent, repeatable motion** with minimal energy loss, thanks to its **high-efficiency ball screw mechanism**. Additionally, the **low-friction design** reduces heat generation, further enhancing reliability in continuous operation. Ideal for applications requiring **high precision, durability, and quiet performance**, the Tol-O-Matic 05100739SK4 is a versatile choice for engineers and designers seeking a dependable linear motion solution without compromising on performance.

### **Pros and Cons of buying a Tol-O-Matic 05100739SK4 Axidyne Ball Screw Linear Actuator (4" Nema 23)**

#### **Pros**

1. **High Precision and Accuracy**

The Axidyne ball screw mechanism provides smooth, repeatable motion with minimal backlash, making it ideal for applications requiring precise positioning, such as CNC machines, 3D printers, or automated systems.

2. **Durability and Longevity**

Tol-O-Matic is a well-established brand known for robust, high-quality linear actuators. The ball screw design reduces wear compared to lead screws, extending the lifespan of the component under heavy loads or frequent use.

3. **High Load Capacity**

With a 4-inch stroke and a Nema 23 motor (likely capable of handling significant torque), this actuator can support substantial payloads, making it suitable for industrial or heavy-duty applications.

4. **Compatibility with Stepper Motors**

The Nema 23 motor interface allows for precise control via stepper drivers, enabling smooth acceleration, deceleration, and micro-stepping for fine adjustments.

5. **Modular and Customizable**

The design allows for easy integration into existing systems, and the ball screw can be paired with various end-of-stroke options (e.g., buffers, limit switches) for added functionality.

6. **Low Friction and Energy Efficiency**

Ball screws reduce friction compared to other linear motion systems, leading to lower power consumption and less heat generation during operation.

7. **Backlash-Free Operation**

Unlike lead screws, ball screws maintain consistent positioning without lost motion, which is critical for applications requiring tight tolerances.

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#### **Cons**

1. **Higher Cost**

Compared to simpler linear actuators or lead screw mechanisms, ball screw actuators are more expensive due to their precision manufacturing and materials.

2. **Maintenance Requirements**

While durable, ball screws require periodic lubrication to prevent wear and ensure smooth operation. Neglecting maintenance can lead to premature failure.

3. **Sensitivity to Misalignment**

Improper installation or misalignment can cause excessive stress on the ball screw, leading to premature wear or failure. Alignment must be carefully managed during setup.

4. **Limited Stroke Adjustability**

The 4-inch stroke is fixed, so if your application requires a different range, you may need to source a different model or modify the system.

5. **Potential for Stiction**

In some cases, especially with prolonged inactivity, ball screws can develop stiction (static friction), requiring occasional movement to prevent binding.

6. **Higher Initial Setup Complexity**

Integrating a ball screw actuator may require additional mounting hardware, alignment tools, and possibly custom brackets, adding to the installation time and effort.

7. **Noise Levels**

While generally quiet, ball screws can produce slight operational noise, which may be a consideration in noise-sensitive environments.

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### **Conclusion**

The **Tol-O-Matic 05100739SK4 Axidyne Ball Screw Linear Actuator (4" Nema 23)** is an excellent choice for applications demanding **high precision, durability, and repeatability**, such as CNC machines, automated manufacturing, or high-end 3D printers. Its **low backlash, high load capacity, and compatibility with stepper motors** make it a superior option over lead screws or simpler actuators in performance-critical scenarios.

However, the **higher cost, maintenance needs, and sensitivity to installation** may make it less ideal for **budget-conscious or low-tolerance applications**. If your project requires **minimal friction, long-term reliability, and fine positioning**, this actuator is a strong recommendation. For **cost-sensitive or low-load applications**, alternatives like lead screw actuators or belt-driven systems might be more practical.

### **Recommendation**

**Buy this actuator if:**

- You need **precision motion** (e.g., CNC, robotics, automated assembly).

- Your application involves **heavy loads or frequent use**.

- You can justify the **higher upfront cost** for long-term reliability.

- You are willing to **maintain it properly** (lubrication, alignment checks).

**Consider alternatives if:**

- Your budget is **limited**, and a simpler actuator suffices.

- Your application does **not require sub-millimeter precision**.

- You lack the **expertise or time** for precise installation and maintenance.

For most **high-end motion control applications**, this Tol-O-Matic actuator is a **solid, high-quality investment**. However, weigh the pros and cons against your specific requirements before purchasing.

Details:

Screw length : 260mm. If you do not have an account No Worries. Motor Frame: NEMA 23. Specifications: model #: 05100739 SK4.

Carriage length : 120mm. TOL-O-MATIC Linear Ball Screw Actuator for Axidyne System. This is a surplus item.

part #: 05100739sk4 price

  • $250.00

specifications linactuat:

  • brand: Tol-o-matic
  • mpn: 05100739sk4
  • part type: Actuator Screw Linear
  • stroke length: 100mm

general linactuat:

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

seller linactuat:

  • # reviews: 45022
  • city: Osseo, Minnesota
  • rating: 100.0%

returns linactuat:

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

offer linactuat:

  • quantity: 2
  • started: April 13, 2026
  • best offers: True
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

shipping linactuat:

  • transit: 2-4 Days
  • type: Calculated
  • carrier: UPS
  • cost: $0.00
  • service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
  • class: Standard, Expedited, One-day

payments linactuat:

  • wallet: Apple-pay
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  • credit card: Diners-club
part type: actuator screw linear, stroke length: 100mm,
category: business & industrial > industrial automation motion controls > rotary linear motion > linear actuators, sku: 14390424079135633,
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1 offer $250.00 USD
  • Used. Offer #1 priced at $250.00 + $0.00 shipping estimate = $250.00* total. If you do not have an account No Worries! 9472 Hemlock Lane N. Model # : 05100739 SK4.FREE SHIPPING

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