ORIENTAL MOTOR PK5913AHW Vexta Stepping 5-PHASE 0.72 2.8A 2.02VDC

( Brand: Oriental Motor ), ( Manufacturer Part Number: PK5913AHW ), ( Part Type: Motor ), ( Country Of Manufacture: Japan )

Review ORIENTAL MOTOR Vexta 5-phase Stepping 0.72 Degree 2.8a 2.02vdc

The **Oriental Motor PK5913AHW Vexta 5-Phase Stepping Motor** is a high-performance, precision-engineered actuator designed for demanding industrial, medical, and automation applications where reliability, efficiency, and smooth operation are paramount. Part of Oriental Motor s renowned **Vexta** series, this motor combines cutting-edge 5-phase stepping technology with a robust, compact frame size of **PK5913**, delivering exceptional torque output and positional accuracy. With a rated holding torque of **0.72 Nm (5.25 oz-in)**, this motor excels in applications requiring precise control, such as CNC machining, robotics, medical devices, and automated assembly lines, where micro-stepping resolution and minimal vibration are critical. The **2.8 A phase current** rating ensures robust power delivery, enabling the motor to handle heavy loads with ease while maintaining smooth, jerk-free motion even at high speeds. Operating at a nominal voltage of **2.02 VDC per phase**, the motor is optimized for compatibility with modern driver systems, including Oriental s advanced **Vexta drivers**, which support micro-stepping up to **1/32nd** for ultra-fine positioning control. Its **5-phase winding configuration** eliminates the cogging and resonance issues common in traditional 2-phase or 3-phase steppers, resulting in superior torque ripple reduction and quieter operation. The motor s **hybrid design** integrates permanent magnets with a precision-ground gear tooth structure, enhancing efficiency and reducing heat generation, which is particularly advantageous in applications with frequent start-stop cycles or continuous operation. Built to withstand rigorous environmental conditions, the PK5913AHW features a **durable, sealed construction** that protects internal components from dust, moisture, and contaminants, making it ideal for cleanroom environments or harsh industrial settings. Whether integrated into a high-precision positioning system, a medical imaging device, or an automated packaging solution, this motor delivers unmatched performance, longevity, and adaptability, ensuring seamless operation in even the most exacting applications.

### **Pros and Cons of buying a Oriental Motor PK5913AHW (Vexta 5-Phase Stepping Motor)**

#### **Pros**

1. **High Precision and Positioning Accuracy**

The 5-phase stepping motor offers smoother operation and finer step resolution compared to traditional 3-phase motors. This makes it ideal for applications requiring precise positioning, such as CNC machines, 3D printers, and automated assembly lines.

2. **Low Vibration and Noise**

Due to its distributed winding and balanced torque distribution, the 5-phase design reduces mechanical vibrations and operational noise, leading to quieter and more stable performance.

3. **Higher Torque at Low Speeds**

Stepping motors, including this model, provide consistent torque even at low speeds, which is beneficial for applications requiring precise control at standstill or slow movement.

4. **Durability and Reliability**

Oriental Motor is a well-established brand known for producing robust industrial motors. The PK5913AHW is designed for long-term use in demanding environments, with a robust construction that minimizes wear and tear.

5. **Compatibility with Modern Drives**

The motor is compatible with advanced stepping motor drivers, allowing for features like microstepping, which further enhances resolution and smoothness. This makes it suitable for integration with modern control systems.

6. **Low Heat Generation**

Compared to some other types of motors, stepping motors like this one generate relatively low heat, reducing the need for additional cooling systems in many applications.

7. **Maintenance-Free Operation**

Stepping motors have no brushes or commutators, which eliminates the need for regular maintenance associated with brushed motors.

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#### **Cons**

1. **Higher Initial Cost**

5-phase stepping motors are generally more expensive than standard 3-phase or 2-phase motors. The PK5913AHW s advanced design and precision contribute to its higher upfront cost.

2. **Limited Speed Range**

Stepping motors are not ideal for high-speed applications. While they perform well at low to moderate speeds, their performance degrades at very high speeds due to resonance and mechanical limitations. This may require additional gearing or speed reduction mechanisms in some cases.

3. **Requires Proper Driver Configuration**

To achieve optimal performance, the motor must be paired with a compatible driver that supports microstepping and proper current settings. Misconfiguration can lead to poor performance, overheating, or motor damage.

4. **Torque Drops at Higher Speeds**

Unlike servo motors, stepping motors experience a natural torque drop as speed increases. This limitation may require additional mechanical assistance (e.g., gears or belts) in applications requiring high-speed torque.

5. **Sensitivity to Voltage and Current Fluctuations**

Stepping motors are sensitive to power supply variations. Fluctuations in voltage or current can cause missed steps, overheating, or reduced lifespan. A stable power supply and proper driver settings are essential.

6. **Not Suitable for Continuous High-Speed Rotation**

Stepping motors are not designed for continuous high-speed rotation like AC or DC motors. They are better suited for intermittent or low-to-moderate speed applications with frequent starts and stops.

7. **Limited Availability of Replacement Parts**

While Oriental Motor is reliable, finding replacement parts or compatible drivers for older models can sometimes be challenging compared to more common motor types.

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### **Conclusion**

The **Oriental Motor PK5913AHW (Vexta 5-Phase Stepping Motor)** is an excellent choice for applications requiring **high precision, low vibration, and reliable low-to-moderate speed performance**. Its advanced 5-phase design provides smoother operation and better torque distribution than traditional stepping motors, making it ideal for CNC machines, 3D printers, robotics, and automated systems where accuracy is critical.

However, its **higher cost, limited high-speed capability, and sensitivity to driver configuration** may pose challenges depending on the specific application. If your project demands **precise positioning, low noise, and durability** without requiring extreme high-speed operation, this motor is a strong recommendation. For applications needing **continuous high-speed rotation or extreme torque at high speeds**, alternatives like servo motors or AC motors may be more suitable.

### **Recommendation**

- You need a **high-precision, low-vibration motor** for applications like CNC machining, 3D printing, or automated assembly.

- Your system requires **reliable low-to-moderate speed operation** with frequent starts and stops.

- You are willing to invest in a **high-quality, long-lasting motor** from a reputable brand.

- You have access to a **compatible driver** that supports microstepping and proper current settings.

- Your application demands **continuous high-speed rotation** (e.g., industrial conveyors, high-speed spindles).

- Budget constraints make the higher cost prohibitive, and a standard 3-phase stepping motor or servo motor would suffice.

- You lack experience with **stepping motor drivers**, as improper setup can lead to performance issues.

For most precision-driven applications where cost is not a limiting factor, the **PK5913AHW is a well-engineered and reliable choice**. Pair it with a suitable driver (such as a Vexta-compatible model) and ensure proper power supply stability for optimal results.

Details:

Shows normal signs of usage. Will there be a dock or forklift. Items in Lot: Brand: Oriental Motor.

LOCAL PICK-UP, Prefer to pick it up yourself. Model: PK5913AHW. After the return period has ended, you can no longer product.

Condition: Used. Your phone number and business name. Consignee: B. Need it urgently.

We choose the carrier. Single output shaft with flat. All goods are so AS IS' and WITH ALL FAULTS meaning, without limitation, that. Country of Manufacture: Japan.

Next Day Second Air Services are available. 0.72 per step. Weight lbs, oz: 10.

part #: pk5913ahw prices

• $374.99-$720.26

specifications oelemot:

• brand: Oriental Motor
• mpn: Pk5913ahw
• part type: Motor
• country of manufacture: Japan

shipping oelemot:

• carrier: USPS
• cost: $13.99
• transit: 3-8 Days
• service: USPS Priority Mail
• class: Expedited
• type: Fixed

returns oelemot:

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

general oelemot:

• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors
• condition: Used

seller oelemot:

• city: Middlebury, Indiana
• rating: 99.8%
• # reviews: 64071

payments oelemot:

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

offer oelemot:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: April 8, 2026
• availability: In Stock

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