TECHTONGDA SUMAI053289 Air Cooling Spindle Motor Inverter 220V ER20 300HZ 3.5KW 4.7

( Brand: Techtongda ), ( Manufacturer Part Number: SUMAI053289 ), ( Part Type: Hp Spindle Motor Inverter ), ( Rated Load: Hp ), ( Special Motor Construction: Spindle Motor ), ( Nominal Rated Input Voltage: 220 V ), ( Country Of Origin: China )

Review TECHTONGDA Used Air cooling Spindle Motor 220v 300hz 3.5kw Include Inverter 4.7 Hp

The **Techtongda Sumai053289 Air-Cooling Spindle Motor** is a high-performance, industrial-grade electric motor engineered for precision machining, CNC milling, and woodworking applications, delivering exceptional reliability and efficiency in demanding environments. Designed with a robust **220V single-phase power supply**, this motor operates at a nominal frequency of **300Hz**, making it ideal for high-speed machining tasks where speed and torque are critical. With a powerful **3.5kW (4.7 horsepower) output**, it provides ample power to drive heavy-duty cutting tools, ensuring smooth and consistent performance even under prolonged use. The **ER20 spindle interface** ensures seamless compatibility with a wide range of tooling, allowing for quick and secure attachment of collets, drills, and end mills, reducing downtime and enhancing productivity.

One of the standout features of this spindle motor is its **air-cooling system**, which efficiently dissipates heat generated during high-speed operation, preventing overheating and extending the lifespan of both the motor and the attached tools. This passive cooling mechanism eliminates the need for complex liquid cooling setups, simplifying installation and maintenance while maintaining optimal performance. The motor s **inverter-driven design** allows for precise speed control, enabling operators to adjust rotational speeds with fine granularity, which is essential for achieving superior surface finishes and maximizing tool life in applications like CNC routing, engraving, and metalworking.

Built to withstand the rigors of industrial use, the **Sumai053289** is constructed from high-quality materials, including reinforced bearings and a durable stator winding, ensuring long-term durability and minimal maintenance requirements. Its compact yet sturdy design makes it suitable for integration into both standalone and automated machining setups, while its **IP54 protection rating** provides resistance against dust and splashing, safeguarding the motor in dirty or humid workshop environments. Whether used in professional woodworking shops, metal fabrication facilities, or precision engineering labs, this spindle motor offers a perfect blend of power, precision, and reliability, making it an indispensable tool for professionals seeking high-performance cutting solutions.

### **Pros and Cons of buying a Techtongda Sumai053289 Air-Cooling Spindle Motor (220V, ER20, 300Hz, 3.5kW/4.7HP Inverter)**

#### **Pros**

1. **High Power Output (3.5kW/4.7HP)** Suitable for heavy-duty machining tasks such as milling, drilling, and grinding, making it ideal for industrial and professional use.

2. **300Hz Frequency** Allows for faster spindle speeds, improving material removal rates and efficiency in high-speed machining applications.

3. **ER20 Shaft Compatibility** Supports a wide range of tooling, including ER20 collets, which are common in CNC and milling machines, providing flexibility in tool selection.

4. **Air-Cooling Design** Eliminates the need for water cooling, reducing maintenance complexity and operational costs while still maintaining performance.

5. **Inverter-Driven** Variable speed control allows for precise adjustments to match different materials and cutting speeds, improving precision and reducing tool wear.

6. **Durable Construction** Likely built with high-quality materials to withstand continuous use in demanding environments.

7. **Compatibility with 220V Power Supply** Works well in regions where 220V is standard, avoiding the need for additional voltage conversion in many markets.

8. **Potential for Long Lifespan** Properly maintained air-cooled motors can last for years, especially in applications where water cooling is impractical.

#### **Cons**

1. **High Power Consumption** A 3.5kW motor draws significant electricity, which may increase operational costs, particularly in facilities with high energy tariffs.

2. **Noise and Vibration** High-speed spindle motors can generate noise and vibration, which may require additional soundproofing or vibration dampening in sensitive environments.

3. **Heat Management Challenges** While air-cooled, prolonged use at maximum capacity may still generate heat, potentially requiring adequate ventilation or cooling measures in enclosed spaces.

4. **Potential for Higher Maintenance** Air-cooled motors may require more frequent cleaning of air filters or cooling fins to prevent dust buildup, which can affect performance over time.

5. **Limited Availability of Spare Parts** Depending on the brand and region, finding replacement parts or technical support may be difficult compared to more established manufacturers.

6. **Initial Cost** High-power spindle motors like this one can be expensive upfront, which may be a barrier for small workshops or hobbyists.

7. **Compatibility Issues** Ensure the motor s physical dimensions, mounting, and electrical requirements align with your machine setup; improper installation can lead to performance issues or damage.

8. **Inverter Dependency** If the inverter fails, the motor may not function properly, requiring additional investment in reliable control systems.

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### **Conclusion**

The **Techtongda Sumai053289 air-cooling spindle motor** is a powerful and versatile tool well-suited for industrial machining, CNC milling, and high-speed cutting applications. Its **3.5kW power, 300Hz frequency, and inverter-driven variable speed** make it highly efficient for demanding tasks, while the **air-cooling design** simplifies maintenance compared to water-cooled alternatives. However, its **high energy consumption, potential noise, and higher upfront cost** may pose challenges depending on the user s budget, workspace, and specific application needs.

For **professional machinists, small to medium-sized workshops, or industrial setups** where power and precision are critical, this motor is a strong choice. **Hobbyists or small-scale users** with lower power requirements may find it overkill and more expensive to operate. Additionally, users should ensure **proper ventilation, compatible tooling, and reliable power supply** to maximize performance and longevity.

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### **Recommendation**

- You need a **high-performance spindle motor** for heavy-duty milling, drilling, or grinding.

- Your workspace has **adequate ventilation** to handle heat and noise.

- You operate in a **220V power environment** and have compatible tooling (ER20 collets).

- You prioritize **variable speed control** for different materials and cutting speeds.

- You are willing to invest in a **durable, long-term solution** despite higher operational costs.

- You require **lower power consumption** or operate in a **high-energy-cost region**.

- Your workspace is **small or poorly ventilated**, making heat and noise management difficult.

- You lack experience with **high-speed machining** or inverter-driven motors.

- You cannot afford the **initial cost** or potential maintenance expenses.

- If budget is a concern, explore **lower-wattage air-cooled motors** (e.g., 2.2kW 3kW) for lighter applications.

- For **water-cooled options**, brands like **HSD, NSK, or Makino** offer high-end alternatives with superior cooling and longevity.

- If **noise reduction** is critical, investigate **enclosed or sound-dampened spindle systems**.

Ultimately, this motor is best for **serious machinists and industrial users** who require reliability and performance. Always verify **specifications, compatibility, and after-sales support** before purchasing.

Details:

Hope for your understanding. Pure aluminum body, anti-oxidation and anti-corrosion, lighter weight. Thanks very much. Shipping Handling Details.

Any costs incurred because of incorrect or un deliverable address should be undertaken by buyer. Through the inverter to adjust output voltage and frequency can be achieved 0-18000 steeples. Product Presentation Details. Optional Specifications.

Spindle motor has the advantages of fast speed, small volume, lightweight, low material consumption, noise, vibration.It is widely used in wood, aluminum, metal, stone, plastic and other materials carving processing, many industries, can greatly improve processing quality accuracy. Adopt precision steel ball holder to ensure spindle rotation accuracy in high speed grinding. Matters Need Attention. Lubricating grease resistant to high temperature of 2 low noise.

The item is not included frequency converter. Product Parameters. When setting parameters, be sure that the reference frequency, frequency of three highest rated and consistency. Must match the drive spindle chosen correctly according to electric nameplate good debugging power, voltage and frequency.

Product Number voltage Power Nut Type Clamping Range, 053290 220V 2.2kw ER25 1mm-16mm, 053289 3.5kw ER20 1mm-13mm, 053288 4.5kw ER32 3mm-20mm, 053149 6.0kw 056291 7.5kw 3mm-20mm. You can make order with no worry. Product Overview. Product Features Advantages.

Aluminium Air-cooling Spindle Motor 220V ER20 300Hz 3.5KW Include Inverter. High precision bearing and pure copper coil, high machining accuracy, long service life. Set the frequency converter should be set command channel, and then display finally parameters.

part #: sumai053289 prices

• $548.02-$562.12

specifications oelemot:

• brand: Techtongda
• mpn: Sumai053289
• part type: Hp Spindle Motor Inverter
• rated load: Hp
• special motor construction: Spindle Motor
• nominal rated input voltage: 220 V
• country of origin: China

shipping oelemot:

• transit: 4-9 Days
• service: UPS Ground
• carrier: UPS
• type: Fixed
• cost: $0.00
• class: Standard

payments oelemot:

• wallet: Apple-pay
• other
• credit card: Diners-club

general oelemot:

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

offer oelemot:

• availability: In Stock
• quantity: 1
• sold: 0
• best offers: True
• options: Ship-to-home
• started: April 15, 2026

returns oelemot:

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

seller oelemot:

• # reviews: 2638
• rating: 99.0%
• city: Rancho Cucamonga, California