Product Description

Please feel free to contact us for the latest offers.

Product Description

1. High rotation accuracy:

P4 high-speed angular contact bearings, equipped with high-precision collet nuts, can ensure the rotation accuracy of the electric spindle at high speed.
2. Good heat dissipation effect:
high-speed air cooling is used for heat dissipation, which is labor-saving and convenient. It does not need water pipes/sinks and water pumps, and it can be used directly by connecting to the inverter.
3. The grease is more lubricated:
the spindle adopts high temperature resistant grease lubricating oil that can withstand 200 degrees high temperature.
4. The product is more durable:
the body is made of high-quality stainless steel, which is smooth and not easy to rust, ensuring the stability of the spindle, CHINAMFG and durable, not easy to damage, and longer life.

Model GDZ93X82-3.5KW 18Z
Gross weight 9Kg
Collet ER25
frequency  300Hz
speed 18000r
rated power   3.5KW
voltage 220V/380v
current 15-8.8A
Cooling type Air cooling

Our Advantages


More Details



1. One-piece casing:
high-hardness alloy casing, to ensure that the electric spindle maintains a stable working environment when working, and to ensure the product’s yield.
2. High-purity copper coil:
using high-quality high-purity copper coil, the oxygen content is not more than 0.02%, the total impurity content is not more than 0.05%, the surface is smooth, no oil stains, cracks and scars.
3. Front dust cover:
can effectively isolate the internal circuit short circuit caused by the entry of dust and waste water, and extend the service life of the spindle.
4. Spindle shaft core:
high durability shaft core is made of high hardness material, after vacuum heat treatment, through internal and external circular grinding, slow wire walking, mirror discharge and other processes.


Suitable for high-speed and high-precision milling, drilling and tapping of various metal and non-metal materials. The engraving materials include acrylic organic board, PVC board, wood board, density board, marble, fireproof board, rubber board, glass and so on.

If you have other engraving usage scenarios and engraving materials, please feel free to consult us, and we will be happy to answer you.


1. The motorized spindle and the inverter should be used together. The specifications and parameter settings of the inverter should match the rated parameters of the motorized spindle. If the settings are not correct, the motorized spindle will be burned. 2. When clamping the tool on the electric spindle, the collet, nut, and inner taper hole must be cleaned to avoid affecting the accuracy. The tool holder must be greater than 15 mm when inserted into the collet.
3. The electric spindle must be preheated during daily processing. When the electric spindle reaches the processing speed, finish machining after 15-20 minutes of operation. It is advisable to stop the electric spindle for 2 hours every day to restore mechanical fatigue and prolong its service life.
4. It is strictly forbidden to knock the end cover of the electric spindle, and it is strictly forbidden to knock the collet and cutter head when unloading the tool. It is strictly forbidden to bump during transportation, storage and use, especially the shaft end.
5. The electric spindle uses air seal, and the air source must be used through an oil-water separator and a dry filter. The air pressure is 0.2-0.25MPA and the filtration accuracy is 5MM, otherwise the bearing will be damaged.

Company Profile

Lunyee Group focuses on the design, development, production and sales of industrial factory automation system solutions. Our main products include spindle motors, hub motors, AC motors, and DC motors. Spindle motors include water-cooled spindles, air-cooled spindles, and CHINAMFG spindles. This series of products are widely used in grinding machines, engraving machines, CNC drilling machines, laser engraving and advertising mini-character engraving.AC motors mainly include small AC gear motors and micro AC gear motors; DC motors mainly include brush DC motors and brushless DC motors. Our products have been exported to Europe, the United States, Russia, South Korea, Brazil, Japan, Canada and many other countries and regions.

We are very happy to serve dear customers and friends, welcome to consult at any time.


Q: Are you a trading company or a manufacturer?
A: We are a motor manufacturer in China for 15 years.


Q: How to order?

A: Send us an inquiry → receive our quotation → negotiate details → confirm samples → CHINAMFG a contract/deposit → mass production → prepare a car → balance/delivery → further cooperation


Q: How about the sample order?

A: Our company provides sample gift service. After you contact us to place the sample order, after the formal order is placed, our company will refund the sample order fee.


Q:How long does it take for delivery, production and transportation?

A: The delivery time depends on the quantity you ordered. Usually 15-25 working days.


Q: My package is missing products. what can I do?

A: Please contact our support team, we will confirm your order with the package contents. We are sorry for bringing you inconvenience.


Q: How to confirm payment?

A: Our company accepts payment by T/T and PayPal. If you need other payment methods, please contact us in advance. Our company can accept a deposit of 30%-50%, and the balance can be paid before shipment.

If you have other questions, please feel free to contact us, we are happy to help you answer.


/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Online Support
Warranty: 3 Months to 1 Year
Logo Printing: with Logo Printing
Size: Middle
Customized: Customized
Type: CNC Spindle Motor
US$ 247.67/Piece
1 Piece(Min.Order)




induction motor

Can AC motors be used in both residential and commercial settings?

Yes, AC motors can be used in both residential and commercial settings. The versatility and wide range of applications of AC motors make them suitable for various environments and purposes.

In residential settings, AC motors are commonly found in household appliances such as refrigerators, air conditioners, washing machines, fans, and pumps. These motors are designed to meet the specific requirements of residential applications, providing reliable and efficient operation for everyday tasks. For example, air conditioners utilize AC motors to drive the compressor and fan, while washing machines use AC motors for agitating and spinning the drum.

In commercial settings, AC motors are extensively used in a wide range of applications across different industries. They power machinery, equipment, and systems that are crucial for commercial operations. Some common examples include:

  • Industrial machinery and manufacturing equipment: AC motors drive conveyor belts, pumps, compressors, mixers, fans, blowers, and other machinery used in manufacturing, production, and processing facilities.
  • HVAC systems: AC motors are used in commercial heating, ventilation, and air conditioning (HVAC) systems to drive fans, blowers, and pumps for air circulation, cooling, and heating.
  • Commercial refrigeration: AC motors are utilized in commercial refrigeration systems for powering compressors, condenser fans, and evaporator fans in supermarkets, restaurants, and cold storage facilities.
  • Office equipment: AC motors are present in various office equipment such as printers, photocopiers, scanners, and ventilation systems, ensuring their proper functioning.
  • Transportation: AC motors are used in electric vehicles, trams, trains, and other forms of electric transportation systems, providing the necessary propulsion.
  • Water and wastewater treatment: AC motors power pumps, mixers, and blowers in water treatment plants, wastewater treatment plants, and pumping stations.

The adaptability, efficiency, and controllability of AC motors make them suitable for a wide range of residential and commercial applications. Whether it’s powering household appliances or driving industrial machinery, AC motors play a vital role in meeting the diverse needs of both residential and commercial settings.

induction motor

Where can individuals or businesses find reliable information on selecting, installing, and maintaining AC motors?

When seeking information on selecting, installing, and maintaining AC motors, individuals and businesses can refer to various reliable sources. These sources provide valuable guidance, recommendations, and best practices related to AC motors. Here are some places where one can find reliable information:

  • Manufacturer’s Documentation: AC motor manufacturers often provide detailed documentation, including product catalogs, technical specifications, installation guides, and maintenance manuals. These documents offer specific information about their motors, such as performance characteristics, electrical requirements, mounting instructions, and recommended maintenance procedures. Manufacturers’ websites are a common source for accessing these resources.
  • Industry Associations: Industry associations related to electrical engineering, motor manufacturing, or specific applications (e.g., HVAC, pumps, or industrial machinery) can be excellent resources for reliable information. These associations often publish technical articles, guidelines, and standards that cover a wide range of topics, including motor selection, installation practices, efficiency standards, and maintenance recommendations. Examples of such associations include the National Electrical Manufacturers Association (NEMA), the Institute of Electrical and Electronics Engineers (IEEE), and the Air Conditioning, Heating, and Refrigeration Institute (AHRI).
  • Professional Electricians and Engineers: Consulting with professional electricians or electrical engineers who specialize in motor applications can provide valuable insights. These professionals possess practical knowledge and experience in selecting, installing, and maintaining AC motors. They can offer personalized advice based on specific project requirements and industry best practices.
  • Energy Efficiency Programs and Agencies: Energy efficiency programs and agencies, such as government departments, utility companies, or environmental organizations, often provide resources and guidance on energy-efficient motor selection and operation. These programs may offer information on motor efficiency standards, rebate programs for high-efficiency motors, and energy-saving practices. Examples include the U.S. Department of Energy (DOE) and its Energy Star program.
  • Online Technical Forums and Communities: Online forums and communities focused on electrical engineering, motor applications, or specific industries can be valuable sources of information. Participating in these forums allows individuals and businesses to interact with experts, discuss motor-related topics, and seek advice from professionals and enthusiasts who have firsthand experience with AC motors.
  • Books and Publications: Books and technical publications dedicated to electrical engineering, motor technology, or specific applications can provide comprehensive information on AC motors. These resources cover topics ranging from motor theory and design principles to practical installation techniques and maintenance procedures. Libraries, bookstores, and online retailers offer a wide selection of relevant publications.

When accessing information from these sources, it is important to ensure that the information is up-to-date, reliable, and relevant to the specific application or requirements. Consulting multiple sources and cross-referencing information can help verify accuracy and establish a well-rounded understanding of AC motor selection, installation, and maintenance.

induction motor

What is an AC motor, and how does it differ from a DC motor?

An AC motor, also known as an alternating current motor, is a type of electric motor that operates on alternating current. It converts electrical energy into mechanical energy through the interaction of magnetic fields. AC motors are widely used in various applications, ranging from household appliances to industrial machinery. Here’s a detailed explanation of what an AC motor is and how it differs from a DC motor:

AC Motor:

An AC motor consists of two main components: the stator and the rotor. The stator is the stationary part of the motor and contains the stator windings. These windings are typically made of copper wire and are arranged in specific configurations to create a rotating magnetic field when energized by an alternating current. The rotor, on the other hand, is the rotating part of the motor and is typically made of laminated steel cores with conducting bars or coils. The rotor windings are connected to a shaft, and their interaction with the rotating magnetic field produced by the stator causes the rotor to rotate.

The operation of an AC motor is based on the principles of electromagnetic induction. When the stator windings are energized with an AC power supply, the changing magnetic field induces a voltage in the rotor windings, which in turn creates a magnetic field. The interaction between the rotating magnetic field of the stator and the magnetic field of the rotor produces a torque, causing the rotor to rotate. The speed of rotation depends on the frequency of the AC power supply and the number of poles in the motor.

DC Motor:

A DC motor, also known as a direct current motor, operates on direct current. Unlike an AC motor, which relies on the interaction of magnetic fields to generate torque, a DC motor uses the principle of commutation to produce rotational motion. A DC motor consists of a stator and a rotor, similar to an AC motor. The stator contains the stator windings, while the rotor consists of a rotating armature with coils or permanent magnets.

In a DC motor, when a direct current is applied to the stator windings, a magnetic field is created. The rotor, either through the use of brushes and a commutator or electronic commutation, aligns itself with the magnetic field and begins to rotate. The direction of the current in the rotor windings is continuously reversed to ensure continuous rotation. The speed of a DC motor can be controlled by adjusting the voltage applied to the motor or by using electronic speed control methods.


The main differences between AC motors and DC motors are as follows:

  • Power Source: AC motors operate on alternating current, which is the standard power supply in most residential and commercial buildings. DC motors, on the other hand, require direct current and typically require a power supply that converts AC to DC.
  • Construction: AC motors and DC motors have similar construction with stators and rotors, but the design and arrangement of the windings differ. AC motors generally have three-phase windings, while DC motors can have either armature windings or permanent magnets.
  • Speed Control: AC motors typically operate at fixed speeds determined by the frequency of the power supply and the number of poles. DC motors, on the other hand, offer more flexibility in speed control and can be easily adjusted over a wide range of speeds.
  • Efficiency: AC motors are generally more efficient than DC motors. AC motors can achieve higher power densities and are often more suitable for high-power applications. DC motors, however, offer better speed control and are commonly used in applications that require precise speed regulation.
  • Applications: AC motors are widely used in applications such as industrial machinery, HVAC systems, pumps, and compressors. DC motors find applications in robotics, electric vehicles, computer disk drives, and small appliances.

In conclusion, AC motors and DC motors differ in their power source, construction, speed control, efficiency, and applications. AC motors rely on the interaction of magnetic fields and operate on alternating current, while DC motors use commutation and operate on direct current. Each type of motor has its advantages and is suited for different applications based on factors such as power requirements, speed control needs, and efficiency considerations.

China OEM High Quality Electric AC Spindle Motor for Gold Mining Machine/CNC Machining/Spindle   vacuum pump brakesChina OEM High Quality Electric AC Spindle Motor for Gold Mining Machine/CNC Machining/Spindle   vacuum pump brakes
editor by CX 2024-05-14