Precision Spindle Motors for High-Speed Applications

Changzhou SL Spindle Motor Co., Ltd. is a professional manufacturer of high-speed electric spindles with advanced design, high precision, low noise, and output power from 2.2KW to 9KW. Speed range: 1000–90000 RPM.

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About Sulong Machinery

Changzhou SL Spindle Motor Co., Ltd. is a professional manufacturer of high-speed electric spindles with advanced design and manufacturing capabilities, excellent factory equipment, and strong technical expertise.

Our factory produces GDZ, GDG, and GDF series high-speed electric spindles known for high precision, high efficiency, large output power, and low noise. These spindles support frequency conversion speed regulation from 1000 to 90000 RPM and are widely used in high-speed internal and external grinding, precision engraving, CNC drilling, and milling equipment.

90,000 RPM

Max Speed

2.2–9KW

Power Range

Global

Reach

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Why Choose Sulong Machinery

We are committed to quality, reputation, and customer satisfaction. Our enterprise tenet: Quality First, Reputation-Based, Customer First.

Quality First

Every spindle motor undergoes rigorous testing to ensure high precision, durability, and consistent performance under high-speed operations.

Reputation-Based

Trusted by CNC machine builders and industrial clients worldwide for reliable, long-lasting spindle solutions.

Customer First

We offer technical support, customization options, and responsive service to meet your specific application needs.

Our Products

Explore our range of high-performance spindle motors designed for CNC routers, engraving machines, drilling, and milling applications.

65 800W Air Cooling Spindle

Ideal for light-duty CNC engraving and milling with efficient air cooling system.

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9KW Air Cooling Spindle

High-power spindle for heavy-duty CNC routing and industrial cutting applications.

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6KW Air Cooling Spindle

Balanced power and efficiency for medium to heavy CNC machining tasks.

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4.5KW Air Cooling Spindle

Versatile spindle for precision engraving and detailed milling work.

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3.5KW Air Cooling Spindle

Efficient and quiet operation for detailed CNC carving and routing.

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2.2KW Air Cooling Spindle

Compact and reliable for entry-level CNC machines and hobbyist use.

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Water Cooling Spindle

Advanced thermal management for continuous high-speed operation.

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HSD Spindle Motor

High-speed drilling spindle with precision bearings and robust construction.

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Key Features

Our spindle motors are engineered for performance, durability, and precision in industrial environments.

High Speed

Speeds up to 90,000 RPM with frequency conversion control for precise operation.

High Power Output

From 2.2KW to 9KW, suitable for a wide range of industrial applications.

Low Noise

Engineered for quiet operation, reducing workplace noise pollution.

Durable Design

Built with high-quality materials and precision engineering for long service life.

Frequently Asked Questions

What is the speed range of your spindle motors?

Our spindle motors support a speed range of 1000 to 90000 RPM with frequency conversion speed regulation.

What types of cooling systems do you offer?

We offer both air cooling and water cooling spindle motors to suit different operational needs and environments.

Are your spindles compatible with CNC routers?

Yes, our spindles are widely used in CNC routers, engraving machines, drilling, and milling equipment.

Do you offer customization?

Yes, we can customize spindle motors based on specific voltage, flange type, and shaft dimensions.

What is your enterprise tenet?

Our enterprise tenet is: Quality First, Reputation-Based, Customer First.

Contact Sulong Machinery

For inquiries, technical support, or product information, visit our official website.

Visit Official Website

+86-17826521329

+86-13401343253

sale1@prasteel.com

13401343253@163.com

No.8 Yaoluo Road, Luoyang Town, Wujin District, Changzhou 213161, China

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