HQD 3.5kW ER25 Air-Cooled CNC Spindle Motor

The HQD GDF53-18Z/3.5 is a high-performance 3.5kW air-cooled CNC spindle motor designed for professional CNC routers, woodworking machines, engraving equipment, and industrial automation applications. Featuring a robust square-body design, ER20 collet system, and high-speed operation up to 18,000 RPM, this spindle delivers exceptional cutting accuracy, smooth performance, and long-term reliability. Its advanced air-cooling system eliminates the need for a water pump and cooling tank, reducing maintenance requirements while providing efficient heat dissipation during continuous operation. The ER20 collet interface supports a wide range of cutting tools, making it ideal for woodworking, acrylic processing, plastic machining, and light metal engraving. Built with high-precision bearings and premium components, the GDF53-18Z/3.5 ensures low vibration, stable performance, and excellent surface finish quality even during demanding machining operations. Key Features: Model: HQD GDF53-18Z/3.5 Rated Power: 3.5kW Cooling Type: Air-Cooled Maximum Speed: 18,000 RPM Collet Type: ER20 Voltage: 220V / 380V Frequency: 300Hz High-precision bearing system Low vibration and low noise operation Durable square-body construction Suitable for continuous industrial use Easy installation and maintenance-free cooling system Applications: CNC Router Machines Woodworking Machinery MDF & Plywood Cutting Acrylic & Plastic Engraving Furniture Manufacturing Sign Making PVC Processing Light Aluminum Machining Industrial Engraving Systems Benefits: Powerful and stable cutting performance No external water-cooling system required Improved machining accuracy and finish quality Reliable operation for long production cycles Compatible with a wide range of ER20 tooling Reduced maintenance costs