HQD Water Cooled Spindle

The HQD Water Cooled Spindle is a high-speed spindle device that uses a circulating water cooling system to control heat generated during rotation. In CNC engraving and CNC milling work, spindle temperature directly affects machining stability, tool life, and surface consistency. A water cooled spindle helps reduce heat buildup by sending cooling water through internal channels and carrying heat away through the circulation system.

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Product Introduction

The HQD Water Cooled Spindle mainly includes the spindle body, motor, and cooling system. The spindle body is the core machining component, supporting tool rotation and machining rigidity. The motor provides rotational power for cutting, engraving, and milling. The cooling system is the key feature of this product type: cooling water circulates through the spindle, absorbs heat, and helps maintain a more stable working temperature.

Compared with basic spindle configurations used for short or light-duty processing, this CNC router spindle is more suitable for users who need continuous operation, stable rotation, and better heat control. It can be used as a spindle motor for CNC router equipment, engraving machines, milling machines, and related CNC machine systems.

Product Specification

Technical Point	Provided Specification	Buyer Benefit
Cooling Method	Water-cooling	Helps remove spindle heat during high-speed operation and supports longer continuous machining
Power Options	800W, 1.5KW, 2.2KW, 3.2KW, 4.5KW, 5.5KW	Allows buyers to select a suitable CNC spindle motor according to machine size and cutting load
Rated Speed	24000rpm	Supports high-speed engraving, routing, and milling applications
Frequency	400Hz / 0–400Hz	Suitable for variable-frequency spindle operation
Collet Nut Options	ER11, ER20, ER25	Supports different tool holding requirements across light, medium, and heavier CNC router applications
Lubrication Method	High-speed, high-temperature grease lubrication	Supports spindle operation under high-speed working conditions
Style / Size Options	Short style and long style shown for 800W; multiple body diameters shown across models	Helps match replacement, upgrade, and machine assembly requirements
Application Fit	CNC engraving machines, CNC milling machines, CNC router equipment	Suitable for high-precision and high-load processing environments

Product Features

Water Cooling for Stable Operation

Circulating water cooling helps control spindle temperature during long-time high-speed operation.

24000rpm High Speed

The 24000rpm speed supports CNC routing, engraving, and milling with smooth cutting performance.

Multiple Power Options

Available in 800W, 1.5KW, 2.2KW, 3.2KW, 4.5KW, and 5.5KW to match different CNC machine loads.

ER11 / ER20 / ER25 Collet Options

Different collet options support various tool sizes and machining needs.

Suitable for Continuous CNC Work

Water cooling makes it suitable for long-time engraving, milling, and routing applications.

Easy Model Selection for B2B Buyers

Different styles, power levels, and collet options help buyers choose models for replacement, machine assembly, or spare parts supply.

Product Application

Water-cooled spindles are widely used in CNC routing, engraving, milling, and other precision machining equipment where stable high-speed rotation and effective temperature control are required. By adopting a circulating water cooling system, the spindle helps remove heat generated during continuous operation, supporting consistent machining performance and accuracy.

Thanks to their stable cooling performance, high-speed operation, and strong adaptability, HQD water cooled spindles are well suited for CNC router machines, CNC engraving machines, woodworking equipment, and light milling applications. Whether used in new machine assembly, spindle replacement, or equipment upgrades, water-cooled spindles provide a practical solution for efficient and precise CNC machining.

Stable air-cooled spindle operation
Integrated motor bearing structure
ISO standard spindle interface
Reliable CNC machining performance

Packing, Storage, Handling and Transportation

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