CNC Spindle Motor 9.0 kW, 18000 RPM, 380V Air-Cooled Square

The 9.0 kW Air-Cooled Square Spindle Motor is a heavy-duty industrial powerhouse engineered for high-throughput CNC applications requiring maximum rigidity and power. Delivering 9.0 kW of sustained performance at a peak speed of 18,000 RPM, this motor features a specialized square body architecture that provides a significantly larger mounting surface. This design drastically reduces mechanical vibration and chatter during aggressive cutting cycles, ensuring superior surface finishes on large workpieces. Operating on a robust 380V input, the spindle utilizes a high-velocity integrated air-cooling system, making it an ideal choice for environments where water-cooling infrastructure is impractical. Tailored for industrial woodworking, pattern making, and large-scale router manufacturing, this spindle delivers the torque and stability necessary for processing dense substrates with high precision and reliability.

Industrial 9.0 kW High-Power Rating for heavy-duty tasks
High-Speed 18,000 RPM for efficient material removal
Stable Square Body design for enhanced mounting rigidity
High-Efficiency Air Cooling for maintenance-free operation
Robust 380V Architecture for industrial power standards
Optimized for high-load continuous duty cycles

⚡ Quick Technical Datasheet:

Power OutputN/A

Max SpeedN/A

Voltage RatingN/A

Collet InterfaceER Standard

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Comparative Technical Spindle Motor Configurations Matrix

Use the structural data catalog matrix below to evaluate power outputs, maximum RPM, operating voltages, and cooling styles across standard TriQuench CNC spindle models.

Spindle Capacity	Operating Speed	Operating Voltage	Cooling System
12.0 kW	18,000 RPM	380 V	Water-Cooled
0.8 kW	24,000 RPM	220 V	Air-Cooled (Long Shaft)
3.7 kW	40,000 RPM	380 V	Water-Cooled ISO20
9.0 kW	18,000 RPM	380 V	Air-Cooled

Technical Specifications

Technical Parameter	Engineering Specification Value
MODEL NUMBER	A90180S380SQ
POWER RATING	9.0 kW
MAX SPEED	18000 RPM
OPERATING VOLTAGE	380 V AC
COOLING TYPE	Air Cooled (Integrated Fan)
DESIGN TYPE	Square Profile
MECHANICAL	bodyType: Heavy-Duty Square Series \| precisionGrade: Industrial Grade Certified \| applicationCompatibility: High-Power CNC Routing

Industrial Applications

Usage Scenario	Target Industry
Heavy-Duty Industrial CNC Routing	Commercial Woodworking and Cabinetry
Large-Scale Woodworking and Furniture Production	Automotive and Aerospace Tooling
Industrial Pattern Making and Foundries	Large-Format Advertising and Signage
Aerospace and Automotive Composite Milling	Industrial Machine Tool OEM
High-Volume Plastic and Aluminum Fabrication	Advanced Fabrication and Engineering Centers
Custom Industrial CNC Machine Manufacturing	General Engineering

Technical FAQ & Operational Guide

What are the advantages of the square body over a round spindle?

The square body provides a larger, flat surface for mounting, which results in superior rigidity and vibration damping. This is critical for 9.0 kW motors performing heavy-duty material removal, as it ensures better surface finish and tool life.

Does this 9.0 kW motor require a specific VFD?

Yes, this motor must be paired with a high-capacity Variable Frequency Drive (VFD) rated for at least 9.0 kW and 380V input. Using an undersized VFD will prevent the spindle from reaching its full torque and could damage the motor.

How do I maintain the air-cooling system?

The air-cooling system is designed to be low-maintenance. However, in dusty environments (like woodworking), it is essential to regularly blow out the fan intake and cooling fins with compressed air to prevent dust buildup and ensure optimal thermal regulation.

How is the rotational balancing calibrated on this spindle motor?

Every spindle motor is dynamically balanced in accordance with the ISO 1940 balancing standard to guarantee vibration-free running and maximum stability at high RPMs.

What are the runout tolerances of the shaft and collet interface?

The internal shaft taper maintains a runout accuracy tolerance of under 0.003mm (3 microns), maintaining precise tool concentricity and preventing premature cutter wear.

What cooling precautions are built-in to prevent heat exhaustion?

Built-in temperature dissipation channels support continuous water/liquid cooling circulation or forced fan airflow, preventing thermal expansion of components.

Is this spindle motor compatible with standard VFD inverters and collets?

Yes, the spindle supports direct electrical integration with standard variable frequency drives (VFD) and accepts industrial ER collets (ER11, ER20, ER25, or ER32) to match standard toolholder dimensions.

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CNC Spindle Motor 9.0 kW, 18000 RPM, 380V Air-Cooled Square

Industrial 9.0 kW High-Power Rating for heavy-duty tasks

High-Speed 18,000 RPM for efficient material removal

Stable Square Body design for enhanced mounting rigidity

High-Efficiency Air Cooling for maintenance-free operation

Robust 380V Architecture for industrial power standards

Optimized for high-load continuous duty cycles

⚡ Quick Technical Datasheet:

Power OutputN/A

Max SpeedN/A

Voltage RatingN/A

Collet InterfaceER Standard

Comparative Technical Spindle Motor Configurations Matrix

Use the structural data catalog matrix below to evaluate power outputs, maximum RPM, operating voltages, and cooling styles across standard TriQuench CNC spindle models.

Spindle Capacity	Operating Speed	Operating Voltage	Cooling System
12.0 kW	18,000 RPM	380 V	Water-Cooled
0.8 kW	24,000 RPM	220 V	Air-Cooled (Long Shaft)
3.7 kW	40,000 RPM	380 V	Water-Cooled ISO20
9.0 kW	18,000 RPM	380 V	Air-Cooled

Technical Parameter

Engineering Specification Value

MODEL NUMBER

A90180S380SQ

POWER RATING

9.0 kW

MAX SPEED

18000 RPM

OPERATING VOLTAGE

380 V AC

COOLING TYPE

Air Cooled (Integrated Fan)

DESIGN TYPE

Square Profile

MECHANICAL

bodyType: Heavy-Duty Square Series | precisionGrade: Industrial Grade Certified | applicationCompatibility: High-Power CNC Routing

Usage Scenario

Target Industry

Heavy-Duty Industrial CNC Routing

Commercial Woodworking and Cabinetry

Large-Scale Woodworking and Furniture Production

Automotive and Aerospace Tooling

Industrial Pattern Making and Foundries

Large-Format Advertising and Signage

Aerospace and Automotive Composite Milling

Industrial Machine Tool OEM

High-Volume Plastic and Aluminum Fabrication

Advanced Fabrication and Engineering Centers

Custom Industrial CNC Machine Manufacturing

General Engineering