CNC ATC Spindle Motor 5.5 kW, 18000 RPM, 380V BT30 High Precision

The 5.5 kW ATC Spindle Motor is a high-performance industrial solution engineered for precision CNC machining centers that require rapid tool transitions and exceptional rotational stability. Delivering 5.5 kW of balanced power at a peak speed of 18,000 RPM, this motor is optimized for medium-to-heavy duty milling and drilling tasks. The integrated BT30 spindle architecture provides superior tool retention rigidity and enables seamless integration with Automatic Tool Change (ATC) systems, significantly enhancing production efficiency. With a robust 380V input and a continuous-duty water-cooling jacket, this spindle maintains optimal thermal management during high-frequency operation. It is the ideal choice for industrial fabricators looking for a reliable, high-precision motor capable of handling complex automated tool paths across various dense substrates.

Industrial 5.5 kW Power for precision machining
High-Speed 18,000 RPM performance capability
Standard BT30 Spindle interface for industrial rigidity
Automatic Tool Change (ATC) compatibility for high efficiency
Continuous Duty Water Cooling for thermal stability
Optimized for high-accuracy industrial CNC tasks

⚡ 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	W55180R380BT30
POWER RATING	5.5 kW
MAX SPEED	18000 RPM
OPERATING VOLTAGE	380 V AC
TOOL INTERFACE	BT30
MECHANICAL	coolingType: Water Cooled \| bodyType: High Precision ATC Series \| automationReady: ATC Integrated

Industrial Applications

Usage Scenario	Target Industry
Automated Industrial CNC Machining Centers	Machine Tool Manufacturing
High-Precision Metal Milling and Drilling	Precision Engineering and Tooling
Advanced Woodworking and Furniture Production	Automotive and Aviation Components
Aerospace and Automotive Component Machining	Industrial Furniture Manufacturing
Composite and Aluminum Profile Fabrication	General Industrial CNC Fabrication
Die and Mold Making Operations	General Engineering

Technical FAQ & Operational Guide

What is the benefit of the BT30 interface on a 5.5kW spindle?

The BT30 interface is a globally recognized industrial standard that provides excellent clamping rigidity and rotational accuracy. It is significantly more robust than collet-based systems, allowing for higher material removal rates and the use of a wider variety of industrial milling and drilling tools.

Is this spindle compatible with any ATC system?

Yes, this motor is designed with the mechanical architecture required for Automatic Tool Change (ATC) systems. It features the necessary drawbar mechanism to interact with tool carousels or linear changers typically found in high-end VMCs.

Why is water cooling recommended for this 5.5kW model?

At 18,000 RPM, high-power spindles generate considerable heat from both friction and electrical frequency. Water cooling provides the most efficient and consistent thermal regulation, ensuring that the P4-grade bearings and motor windings stay within safe operating temperatures during long production cycles.

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 ATC Spindle Motor 5.5 kW, 18000 RPM, 380V BT30 High Precision

Industrial 5.5 kW Power for precision machining

High-Speed 18,000 RPM performance capability

Standard BT30 Spindle interface for industrial rigidity

Automatic Tool Change (ATC) compatibility for high efficiency

Continuous Duty Water Cooling for thermal stability

Optimized for high-accuracy industrial CNC tasks

⚡ 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

W55180R380BT30

POWER RATING

5.5 kW

MAX SPEED

18000 RPM

OPERATING VOLTAGE

380 V AC

TOOL INTERFACE

BT30

MECHANICAL

coolingType: Water Cooled | bodyType: High Precision ATC Series | automationReady: ATC Integrated

Usage Scenario

Target Industry

Automated Industrial CNC Machining Centers

Machine Tool Manufacturing

High-Precision Metal Milling and Drilling

Precision Engineering and Tooling

Advanced Woodworking and Furniture Production

Automotive and Aviation Components

Aerospace and Automotive Component Machining

Industrial Furniture Manufacturing

Composite and Aluminum Profile Fabrication

General Industrial CNC Fabrication

Die and Mold Making Operations

General Engineering