1.5 kW 18000 RPM Square Air Cooled CNC Spindle Motor - 220V ER20

The 1.5 kW Square Air-Cooled Spindle Motor is a robust workhorse designed for high-speed industrial applications where precision and durability are paramount. Operating at 18,000 RPM with a 300 Hz frequency, this 220V motor is a primary choice for CNC router machines, PCB fabrication, and high-frequency bangle designing. Its square body design facilitates a more rigid and stable mount to the machine's Z-axis, effectively dampening vibrations during deep cuts or intricate engraving. Built with a high-grade P4 bearing arrangement (7005 & 7002), this spindle ensures superior rotational accuracy and extended service life, making it equally effective for automotive deburring and industrial brush manufacturing.

Powerful 1.5 kW High-Speed Motor
18000 RPM Precision Output
Stable 220V Single/Three Phase VFD Compatibility
ER20 Collet system for diverse tooling needs
High-grade 2-pole electrical construction
Square body for stable and accurate mounting

⚡ 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
POWER RATING	1.5 kW
MAX SPEED	18000 RPM
OPERATING VOLTAGE	220 V AC
RATED CURRENT	5.8 A
FREQUENCY	300 Hz
RATED TORQUE	0.91 Nm
POLE COUNT	2 Pole
COLLET INTERFACE	ER20 (1mm - 13mm)
BEARING CONFIGURATION	2 x 7005 P4 (Front), 2 x 7002 P4 (Rear)
MECHANICAL	weight: 7 Kg \| coolingType: Air Cooled \| bodyShape: Square

Industrial Applications

Usage Scenario	Target Industry
Industrial CNC Router Manufacturing	Electronics Fabrication
High-Speed PCB Routing and Drilling	Jewellery and Ornament Design
Jewellery Bangle Making and Designing	Automotive Engineering
Industrial Brush Manufacturing	Furniture and Woodworking
Automotive Component Deburring	Industrial Automation Spares
Woodworking and Signage Engraving	General Engineering

Technical FAQ & Operational Guide

What size tools can be used with the ER20 collet on this 1.5 kW spindle?

The ER20 collet interface allows you to use tool shanks ranging from 1mm up to 13mm in diameter.

Is a VFD required to run this spindle motor?

Yes, this motor requires a Variable Frequency Drive (VFD) configured for 220V and 300 Hz frequency output.

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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1.5 kW 18000 RPM Square Air Cooled CNC Spindle Motor - 220V ER20

Powerful 1.5 kW High-Speed Motor

18000 RPM Precision Output

Stable 220V Single/Three Phase VFD Compatibility

ER20 Collet system for diverse tooling needs

High-grade 2-pole electrical construction

Square body for stable and accurate mounting

⚡ 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

POWER RATING

1.5 kW

MAX SPEED

18000 RPM

OPERATING VOLTAGE

220 V AC

RATED CURRENT

5.8 A

FREQUENCY

300 Hz

RATED TORQUE

0.91 Nm

POLE COUNT

2 Pole

COLLET INTERFACE

ER20 (1mm - 13mm)

BEARING CONFIGURATION

2 x 7005 P4 (Front), 2 x 7002 P4 (Rear)

MECHANICAL

weight: 7 Kg | coolingType: Air Cooled | bodyShape: Square

Usage Scenario

Target Industry

Industrial CNC Router Manufacturing

Electronics Fabrication

High-Speed PCB Routing and Drilling

Jewellery and Ornament Design

Jewellery Bangle Making and Designing

Automotive Engineering

Industrial Brush Manufacturing

Furniture and Woodworking

Automotive Component Deburring

Industrial Automation Spares

Woodworking and Signage Engraving

General Engineering