What is a Auto Tool Change Spindle?

An Auto Tool Change Spindle is a high-performance spindle integrated with an automatic tool-changing system. It is widely used in CNC machines to switch between different cutting tools without operator intervention. This spindle uses a tool-holding mechanism (such as HSK, ISO, or BT) and works with an automatic tool changer (ATC) system to enhance machining speed and precision. We offer an (ATC Spindle) Automatic Tool Changer Spindle suitable for a wide range of machining operations on wood, plastic, aluminum, brass, steel, etc.

Why Do We Need a Manual Tool Change Spindle?

An Auto Tool Change (ATC) Spindle is essential for modern CNC machining because it significantly improves efficiency, precision, and productivity. It eliminates the need for manual tool changes, reducing downtime and increasing automation in machining processes. This results in:

Faster production cycles – Automatic tool changes reduce idle time.
Higher accuracy – Eliminates human errors in tool positioning.
Increased productivity – Enables seamless machining of complex parts.
Lower labor costs – Reduces manual intervention.
Greater flexibility – Supports multiple tool types for diverse applications.

Key Features of an Auto Tool Change Spindle

High-Speed and High-Frequency Operation – Supports fast machining with minimal vibration.
Precision Tool Holding – Uses reliable mechanisms like pneumatic or hydraulic tool clamping.
Automatic Tool Clamping & Release – Ensures quick tool changes without manual effort.
Water or Air Cooling System – Maintains optimal temperature for continuous operation.
Compact and Rigid Design – Suitable for high-speed cutting and milling applications.
Wide Compatibility – Works with various CNC machines and tool-holding standards.
Reduced Setup Time – Improves machine utilization by minimizing downtime.

Model	QD-1F 4/12 24 I30 NC CB	QD-1F 6.6/12 24 I30 NC CB	QD-1F 8/12 24 I30 NC CB	QD-1F 10/11 24 I30 NC CB
Max Power. (S1 duty)	4 KW @ 12000 RPM	6.6 KW @ 12000 RPM	8 kW @12000 RPM	10 kW @12000 RPM
Max. torque (S1 duty)	3,2 Nm	5,3 Nm	6,4 Nm	10,8 Nm
Current (S1 duty)	9	14, 6	17, 6	25 A
Max. Power (S6 50% duty)	4,5 kW @12000 Rpm	7,5 kW @12000 Rpm	9,5 kW @12000 Rpm	12 kW @12000 Rpm
Max. Torque (S6 50% duty)	3.6 Nm	6 Nm	7,6 Nm	11, 5 Nm
Current (S6 50% duty)	10,5 A	16 A	19,5 A	27 A
Voltage	380 V	380 V	380 V	380 V
Poles	4	4	4	4
Max Speed	24000 Rpm	24000 Rpm	24000 Rpm	24000 Rpm
Rotation	CC – CCW	CC – CCW	CC – CCW	CC – CCW
Supply	By Inverter	By Inverter	By Inverter	By Inverter
Tool Interface	ISO30	ISO30	ISO30	ISO30
Ball bearing	Ceramic high speed high precision	Ceramic high speed high precision	Ceramic high speed high precision	Ceramic high speed high precision
	Front-Pair, Rear-Pair	Front-Pair, Rear-Pair	Front-Pair, Rear-Pair	Front-Pair, Rear-Pair
Cooling	Air by electro-fan 24V DC	Air by electro-fan 24V DC	Air by electro-fan 24V DC	Air by electro-fan 24V DC
Sensor	S1- Tool Lock, S2-Open Clamp, S3-Spindle Rotation	S1- Tool Lock, S2-Open Clamp, S3-Spindle Rotation	S1- Tool Lock, S2-Open Clamp, S3-Spindle Rotation	S1- Tool Lock, S2-Open Clamp, S3-Spindle Rotation
	Release Tool: E6 6bar,	Release Tool: E6 6bar,	Release Tool: E6 6bar,	Release Tool: E6 6bar,
Air inlets	Pressurization: E6 6bar, Taper clean: E4 6 bar	Pressurization: E6 6bar, Taper clean: E4 6 bar	Pressurization: E6 6bar, Taper clean: E4 6 bar	Pressurization: E6 6bar, Taper clean: E4 6 bar
Weight	21 KG	21 KG	21 KG	21 KG