ISO 20 Spindle Motor 4 kW 40000 RPM – High-Speed Precision

Model no. ISO20-2.2kw

With extensive expertise in spindle motors, NK Automations offers high-frequency spindles equipped with ultra-hybrid ceramic bearings tailored for precise CNC machine applications such as CNC engraving, bangle engraving, machining of high-precision automotive components, sheet cutting, and PCB drilling and routing. This spindle is compact enough for light machinery yet powerful to accomplish demanding tasks.

Additionally, it boasts superior quality, enhanced reliability, smooth operation, and stable balancing.

The spindle design includes a rapid automatic tool change system, and the tool holder is equipped with an ISO-16 ER16 collet

NK Spindles 4 kW high-frequency spindle operates at 40,000 RPM and features robust construction that ensures high precision while meeting industry standards. Notably, our spindle motors are characterized by exceptional overload capabilities and a wide operational speed range, delivering outstanding dynamic performance.

Application:

CNC PCB Drilling Machine
CNC Sheet Metal Drilling
CNC Bangle Engraving
CNC Mobile Tempered Glass Engraving
CNC Mobile Body and Cover Engraving
CNC Glass Epoxy Engraving
CNC Denture Machine
CNC Aluminium Drilling
CNC Glass grinding
In Robotics arm for machining automobile Components

With a streamlined design that promotes rapid operation and minimal noise, NK Automation's CNC machine spindles are engineered for both efficiency and durability. These spindles are compact enough to be utilized with lightweight equipment while still providing the necessary power for a variety of applications. Capable of reaching speeds up to 60,000 rpm, they offer customizable motor power tailored to specific requirements and maintain a static runout of ≤2.0μm. This makes them ideal for tasks such as CNC bangle engraving, sheet cutting, PCB drilling and routing, denture manufacturing, and mobile cover production.

Moreover, these spindles are distinguished by their superior quality and dependability, facilitating smooth operation and stable balancing. They are particularly adept at managing intricate tasks.

Exceptional Accuracy:** Dynamic precision is less than 8 μm, static precision is below 2 μm, and shaft rotation runout measures under 1 μm.
Compact Design:** Features a small size, minimal inertia, and reduced heat variations.
Balance Classification:** Rated at G0.4 with low vibration levels and minimal noise production.
Advanced Configuration:** Includes a rapid automatic tool change (ATC) system, an optional temperature sensor, and ultra-precise ceramic ball bearings.
Reliability:** Designed for low failure rates due to its precision construction, straightforward design, and ease of maintenance.
Dust and Water Resistance:** The spindle's front end utilizes a multi-layer labyrinth structure to enhance dust sealing and waterproof capabilities.
Robust Rigidity:** The built-in motor integrates the front bearing seat with the spindle, significantly enhancing overall rigidity and coaxial accuracy.

Model	ISO20-2.2/4kw	Max speed （rpm）	40000	Max frequency （Hz）	1333
Max voltage (V)	220	Rate current （A）	6.8	Rated power （Kw）	2.2/4
Max torque Nm	1.3	Max current （A）	8	Max power （Kw）	3

item	Name	Value	note
1	Bearing lubrication	Grease
2	Standard tool holder	ISO20shank-ER16
3	Number of broach	More than three million
4	spindle discharge pressure	0.5-0.6	MPa
5	Spindle pinch pressure	0.5-0.6	MPa
6	Air pressure	0.2-0.25	MPa
7	Spindle blowing air flow	30±10	L/min
8	Spindle gas seal pressure	0.2-0.25	MPa
9	Spindle Gas sealed gas flow	50±10	L/min
10	Cooling water pressure	0.25-0.4	MPa
11	Cooling water flow	2-3	L/min
12	Cooling water temperature	24-28	℃
13	Radial stiffness of spindle	≥80	N/μm
14	Axial stiffness of spindle	≥70	N/μm
15	Full runout of the inner Cone of the spindle end	≤0.001	mm
16	Static bias of spindle end	≤0.002	75mm
17	Spindle Vibration value	≤0.8	mm/s

18	Spindle assembly diameter	Φ80 0/-0.019	mm
19	Noise value	≤72	dBA
20	Tool holder Tightening force	1100(max)	N
21	Insulation resistance of motor	≥500
22	Pressure test of motor winding	1500V/min disruptive test

ISO 20 4kw 40k rpm Spindle

Model no. ISO20-2.2kw

Request Quote

Enquire Now

Get notified about engineering tips sales, new products, and events.