NK AUTOMATIONS supplier of PCB Drilling spindles, CNC Spindles, CNC ATC Spindle Motor, Water Cooled Spindle Motor, CNC Router spindle, Milling spindles, Bangle engraving spindles

Model no. ATC-BT30

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 BT30-ER32

Enginex 3.5kw/5.5kw High-Frequency Spindle with 24000 RPM

The Enginex spindle, available in 3.5kw and 5.5kw variants, operates at a speed of 24000 RPM and features ultra hybrid ceramic bearings. This spindle is constructed with durability in mind and is designed to meet established industrial standards with high precision. Notable characteristics of our spindle motors include their impressive overload capacities and a wide operational speed range, which contribute to 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 35,000 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 Milling, 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.

High precision: dynamic precision≤8μm, static precision≤2μm, shaft rotation runout≤1μm.
Small volume, small inertia, small heat variables.
Balance Grade: G0.4, low vibration, low noise.
High configuration: quick ATC system, optional temperature sensor, super precision ceramic ball bearing.
Low failure rate: Precision design, simple structure and easy maintenance.
Dustproof and waterproof: The front end of spindle adopts a multi-layer labyrinth structure to improve the dust sealing and waterproof effect.

Model	ISO20-3.5kw	Max speed （rpm）	24000	Max frequency （Hz）	800
Max voltage (V)	220/380	Rate current （A）	8.5	Rated power （Kw）	3.5
Max torque Nm	3.8	Max current （A）	9.5	Max power （Kw）	3.5

item	Name	Value	note
1	Bearing lubrication	Grease
2	Standard tool holder	BT30-ER32
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	Φ100 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

CNC ATC BT30 Spindle

Model no. ATC-BT30

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