Model no. ATC-BT30

With a rich experience in spindle motors, NK Automations provides high-frequency spindles with ultra-hybrid ceramic bearings for precise CNC machine applications, such as CNC Milling, CNC Engraving, CNC bangle engraving, Machining of high-precision auto parts, and Sheet metal cutting. The spindle is designed for high duty and high performance.

Also, it has superior quality, enhanced reliability, smooth motion, and balancing stability.

The spindle structure is a fast-automatic tool change mechanism, and the tool holder is equipped with BT30-ER32

Enginex 3.5kw/5.5kw and rpm 24000 rpm High frequency Spindle with Ultra hybrid ceramic bearings has a robust construction and highly précised and is in accordance with set industrial standards. High overload capabilities and high operation speed range are distinctive features of our Spindle Motors, offering exceptional dynamic performance.

Application:

CNC Milling Machine
VMC & HMC
CNC Router
CNC Grinding Machine
In Robotics arm for machining automobile Components

With a compact design at high speed, low noise, and long and stable operational life. NK Automations' spindles for CNC machines are heavily built and heavy-duty. With rpm up to 24,000 rpm range, motor power as per requirement, and static runout: ≤2.0μm, the spindle is ideal for CNC Bangle engraving, sheet cutting, PCB drilling and routing, dentures making, mobile cover making, and other similar applications.

Other features include superior quality, enhanced reliability, smooth motion, and balancing stability. The spindles are capable of completing very complex tasks very easily.

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

Request Quote

Enquire Now

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