High Speed Spindles for CNC, PCB and Dental Machining

Haozhi manufactures motorized spindles in ball-bearing and air-bearing designs for machine builders and integrators. The high speed spindle range reaches 60,000–400,000 rpm for PCB drilling and routing and up to 80,000 rpm for dental milling. Pick the speed band that matches your process, or send us your target rpm and interface for a recommendation.

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Products

Turning Spindles Grinding Spindles Milling Spindles Engraving and Milling Spindles Dental Milling Spindles Mechanical Spindles PCB Spindles Semiconductor Machining Spindles Ultra-Precision Finishing Spindles Ultrasonic Machining Spindles Woodworking Spindles Air Cooled Spindles ATC Spindles High-Speed Spindles VFD Spindles Machining Spindles 5-Axis DD Rotary Table 4-Axis DD Rotary Table Direct Drive Tool Grinding 4-Axis Rotary Table Milling Head LM Guide and Ball Screw Tool Holder Precision Collets Air Compressor Automation Fixtures Compact Shaft Cooling Spindles Linear Slides

High Speed Spindle Range by Speed Band

Speed is only the first filter. Tool interface, cooling and bearing type decide which family fits your machine. The figures are taken from catalog models in each family.

cylindrical metallic high-speed spindle with polished finish and black section

Application	Speed and power	Bearing / interface	Family
Dental milling	Up to 80,000 rpm	Air- or water-cooled; body diameters 33, 45 and 61.92 mm; DB121 and B067 tooling	Dental Milling Spindles up to 80,000 rpm
PCB drilling and routing	60,000–400,000 rpm	Air-bearing and ceramic-ball-bearing; quick tool-change structures	PCB Drilling and Routing Spindles up to 400,000 rpm
Engraving and light milling	40,000–60,000 rpm on HSK-E25, ISO20 and T11 models; about 6–22 kW on higher-power models	HSK-E and BBT30 interfaces	Engraving and Milling Spindles for CNC Machines
Machining-center milling	15,000–24,000 rpm on BBT40 and HSK-A63 models; up to 55 kW on synchronous models	HSK and BBT interfaces	CNC Milling Spindles with HSK & BBT Interfaces
Ultra-precision finishing	60,000 rpm (dicing), 72,000 rpm (HSK E20) and 100,000 rpm (6 mm collet); 4.5 kW dicing model	Air-bearing; dicing blades, ER11, HSK automatic tool change	Ultra-Precision Air-Bearing Spindles for CNC

Runout is not a single catalog-wide figure. We set it against your application and confirm it in the quote.

Ball-Bearing vs Air-Bearing at High Speed

Haozhi builds both. PCB spindles come in air-bearing and ceramic-ball-bearing designs, and the ultra-precision finishing line is air-bearing.

Air bearing

Ball bearing

Runout

A non-contact film gives very low runout and vibration, which suits fine finishing and dicing.

The bearings are a wear item over the spindle's life.

Speed

It reaches the highest speeds, as in the 400,000 rpm PCB range, but it needs a clean, regulated air supply.

Its speed ceiling is lower than air-bearing designs.

Load

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It carries heavier radial and axial loads with higher stiffness, so it suits milling with larger tools.

State the bearing type in your specification and we confirm it against your machine layout before quoting.

What Sets Haozhi High Speed Spindles Apart

In-house core components

Motors, rotors, stators, clamping systems and encoders are developed and manufactured by Haozhi, so the speed, torque and interface you specify are not limited to off-the-shelf sourcing.

Engineering depth

400+ R&D engineers and 800+ patents to date support the product lines.

Volume capacity

Annual production capacity runs to 400,000+ spindles, which matters when you plan OEM series production.

Thermal control

Heat limits a high speed CNC spindle on long cycles. Shaft-core cooling is one way we manage it; ask whether it suits your spindle size and duty cycle.

The trade-off: we supply components, not complete machines. Integration, drive tuning and machine-level validation stay with you, and our application engineers support that work.

Compact shaft cooling spindle with features and performance stats

Custom High Speed Spindle Specifications and Lead Times

Speed, torque, power, cooling type, interface, tool holder and encoder options can all be customized. We also design application-specific spindles for CNC machines, robotics, automated production lines and semiconductor equipment.

Standard products

Lead time depends on speed class, bearing type and quantity, and is confirmed in your quotation.

Custom solutions

Scheduled once the specification is agreed, depending on complexity.

Large-volume OEM projects

Delivery plans arranged from your annual production forecast.

We do not publish list prices or a typical price band, because a high speed spindle's price moves with its configuration. The main drivers are:

Maximum rpm and continuous power
Bearing type (air or ball)
Tool interface (HSK, BBT, ER11 and others)
Cooling type, including shaft-core cooling
Encoder option
Order volume

Send us the specification and we will quote against it.

Quality Control and Certifications

ISO 9001

Quality management

ISO 14001

Environmental management

Applicable products and markets

3-stage

Initial, specialized and cross checks, with traceability

Measurement equipment includes a Taylor Hobson roundness measuring instrument, a Zeiss CMM and a Swiss universal length measuring machine. See quality control.

Spindle standing beside a circuit board and a white blank

Applications and OEM Integration

These spindles go into CNC machine tools, PCB drilling and routing lines, dental milling machines, semiconductor equipment, and 3C, mold and complex-part machining. Support includes application engineering, installation guidance, performance testing and diagnostics, and OEM project collaboration. Repair and maintenance are handled globally through certified service partners.

Request a High Speed Spindle Quote

To get a fast, accurate recommendation, send the target maximum rpm and continuous power, the tool interface or tool holder (HSK, BBT, ER11, DB121 and so on), the cooling type and encoder requirement, the machine type and application, and the annual volume if this is an OEM program.

Contact our engineering team

Discuss Your CNC Spindle or Motion Component Project

Share your machine type, machining process, performance targets or existing component specifications with Haozhi. Our technical team can support spindle selection, application matching, custom development and motion-component integration for new equipment and upgrade projects.

Mobile/Whatsapp

+86 186 6567 2648
Tel

+86 (20) 6225 7588 ext. 8558
Email

global@haozhihs.com
Address

No. 68 Hefeng Road, Huangpu District, Guangzhou, Guangdong Province, China, 511356