Micro Motor Systems

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SUHNER micro motor handpiece for precision grinding
Up to 60,000 rpm Low vibration · High precision
SUHNER Micro Motor

Power in precision work

SUNmic micro-motor systems deliver low-vibration, near-silent performance with exact concentricity and high torque for the finest grinding, milling and polishing tasks.

Touch-screen control, specialised handpieces and matched accessories make the range ideal for mould making, die work, aerospace detail finishing and precision component manufacture.

Why Micro Motor

Control where detail decides quality

High speed and low vibration help protect fine geometry and surface integrity.

60,000 rpmHigh-speed finishing for fine tools and details
Low VibrationStable handling for precise, repeatable work
Exact ConcentricityClean cutting and polishing on intricate features
More TorqueAround 30% more torque for productive fine work
Touch ControlSUNmic 60 interface for clear process settings
Product Portfolio

Micro motor product groups

Control unit, precision handpieces and accessories for complete fine-finishing setups.

01
Control System

SUNmic 60 touch-screen unit

Central control for speed, process settings and dependable precision output.

Precision micro motor finishing application

SUNmic 60

Touch-screen control unit for the micro-motor system.

Process clarity

Speed Management

Set and hold speeds suited to tool diameter and material.

Safe fine work

Workshop Integration

Compact footprint for toolrooms, mould shops and labs.

Precision cells
02
Precision Handpieces

SMH series for grinding, milling and polishing

Specialised handpieces for reach, torque delivery and tool holding in fine applications.

Mounted abrasive used with precision drive systems

SMH 60-HT

High-torque handpiece for productive fine stock removal.

Detail grinding

SMH 60-HT-XL

Extended-format handpiece for improved access.

Deep features

SMH 60-HTD / SE

Specialist variants for demanding precision setups.

Milling · Polish
03
Accessories

Foot switch, collets and extensions

Complete the workstation for operator comfort and tool flexibility.

Technical consultation for precision tooling

SFR Foot Switch

Hands-free control during delicate finishing sequences.

Operator control

Collets

Secure holding for fine burs, points and polishers.

Tooling range

Extensions

Reach deeper cavities and intricate component zones.

Access solutions
04
Ideal Applications

Where micro motors excel

Use SUNmic systems wherever vibration, access and surface integrity are critical.

Aerospace precision finishing applications

Mould & Die

Cavity correction, engraving support and fine surface work.

Toolmaking

Aerospace Detail

Controlled finishing on structures and precision components.

Aircraft Industry

Medical & Precision

Fine milling and polishing of intricate engineered parts.

High-value components
Related Ranges

Pair micro motors with fine abrasives and other systems

Mounted points, burrs and complementary drives complete precision workflows.

View Abrasives
Typical Workflow

Build a controlled precision process

Keep material removal, speed and tooling matched to delicate geometry.

01

Define Finish

Clarify geometry, tolerance and surface requirement.

02

Select Handpiece

Choose HT, XL or specialist variants for access and torque.

03

Fit Tooling

Use fine burrs, points or polishers with correct collets.

04

Set Speed

Apply SUNmic control for stable, suitable rpm.

05

Refine

Mill, blend and polish with minimal vibration risk.

Micro motor catalogue
Technical Catalogue

Explore the complete SUNmic micro motor range

Review the control unit, handpieces, accessories and technical data.

Download Catalogue
Working on fine detail or mould surfaces?

Tell us the component and required finish — we will recommend a SUNmic setup.

Enquire Now