Factory-Direct Customization for Precision Grinding Applications
Electric grinders have become indispensable tools across jewelry processing, polishing, inlay work, arts and crafts,carving, mold prototyping, hardware manufacturing, and medical industries. Their unique combination of simple operation, flexible lightweight handles, low noise, high rotational speed, and exceptional torque makes them the go-to choice for fine finishing operations.
As the industry trend shifts toward lightweight and compact designs, one challenge stands out: how to deliver greater power output in smaller form factors. This is where our coreless motor technology excels.
We Are the Manufacturer – Design, Development, Production All In-House
We are not traders or agents. We are a factory – a professional manufacturer with over a decade of experience in R&D, design, and production of precision micro motors. From product definition, structural design, and electromagnetic simulation to winding assembly, dynamic balancing calibration, and factory testing – everything is completed on our own production lines.
Our core strength is simple: design in-house, development in-house, production in-house. And every parameter can be customized to your specific requirements.
Why Coreless Motors Are the Optimal Choice for Electric Grinders
Thanks to our cup-type winding design, our motors achieve a higher power density, enabling greater output power with excellent efficiency. The key features include:
- High output power with superior efficiency even at high speeds – keeping heat generation to an absolute minimum
- 30W+ output power at speeds up to 50,000 RPM – exceptional performance in an ultra-compact package
- Built-in damping system – ensuring low noise and minimal vibration during operation
- High torque even at low speeds – consistent performance across the entire speed range
For perspective, typical industrial electric grinders operate with motors in the 350W range for larger form factors. Our compact coreless motors deliver professional-grade performance in a fraction of the size.
Product Specifications – Customizable to Your Needs
| Motor Model | Diameter (mm) | Voltage (VDC) | No-Load Speed (RPM) | Max Continuous Mechanical Power (@25°C) (W) | Max Continuous Torque (mNm) | Max Permissible Speed (RPM) | Length (mm) | Weight (g) |
|---|---|---|---|---|---|---|---|---|
| ECH2053L | Φ20 | 20 | 50,000 | 40 | 14 | 60,000 | 53 | 6 |
| ECH2057L | Φ20 | 20 | 50,000 | 70 | 20 | 60,000 | — | — |
All Parameters Customizable – You Name It, We Build It
As a manufacturing factory, we understand that different applications demand different specifications. The following parameters can all be tailored to your specific requirements:
- Dimensions – diameter, length, shaft extension, mounting flange
- Electrical parameters – voltage, rated current, starting characteristics
- Performance characteristics – no-load speed, stall torque, power output
- Mechanical configuration – shaft type, bearing selection, mounting orientation
- Acoustic performance – noise level, vibration characteristics
- Environmental adaptation – operating temperature range, protection rating
- Service life – bearing life, brush life for brushed versions
You specify the requirement – we deliver the solution.
Why Choose Us?
Direct factory supply – full control over R&D, production, and quality
20+ years of manufacturing experience – proven expertise in precision micro motors
Full customization capability – from standard products to fully custom designs
Rapid response – quick sampling and efficient development cycle
Consistent quality – ISO-compliant management, 100% inspection processes
Flexible production – supports small-batch trial runs and mass production
We don’t compete solely on price. We compete on fit, stability, and responsiveness.
Application Scenarios
Our coreless motors for electric grinders are widely used in:
- Jewelry processing – grinding, polishing, stone setting
- Arts and crafts – carving, engraving, detailing
- Mold prototyping – precise material removal and finishing
- Hardware manufacturing – fine surface treatment
- Medical device fabrication – precision component finishing
- Dental and laboratory applications – high-speed precision work
Contact Us
Whether you need standard products or fully customized motor solutions for your electric grinder applications, we are ready to help.
Tell us your requirements – we’ll handle the rest.
From design to mass production – one-stop customized solutions for your drive needs.
📌 We accept customized specification/parameters/drawings, contact us now for your requirement. Our engineering team will be delighted to make samples for you.
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📧 Email Us: chinaok321@gmail.com
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📱 WeChat/Mob: +8613713792667 ( our Whatsapp is blocked, please don't use whatsapp, just email, thanks)
