Brushed Coreless DC Motor

Brushed Coreless DC Motor

Auric Brushed Coreless DC Motors are engineered for applications requiring fast dynamic response, low inertia, high efficiency, and precise speed control. By eliminating the traditional iron armature core, our miniature design reduces rotor weight and mechanical inertia to enable rapid acceleration and smooth operation in medical devices, robotics, and laboratory instruments.
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Description
Technical Parameters

Auric Brushed Coreless DC Motor

 

High-Response Coreless DC Motor Solutions for Precision Motion Applications


Auric Brushed Coreless DC Motors are engineered for applications requiring fast dynamic response, low inertia, high efficiency, and precise speed control. By eliminating the traditional iron armature core, our miniature design reduces rotor weight and mechanical inertia to enable rapid acceleration and smooth operation in medical devices, robotics, and laboratory instruments.


Backed by ISO 9001 certified manufacturing, RoHS/CE compliance, and over 15 years of precision engineering, we provide flexible OEM/ODM customization for voltage, speed, torque, shaft configuration, and integrated gearboxes.

 

Technical Specifications

 

Parameter

Standard Range / Options

Motor Type

Brushed Coreless DC Motor

Motor Diameter

6mm – 38mm (Custom sizes available)

Motor Length

Customizable per power requirement

Rated Voltage

3V / 6V / 12V / 24V / Custom DC

Rated Speed

3,000 RPM – 15,000 RPM (Customizable)

Torque Range

Fully customizable per winding and gearbox setup

Brush Type

Precious Metal Brush / Carbon Brush

Bearing Type

Sleeve Bearing / Precision Ball Bearing

Shaft Design

Custom D-cut, Stepped, Threaded, or Hollow Shaft

Operating Temperature

-20°C to +65°C (Extended ranges available)

 

Why Choose Auric Coreless DC Motors

 

Low Inertia & Fast Response: Reduced rotational inertia enables rapid acceleration, deceleration, and quick start-stop performance for frequent reversing applications.


Low Torque Ripple: The ironless rotor structure eliminates cogging effects, ensuring smooth rotation, minimal vibration, and stable low-speed operation.


High Power Density: Compact packaging designed specifically for space-limited equipment, portable devices, and lightweight mechanisms.


Cost-Effective Drive: Reliable brushed commutation provides direct voltage speed control, easy system integration, and lower overall control complexity.

 

Design & Working Principle

Hollow Rotor Structure

A lightweight, self-supporting winding eliminates iron core hysteresis loss, yielding higher acceleration and peak efficiency.

Permanent Magnet System

High-performance magnets generate a stable magnetic field for consistent torque output and operational stability.

Brushed Commutation

Features precious metal or carbon brushes for simple electrical control and seamless integration with existing DC power systems.

 

Applications

Medical Equipment

Infusion pumps, diagnostic equipment, laboratory analyzers, and surgical hand tools.

Robotics & Automation

Robot joints, micro-actuators, service robots, and automated sorting modules.

Laboratory Instruments

Analytical equipment, testing devices, sampling systems, and optical calibration tools.

Pumps & Fluid Control

Micro diaphragm pumps, precision dosing systems, and portable fluidic devices.

 

OEM Customization & Global Supply

 

Tailored Engineering & Design: Flexible customization of electrical windings, motor dimensions, shaft configurations, mounting flanges, and specialized housing enclosures to match precise OEM requirements.


Integrated Motion Systems: Seamless mechanical and electrical integration with matched planetary gearboxes, optical/magnetic encoders, and micro-drivers for turnkey assemblies.


Rapid Prototyping & Low MOQ: Dedicated support for new project launches with custom prototype samples delivered within 7–10 business days and flexible low minimum order quantities.


Global Export Compliance: Fully compliant with international environmental and quality directives, including RoHS, REACH, and CE standards for smooth worldwide logistics.

 

Manufacturing & Quality Control

 

Our production lifecycle ensures zero-defect delivery through rigorous verification protocols:


Incoming Material Inspection: Rigorous screening of all raw materials, rare-earth magnets, and brush components to ensure high-grade foundational quality before production begins.


Dynamic Rotor Balancing: Precision dynamic balancing and vibration testing on hollow coreless rotors to eliminate mechanical imbalance and guarantee whisper-quiet, smooth rotation.


Performance Verification: 100% automated testing of electrical parameters, including exact speed, continuous torque, current consumption, and commutation stability under load.


Final Quality Audit: Comprehensive dimensional measurement, acoustic inspection, and final packaging checks conducted under ISO 9001:2015 standards before global shipment.

 

Frequently Asked Questions

 

Q: What is a brushed coreless DC motor?

A: It uses a hollow, self-supporting winding rotor without an iron core, eliminating cogging and reducing inertia for superior acceleration and higher efficiency.

Q: What are your sample lead times and MOQ policies?

A: Standard and custom prototype samples are typically ready within 7–10 days, and we support low MOQs for new project launches.

Q: What international standards do you meet?

A: Our manufacturing facilities operate under ISO 9001, and our motors are fully RoHS, REACH, and CE compliant.

Q: How do I request a custom motor design?

A: Submit your target voltage, speed, torque, and space constraints to our engineering team. We will respond with a comprehensive proposal and 3D drawings within 24 hours.

 

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