The world's smallest direct drive motor

Achieve unmatched acceleration and precision with technology from a rotary encoder specialist.
Discover the advanced hollow micro direct drive motor designed for high-performance automation.

Product List

List

All μDD motors have a space-saving (compact) design and are capable of high-torque and high-accuracy positioning.

  • MDS13

    The world's smallest direct drive motor. Perfect for lightweight applications such as grippers and robotic hands handling.

  • MD20

    The world's smallest hollow-shaft servo motor. Ideal for end effectors, small robot hands, and low reduction ratio gear setups.

  • MD30

    Perfect for high-precision dispensing and small gimbal drives with precise motion control.

  • MDH(12)-40

    Product Inquiry

    MDH(12)-40

    Features a large inner diameter (φ12 mm), allowing for integration of cables, lasers,etc.

  • MDH-60

    A compact motor with a large hollow shaft (φ20 mm), ideal for end effectors and robot joints.

  • MDH-70

    Designed for rotary actuators, index tables, and robotic arm joints (elbow and shoulder).

  • MDH-100

    High torque, compact design, ideal for robots and AGVs.



    Product Inquiry

    MC-200
  • MRS-70

    Small, high-precision, direct drive motor for rotary stages.



    Product Inquiry

    MC-200C
  • MC-200

    Compact servo driver optimized for μDD motor performance.


    Product Inquiry

    周辺機器

Advantages of μDD Motor

Advantage

This product has features that only a manufacturer specializing in rotary encoders can offer.
We have achieved a compact, hollow design while retaining the advantages of a conventional DD motor.

High torque
Achieves up to 5 times higher torque density compared to conventional AC servo motors.
高トルク
Ultra small size
As small as 13mm, offering compactness without compromising performance, outperforming traditional DD motors.
超小型
Hollow shaft
Industry-leading hollow ratio of 35%, making it the top-class servo motor in its category.
中空軸

Strengths in Mounting and Assembly


  • Lightweight
    Contributes to faster drive speeds and reduces the load on equipment, improving overall system efficiency.
    軽量

  • High-precision 
    Our high-precision encoders allow for the creation of robots with exceptional positioning accuracy, enhancing performance in precision.
    高精度エンコーダ
実装・組み立て機場面で発揮される強み

Strengths in Semiconductor

  • High accuracy
    Provides superior positioning accuracy, essential for tasks like alignment in semiconductor and LCD manufacturing.
    高精度
  • No backlash
    With its gearless structure, the μDD motor eliminates positioning errors caused by backlash, ensuring consistent precision.
    バックラッシレス
  • High rigidity
    Equipped with high-rigidity bearings to directly handle the load, ensuring stability and durability during operation.
    高剛性
半導体・液晶製造装置場面で発揮される強み

Strengths in Robotic Applications

  • High back-drivability
    This feature allows for tactile feedback and supports advanced grasping strategies, enabling robots to grasp objects while applying controlled pressure.
    高バックドライバビリティ
  • No backlash
    The motor's high back-drivability ensures accurate motor current and encoder value detection, crucial for precise robotic motion control.
    バックラッシレス
実装・組み立て機場面で発揮される強み

What is a Hollow Shaft Motor?

About

Hollow shaft motor

A hollow shaft motor is a type of motor with a through-hole in the center of the motor's structure, providing enhanced design flexibility. The hollow core allows for the passage of various components such as cables, air tubes, lasers, and other necessary equipment. This design not only saves valuable space but also improves the precision and efficiency of the system by minimizing clutter and reducing the need for additional external parts.

 

Complete Support System

Support

At Microtech Laboratory, we provide comprehensive support across all stages of your μDD motor journey.
Our service includes:

Selection Support

Choosing the right motor and drive is crucial for your application. Whether you're uncertain about the best combination or need assistance with specific parameters, we're here to help.








Contact

Tuning &
Optimization Support

Manual tuning allows you to further optimize the settings.

To maximize the performance of your μDD motor, we offer manual tuning options, allowing you to adjust settings for optimal operation.
・Paid Tuning by MTL Engineers: If you require expert-level tuning, our engineers can help you fine-tune your system for peak performance.
・Flexibility: You can continue using the driver you're currently using, ensuring a seamless integration with your existing equipment.

 

After-Sales Support

We stand by our products with a rigorous quality assurance system. Our support doesn't end after the sale you're backed by continuous technical support and thorough product testing.
・Technical Support: Should you have any questions or need assistance, feel free to reach out.
・Product Testing: Each motor undergoes strict quality checks to ensure it meets our high standards.

Collaborative Products with Other Companies

Our μDD motors are designed to integrate seamlessly with industry-leading drivers, such as those from
Mitsubishi Electric and Panasonic.

 Compatible Connector

他社とのコラボレーション

Feel free to reach out to us.

μDD Motor Case Study

Introduction 

 

Mounting Machines (e.g., Chip Mounters)

Air tubes, lasers and other materials can thread through the hollow shaft, utilizing less space.

Characteristics: High torque, ultra-compact, hollow shaft, light weight

  • high torque

    高トルク
  • ultra small

    超小型
  • hollow shaft

    中空軸
  • light weight

    軽量

Image Inspection Equipment Stage

Although ultra-compact, it has the high precision, responsiveness, and rigidity of a DD motor.
The deceleration mechanism, which used to be essential for small motors, is now a direct drive.
This allows for a simple structure.

Characteristics: High torque, high accuracy, no backlash (high response), high rigidity

  • high torque

    高トルク
  • high percision

    高精度
  • no backlash

    バックラッシレス
  • high rigidity

    高剛性

P-Arm: A Twin-Armed Robot Transmitting Physical Sensations

The robot can share force, tactile and visual information in real time, even with the operator at a distance. You can also teach the robot where you are positioned, as well as a visualization, including active gimbal tracking at higher speeds.

Characteristics: High torque, ultra-compact,holloe dlameter, high backdorivability

  • high torque

    高トルク
  • ultra small

    超小型
  • hollow shaft

    中空軸
  • high backdrivability

    高いバックドライバビリティ

Feel free to reach out to us.

Detail of Introduction

Flow

Contact an Agent

  • Upon making an inquiry, you will be assigned a dedicated customer service representative. They will assist you in selecting the most suitable motor and driver for your equipment, and address any questions you have in a clear and easy-to-understand manner.
  • Response Time: We will reply by the next business day.

Order and Delivery

  • Once the specifications are finalized, the order will be placed with the distributor.
  • Delivery Time: It typically takes 5 to 6 weeks from the order placement for delivery.

Frequently Asked Questions about μDD Motors (FAQ)

FAQ

 I'm having trouble selecting a motor. How do I choose the right one?

We provide a motor selection tool to assist with this process.

Please have the motor load details ready, including factors such as:

  • Weight of the material to be conveyed
  • Conveyance speed
  • Cycles, etc.

How can I purchase the product?

  • We have authorized agents who can help you with your purchase.
  • Contact: Please reach out to them through the contact details provided below.

How do I tune and select a driver (amplifier)?

1. We have created compatibility with existing drivers, so you can continue using the driver you are currently using.
2. Supported Drivers: Please check the following URL for a list of supported drivers.
3. If you want to use a driver not listed, feel free to contact us.

Feel free to reach out to us.

About us

At Microtech Laboratory Inc., we take pride in creating innovative solutions that did not exist before, enhancing the value of our customers' equipment. With a focus on precision assembly technology, we specialize in the development, manufacturing, and sales of ultra-compact products that push the boundaries of innovation.

The Smallest & High Resolution

Made in Japan

We have established a production system that delivers high-quality products at low costs. The specifications we provide are guaranteed values, factoring in safety margins to ensure reliability. Additionally, all components are sourced from Japan, ensuring a stable supply chain and maintaining our high standards.

Manufacturing system

In our design process, we continuously verify ideal values and the feasibility of each product to ensure both quality and functionality. Our manufacturing system reflects this meticulous approach, resulting in products that meet and exceed expectations.

Full range of after-sales services

Our products undergo rigorous testing and are monitored under a strict quality assurance system. Should any defects arise, we offer a free replacement, providing our customers with peace of mind and complete satisfaction.

Company Information

Company

Company Name
Microtech Laboratory, Inc.
Establishment Date
February 1, 1981
Capital Stock
45.5 million yen
President
Yusuke Nomura
Business Activities
Design, manufacture, and sale of microencoders (rotary encoders) and
μDD motors (direct drive motors)
Settlement Date
July 31
Location
8-1-46, Honcho Kamitsuruma, Minami-ku, Sagamihara-shi, Kanagawa, 252-0318, Japan
Contact Information
TEL: +81 42-746-0123
Main Banks
  • Bank of Yokohama, Sagamiono Branch
  • Mitsubishi UFJ Bank, Machida Branch
  • Mizuho Bank, Machida Branch

Feel free to reach out to us.

Please contact us
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