DD motor - torque motor
■■Active in various automation tasks■■ HIWIN's direct drive DD motors and torque motors
HIWIN DD motors adopt a direct drive system that does not require a reduction mechanism. The motor is coupled to the load with high rigidity through cross roller bearings, achieving excellent acceleration and motion stability through servo driver control. Cables and related accessories can be connected through a hollow shaft, making it suitable for a wide range of applications such as automation tasks. ■ No backlash ■ Hollow shaft ■ No rotational friction from gears ■ Compact ■ Maintenance-free ■ High rigidity cross roller bearings ■ TMS series has an IP65 protection rating ■ Built-in brake available (optional) ■ Hall sensor available (optional) Product lineup: 【DMS Series】Inner rotor type DD motor 【DMY Series】Outer rotor type DD motor 【DMN Series】Thin outer rotor type DD motor 【DMT Series】Ultra-thin large hollow diameter DD motor 【TM-2 Series】Water-cooled torque motor 【IM-2 Series】Water-cooled torque motor ○ For more details, please refer to the catalog or contact us.
basic information
For details, please refer to the catalog or contact us.
Price range
Delivery Time
Model number/Brand name
HIWIN Direct Drive Torque Motor
Applications/Examples of results
It can be applied to a wide range of industries, including automation tasks. For more details, please refer to the catalog or contact us.
Detailed information
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[DMS Series] Inner Rotor Type DD Motor Equipped with a high-resolution incremental optical encoder, it achieves excellent dynamic characteristics, high torque, and high precision. It is ideal for industries that require high-precision positioning. - Inner rotor type - Rotary encoder with a resolution of 4.32 million p/rev - High dynamic characteristics, high torque, high precision - Maximum torque: 9.3 to 450 Nm - IP65 protection rating available (optional) - Built-in brake available (optional) - Hall sensor installation available (optional)
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[DMY Series] Outer Rotor Type DD Motor Designed with an advanced feedback system that achieves excellent dynamic characteristics, high torque, and high precision. Suitable for industries requiring high-precision positioning. - Outer rotor type - Absolute encoder - Excellent dynamic characteristics, high torque, high precision - Maximum torque: 12 to 300 Nm - Adaptable to special environments
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【DMN Series】Thin Profile Outer Rotor Type DD Motor Features a thin profile and high-resolution encoder. Achieves excellent dynamic characteristics, high torque, and high precision. Suitable for tasks that require accurate positioning despite low driving force. - Outer rotor type - Thin and space-saving - Absolute encoder - High dynamic characteristics, high torque, high precision - Maximum torque: 4.2 to 39.6 Nm
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[DMT Series] Ultra-Thin DD Motor Industry's thinnest class at just 22mm thick. The overwhelming thinness and large hollow diameter allow for a space-saving rotation mechanism, increasing design flexibility for installation! Starting from June 2023, we have begun accepting orders and sales for the new "DMTK3" with a hollow diameter of 340mm and a thickness of 30mm. - Ultra-thin design of 22mm and 30mm - Large hollow shaft - High resolution with excellent positioning accuracy - Gearless with zero backlash - High torque achieved through unique magnetic circuit design
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【DMH Series】 Ideal for applications with small operating angles and high frequencies. Equipped with E series drivers, it achieves faster, more stable, and more accurate industrial demands. Production efficiency is significantly improved, achieving a production capacity of 50,000 to 60,000 UPH. - Inner rotor type - High response, high torque, high-speed positioning
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【TM-2 Series】Water-Cooled Torque Motor While inheriting the features of the conventional TMRW series, it achieves higher torque and lower cogging. To avoid heat during machining in machine tools, it ensures high continuous torque with its water cooling function, reducing the temperature rise of the motor. It is equipped with a temperature sensor to protect the motor in case of overload. ■ Water-cooled ■ Large diameter hollow shaft ■ Torque density increased by 20% compared to TMRW
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【IM-2 Series】Water-Cooled Torque Motor It can be used at a very high rotational speed range compared to the TM-2 series. To avoid heat during machining on machine tools, it ensures high continuous torque with a water cooling function, reducing the temperature rise of the motor. It is equipped with a temperature sensor to protect the motor in case of overload. ■ Water-cooled ■ Large diameter hollow shaft ■ Maximum rotational speed with weakened field excitation is 5450 min-1
catalog（5）
Download All Catalogs
CAD data（20）
| Model number | overview | File |
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| 【DM】DMS7 | Incremental Optical DD Motor: DMS Series (Outer Diameter Φ300mm) |
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| 【DM】DMS7 | Incremental Optical DD Motor: DMS Series (Outer Diameter Φ300mm) |
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| 【DM】DMS3 | Incremental Optical DD Motor: DMS Series (Outer Diameter Φ200mm) |
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| 【DM】DMS3 | Incremental Optical DD Motor: DMS Series (Outer Diameter Φ200mm) |
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| 【DM】DMS1 | Incremental Optical DD Motor: DMS Series (Outer Diameter Φ150mm) |
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| 【DM】DMS1 | Incremental Optical DD Motor: DMS Series (Outer Diameter Φ150mm) |
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| 【DM】DMS0 | Incremental Optical DD Motor: DMS Series (Outer Diameter Φ110mm) |
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| 【DM】DMS0 | Incremental Optical DD Motor: DMS Series (Outer Diameter Φ110mm) |
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| 【DM】DMYA | Absolute Resolver Type DD Motor: DMY Series (Outer Diameter Φ270mm) |
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| 【DM】DMYA | Absolute Resolver Type DD Motor: DMY Series (Outer Diameter Φ270mm) |
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| 【DM】DMY6 | Absolute Resolver Type DD Motor: DMY Series (Outer Diameter Φ170mm) |
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| 【DM】DMY6 | Absolute Resolver Type DD Motor: DMY Series (Outer Diameter Φ170mm) |
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| 【DM】DMY4 | Absolute Resolver Type DD Motor: DMY Series (Outer Diameter Φ110mm) |
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| 【DM】DMY4 | Absolute Resolver Type DD Motor: DMY Series (Outer Diameter Φ110mm) |
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| 【DM】DMN9 | Slim DD motor: DMN series (outer diameter Φ230mm) |
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| 【DM】DMN9 | Slim DD motor: DMN series (outer diameter Φ230mm) |
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| 【DM】DMN7 | Slim DD motor: DMN series (outer diameter Φ180mm) |
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| 【DM】DMN7 | Slim DD motor: DMN series (outer diameter Φ180mm) |
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| 【DM】DMN4 | Slim DD motor: DMN series (outer diameter Φ118mm) |
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| 【DM】DMN4 | Slim DD motor: DMN series (outer diameter Φ118mm) |
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News about this product（20）
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![[HIWIN] MEX Kanazawa 2024 / 60th Kanazawa Machine Industry Exhibition Participation](https://image.mono.ipros.com/public/news/image/1/694/180555/IPROS14605290749149829690.jpeg?w=280&h=280)
MEX Kanazawa 2025 / Notice of Exhibition at the 61st Machine Industry Fair Kanazawa [HIWIN]
We will be exhibiting at "MEX Kanazawa 2025 / The 61st Kanazawa Machine Industry Exhibition," which will be held at the Ishikawa Industrial Exhibition Hall from May 15, 2025. ◇ Event Period May 15 (Thursday) to May 17 (Saturday), 2024, from 10:00 to 17:00 * The last day will end at 16:00. ◇ Exhibition Venue Ishikawa Industrial Exhibition Hall (Halls 1, 3, and 4) ◇ Booth Number Hall 1, 1-017 ◇ Featured Exhibits In addition to our main products, the "Linear Guideway" and "Ball Screw," you can also see the high-speed rotary table "RAB200," which supports differentiation in machine tools, and the "Thin XYΘ Stage," which combines ultra-thin DD motors and linear motors. 《Torque Motor Rotary Table》 Adopting the "Zero Backlash Direct Drive System (zeroB/DD system)," it achieves smooth and responsive rotation, enhancing advantages in various aspects such as finish quality, yield improvement, and operational sound quality, thus supporting differentiation in machine tools. 《DD Motor》 Utilizing a direct drive system, it achieves excellent acceleration and stable operation. It can also be applied in the semiconductor industry, where technological innovation is required.
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Highlights of HIWIN's Exhibition at JIMTOF 2024
We will be exhibiting at "JIMTOF2024 / The 32nd Japan International Machine Tool Fair," which will be held at Tokyo Big Sight from November 5, 2024. ◇ Event Period November 5 (Tuesday) to November 10 (Sunday), 2024 [West and South Exhibition Halls] 9:00 AM to 5:00 PM (until 4:00 PM on the last day) [East Exhibition Hall] 10:00 AM to 6:00 PM (until 4:00 PM on the last day) ◇ Exhibition Venue Tokyo Big Sight ◇ Booth Number West Hall 2 W2051 ◇ Featured Exhibits At this exhibition, we will present "Eco Solutions for Green" as the ESG theme of the HIWIN Group, showcasing a range of products that support sustainable manufacturing, divided into two categories: "Machine Tool Solutions" and "Total Solutions for Peripheral Equipment." We will introduce high-speed rotary tables, underwater DD rotary tables for electric discharge machines, the i4.0 series contributing to predictive maintenance, and machine tools that utilize HIWIN rotary tables. We will also demonstrate pick-and-place between stockers, polishing, inspection, and loading/unloading for machine tools at this exhibition.
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Photonix / Light and Laser Technology Exhibition - Exhibition Announcement [HIWIN]
We will be exhibiting at the "Photonix / Light and Laser Technology Exhibition" held at Makuhari Messe from October 29, 2024. ◇ Event Period October 29 (Tuesday) to October 31 (Thursday), 2024, 10:00 AM to 6:00 PM *On the final day, until 5:00 PM only. ◇ Exhibition Venue Makuhari Messe ◇ Booth Number Hall 1, 3-40 ◇ Featured Exhibits ■ Semiconductor Subsystem Solution Our company develops, proposes, sells, and maintains a wide range of products, including precision equipment related to motion control and industrial robots, in addition to direct drive products that boast a world-class market share. At this exhibition, we will propose subsystems that go beyond components for the semiconductor, LED, and FPD industries. We will showcase mechanical component parts such as stainless steel linear guideways and ball screws, which are optimal for the semiconductor industry, as well as wafer transport systems. The wafer transport system is equipped with a double-arm wafer transport robot and a wafer aligner. It is a compact model that contributes to improved space efficiency and work efficiency.
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Manufacturing Fair 2024【HIWIN】
We will be exhibiting at the "Monozukuri Fair 2024," which will be held at Marine Messe Fukuoka from October 16, 2024. ◇ Event Period October 16 (Wed) to 18 (Fri), 2024, 10:00 AM to 5:00 PM * The last day will end at 4:00 PM. ◇ Exhibition Venue Marine Messe Fukuoka ◇ Booth Number Hall A, No. AE-02 ◇ Featured Exhibits ■ Semiconductor Subsystem Solution Our company develops and manufactures a wide range of products from mechanical component parts to mechatronic products. We will showcase stainless steel linear guideways "MG Series" and ball screws "Super S Series," which are suitable for the semiconductor and FPD industries, as well as EFEM, wafer aligners, and ultra-precision stages at the nano level. At this exhibition, we will present mechanical component parts such as stainless steel linear guideways, which are optimal for the semiconductor industry, and wafer transport systems. The wafer transport system features a double-arm wafer transport robot and a wafer aligner. It is a compact model that contributes to improved work efficiency.
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TECHNO-FRONTIER 2024 / 42nd Motor Technology Exhibition [HIWIN]
We will be exhibiting at "TECHNO-FRONTIER 2024 / 42nd Motor Technology Exhibition" held at Tokyo Big Sight from July 24, 2024. ◇ Event Period Real Exhibition: July 24 (Wed) - 26 (Fri), 2024, 10:00 - 17:00 Online Exhibition: August 1 (Thu) 10:00 - August 30 (Fri) 17:00 ◇ Exhibition Venue Real Exhibition: Tokyo Big Sight, East Exhibition Hall Online Exhibition: Online ◇ Booth Number East Hall 1, 1G-12 ◇ Featured Exhibits ■ New proposals for business process improvement! HIWIN Total Solution At this exhibition, we will showcase a Cartesian robot suitable for automating transportation and assembly tasks, combining our single-axis robots, DD motors, and servo systems. By delivering a pre-assembled Cartesian robot along with our motion controller [HIMC], we contribute to reducing design and assembly man-hours, as well as system development man-hours through compatibility with various PLCs by adopting [HIMC]. Additionally, we will also exhibit the ultra-thin DD motor "DMT series" and the newly added DD motor "DMH series."
