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As the world leader in motion systems, Oriental Motor has experience and knowledge in a wide range of areas related to motion control and motion systems. Oriental Motor's team of application specialists, engineers and technical support staff have a wealth of knowledge to share. As part of our commitment to provide the latest technology and service, Oriental Motor is now offering in-depth product and technology training for all. You can choose to join an online course, or stop by for an in-person training (available in Chicago and Los Angeles). To learn more about the new training Oriental Motor offers call 1-800-GO-VEXTA 1-800-GO-VEXTA (468-3982). Click here for more information.
The following marks are indicated on the nameplates of approved products. Learn More.
UL recognized component.
Recognized to Canadian safety requirements under the component Recognition Program of Underwriters Laboratories Inc.
Recognized to Canadian Safety requirements and UL under the component Recognition Program of Underwriters Laboratories Inc.
CSA certified component.
EN and IEC certified component (indicates that VDE, TÜV Rheinland or DEMKO has certified that the product meets EN or IEC standards.)
Certified CE marking for compliance with EC Directives (safety).
Japanese Safety Standards for Electrical Equipment Certified by Japan Electrical Safety & Environment Technology Laboratories.
China Compulsory Certification safety license for selling or exporting to China.
Responding to customer requests for in-depth training, Oriental Motor offers Free Motion Control and Technical Seminars. Targeted towards the needs of local industries, Motion Fair included technical seminars, one-on-one engineering assistance and product displays. Motion Fair is a technical training and information-sharing event for customers and partners of Oriental Motor. Motion Fairs are held throughout the year at various location in the United States.
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The DG Series is a rotary actuator featuring a hollow output table that allows large-inertia discs and arms to be installed directly. The DG Series makes machine design, wiring and maintenance simple.
- Product Lineup
- Search Products
- Product Catalog
- System Configuration
- Technical Article - Hollow Rotary Actuators
- Product Demonstration Video
Less Hassle with Direct Coupling
Equipment tables and arms can be installed directly on the output table. This saves you the hassle and cost of designing an installation mechanism, arranging necessary parts, adjusting the belt tension, etc. when mechanical parts such as belt and pulley are used for installation.
High Output, High Rigidity
The output table is integrated with a high rigidity cross-roller bearing*.
This structure improves the permissible thrust load and moment load while maintaining high torque.
*Except for DG60
Large-Diameter, Hollow Output Table
A hollow hole (through hole) of sufficiently large diameter helps reduce the complexity of wiring and piping, thus further simplifying your equipment design.
Supporting Sudden Load Fluctuation and Rapid Acceleration
Adopting a closed loop 
stepping motor designed to maintain synchronism, the DG Series actuator eliminates the need for tuning to prevent hunting upon sudden load fluctuation or rapid acceleration.
A built-in rotor position detection sensor constantly monitors the motor speed and position. If synchronism is about to be lost, closed-loop control is implemented immediately. With the DG Series you can also enjoy greater reliability because the positioning completion signal and position detection function can be used to check the actuator condition.
Stable operation can be achieved without adjustment, even when your equipment is subject to load fluctuation.
Type and Structure
Rigidity
The output table uses deep-groove ball bearings (two pieces) for the 2.36 in. (60 mm) frame size type, and a cross-roller bearing for the 3.35 in. (85 mm), 5.12 in. (130 mm) and 7.87 in. (200 mm) frame size types. As the frame size increases, the permissible moment load also increases but the displacement caused by the moment load decreases.
Permissible Torque
The hollow rotary actuators with larger permissible torque deliver stable, high speed positioning of larger inertial loads. Select the model that best suits your application.
RoHS Compliant
RoHS (Restriction of Hazardous Substances) Directive:
Directive on restriction of the use of certain hazardous substances in electrical and electronic equipment (2002/95/EC).
The RoHS Directive prohibits the use of six chemical substances in electrical and electronic products sold in the EU member states. The six controlled substances are: lead, hexavalent chromium, cadmium, mercury and two specific brominated flame-retardants (PBB and PBDE).
Product Lineup
Model |
Frame Size |
Power Supply |
Type of Output Table Support Bearing |
Permissible Torque |
Permissible Speed |
|
2.36 in. |
Deep-Grove Ball Bearing |
7.9 |
200 |
|
|
3.35 in. |
Cross-Roller Bearing |
24 |
200 | |
|
5.12 in. |
Cross-Roller Bearing | 106 |
200 | |
|
7.87 in. |
Cross-Roller Bearing | 440 |
110 |
|
View Products = View all DG Series products.