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Product Introduction
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Technical Reference 
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Safety Standards
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Quality Management
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AC Input Stepping Motor and Driver Package
5-Phase RK Series
The RK Series incorporates new functions and state-of-the-art technologies to achieve the ultimate use of a control motor. The series offers various types including the standard type, electromagnetic brake type, IP65 rated motor type, and four geared types. Three frame sizes of 42 mm, 60 mm and 85 (90) mm are available. The wide range of motor variations and affordable prices make the RK Series a perfect solution for your various applications.
Smooth Drive Function
The smooth drive function ensures low-vibration and low-noise operation at low speeds by internally executing microstepping within the driver, working independently of the input pulse frequency of your controller.
Environmentally Friendly Energy-Saving Mode
In the energy-saving mode, the supply of current to the motor is stopped and the load is held only with the electromagnetic brake while the motor remains at a standstill. Stopping the supply of current to the motor extends the motor life by limiting the consumption of energy. (Available only with electromagnetic brake type)
Microstep Drive System
The motor's basic step angle is divided by a maximum of 1/250 without the use of a reduction mechanism or other mechanical elements. 16 resolution levels are available to set the desired resolution. This enables fine positioning and the further reduction of vibration and noise. A motion sequence of "low-speed transfer ￫ high-speed return" can easily be performed without the need for hanging from a microstep pulse frequency to a full step pulse frequency. The RK Series can also be used in full-step operation.
Improved Angle Accuracy
Angle accuracy may decrease during use of microstep drivers, due to the effect of current control. However, the drivers used in the RK Series are designed to ensure that the motor operates at maximum accuracy.
Improved Response
The RK Series, with its high starting frequency, shortens the machine cycle without affecting acceleration/deceleration rates. This produces a significant savings in time for an operation in which the same cycle is repeated thousands of times each day.
 | RoHS-Compliant |
| 5-Phase RK Series | |
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| 5-Phase RK Series | |
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