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               Alpha Step Plus - DG Series

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ORIENTAL MOTOR, is a brand name that has become synonymous with compact, high-output, capacitor type AC fractional horsepower motors and Stepping Motor and Driver Packages of the highest quality and reliability.

VEXTA
 Oriental Motor's VEXTA® line of high performance 2- and 5-phase stepping motor/driver packages and controllers are suitable for high precision positioning control. Stepping motors are capable of highly precise and reliable operation without the use of position detectors. Motor operation is controlled directly through pulse signals, causing the motor to rotate in steps at fixed angles. VEXTA motor/driver packages are factory matched to provide optimal performance and easy installation.
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AlphaStep Motor & Driver Packages with built-in feedback
The AlphaStep is a revolutionary 2-phase, hybrid, geared step motor and driver package which eliminates missed steps, a common problem with stepping motors. The AlphaStep uses a built-in feedback device that constantly monitors the motor shaft to detect and correct for loss of synchronism.  More product information...

5-Phase Stepping Motor & AC Input Driver Packages
Five-phase stepping motors offer high resolution and low vibration, due the fine step angles of the motor. .AC input drivers offer high torque, up to 104 lb-in. with a gearhead, and high speed operation in single-phase 100-115VAC and 200-230VAC inputs. Microstepping models are also available, providing resolutions as fine as 125,000 steps per revolution.  More product information...

5-Phase Stepping Motor & DC Input Driver Packages
Five-phase stepping motors offer high resolution and low vibration, due the fine step angles of the motor. Up to 35 lb-in of holding torque is available with the DC input drivers. Microstepping models are also available, providing resolutions as fine as 125,000 steps per revolution.
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2-Phase Stepping Motor & Driver Packages
Two-phase stepping motors offer high torque, up to 1291 oz-in, even without a gearhead. High resolution models, which cut the step angle in half to produce higher resolution, are available. Both AC and DC input drivers are available to drive the stepping motors.  More product information...

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   AlphaStep Plus

AlphaStep Plus Programmable Motion Control Driver

 The new AlphaStep Plus driver has an integrated controller which ensures a simple, efficient solution to stepping motor applications.  Intelligent, integrated, and ideal for technology's increasing demand on motion control, the AlphaStep Plus is computer-programmable via an RS-232 connection.

                                                                               AlphaStep Plus Brochure (pdf)

 

AlphaStep Plus Features:

  • All-in-one controller, driver and AC power supply with a closed loop 2-phase motor
  • Conforms to RS-232C communication specifications
  • Simple programming, no software to load
  • Up to 14 programs, 64 lines per program
  • Transmission speed: 9,600 bps
  • Data length: 8 bits, 1 stop bit, no parity
  • Link up to four motion sets
  • Data range: -8,388,608 to +8,388,607 pulses
  • Operating speed: 10Hz to 500kHZ (set in 1Hz increments)
  • Four operation modes: (1) Positioning; (2) Mechanical home seeking; (3) Continuous; (4) Electrical home seeking
  • Available with AlphaStep round shaft motors in frame sizes 1.65 in. sq., 2.36 in. sq., and 3.35 in. sq.

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AlphaStep Motor & Driver Packages with built-in feedback

The AlphaStep is a revolutionary 2-phase, hybrid, geared step motor and driver package which eliminates missed steps, a common problem with stepping motors. The AlphaStep uses a built-in feedback device that constantly monitors the motor shaft to detect and correct for loss of synchronism.

Alpha Step Motor & Driver

Features of the Alphastep Product Line:

  • High Response - Like conventional stepping motors, Alphastep operates in synchronism with command pulses.  This makes possible positioning with short strokes in a short time.
  • No Hunting - Since the Alphastep is a stepping motor, it has no hunting problem such as may be found in a traditional servo motor. Therefore, when it stops, its position is completely stable and does not fluctuate.  Alphastep is ideal for applications in which vibration form stopping would be a problem.
  • No Gain Tuning - Gain tuning for servo motors is critical, troubleshooting and time consuming.  Since the Alphastep operates like a stepping motor, there are no gain tuning requirements.  Low rigidity applications, such as a belt and pulley are the most suitable for the Alphastep.
  • Low Vibration at Low Speeds - The driver employs advanced technology that produces smoothness comparable to a micro-stepping driver.  Its vibration level is incredibly low, even when operating in the low speed range.  Alphastep provides resolution as low as 0.036° per step without any damping mechanism or other mechanical device.  Even smoother operation is possible with the geared type.    More product information...

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DG Series Hollow Rotary Actuators
 The new hollow rotary actuators from Oriental Motor combine the precision of the AlphaStep stepping motor and driver with a large-diameter, hollow output table and gearhead.  The output table of the DG series allows direct installation of your load.  For applications performing indexing using belts, pulleys or other mechanical parts, the DG series reduces the number of parts and simplicity in design.

Simplicity in Design!

The drive motor of the DG series is an AlphaStep stepping motor with built-in rotor-position detection sensor.  This combination results in a shorter positioning time.  In addition, the actuator uses a dedicated driver to monitor the motor speed and position information, and switches to closed-mode control the moment it detects the risk of a misstep.  Therefore, acceleration and deceleration times can be shortened for quicker positioning.
The gear-reduction mechanism of the DG series uses precision gears along with a proprietary adjustment mechanism that eliminates backlash.  The repetitive accuracy of positioning from a single direction is ± 15 sec., while lost motion in a positioning operation from two directions is 2min.  These characteristics make the DG series ideal for applications requiring accurate positioning.  More product information...


DG Series Hollow Rotary Actuator 
 

 

 

 

 

 

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