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FANUC alpha i Series Servo Motor Repair

Servo Motor Send-In Repair » FANUC Motor Repairs » FANUC alpha i Series Servo Motors

FANUC’s Alpha I Series servo motors are compact and efficient servos that provide ultra smooth rotation, quick acceleration, and high speed operation. They are optimized for precision. 

These are excellent servos worth keeping around. If yours is in need of maintenance or repair, send it to us and we’ll get it back to you and working like new in no time.

 The FANUC AC Servo Motor alpha iS series and alpha i series has been designed for machine tool feed axis applications. This servo motor alpha i series has the following features:

  • Smooth rotation - The special magnetic pole shape minimizes torque ripples which, when combined with precise current control and accurate Pulsecoder feedback, enables extremely smooth motor rotation.
  • Excellent acceleration - The use of a special rotor shape results in motors that are smaller and lighter than previous models, but which can develop a high level of torque. These motors, therefore, provide excellent acceleration characteristics.
  • High reliability - A totally-enclosed, friction-free brushless design is used. This allows the servo motors to be used in demanding environments with no need for special checks or maintenance.
  • Built-in, high-precision sensor - A low-indexing-error optical encoder (Pulsecoder) is built into the motors. This Pulsecoder enables precise positioning. Pulsecoders that output 1,000,000 or 16,000,000 pulses per rotation are available. As such, the a series motors can be used for positioning applications ranging from simple positioning to those requiring a high degree of precision.


A & C Electric Company is the leader in FANUC Alpha i Series servo motor repair. We will repair your motor with FANUC OEM parts and guarantee the repaired motor for two years. Our motor repair center in Michigan gives you fast turn-around for servo repairs, especially for customers in the Midwest. Ensuring your FANUC Alpha i Series is back, limiting downtime and helping your bottom line.

If you think your motor’s repair would be too costly or the machine needs to be up and running now, discover our stock of ready to go refurbished FANUC motors.

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41225 Irwin Rd, Harrison Township, MI 48045 USA
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