Harmonic Drive Servo Motor Repair & Testing
Servo Lab Capabilities
We have documented 96 different Servo Manufacturer repair reports in our Database
We repair AC Servos, DC Servos, AC Spindles, and AC Actuators
Capable of 24-hour repairs in many cases
We have thousands of spare and rebuilt motors in our inventory for parts or exchange motorsServo Lab Repair Procedures
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Data
Motor nameplate data is recorded
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Inspection
A visual inspection of any damage to the motor.
We check for- Damaged Leads/Terminals
- Worn output shaft/keyways
- Cracks in end bells or covers
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Job Ticket
We complete to full write up off all motor data
Including- All winding tests (Resistance, Meg Ω, Continuity)
- All bearing sizes
- All seal sizes
- Brake torque tests (Record Torque, winding resistance)
- Feedback Tests (Tachometer/Encoder)
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Motor Disassembly
- Bearing and seal sizes are recorded
- Bearing fits are measured on shaft and End bell
- Brake torque is measured as well as resistance and Meg Ω
- More winding tests are performed (Surge and HiPOT tests)
- Stator is then washed and baked in oven
- Magnets are inspected for cracks or if loose on shaft
- Encoder is tested with either (Heidenhain PWM20, Sick PGT-11, or Mitchell Electronics equipment)
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Assembly
- New bearings are installed
- New seals are installed
- If required, new windings are impregnated
- Brakes are rebuilt or replaced depending on manufacturer design.
- Rebuilt or New encoders are installed and aligned using:
- (Heidenhain PWM20, Sick PGT-11, or Mitchell Electronics equipment)
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Rotor Balancing and Testing
- Rotor is run through a full vibration diagnostic
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Run Testing
- Every Motor is Run for a minimum of 1 hour using one of our drives.
- We use Siemens S110, S120, IndraDrive, AB Kinetix 300, Yaskawa 7, and AMC drives
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Service Report
- A Final 3-page Service Report is filled out
- Pinout diagram for power and feedback is provided
- Brake torque is recorded a final time for our Service Reports
- A photo of nameplate and motor is attached
- A motor tag is installed on motor with QR code linking Service Report and Job Histories
- If requested, a YouTube link is attached to the service report of motor
Harmonic Drive engineers and manufactures precision servo gearheads, actuators, and motors for industrial application. Though they provide standard motors, many of their products are custom-engineered to meet their client’s needs. This can make finding a replacement or getting your Harmonic Drive motor repaired an arduous and time consuming process. That’s where we come in.
Here at A&C Electric, our team of expert servo motor repair specialists have seen enough to fix even your custom-designed Harmonic Drive motor. We understand how stressful a broken motor can be, and more importantly, how much that downtime can cost you. That’s why we do everything in our power to get your motor back and working for you as quickly as possible…and all for a great price too! If you see your Harmonic Drive model in the list below, give us a call to learn how we can save you time and money today. We’re ready to answer any questions you may have, and are always happy to help. We also offer repair services for industrial motors including gear boxes and AC 3 phase motors.
