Whedco Motors
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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 motors
Servo 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
A&C Electric has referbished Whedco motors for sale online. A referbished motor can cost 50-70% less than a new motor, while functioning the same. Our technicans will dismantle, clean and inspect all motors brought in. We will replace any parts with OEM Whedco parts. All services we offer for Whedco motors include:
If you don't see the Whedco motor you need in stock, contact us today to get more information.
A&C Electric is a certified distributor service center.