San Antonio Armature’s 20-ton lifting capability coupled with our 8’ Heat Tech VPI system allows us to repair and rewind some of our region’s largest rotating electrical equipment. Our customer-focused service culture ensures our capabilities are delivered to meet the most demanding customer challenges. We strive to keep your critical assets in service and producing.

  • CHECK AND RECORD THE OUT-PUT SHAFT / COUPLING FOR RUNOUT
  • CHECK AND RECORD THE ROTOR END FLOAT
  • DISMANTLE MOTOR
  • CHECK AND RECORD ALL APPLICABLE MECHANICAL FITS
  • STEAM CLEAN AND BAKE ALL WINDINGS
  • DIP AND BAKE WINDINGS
  • DYNAMICALLY BALANCE THE ROTATING MEMBER.
  • CLEAN AND PRIME ALL METAL PARTS.
  • ASSEMBLE MOTOR
  • TEST AND RECORD BEARING / HOUSING INSULATION
  • BLUE CHECK THE SLEEVE BEARINGS FOR SHAFT CONTACT AND ALIGNMENT
  • CHECK AND RECORD SHAFT / COUPLING RUNOUT
  • CHECK AND RECORD ROTOR END-FLOAT
  • CHECK AND RECORD FACE AND RABBET RUNOUT ON VERTICAL MOTORS
  • PERFORM ELECTRICAL TEST, DAR OR PI AND DC HIGH POTENTIAL TEST
  • TEST RUN MOTOR RECORDING THE ESTABLISHED BEARING TEMPERATURES, IDLE CURRENT AND VIBRATION LEVELS
  • TEST ALL ACCESSORIES
  • COMPLETE AND PAINT MOTOR
  • CORE LOSS TEST PRIOR TO STATOR BURNOUT
  • PARTS PLACED IN OVEN AND SUPPORTED TO AVOID DISTORTION
  • CORE SLOTS CLEANED
  • CORE TEETH NOT SPLAYED
  • CORE LOSS TEST AFTER STATOR BURNOUT
  • CORE LOSS DIMENSIONS ARE EQUAL FOR BOTH READINGS
  • MAGNETIC FLUX IS WITHIN 2% OF EACH TEST
  • CORE LOSS CHANGE LESS THAN 20%.
  • WINDING DATA CAPTURED AND SUBMITTED TO COIL VENDOR
  • EASA DESIGN VERIFICATION
  • RTD READING INCLUDING TEMPERATURE
  • WIND STATOR
  • BAKER ANALYSIS TESTING ON CONNECTED WINDING
  • PRE-HEAT WINDING BEFORE VPI OR VARNISH DIP
  • PROCESS COMPLETED WINDING IN VPI SYSTEM (SEE VPI)
  • CURE VPI’D STATOR IN BAKE OVEN