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