Sherwood Electromotion Inc. (SEI) offers a wide range of effective and flexible service solutions, designed to improve functional reliability, enhance operational performance, and increase life-span of serviced equipment. All services performed by SEI, whether its for a single motor or for an entire traction motor fleet, comply with OEMs’ service guidelines, meet customers’ requirements, and adhere to Quality Management System’s procedures.

SEI also offers flexible and customized service option in a format of special workscopes, dedicated service programs, or other specific arrangements that meet customers’ technical, commercial, logistic, and scheduling preferences or requirements. SEI also utilizes controlled processes and specialized tests at its facilities to ensure optimum quality and reliability of the serviced equipment.

SEI's Services Offering

  • Tests and Diagnostics
  • Fault and Root Cause Analysis
  • Modifications
  • Performance Analysis and Improvements
  • Engineering Evaluation and Development
  • Condition Based Repairs
  • Options
  • Catastrophic Damage Repairs
  • Structured Overhauls
  • Rewinds and Recoils
  • Insulation Systems Improvements
  • Components Replacement and Modifications
  • Equipment Upgrades and Conversions
  • Equipment Controlled Storage
  • Equipment Unit Exchange (UTEX) Options
  • Equipment Life Cycle Management
  • Prototype Assembly and Testing
  • Contract Manufacturing

SEI's Processes

  • Coils Manufacturing
  • Metal Plating
  • Brazing and Welding
  • Painting
  • Spin Seasoning
  • Dynamic Balancing
  • Vacuum Drying
  • VPI with Silicon or Polyester Resin
  • Static or Rotational Curing

SEI's Tests

  • Winding Resistance
  • Insulation Resistance
  • AC/DC high Potential
  • Surge
  • Core Loss
  • Temperature
  • Vibrations
  • No-Load Run
  • Load Run

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