Services Repairs and Overhauls
Sherwood Electromotion Inc. (SEI) supplies products and service solutions for the rail and locomotive industry.
Repairs and Overhauls
Our Repairs and Overhauls services are designed to ensure the optimal performance and longevity of electrical rotating equipment for the rail, transit, and wind generation industries. With a focus on precision, efficiency, and reliability, we provide tailored solutions to restore equipment to peak condition.
- Condition-based repairs
- Catastrophic damage repairs
- Structured overhaul projects
- Rewind and recoil programs
- Bearing replacement programs
Repairs and Overhauls
Our Repairs and Overhauls services are designed to ensure the optimal performance and longevity of electrical rotating equipment for the rail, transit, and wind generation industries. With a focus on precision, efficiency, and reliability, we provide tailored solutions to restore equipment to peak condition.
- Condition-based repairs
- Catastrophic damage repairs
- Structured overhaul projects
- Rewind and recoil programs
- Bearing replacement programs
Condition-based repairs
Condition-based repairs focus on maintaining equipment reliability by addressing issues based on performance data and diagnostic insights.
Our Process for Condition-Based Repairs:
01
Condition Assessment
Using the incoming inspection and test results, we analyze wear, failure points, non-conformances, identifying specific components requiring immediate attention (repair or replacement).
02
Repair Recommendation
A detailed repair scope is created, highlighting the necessary actions, from minor fixes like tightening fasteners to major interventions such as rewinds or component replacements.
03
Execution of Repairs
Repairs are carried out by our skilled technicians using precision tools and OEM-compliant parts to ensure long-lasting results.
04
Post-Repair Validation
Following repairs, the equipment undergoes thorough testing to confirm restored functionality, efficiency, and reliability.
Catastrophic damage repairs
Our Catastrophic Damage Repairs service is designed to restore heavily damaged electrical rotating equipment, such as traction motors and wind generators, to full operational capacity. This service addresses severe equipment failures resulting from mechanical breakdowns, electrical faults, environmental events, or operational stress. By leveraging advanced diagnostics, expert craftsmanship, and high-quality materials, we ensure a complete restoration to OEM or better-than-original standards.
Key Features of Catastrophic Damage Repairs
- Root Cause Analysis:
Our team conducts in-depth investigations to determine the root cause of catastrophic failures, such as electrical surges, mechanical overloading, or external impacts. - Component-Level Inspection:
Each affected part, including windings, rotors, bearings, insulation systems, and housings, is carefully inspected for damage severity and repair feasibility.
- Structural Repairs:
Damaged frames, housings, and mounting components are repaired or replaced to ensure structural integrity and alignment. - Winding Replacement:
For motors and generators with severely burned or shorted windings, we provide full rewinding services using high-grade insulating materials and custom winding designs. - Shaft and Rotor Reconditioning:
Warped or cracked shafts and rotors are machined, balanced, or replaced to restore mechanical performance. - Electrical System Rehabilitation:
Short circuits, arcing, and insulation breakdowns are addressed with high-precision repairs, ensuring optimal electrical functionality
During repairs, we offer the option to upgrade materials, components, or designs to enhance durability, efficiency, and overall performance. For example, replacing standard bearings with high-performance alternatives or upgrading insulation systems for better heat resistance.
- Performance Testing:
Once repairs are complete, the equipment undergoes rigorous testing to verify that it meets or exceeds OEM standards. Tests include load simulations, efficiency evaluations, and vibration analysis. - Compliance Certification:
We ensure repaired equipment complies with industry standards and other relevant guidelines.
Structured overhaul projects
Our Structured Overhaul Projects provide comprehensive refurbishment services for electrical rotating equipment, including traction motors, generators, and auxiliary systems used in the rail, transit, and wind energy industries.
Key Features of Structured Overhaul Projects
Comprehensive Assessment and Planning
- Initial Evaluation:
Each project begins with a thorough inspection and evaluation of the equipment, including wear analysis, performance diagnostics, and root cause identification for any existing issues. - Customized Overhaul Plan:
A detailed plan is developed, outlining the scope of work, timeline, required materials, and specific repair or replacement actions.
Disassembly and Inspection
- Complete Breakdown:
The equipment is carefully disassembled to inspect all components, including windings, bearings, shafts, insulation systems, and structural elements. - Detailed Reporting:
Findings are documented with a focus on identifying worn, damaged, or degraded parts. This provides transparency and facilitates informed decision-making.
Precision Repairs and Refurbishments
- Component Repairs:
Damaged or worn components, such as rotors, stators, or housings, are repaired using advanced techniques to restore functionality and structural integrity. - Replacements:
When components are beyond repair, high-quality replacements are sourced, ensuring compatibility and durability.
Upgrades and Modernization Options
As part of the overhaul process, customers can opt for upgrades to enhance performance, reliability, or energy efficiency. This includes advanced insulation systems, improved winding designs, or upgraded bearings.
Reassembly and Alignment
- Precision Reassembly:
The equipment is meticulously reassembled, ensuring proper alignment, balance, and mechanical integrity. - Lubrication:
Critical adjustments, such as optimal lubrication, are performed to ensure smooth operation.
Rigorous Testing
- Performance Testing:
Overhauled equipment undergoes extensive testing, including load simulations, vibration analysis, electrical diagnostics, and thermal evaluations, to validate its performance and reliability. - Compliance Certification:
We ensure the overhauled equipment meets or exceeds OEM standards and industry regulations.
Documentation and Support
- Final Reporting:
A comprehensive report is provided, detailing all actions taken and final test results. - Ongoing Support:
Post-overhaul support is available to assist with any operational concerns.
Would You Like Connect With Our Sales Team?
Sherwood Electromotion Inc. is dedicated to quality reliable service. Whether you’re looking for a specific part or product or searching for excellent service, our team is here to help. Feel free to give us a call or send us a note with any questions or concerns you may have.
