Electrical Transformer Repair and Reconditioning
Precision Mobile Line Boring & Infield Machining Services
Specialized welding, fabrication, and machining services for large electrical transformers, high-voltage substations, and power utility equipment
J.R. Smith Welding Service, Inc. provides specialized welding, fabrication, and machining services for large electrical transformers, high-voltage substations, and power utility equipment. These projects are critical to maintaining the reliability of electrical infrastructure. Our certified team supports utilities and contractors with precision repairs and reconditioning for power generation, hydroelectric facilities, and wind energy systems. By combining AWS-certified welding expertise with engineered repair solutions, we deliver durable, cost-effective results that extend the service life of vital equipment while minimizing downtime. We proudly serve industries across Pennsylvania, New Jersey, New York, Delaware, and Maryland, with the ability to travel further when specialized, certified repair solutions are needed.
Our services include
AWS Certified Welding Repairs, Modifications and Construction Welding.
Transformer Tank Leak Repairs.
Corrosion Repairs.
Frame and Structural Repairs.
Removal and Installation of Weld Installed Load Tap Changers.
Welding and Installation of Flanges, Fittings, Valves, Piping and Radiators.
Broken Stud and Bolt Removal.
Threaded Hole Repairs.
In Field Machining, Boring, Milling, Drilling, Tapping, Flange Face Machining, Key Way Repairs.
Structural Steel Fabrication, Retrofits and Replacements.
Switchgear Floor Replacements, Breaker and Cubicle Repairs.
Sheet Metal Welding and Cutting.
High Voltage Substation Installation and Repair Welding Support.
Large Stator Housing Installation and Repair Welding Support.
Transformer Installation and Field Repair and Upgrade Support.
Why Trust J.R. Smith with Your Machining?
Infield machining requires a unique blend of surgical precision and industrial strength. Since 1986, we have specialized in performing these high-tolerance repairs in unpredictable field conditions. By utilizing advanced boring bar systems and custom-engineered mounting setups, we ensure your bores are perfectly concentric and your surfaces are perfectly flat.
Service Area & Availability
With coverage across the Mid-Atlantic, our mobile machining teams are available for both scheduled maintenance and emergency breakdown support. We follow OEM-approved repair procedures to ensure your equipment returns to service in peak operational condition.