Complete pin and bushing joint replacement and repair
J.R. Smith Welding Service, Inc. provides complete pin and bushing joint replacement and repair services—whether at your facility or directly on-site at your project location.
AWS-certified welding and fabrication using engineer-designed repair procedures
Line boring, facing, and snap ring groove cutting
Drilling, tapping, and counterboring
In-field removal of frozen pins with our 150-ton hydraulic press, high-capacity flame heating torch, or exothermic cutting and piercing torch
Removal of broken bolts
Repair and restoration of damaged threaded bolt holes to original specifications
Installation of grease ports and lubrication veins
Hydraulic press installation of bushings
Liquid nitrogen shrink-fitting of pins and bushings
Our specialized techniques ensure precise fit, lasting durability, and dependable performance in every repair.
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.
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.
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.
