TL Precision has expanded its laser drilling capability to offer precise, geometrically-shaped cooling holes for gas turbine components. Cooling holes are installed on transition pieces, vanes, and blades to minimize thermal damage; allowing the engine to operate at a higher combustion temperatures, which increasing the engine efficiency. Geometric-shaped cooling holes on transition pieces, vanes, and blades improve cooling performance and minimize thermal damage. Turbines operate at higher combustion temperatures for greater efficiency.
Chemical stripping removes thermal barrier bond coatings in aircraft and power generation turbine components to allow turbine parts to be repaired and put back into use. Lab analysis demonstrated nominal depletion of the base material and low environmental impact, compared to grit blasting technique. Thermal barrier coatings protect the base metals of turbine components from high combustion temperatures that approach or exceed the design limits of many metal alloys. Increasingly, a bonding coat of MCrAlY or other chromide or aluminide material is applied between the metal substrate and the top thermal barrier coat to increase [...]
Published in Design For Laser Manufacture Magazine Turbine engine repair and refurbishing is a rapidly growing business requiring specialized equipment and experience. Leading engine manufacturers are more frequently outsourcing this activity, demanding the highest quality work from their suppliers. This requires a dedication to continually improving the laser processes and quality while providing fast turnaround time. TL Precision Welding, Inc. of Houston, Texas is a 12 person laser contract shop started in 1997 that serves this important and growing area of the turbine engine industry. The success of their early engine refurbishing work has led [...]