New Furnace to Support Annealing, Tempering, and Heat Treatment of Steel and Castings
L&L Special Furnace have announced the delivery of the second FB435 model furnace to Doncaster Precision Castings of Groton CT, a global leader in the aerospace, industrial gas turbine, and automotive markets. This advanced furnace will bolster Doncaster’s in-house annealing, tempering, and heat treatment capabilities, significantly enhancing their production efficiency and cost effectiveness.
The FB435 furnace from L&L Special Furnace features impressive specifications including a maximum temperature of 1850°F (1010°C) and working dimensions of 44" width, 36" height, and 60" depth. The furnace operates in an air atmosphere, equipped with a vertical counterbalanced pneumatic door, and an 18" diameter cast alloy fan. Its cooling system is powered by an automated ventilation system with a 600CFM venturi air mover, ensuring efficient and uniform cooling
Doncaster’s decision to add a second FB435 model highlights the reliable performance and trusted precision of L&L Special Furnace's products. The 6 Zone SSR Control with digital biasing allows for easy balance of temperature gradients, Honeywell process controllers, and a NEMA12 industrial control panel with fused disconnect underscores the furnace's advanced control and safety features. Additionally, the flat castable hearth and robust stack light audible visual annunciator system provide optimized operational functionality.