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Unique, new 20 bar furnace expands vacuum heat treating capabilities at Solar Atmospheres of Western PA

Solar Atmospheres of Western PA recently commenced operation of a new custom-built horizontal 20 bar vacuum furnace (40" wide x 50" deep x 36" high, 3500 max load) at its Hermitage facility. Designed and built by sister company Solar Manufacturing, it is the fastest cooling furnace in the Solar fleet and one of only a few of its kind in the U.S.

The excessive pressure and high speed gas velocities of the 20 bar furnace simulates oil quenching. However, using inert gas as an alternative to oil minimizes distortion and provides a much cleaner and greener process. Solar can also better serve customers requiring vacuum carburizing by increasing core hardnesses of large cross-sections. This is a particular benefit to those in the gear industry. President Bob Hill states, "By adding these unique capabilities of the 20 bar quenching to our repertoire, we can now effectively process a wider range of materials and assist more customers than we could with our 10 bar furnaces."

The unique cooling capability of this high-tech furnace was recently put to the test by processing a 2,000lb., 40" tall valve casing with a 3" maximum cross section. This 4140 fully- machined weldment was austenitized at 1575?F +/- 10?F. After the 20 bar nitrogen quench, the resultant hardness was HRC54 with a fully martensitic structure. The part was then tempered to specifications and delivered to the customer with minimal distortion.

These results were made possible through many innovative furnace features that improve gas velocities by a factor of three. The newly designed fan and improved gas-flow system minimizes pressure drops and increased gas velocities to nearly 200 MPH. State-of-the-art technology is incorporated throughout the furnace including an interactive touch screen SolarVac™ 4000 interface and a compact design. The furnace will be commissioned to process to stringent pyrometry specifications for aerospace customers including Boeing.

Press release issued by Solar Atmospheres of Western PA Inc. on July 27, 2012


 Contact details from our directory:
Solar Atmospheres of Western PA Inc. Stress Relieving, Inspection Service, Vacuum Processes, Heat Treatment
Solar Manufacturing Vacuum Equipment, Industrial Ovens


 Related directory sectors:
Production Equipment
Heat Treatment

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