A leading U.S. manufacturer of high-quality alloy steel and carbon steel closed-die forgings will have five furnaces installed and their combustion system updated between May and December 2023. Onsite work will be completed one furnace at a time, so that in any given month no more than one furnace will be out of operation.
This project involves five new lift-up furnaces from Nutec Bickley – two for tempering and three for austenitizing. Each furnace will be fitted with a NFPA 86 compliant combustion system. Operation will be based on a fuel-only control system (fixed air modulating gas). When complete, the newly lined units (9in/23cm thick ceramic fiber modules) will work to operational temperature ranges of 900°F–1950°F for the austenitizing furnaces, and 840°F–1600°F for the tempering furnaces.
The control panel will be installed next to the existing furnace panels and will be prewired and positioned before the furnace replacements begin. They will be wired across the quench pit to the local furnace areas prior to the first furnace being converted. A master PLC will be supplied to integrate the five furnaces and communication with the two existing quench tanks, manipulator/charging machine, the two panel views, the SCADA system, two recording units, and the central hydraulic system.
“[O]ur observation over many years in this sort of undertaking is that the closer the cooperation and the better the flow of information, then the nearer one can get to the optimum progress levels,” commented Rodrigo González, VP Metals at Nutec Bickley.
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