Lucifer Furnaces sold a dual-chamber furnace to LMC
Industries, a full-service
metal stamping and molding company base in Arnold, Mo. The furnace will be used for processing tool steels
in LMC’s tooling
facility, which supports both its stamping and molding divisions.
The Model
HL82-H24 was chosen because it provides the versatility of heat treating
a wide variety of tool steels, including powder metals such as CPM. Built with 5 inches of multilayered
firebrick and mineral-wool
block insulation, the
9-inch x
12-inch
x 24-inch upper
chamber heats to 2300°F.
Easy-to-replace
heating elements are mounted on the side walls and door in removable panels
with V grooves open to coils, providing maximum radiation and faster heat
response. A lower tempering chamber with the same dimensions, built with
4.5 inches of
insulating firebrick and mineral-wool block, heats to 1200°F. Both
chambers are controlled by Honeywell UDC 2500 microprocessor-based
digital time-proportioning
temperature controllers with a separate high-limit controller on the upper
chamber.
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