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CRESS

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FURNACES

AE DUAL CHAMBER FURNACES

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FLOOR STANDING AE DUAL CHAMBER FURNACES

USES: Designed for those who desire a large hardening furnace plus a separate furnace for tempering or drawing, all within a Minimum floor space. The two chambers allow for immediate tempering or drawing after quench without waiting for the hardening furnace to cool to the lower temperature required.

CONTROLS: Both chambers are equipped with their own Cress Autotuning Microprocessor Based Controls, Chromel-Alumel^® thermocouples and Contactors. A switch is provided to turn off elements when either door is opened. Fan stops when lower door is opened. An independent backup control, with contactor and thermocouple, on each chamber is standard.

ELEMENTS: High temperature wire elements are coiled and mounted in easily removable porcelain element plates on each side and bottom of both chambers. Elements are also located on the doors of both chambers.

GENERAL CONSTRUCTION: Case is constructed of galvanized sheet metal and mounted in angle steel frame. Space is provided for air circulation between chambers and underneath the lower chamber.
Door of upper unit rises vertically and the door of the lower unit swings to the side. A chrome plated refrigerator type latch is used to hold lower door closed. OPTION: Both doors side opening.
Lower unit is equipped with a stainless steel, centrifugal type fan to circulate the air and provide very close temperature gradients. Fan is operated by a 1 HP motor.
Easy access to controls and wiring is provided by removable panel on control cabinet.

Performance Specifications

Model Wall Thickness Upper Chamber Dimensions W x L x H in" Lower Chamber Dimensions W x L x H in" Overall Dimensions W x L x H in" Max. Upper Temp. Max. Lower Temp. KW Input Wgt. AE-1520-D 4" 15 x 20 x 15 15 x 15 x 15 33 x 46 x 67 2250°F 1250°F* 18 2000 AE1824-D 4" 18 x 24 x 18 18 x 19 x 18 36 x 50 x 70 2250°F 1250°F* 27 2500 AE1836-D 4" 18 x 36 x 18 18 x 31 x 18 36 x 62 x 70 2250°F 1250°F* 36 3200 AE1848-D 4" 18 x 48 x 18 18 x 43 x 18 36 x 74 x 70 2250°F 1250°F* 41 4000

All Standard 230 VAC, 3 Phase, 60 Cy.

Options: 208 or 460 VAC, 3 Phase.

*Maximum Temperature 2000°F

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