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"The DELTA H aluminum heat treating system proved itself for our tough aerospace requirements.  That's why we ordered our second and third systems."
Tom Young, Director of Aircraft Structures Modification and Repairs
Dee Howard Aircraft Maintenance, LP
"DELTA H's knowledge of heat treating processes allowed us to acquire an oven that was capable of meeting or exceeding all aerospace pyrometry specifications at a low cost with solid training, technical, and warranty support."
Jeff Bonner, President
Jeff Bonner R & D, Inc.

DUAL CHAMBER ALUMINUM HEAT TREATING SYSTEMS


General Description:
The DELTA H SYSTEMS Model DCAHT-181248-1100/500 is a dual chamber oven system designed for performing a wide variety of aluminum heat treating applications including:  solution heat treating, annealing, and aging (precipitation hardening).  This system is ideal for aerospace or industrial aluminum heat treating job shops, tool rooms, and research and development applications where extreme flexibility is required.  A high temperature chamber is used for solution heat treating and annealing and is designed for efficient operation between the temperatures of 400 degrees F and 1100 degrees F.  The low temperature chamber is used for aging and is designed for efficient operation between the temperatures of 200 degrees F and 500 degrees F.  A stainless steel, roll away, quench tank is featured under the system and used for quickly quenching loads in water. 
Operation:
Loads for solution heat treating are placed in a basket and then into the lower chamber (can also be placed on the hearth).  Upon completion of the required time at temperature an alarm sounds to notify the operator that the heating cycle is complete.  The door is manually opened and the basket, or parts, are quickly pulled from the chamber and immediately submerged in the quench tank positioned in front of the oven.  Loads for annealing are placed in the lower chamber and the required temperature profile is controlled by a programmable setpoint temperature controller.  Loads for aging are placed in the upper chamber at the desired setpoint temperature for the desired length of time.
Standard Sizes (Both Chambers):
12" High, 18" Wide, 48" to 72" Deep
16" High, 24" Wide, 48 to 72" Deep
Custom Chamber Sizes Available
Design and Performance Specifications:
The design standards for the oven system are per National Fire Protection Association publication NFPA-86, Ovens and Furnaces, 1995 Edition.  The system is designed to meet the initial and periodic inspection, calibration and certification standards for temperature uniformity, load heating recovery, and temperature control specification requirements as stated per: 
  • Boeing Process Specification BAC 5621
  • McDonnell Douglas Corporation - Douglas Process Standard DPS 1.7000
  • SAE - Aerospace Material Specification AMS 2750 Pyrometry
  • Military Specification MIL-H-6088C.

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