Electrically Heated System treats aluminum sheets in labs.
February 25, 2008 -
Along with pneumatically operated quench system, Electrically Heated Solution Treat System is built with furnace that has 1 ft x 1 ft 6 in. x 1 ft basket and 1,200ºF max operating temperature. Load can drop into quench tank or onto load/unload platform for ambient air cool. Featuring bottom-up airflow, system achieves part temperature uniformity of ±3°F @ 875° and 1,055°F with no overshoot. It is controlled via Allen-Bradley Micrologix 1500 PLC.
Wisconsin Oven designed and manufactured an Electrically Heated Solution Treat System for sheets of aluminum in a lab environment. The furnace has a 1'6" wide x 1'0" long x 1'0" high basket size and a 1,200º F maximum operating temperature.
The equipment features a pneumatically operated quench system that provides a quench time less than 3 seconds from when the doors open until the load is fully submerged. The pneumatically operated doors open and the load is dropped automatically. The load can either drop into the quench tank or onto the load/unload platform for an ambient air cool.
This convection furnace is constructed with 6" thick can construction with 3/16" thick carbon steel plate exterior and 18 gauge stainless steel interior. Handrails and ladders are included to provide access to the side mounted and roof mounted equipment. Stainless steel lubrication lines are provided to the furnace mounted bearings for manual lubrication with a grease gun.
The heating system features plug-mounted Ni-Cr open wound heating elements rated at 48 KW with SCR power control. The recirculation system provides bottom up airflow that delivers the heated air from ductwork located on two sides of the chamber below the basket, and rises up vertically through the work. The recirculation blower, rated for 6,000 CFM at 5 HP, is controlled by a variable frequency drive to slow the fan down when the doors are open. The unit achieved a part temperature uniformity of ±3º F @ 875º & 1,055º F with no overshoot.
The non-heated traveling quench car features a chiller cooling system to keep the water quenchant below 100º F. The 12 gauge, 304 stainless steel quench tank is sized to allow a 10º F maximum water temperature rise. Limit switches are provided to properly position the tank for loading, unloading, water quench, air quench, and maintenance.
The UL labeled and certified NEMA 12 control enclosure is mounted on the oven, and includes a main power disconnect switch. The controls feature an Allen-Bradley Micrologix 1500 PLC with a PanelView Plus 1250 touch screen (12.1" display) for operation of the equipment. The temperature of the oven is controlled through a micro-processor based digital instrument from Eurotherm. Over-temperature protection also is provided through a digital instrument from Eurotherm.
For further details on this equipment, or if you would like to work with us on another application, call Gary Hanson at (262) 642-6006, or by email at ghanson@wisoven.com.
Contacts:
General Information:
Gary Hanson Senior Application Engineer
USA
Phone: 262-642-6006 E-mail this person Company Information: Name: Wisconsin Oven Corp. Address: 2025 Young St. City: East Troy State: WI ZIP: 53120 Country: USA Phone: 262-642-3938 FAX: 262-363-4018 http://www.wisoven.com
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