Wisconsin Oven Ships Annealing Furnace to Firearm Manufacturer

Posted:
Sep 27, 2018

Wisconsin Oven Corporation announced the shipment of an electrically heated annealing furnace to a firearms manufacturer. This conveyor furnace will be used for annealing an assortment of brass and bronze firearm caps.      

The annealing furnace has a maximum temperature rating of 760° C (1,400° F) and a normal operating temperature of 300° to 650° C (572° to 1,202° F). The work chamber dimensions are 3'0" wide x 9'0" long x 6" high. The conveyor furnace, when preheated, has the sufficient capacity to heat 225 kg of product per hour from 23° C to 650° C.

The recirculation system was designed with bottom-up airflow. The continuous conveyor system utilizes a pintle chain driven wire mesh belt and variable frequency drive for adjustable conveyor speeds. High temperature profile curtains with external vestibules on both ends of the conveyor reduce heat spill out and improve temperature uniformity. A guaranteed temperature uniformity of ±10° C at 300° & 650° C (±18° F at 572° & 1,202° F) for a minimum of 33 minutes was documented.

“This conveyor furnace was designed with features to maximize temperature uniformity throughout the work chamber to ensure optimal part results for the customer.”

 -Tom Trueman, Senior Application Engineer

Unique features of this annealing furnace include:

  • Guaranteed temperature uniformity of ±10° C at 300° & 650° C
  • Wisconsin Oven’s patented high efficiency Expandable Surface™ design
  • High temperature profile curtains on both ends of the conveyor
  • Variable frequency drive for conveyor system
  • Programmable temperature controller with fast acting auto-tune
  • High limit controller
  • Proof of conveyor movement sensor

#12862A

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