October 27, 2015

Industrial Box Furnace for Leading Manufacturer of Industrial Cutting Tools

Lindberg/MPH announced the shipment of an electrically heated box furnace used for hardening industrial grade saw blades for the woodworking industry. The box furnace is designed with a maximum temperature rating of 2,000°F and normal operating temperature of 1,600°F and work chamber dimensions of 72”W x 48”D x 10”H. The design of the heat treat furnace features a flow through configuration that allows green product to be loaded on one side and treated materials to be unloaded on the opposite side of the furnace. The flow through design provides the customer with an efficient load/unload operation.

The heat treat furnace shell is fabricated with 3/16” mild steel plate and the refractory lining utilizes vacuum formed ceramic fiber modules with low heat storage for fast heat-up rates. The furnace has two (2) chamber doors, one in the front and one in the rear of the furnace, that open vertically away from the furnace using two pneumatic cylinders on each door. Each door has a flame curtain that provides an atmosphere and heat barrier when the doors are opened and foot pedals for ease of operator loading/unloading.

Lindberg/MPH performed factory testing on the heat treating box furnace to verify that it met the tight atmosphere and temperature control requirements of the customer. The equipment utilizes a Honeywell process controller and HMI for supervisory control and data acquisition. A Honeywell excess temperature controller was provided to protect the furnace from an over temperature condition.

“At Lindberg/MPH we work with our customers to design their equipment with the operator in mind. We incorporate features that provide ease of use for the equipment operators and help maximize production efficiencies.” Jason Dobberstein, Application Engineering Supervisor

Unique features of this industrial box furnace include:

• Vacuum formed ceramic fiber modules with low heat storage for fast heat up rates
• Process controller and data storage system
• Inert atmosphere piping and control
• Heavy gauge heating elements for long life
• Double door design with flame screens
• Foot pedal actuated doors
• Spare parts package
• Extended warranty

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