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Controlled Atmosphere Aluminum Brazing

Convection Preheat/Radiation Braze Furnace

When your brazing needs are more diverse, a combination of convection preheating and radiation brazing could be your answer. The addition of convection preheating to a radiation braze chamber improves the furnaces overall flexibility, enabling manufacturers to braze products of different mass and dimensions without changing the furnaces set point parameters.

Convection Preheat Radiation Braze CAB Aluminium Brazing Furnace
Convection Preheat/Radiation CAB line for production of automotive radiators with 5 Preheat & 5 Braze zones

 

As the picture demonstrates, the preheat chambers uses both convection heating and radiation heating to uniformly preheat the products in a continuous cycle. Once preheated to approx. 540 degrees C (1000 degrees F), the heat exchanger moves into the radiation brazing section and is brought to and held at a uniform temperature to allow the cladding to melt and form a joint. This type of furnace also uses stainless steel convection preheat and radiation muffles.

Furnace Type

Radiation

Convection Preheat/Radiation

Convection

Time to Braze High Medium Low
Product Intermixing Low Medium High
Atmosphere Consumption Low Low Medium
Maintenance Low Low Medium
Flexibility Low Medium High
Cost Low Medium High
 

Typical System Configuration

Convection Preheat Radiation CAB Aluminium Brazing Furnace

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SECO/WARWICK CAB Brazing

P. O. Box 908 180 Mercer Street Meadville, PA 16335-6908  USA
Phone (814)332-8400 - Fax (814)724-1407
info@secowarwick.com

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The latest design, materials and equipment specifications should be obtained from the company before any reliance is placed on the enclosed since changes may occur due to product improvement.

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