Product Bulletin - Controlled Atmosphere Brazing Furnace Systems
Vacuum Purge Batch CAB Furnace
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| Vacuum Purge Batch CAB Furnace |
The vacuum purge batch CAB furnace is an advanced hot wall, front loading retort furnace with vacuum purging especially designed for Nocolok®* aluminum brazing. The standard furnace hot zone is 600 mm x 600 mm x 900 mm, however SECO/WARWICK can custom engineer furnaces to suit the application.
This furnace has a compact design with an internal recirculation fan and external cooling air blower. The packaged furnace system consists of the heating system, vacuum pumping system, nitrogen system and atmosphere controls.
The brazing cycle begins with vacuum purging of the stainless steel retort with N2 backpurge, followed by fast and uniform heating up to brazing temperature. When the soak cycle is complete, the cooling cycle is initiated.
The advantage of a vacuum purge batch furnace is that it is always ready for work at room temperature, and it is cold when the cycle is completed. No pre-heating is required.
SECO/WARWICK has extensive experience in the design and manufacture of both vacuum and CAB brazing systems. The furnace system produces superior brazing results with respect to temperature profile, temperature uniformity and atmosphere conditions. All functions of the furnace are controlled by a PLC computer controlled operating system.
For highly sophisticated R & D requirements, a special version vacuum purge CAB furnace is available. This special design enables precise control of the heating and cooling speeds during the entire cycle. Atmosphere conditions like oxygen and/or dewpoint can be set on the defined level. This batch type furnace allows the user to simulate a wide range of brazing conditions that would be experienced in a continuous furnace.
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*Nocolok® is a registered trademark of Solvay Fluor & Derivate GmbH
P. O. Box 908 180 Mercer Street Meadville, PA 16335-6908 USA
Phone (814)332-8400 - Fax (814)724-1407
info@secowarwick.com
©1995-2009 SECO/WARWICK Corporation All Rights Reserved.
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.