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Product Bulletin - Controlled Atmosphere Brazing Furnace Systems

Flux Application Methods

Paint Flux Station

The paint fluxing machine is capable of applying flux with a binder on heat exchanger parts prior to assembly. The presence of a binder allows for the pre-fluxed parts to be assembled without the risk of removing the applied flux layer.

TECHNICAL DATA Application - designed for fluxing of following header plates: Dimensions /lxbxh/ - 467x 59x1,5mm quantity flux3-5 gr/m2 dry flux Output Capacity - 2000 pieces per hour Effective conveyor width - 600 [mm] Conveyor belts speed - 0,25 through 5 [m/min] Load Pass Height - 1000 [mm]

Why Paint Fluxing?

• A Paint-Fluxing system improves the brazing process and decreases the number leaks on the core due to better application of flux on the headers and manifolds.
  
• Applying additional amounts of flux to headers and manifolds during final fluxing is not required – this will provide less flux consumption and less time needed for flux application.
• This method will enable flux to be applied on the surfaces which are inaccesible after the assembly of heat exchanger. I.e. all oil cooler plates. Therefore it becomes a standard in brazing oil coolers.

Wet Fluxer

Standard Wet Fluxing EquipmentAfter the products are cleaned, a wet flux slurry is applied to the core by means of spraying for external coverage and dipping for internal coverage. The flux is mixed into a slurry form using treated water or de-ionized water, which prohibits natural salts from being deposited on the heat exchanger. The flux slurry is sprayed onto the products by means of an adjustable spray header manifold. Adjustable nozzles are also provided to apply the flux to precise header locations as required.An air knife is used to remove the excess flux slurry from the core face prior to exiting the fluxer. The excess flux will be recirculated and returned to a flux tote tank. The tote tank is the reservoir for the premixed flux slurry and is provided with an agitator to keep the flux from settling as it is insoluble in water.

Features:	Options:
Stainless steel construction	Fully automated system for a variety of core configurations
Recirculated flux solution with diaphragm pumps	Dual concentration flux applications for core face and tube/header joints
Overlapping header spray nozzles	Dip/spray fluxing for internal applications
Adjustable nozzles for specific locations	Flux concentration monitoring systems

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

©1995-2008 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.

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