Vitronics Soltec Flux Spray Module

Component Name: Flux Spray Chamber/Module.

Core Function: This is a closed-loop spray chamber. The PCB board undergoes precise flux spraying within this chamber. The surrounding mesh baffles act as wind deflectors/shields, isolating flux mist generated during spraying to prevent contamination of the oven cavity and ensuring the spraying area remains within the correct range.

Key Structure and Function
Mesh Shield (Perforated Shield): The metal plate with densely packed small holes shown in the image is for evenly distributing the air knife/airflow.

It prevents flux droplets from splashing into other heating zones within the furnace, while simultaneously allowing exhaust gases to be drawn away through the top vent, maintaining a clean spraying environment.

Internal Chamber (Spray Chamber):
The interior houses the flux nozzles.

The white blocks on the left and right sides are typically high-temperature resistant sealing/insulating pads, preventing flux from seeping into the equipment.

Common Faults and Maintenance (Inferred from Structure):

The structure shown in this photo is very precise; improper maintenance can lead to production failures:
* Nozzle Clogging: Flux residue can clog nozzles, causing missed or uneven coating on the PCB board.
* Seal Aging: If the sealing pads (white parts) on both sides age and deform, flux leakage can occur, corroding surrounding electrical components.
* Filter Accumulation: Excessive flux residue buildup inside the chamber can affect spraying accuracy and venting efficiency.

Reference Original Part Numbers

Although the image doesn’t directly show the part number, common original part numbers for this type of spraying module are as follows. You can refer to the equipment manual to find them:

Main Frame / Assembly: Similar to L600470 (Spraying Chamber Assembly)

Seals / Gaskets: L600471 (Sealing Kit)

Nozzle Assembly: L600466 (Fluorescence Nozzle)