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Foam-Fluxer & Preheating Unit
This piece of equipment is used for fluxing and activating the fluxed PCB Assembly and preparing it for the soldering opertion.lt incorporates the following stages:
FORM-FlUXER; This generates a stable wave of foam (microscopic bubbles of flux) when air* is diffused and forced through the liquid-flux by a special device. The PCB assembly is passed over the foam-wave and the flux is applied on the lower side of the PCB.
AlR-KINFE : This is used to level off the flux applied by the foam -fluxer and blows off excess solvent from the flux on the PCB.
PRE-HEATER: This is used to activate the flux and bring the whole PCB assembly to a uniform temperature (around 90-100°C) to avoid thermal shock/stress when the assembly undergoes the solgering operation (control by Digital Temperature controler).
TRANSPORTATION: The PCB is conveyed through the above stages on a PCB carrier (2 Nos. Supplied with the equipment) moving on a pair of conveyor rail (manual movement). The carrier can then be transfered to the soldering station without removing the PCB form it.