This section provides an overview for rework stations as well as their applications and principles. Also, please take a look at the list of 9 rework station manufacturers and their company rankings.
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A rework station is a device that can perform soldering and desoldering in a single unit, and can also reproduce soldering operations that have been performed once.
The reworkstation is a device on a box equipped with nozzles for soldering and desoldering, and it can blow hot air from nitrogen gas as well as heat from electricity.
And because reproducibility is important in rework stations, temperatures at specific points on the board surface can be measured for reproducible process conditions.
Rework stations are available in multi-station versions that can perform not only soldering, but also desoldering and SMD rework.
Applications include R&D, process development, prototyping, and production environments.
They also enable highly reproducible soldering in applications ranging from small and medium PCBs to large BGAs.
Some rework stations have power consumption raised to as low as 140 W, resulting in stress-free component removal on multilayer boards and shorter operation times.
The new nozzles can also be used for extremely small land diameters, narrow spaces, and flat terminals, as seen in miniaturized cellular phone substrates.
The nitrogen gas passes evenly between the nozzle assembly and the tip, and the nitrogen gas envelops the entire tip, thereby blocking oxygen, preventing oxidation of the tip and solder and enhancing the preheating effect.
This oxidation prevention and preheating effect can also improve soldering defects such as bridging, icicles, and soldering failure due to insufficient heat capacity.
It also allows precise removal of residual solder in an inert atmosphere.
Molten solder can be easily removed from the board in one step with a powerful vacuum without disturbing the pad or solder resist.
After the residual solder is removed, the BGA and CSP can be reused by restoring the solder ball arrays with BGA or CSP components to the required specifications, saving time and money.
*Including some distributors, etc.
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