| 摘要 |
The invention features soldering parts (e.g., printed circuit boards) by indexing the parts sequentially and continuously through a series of processing stations. Flux may be applied to precise areas of the parts at a flux station, and the flux station may include a rough part locator that roughly locates a part indexed into the flux station and a precise part locator that precisely locates the part. The flux station may further include a guide rail for supporting the part and a mechanism for raising and lowering the guide rail. The flux station may include a flux sprayer for applying flux to the part, where the flux sprayer includes an air valve, a flux valve, and a controller coupled to activate and deactivate separately the air valve and the flux valve. The controller may activate the air valve before activating the flux valve and deactivate the flux valve before deactivating the air valve.
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