| 摘要 |
A method and apparatus for transporting work to be processed through a series of work processing stations by moving the work along a path extending past the stations to successive positions along the path opposite the stations, respectively, and at each position extending and retracting the work into and from the respective station for processing of the work therein. The present best mode practice and embodiment of the invention are designed to coat or plate the conductors and thru-holes of printed circuit boards with solder by mounting the circuit boards in rack-like work holders, transporting the work holders in succession from an infeed station to an outfeed station along a path extending over a series of tanks containing liquid baths of acid, rinse solution, flux, solder/oil and final wash, respectively, and extending and retracting each work holder downwardly into and upwardly from each tank to successively clean, rinse, flux, solder coat and wash the circuit boards.
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