Abstract: Disclosed is an automatic vertical dip coater with simultaneous UV curing. The invention includes a method of automatically dip-coating and simultaneously UV curing a conformal coating on both sides of a circuit board including the steps of positioning a circuit board, to be coated on both sides with a conformal coating, on a tool; advancing said tool towards a dip-coating tank containing a UV curable conformal coating so that both sides of said circuit board are immersed in said conformal coating to a predetermined position; advancing said tool passed opposed UV lamps so that the conformal coating on both sides of said circuit board is simultaneously cured by ultraviolet light.

Abstract: Related operations are performed on workpieces, e.g., coating and curing circuit boards, of different types in random order in assembly line fashion on a rotary table of an apparatus under programmed control. The table is rotated stepwise to move successive sections thereof from a load-unload station at which the respective workpieces are loaded and unloaded in random order, to a sensing station at which the type and orientation of the workpiece is sensed, next to an initial work station at which initial work, e.g., coating, is performed on the workpiece in dependence upon its type and orientation previously sensed at the sensing station, then to a subsequent work station at which related subsequent work is performed on the workpiece, e.g., curing of the coating, and in turn back to the load-unload station to complete a cycle. The workpiece is either changed in orientation on the table section for a repeat cycle to perform further work thereon or is replaced by another workpiece in random order.