An adjustable wave solder nozzle assembly for wave soldering station configured to perform a wave soldering operation on a printed circuit board, the adjustable wave solder nozzle assembly comprising: a first curve plate and a second curve plate that together define a nozzle, the second curve plate being movable with respect to the first curve plate between a close proximate position in which the second curve plate is proximate the first curve plate and a spaced apart position in which the second curve plate is spaced from the first curve plate to adjust a width of the nozzle, characterized by further comprising a nozzle core frame configured to fixedly support the first curve plate, and an unload support frame configured to movably support the second curve plate, further comprising an actuating support frame configured to move relative to the unload support frame, the second curve plate being secured to the actuating support frame, further comprising V-shaped wheels secured to the actuating support frame and V-grooved blocks secured to the unload support frame, the V-shaped wheels being received within the V-grooved blocks to provide relative movement of the actuating support frame with respect to the unload support frame, further comprising an actuator assembly configured to move the actuating support frame, wherein the actuator assembly includes an actuator support configured to be secured to a reservoir and an actuator secured to and supported by the actuator support, wherein the actuator assembly further includes a connecting link secured to the actuating support frame and coupled to the actuator, wherein the actuator is coupled to a controller to control the movement of the actuator. a first curve plate and a second curve plate that together define a nozzle, the second curve plate being movable with respect to the first curve plate between a close proximate position in which the second curve plate is proximate the first curve plate and a spaced apart position in which the second curve plate is spaced from the first curve plate to adjust a width of the nozzle, characterized by further comprising a nozzle core frame configured to fixedly support the first curve plate, and an unload support frame configured to movably support the second curve plate, further comprising an actuating support frame configured to move relative to the unload support frame, the second curve plate being secured to the actuating support frame, further comprising V-shaped wheels secured to the actuating support frame and V-grooved blocks secured to the unload support frame, the V-shaped wheels being received within the V-grooved blocks to provide relative movement of the actuating support frame with respect to the unload support frame, further comprising an actuator assembly configured to move the actuating support frame, wherein the actuator assembly includes an actuator support configured to be secured to a reservoir and an actuator secured to and supported by the actuator support, wherein the actuator assembly further includes a connecting link secured to the actuating support frame and coupled to the actuator, wherein the actuator is coupled to a controller to control the movement of the actuator.