An apparatus for aligning an outlet of an injection unit with an inlet of a mold mounted between platens of a molding machine, the apparatus comprising: an injection unit positioning assembly interconnecting the injection unit to the molding machine, the injection unit positioning assembly includes a vertical beam assembly, a horizontal beam assembly and a lower assembly, the lower assembly is attached to the molding machine and is coupled to the horizontal beam assembly, which is coupled to the injection unit, wherein the lower assembly including a first linear translation assembly configured to engender a first linear translation movement of the injection unit in a linear direction along a translation plane, a second angular translation assembly configured to engender a second, arcuate movement of the injection unit in an angular orientation along the translation plane, and a brake assembly, wherein the lower assembly includes a fixed positioning member and a movable angular positioning member, characterized in that the lower assembly further includes a bearing housing, a T-nut, slider guides (180a-180d), a fastener, and a piston, the brake assembly extending between the first linear translation assembly and the second angular translation assembly, wherein the brake assembly is configured to selectively create a compressive force between the first linear translation assembly and second angular translation assembly to maintain the position of the injection unit, when activated the brake assembly fixes both the angular orientation (about the Z-axis) and the linear position (in the X-direction) of the lower assembly and the horizontal beam assembly, thereby fixing both the angular orientation and the linear direction position of the injection unit. an injection unit positioning assembly interconnecting the injection unit to the molding machine, the injection unit positioning assembly includes a vertical beam assembly, a horizontal beam assembly and a lower assembly, the lower assembly is attached to the molding machine and is coupled to the horizontal beam assembly, which is coupled to the injection unit, wherein the lower assembly including a first linear translation assembly configured to engender a first linear translation movement of the injection unit in a linear direction along a translation plane, a second angular translation assembly configured to engender a second, arcuate movement of the injection unit in an angular orientation along the translation plane, and a brake assembly, wherein the lower assembly includes a fixed positioning member and a movable angular positioning member, characterized in that the lower assembly further includes a bearing housing, a T-nut, slider guides (180a-180d), a fastener, and a piston, the brake assembly extending between the first linear translation assembly and the second angular translation assembly, wherein the brake assembly is configured to selectively create a compressive force between the first linear translation assembly and second angular translation assembly to maintain the position of the injection unit, when activated the brake assembly fixes both the angular orientation (about the Z-axis) and the linear position (in the X-direction) of the lower assembly and the horizontal beam assembly, thereby fixing both the angular orientation and the linear direction position of the injection unit.