Spray applicator apparatuses for generating uniform spray patterns and methods incorporating the same

A pneumatic painting assembly, comprising:

• a modular stand that is configured to selectively translate;
• a pneumatic motor secured to the modular stand such that a position of the pneumatic motor is selectively adjustable on the modular stand;
• an elongated arm secured to the modular stand and extending horizontally;
• a spray applicator coupled to the elongated arm, horizontally pivotable about the elongated arm such that an angular position of the spray applicator is selectively adjustable on the modular stand, and horizontally movable along the elongated arm;
• a disc secured to the modular stand relatively above the spray applicator such that the disc is partially positioned within a spray field of the spray applicator, wherein the disc is coupled to the pneumatic motor such that the disc is configured to rotate in response to activation of the pneumatic motor, wherein the spray applicator is horizontally movable with respect to the rotatable disc;
• and
• a scraper positioned in continuous engagement with the rotatable disc;
• wherein the disc is configured to catch a portion of material received on the disc from the spray applicator to generate a spray pattern of the spray applicator, and the scraper is configured to remove material caught by the rotatable disc from the spray applicator.