Robotized Assembly of Modular Fixtures

Summary A prototype plant for the robotized assembly of modular fixtures for NC machining centers is described. After presenting a brief summary of the present tendencies relative to the design, preparation and management of the fixtures, the plant and its components are described in their general structure, posing particular focus on the geometric and functional features of the modular elements, designed in order to facilitate the automatic operations of manipulation and assembly. The plant is controlled by a software structured for design of fixture configuration, planning of the assembly sequence and off-line programming of the robot. Results obtained in assembly tests are also discussed, and emphasis is placed on the more critical aspects linked to the automation of this important operation. In conclusion, the possible applications of the automatic assembly of fixtures for FMS plants are proposed.