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DESIGN AND DEVELOPMENT OF A GRINDING AUTOMATIC STATION FOR LARGE SURFACES

17/05/2016 11:08:40


Objective

The objective of this project is the design and manufacture of a functional prototype to implement, at industrial level, an automated robotic system for coupled large surfaces finishing.

This solution mainly consist of two main groups: an optical recognition system of large parts surfaces using 3D technology and a robotic system equipped with a finishing sanding head.

 

Enterprise consortium

For its implementation, the project was structured around a business consortium, each member contributed as per the knowledge and expertise in their respective fields:

  • Emte SLU: this company brings its leading position as a long tradition in manufacturing and engineering. So, thanks to its proven experience and resources, has focused its activities in coordinating the project and to define and build both robotic and high precision recognition systems as well as on the process.
  • Technologies for Advanced Manufacturing and Robotics, S.L.: has focused its efforts primarily on the design and development of finishing systems, namely the sanding head, and contributed on the design of the robotic system and the process.
  • Universitat Politécnica de Catalunya: UPC, as a public university, has conducted numerous research projects becoming one of the major public research organizations nationwide. In particular, the Department of Engineering Systems, Automatics and Industrial Computing has contributed to the consortium with its expertise in design and development of robotic scanning systems and created the new optical scanning and recognition system, jointly with the corresponding software.

 

Financing

The project " DESIGN AND DEVELOPMENT OF A GRINDING AUTOMATIC STATION FOR LARGE SURFACES" reference number IPT-2012-0321-020000 has been financed by the Ministerio de Economía y Competitividad and co-financed with FEDER funds as INNPACTO 2012 project

 

Ministerio

Outcome

The project has been carried out as planned, allowing having an innovative solution for the finishing process automation of large surfaces, specifically sanding operations.

 

The cell consists of the following main elements:

  • Anthropomorphic industrial robot
  • Longitudinal sliding system of the robot assembly (seventh axis)
  • Sanding head
  • Laser system for surface scanning
  • Automatic marking device of the areas to be processed
  • Suction equipment

 

The final design of the sanding head is based on optimization for efficient operation on the type of parts that have been identified as priority. Thus, the final chosen architecture has been a drum by radial action using modular quick change sand blades.

In the following scheme are mentioned the most significant parts of the sanding head. The flexibility provided on robot based architecture, allows the head exchange when necessary (by means of the coupling device with the robot) either manually or automatically, depending on the processes that wish to address with this type of cell. The current head is suitable for finishing large areas and with few variations of curvature, as is the case of train panels.

 

Layout

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