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Black Box for Machine Tools; Based on Open CNC Architecture Control Systems

, and . ACEEE International Journal on Control System and Instrumentation, 3 (1): 5 (February 2012)

Abstract

Most computer numerical control (CNC) systems are closed for users. Engineers typically can only program the machine, nothing more. it cannot be freely modified by the user. The introduction of open architecture philosophy propitiated the evolution of a new generation of numeric controllers. This brought the conventional CNC technology to the standard PC microcomputer. As a consequence, the characteristics of the CNC (positioning) and the micro computer (easy of programming, system configuration, network communication etc) are combined. There are also a number of commercially available OAC (Open Architecture controllers) (e.g. MDSI, Fanuc, Okuma, Siemens). There are also a number of efforts at developing OAC standards 1- 4. This paper uses Siemens 5 OAC to build the unique BlackBox for machine tool industry. This new technology in machine tool industry helps us in understanding the cause of crash or malfunctioning of machine or machine health by means of debugging the critical machine data such as Spindle Speed, Axis positions, Feed rates, Type of Tool used etc which are facilitated by this application just before the crash and same can be accessed remotely via Internet/ Ethernet. This application is successfully intergraded and tested with actual Machine.

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