Microsoft OLE also defines a framework that allows applications to inleroperate. CORBA is used here because, al the time of writing, OLE did not allow applications to interoperate over wide-area networks and did not nse a generai-purpose definition language to define its inteifaces.
STEP-NC AP-238 is an integrated version of the STEP-NC ISO 14649 standard that enables more data sharing with the other STEP standards for CAD, CAM and CAE applications. This paper describes how STEP-NC AP-238 is being tested for deployment in the United States of America. The tests focused on showing that STEP-NC AP-238 allows multiple CAM systems to send five-axis tool path data to multiple CNC machines without any post-processing. The paper also describes the results of previous work performed on a feature-based implementation of STEP-NC, and explains why US industry has had difficulty in adopting a feature-based implementation as its initial deployment method.
STEP-NC is the result of a ten-year international effort to replace the RS274D (ISO 6983) G and M code standard with a modern associative language. The new standard connects CAD design data to CAM process data so that smart applications can understand both the design requirements for a part and the manufacturing solutions developed to make that part. STEP-NC builds on a previous ten-year effort to develop the STEP standard for CAD to CAD and CAD to CAM data exchange, and uses the modern geometric constructs in that standard to specify device independent tool paths, and CAM independent volume removal features. This paper reviews a series of demonstrations carried out to test and validate the STEP-NC standard. These demonstrations were an international collaboration between industry,
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