Development of a STEP-NC Controller for 5-Axis Machining of NURBS Surfaces

Abstract:

In conventional machining of free form surfaces, incomplete information exchange between CNC and CAD/CAM results in many limitations need to be rectified. In the paper, a new structure of CNC based on STEP-NC is proposed. A 5-axis real-time interpolator for NURBS surfaces machining is realized. A STEP-NC controller has been developed, which is a software modular CNC system. The CNC system has been installed on a tilt-rotary type 5-axis machine tool. The milling experiment has been performed.

• Periodical: Advanced Materials Research (Volumes 317-319)
• Pages: 1940-1948
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.317-319.1940
• Online since: August 2011
• Authors: Xia Li, Hong Bin Liang
• Keywords: 5-Axis, NURBS Surfaces, STEP-NC

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