Development of a postprocessor for a multi-axis CNC milling center

Most of the current college design and manufacturing curricula are primarily focused on computer aided design (CAD), while less emphasis is given to computer aided manufacturing (CAM). A great opportunity has been missed as the benefits of CAD/CAM cannot then be fully learned. Postprocessor plays a vital role in integration of CAD//CAM with computer numerically controlled (CNC) machines. Hence, postprocessor must be developed accurately.;This thesis is composed of one paper. Paper I proposes a novel methodology to determine compensation vectors for the post processor of multi-axis milling center. The new approach that has been implemented in Paper I involves derivation of the analytical equations of NC code with compensation vectors for five-axis spindle-tilting type CNC milling machine and experimental procedure to acquire the compensation vectors. This ensures that part would be machined as per the CAD drawing and accuracy within the limits of CNC machine.;Furthermore, implementation of this procedure for the development of a post processor would streamline the process of integrating CAM systems for multi-axis CNC milling centers. The integrated system is being used to support research and education projects to accurately and quickly produce parts.