Methodology to Determine Kinematic Parameters for the Postprocessor of Multi-axis Cnc Milling Center
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چکیده
Kinematic models for post processors have been developed for different multi-axis machining centers, but the actual values which define the kinematic model can be obtained by using expensive measurement equipment. A simple procedure can be developed to acquire these values. This paper proposes a methodology to determine tool compensation vector and rotational compensation vector for the post processor of multiaxis milling center. Paper propounds general procedure for developing a post processor, the interface between CAD/CAM systems and NC (Numerically Controlled) machines, for multiaxis CNC (Computer Numerical Control) milling centers. As an example, a post processor was developed using Siemens® NXPost Builder commercial software for the five-axis CNC milling centerFryer 5X with a FANUC series 18i-MB5 controller. Identified error sources could be corrected by modifying the kinematic model of the post processor. Hence, 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.
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تاریخ انتشار 2012